{"artifact":{"id":"art-pc26q1-0e424a4f0e24-1","dedupe_key":"2546d2264e50ee2a1800177b9f1fa47d7c291e12fbefe1bc96cf6e4ff9c8d197","canonical_url":"https://metr.org/blog/2026-1-29-time-horizon-1-1","evidence_locator":"","artifact_type":"dated_publication_or_supporting_document","title":"METR Time Horizon 1.1","summary":"Historical reference supporting METR publishes Time Horizon 1.1 measurement update","creator_entities":["METR"],"released_at":"2026-01-29T00:00:00.000Z","content_hash":null,"metadata":{"rts_finding_id":"rts_finding_873d480c491542fbb0b30e424a4f0e24","retrospective_source_postdates_event":false},"created_at":"2026-10-14T15:28:47.849Z","updated_at":"2026-10-14T15:28:47.849Z"},"sources":[{"id":"src-pc26q1-0e424a4f0e24-1","dedupe_key":"62cde4455e5de367d25fd39bb8cec7898b295bc22268094030e0281e1aac39bd","name":"METR Time Horizon 1.1","publisher":"METR","url":"https://metr.org/blog/2026-1-29-time-horizon-1-1","evidence_locator":"","source_type":"primary_or_retrospective_evidence","primary_or_secondary":"","retrieved_at":"2026-10-14T14:30:00.000Z","published_at":"2026-01-29T00:00:00.000Z","author":null,"metadata":{"rts_finding_id":"rts_finding_873d480c491542fbb0b30e424a4f0e24","source_postdates_event":false,"version_pinned":false},"created_at":"2026-10-14T15:28:47.837Z","updated_at":"2026-10-14T15:28:47.837Z"}]}