{"event":{"id":"evt-hist-phase39-1455","dedupe_key":"source_publication:2026-10-16:anthropic-publishes-study-of-nist-ecdsa-curve-seed-origins","event_type":"source_publication","title":"Anthropic publishes study of NIST ECDSA curve seed origins","summary":"Oct16 original Anthropic report describes recovering lrand48 seeded constants; no ECDSA compromise is claimed.","occurred_at":"2026-10-16T00:00:00.000Z","published_at":"2026-10-16T00:00:00.000Z","observed_at":"2026-10-18T14:15:08.000Z","reconstructed_at":"2026-10-18T14:15:08.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.8,"metadata":{"date_precision":"day","evidence_only":1,"global_novelty_unproven":1,"original_index_position":1455,"published_at_is_day_precision_placeholder":1,"source_claims_not_independent_outcomes":1},"created_at":"2026-10-19T07:03:10.831Z","updated_at":"2026-10-19T07:03:10.831Z"},"artifacts":[{"id":"art-hist-phase39-1455","dedupe_key":"79a1c4ce7ab7a9d10a8ce65a7f78ddbea470479ac7a49cca50781bd7d3f2d7ca","canonical_url":"https://www.anthropic.com/research/ecdsa-curve-origins","evidence_locator":"","artifact_type":"original_publication","title":"Anthropic publishes study of NIST ECDSA curve seed origins","summary":"","creator_entities":[],"released_at":"2026-10-16T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T07:03:10.830Z","updated_at":"2026-10-19T07:03:10.830Z","relation":"documented_by"}],"signals":[]}