{"summary":{"version":"summary-v1","lines":[{"dimension":"build","label":"Build","tag":"DERIVED","text":"Quiet: 0 meaningful events in 30 days; latest ship on 2026-09-06.","evidence":[{"id":"ship:a0f006a8-b366-4ff2-9b13-ffe3bb58a065","label":"GitHub","url":"https://github.com/arcafi/arca","receiptUrl":"https://heyresearch.xyz/api/evidence/ship%3Aa0f006a8-b366-4ff2-9b13-ffe3bb58a065"}],"basis":"evidence_record","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/timeline","observedAt":"2026-09-06T08:42:32.000Z","freshness":"fresh","answer":"Quiet for 45 days","significance":{"text":"The first week of code changes HEY has recorded for this project.","about":"ship:a0f006a8-b366-4ff2-9b13-ffe3bb58a065","receiptUrl":"https://heyresearch.xyz/api/evidence/ship%3Aa0f006a8-b366-4ff2-9b13-ffe3bb58a065"}},{"dimension":"usage","label":"Product usage","tag":"FACT","text":"No contract is recorded for this project, so there is no on-chain usage to count.","evidence":[],"basis":"coverage_state","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/usage","freshness":"not_applicable","reason":"no_contract"},{"dimension":"market","label":"Market","tag":"FACT","text":"No token recorded: this is a project, not a token.","evidence":[],"basis":"registry_record","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/market","freshness":"not_applicable","reason":"no_token"},{"dimension":"latestChange","label":"Latest change","tag":"DERIVED","text":"23 days ago: Code changes, week of 2026-09-28 – 2026-10-04. Not counted as building.","evidence":[{"id":"ship:5fa92ef6-a394-4d61-b048-ec31e2cd9ccd","label":"GitHub","url":"https://github.com/arcafi/arca","receiptUrl":"https://heyresearch.xyz/api/evidence/ship%3A5fa92ef6-a394-4d61-b048-ec31e2cd9ccd"}],"basis":"evidence_record","detailUrl":"https://heyresearch.xyz/api/changes?project=arcafi-arca","observedAt":"2026-09-28T02:29:39.000Z","freshness":"fresh","change":{"version":"change-explain-v1","eventId":"ship:5fa92ef6-a394-4d61-b048-ec31e2cd9ccd","type":"build.code_activity","evidenceId":"ship:5fa92ef6-a394-4d61-b048-ec31e2cd9ccd","what":"Code changes, week of 2026-09-28 – 2026-10-04","headline":"Maintenance only, read from the team’s GitHub · not a new capability","capability":{"named":null,"basis":"code_week","text":"Maintenance only, not a new capability: 0 of 0 commits HEY read were documentation, dependency or maintenance changes, and none changed code."},"stage":{"observed":"maintenance","basis":"ship_type","notObserved":["release","deployment"],"text":"Maintenance is not a new capability, and code is not a deployment."},"reportedBy":{"kind":"team_source","text":"Read from the team’s GitHub."},"corroboration":{"state":"not_corroborated","by":[],"text":"Reported in the team’s own source. 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It is not a judgement of quality, of the team, or of what the token will do.","explainUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/explain?fact=build.change&event=ship%3A5fa92ef6-a394-4d61-b048-ec31e2cd9ccd"}},{"dimension":"unknown","label":"Not yet known","tag":"UNKNOWN","text":"3 gaps: Official docs (no source), API description (no source), Official site changes (no source). No official website on record.","evidence":[],"basis":"coverage_state","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/coverage","freshness":"unknown","reason":"no_official_site"}],"computedAt":"2026-10-21T22:16:50.257Z"},"identity":{"slug":"arcafi-arca","name":"arca","projectKind":"OTHER","researchLevel":"VERIFIED_BUILDER","catalogStatus":"VERIFIED_BUILDER","primaryNarrative":{"slug":"ai-agents","name":"AI 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2026-09-27","evidence":[{"id":"ship:7bc23d22-8a72-4fc7-ab56-3ccb8f0a2adb","label":"GitHub","url":"https://github.com/arcafi/arca"}],"source":"github"},{"id":"ship:90019b4a-c7fe-41b5-af9c-3d4162deb5ee","revision":6,"op":"upsert","type":"build.code_activity","domain":"build","occurredAt":"2026-09-20T01:04:39.000Z","precision":"WEEK","detectedAt":"2026-09-17T20:00:05.610Z","recordedAt":"2026-10-16T10:40:03.874Z","summary":"Code changes, week of 2026-09-14 – 2026-09-20","evidence":[{"id":"ship:90019b4a-c7fe-41b5-af9c-3d4162deb5ee","label":"GitHub","url":"https://github.com/arcafi/arca"}],"source":"github"},{"id":"ship:09c75b69-e803-40c7-9bc4-d1a76f498bd7","revision":7,"op":"upsert","type":"build.code_activity","domain":"build","occurredAt":"2026-09-13T03:39:36.000Z","precision":"WEEK","detectedAt":"2026-09-13T05:10:22.512Z","recordedAt":"2026-10-16T10:40:03.874Z","summary":"Code changes, week of 2026-09-07 – 2026-09-13","evidence":[{"id":"ship:09c75b69-e803-40c7-9bc4-d1a76f498bd7","label":"GitHub","url":"https://github.com/arcafi/arca"}],"source":"github"}],"url":"https://heyresearch.xyz/api/changes?project=arcafi-arca"},"freshness":[{"source":"code","label":"Code","state":"fresh","observedAt":"2026-10-21T09:10:00.925Z","staleAfterHours":72},{"source":"score","label":"Scores","state":"fresh","observedAt":"2026-10-21T19:31:17.395Z","staleAfterHours":24}],"coverage":{"identity":{"state":"MEASURED","since":"2026-09-05T00:39:29.539Z","asOf":"2026-09-05T00:38:38.568Z","reason":"research_level_verified_builder","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca"},"builderEvidence":{"state":"MEASURED","asOf":"2026-10-21T09:10:00.925Z","reason":"activity_quiet"},"repositories":{"state":"MEASURED","reason":"own_repositories","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca"},"releases":{"state":"MEASURED","reason":"no_release_recorded","detailUrl":"https://heyresearch.xyz/api/ships?project=arcafi-arca"},"marketCurrent":{"state":"NOT_APPLICABLE","reason":"no_token"},"marketHistory":{"state":"NOT_APPLICABLE","reason":"no_token"},"contractDeployment":{"state":"NOT_APPLICABLE","reason":"no_token"},"contractActivity":{"state":"NOT_APPLICABLE","reason":"no_token"},"contractSource":{"state":"NOT_APPLICABLE","reason":"no_token"},"contractInterface":{"state":"NOT_APPLICABLE","reason":"no_token"},"distribution":{"state":"NOT_APPLICABLE","reason":"no_token"},"locks":{"state":"NOT_APPLICABLE","reason":"no_token"},"marketIntegrity":{"state":"NOT_APPLICABLE","reason":"no_token"},"protocolEconomics":{"state":"NOT_APPLICABLE","reason":"no_protocol_listing"},"timeline":{"state":"MEASURED","since":"2026-09-05T00:39:29.539Z","reason":"complete_default_window","detailUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/timeline"},"officialDocs":{"state":"NO_SOURCE","reason":"no_official_site"},"apiDocs":{"state":"NO_SOURCE","reason":"no_official_site"},"sourceChanges":{"state":"NO_SOURCE","reason":"no_official_site"},"gitHost":{"state":"MEASURED","asOf":"2026-10-20T06:06:04.157Z","reason":"repository_metadata_read"},"package":{"state":"MEASURED","asOf":"2026-10-20T06:06:04.157Z","reason":"none_found_in_package_index"},"securityContext":{"state":"NOT_APPLICABLE","reason":"no_accepted_package"}},"evidenceSummary":{"sources":{"total":1,"own":1,"verified":0,"contextOnly":0},"meaningfulEvents30d":0,"explainUrl":"https://heyresearch.xyz/api/projects/arcafi-arca/explain"},"links":{"page":"https://heyresearch.xyz/project/arcafi-arca","detail":"https://heyresearch.xyz/api/projects/arcafi-arca","timeline":"https://heyresearch.xyz/api/projects/arcafi-arca/timeline","intelligence":"https://heyresearch.xyz/api/projects/arcafi-arca/intelligence","changes":"https://heyresearch.xyz/api/changes?project=arcafi-arca","coverage":"https://heyresearch.xyz/api/projects/arcafi-arca/coverage","explain":"https://heyresearch.xyz/api/projects/arcafi-arca/explain","contracts":"https://heyresearch.xyz/api/projects/arcafi-arca/contracts","usage":"https://heyresearch.xyz/api/projects/arcafi-arca/usage","relationships":"https://heyresearch.xyz/api/projects/arcafi-arca/relationships"},"asOf":"2026-10-21T22:16:50.257Z","scoringVersion":"hbm-v32","disclaimer":"Public, 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