{ "task_id": "0617-registry-quality-widen", "generated_at": "2026-09-15T20:14:31Z", "source_verification_correction_2026-09-16": { "added_by_task": "0624-c2-provenance-harden", "added_at": "2026-09-16T00:35:00Z", "note": "This block is an addendum written after the fact. The prepinned_claims block below is preserved verbatim as recorded on 2026-09-15 (pre-observation integrity). Task 0624 source-verified C2 by fetching 43 rows at each agent's own live-card URL and found 4 of the 18 resolvable live cards carry a non-empty capabilities field. This falsifies the simple reading of C2 (that the 100 percent null figure reflects what agents publish) while leaving intact the narrower measured claim (that the figure is exact for the 8004scan snapshot on the 2026-06-06 bulk parse).", "verdict": "ARTIFACT", "n_sampled": 43, "n_resolvable": 18, "n_unresolvable": 25, "unresolvable_reasons": {"not_json": 20, "http_404": 3, "http_429": 1, "network_URLError": 1}, "falsifiers": [ {"chain": "ethereum", "chain_id": 1, "token_id": 6817, "name": "Otto AI - Market Alpha Agent", "metadata_uri": "https://useotto.xyz/.well-known/a2a/market-alpha-agent.json", "field": "capabilities"}, {"chain": "ethereum", "chain_id": 1, "token_id": 33793, "name": "Normie #2613 - Sadel", "metadata_uri": "https://api.normies.art/agents/agent-card/2613", "field": "capabilities"}, {"chain": "ethereum", "chain_id": 1, "token_id": 33794, "name": "Normie #1444 - Hadik", "metadata_uri": "https://api.normies.art/agents/agent-card/1444", "field": "capabilities"}, {"chain": "optimism", "chain_id": 10, "token_id": 0, "name": "Arca", "metadata_uri": "https://arcabot.ai/.well-known/agent-card.json", "field": "capabilities"} ], "how_to_read_the_falsifier": "4 of 18 is a falsifier under C2's own pre-registered rule (>=1 non-null value falsifies '100 percent null'). It is NOT a population rate: it does not measure how often agents publish capabilities. Sizing that rate requires a source-verification pass across a larger fraction of dataset.csv (all ~320 rows with a resolvable services_first).", "prior_task_establishing_stale_parse": ".cc-agent/.0623-reindex-status.json", "full_audit_trail": "docs/research/0624-c2-provenance/README.md", "provenance_status_file": ".cc-agent/.0624-c2-provenance-status.json" }, "source": { "host": "https://8004scan.io", "list_urls_used": [ "https://8004scan.io/api/v1/agents?chain_id=1&limit=3&sort_by=created_at&sort_order=asc", "https://8004scan.io/api/v1/agents?chain_id=1&limit=3&sort_by=created_at&sort_order=desc", "https://8004scan.io/api/v1/agents?chain_id=1&limit=25&sort_by=created_at&sort_order=asc&cursor=eyJ2IjoxLCJzb3J0X2J5IjoiY3JlYXRlZF9hdCIsInNvcnRfb3JkZXIiOiJhc2MiLCJzY29wZSI6IjFhNWU3YmEwMmZjMGI5YTQwYTA5NjQyYiIsInZhbHVlIjoiMjAyNi0wMS0yOVQxNToyNjo0My40NzU3NTgrMDA6MDAiLCJpZCI6IjAwMDAwMDAwLTAwMDAtMDAwMC0wMDAwLTAwMDAwMDAwMDAwMCIsInRvdGFsIjozMDgwOH0%3D", 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"2026-02-09T20:11:06.207588+00:00", "max": "2026-02-10T14:11:04.900086+00:00" }, "optimism@0.25": { "n": 25, "min": "2026-03-30T17:08:19+00:00", "max": "2026-04-24T13:45:41+00:00" }, "optimism@0.50": { "n": 25, "min": "2026-05-20T13:37:01+00:00", "max": "2026-08-20T18:30:43+00:00" }, "optimism@0.75": { "n": 2, "min": "2026-08-23T14:42:11+00:00", "max": "2026-08-23T14:42:45+00:00" }, "arbitrum@0.00": { "n": 25, "min": "2026-02-06T05:11:10.273431+00:00", "max": "2026-02-09T21:44:14.624578+00:00" }, "arbitrum@0.25": { "n": 25, "min": "2026-04-02T16:28:41+00:00", "max": "2026-04-10T14:59:21+00:00" }, "arbitrum@0.50": { "n": 25, "min": "2026-05-27T23:35:46+00:00", "max": "2026-06-13T09:12:04+00:00" }, "arbitrum@0.75": { "n": 25, "min": "2026-07-22T05:15:21+00:00", "max": "2026-08-04T20:10:08+00:00" }, "arbitrum@1.00": { "n": 25, "min": "2026-09-08T07:55:26+00:00", "max": "2026-09-15T06:21:43+00:00" } }, "delta_vs_0616": { "n_prev": 176, "n_now": 577, "endpoint_less_pct_prev": 52.84, "endpoint_less_pct_now": 43.85, "callable_pct_prev": 47.16, "callable_pct_now": 55.98, "per_field_null_pct_prev": { "services": 52.84, "capabilities": 100.0, "agent_url": 100.0, "a2a_endpoint": 81.25, "mcp_server": 80.68 }, "per_field_null_pct_now": { "services": 43.85, "capabilities": 100.0, "agent_url": 100.0, "a2a_endpoint": 89.6, "mcp_server": 75.04 }, "median_total_score_prev": 0.0, "median_total_score_now": 12.02, "p90_total_score_prev": 12.06, "p90_total_score_now": 18.12, "total_score_gt0_pct_prev": 36.36, "total_score_gt0_pct_now": 56.67, "x402_supported_true_prev": 47, "x402_supported_true_now": 141, "is_verified_true_prev": 0, "is_verified_true_now": 0, "is_endpoint_verified_true_prev": 0, "is_endpoint_verified_true_now": 1 }, "prepinned_claims": { "C1": { "text": "endpoint_less_pct >= 60 AND median_total_score <= 15", "held": false, "reason": "pct_endpoint_less=43.85% (bar >=60), median_total_score=12.02 (bar <=15)" }, "C2": { "text": "capabilities AND agent_url null on 100% of the sample", "held": true, "reason": "capabilities_null_pct=100.0% AND agent_url_null_pct=100.0% (bar 100% both)", "capabilities_nonnull_records": [], "agent_url_nonnull_records": [] }, "C3": { "text": "is_endpoint_verified true on 0 records", "held": false, "reason": "is_endpoint_verified_true=1 (bar =0)", "verified_records": [ { "chain_id": 42161, "token_id": "10", "name": "Arca" } ] }, "undetermined_if": "N < 500" }, "grade": "CONFIRMED", "grade_reason": "C1=FAILED [pct_endpoint_less=43.85% (bar >=60), median_total_score=12.02 (bar <=15)] | C2=HELD [capabilities_null_pct=100.0% AND agent_url_null_pct=100.0% (bar 100% both)] | C3=FAILED [is_endpoint_verified_true=1 (bar =0)]", "endpoint_fields_measured": [ "services", "capabilities", "agent_url", "a2a_endpoint", "mcp_server" ], "definitions": { "endpoint_less": "ALL 5 of services/capabilities/agent_url/a2a_endpoint/mcp_server are null/empty", "callable": "at least one of those five fields carries a URL-shaped value" } }