{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:H4DFLQRLVPHJR3F6ALIDBR5SMB","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e066d42441e6d8ee6e51e6895c758806672526bceb47b637774dec7dd755a1e1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-12-02T17:17:29Z","title_canon_sha256":"ef0af3faad1e6164061cec2a98fd5f7f30cdd1088865d01a785ae00ec10293c2"},"schema_version":"1.0","source":{"id":"astro-ph/9612020","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9612020","created_at":"2026-05-18T01:07:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9612020v1","created_at":"2026-05-18T01:07:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9612020","created_at":"2026-05-18T01:07:40Z"},{"alias_kind":"pith_short_12","alias_value":"H4DFLQRLVPHJ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"H4DFLQRLVPHJR3F6","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"H4DFLQRL","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:17eb93339b12bd1f828bb5cbcb7b0baa4d87a5fe9a3be1918d54c87eec085987","target":"graph","created_at":"2026-05-18T01:07:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We review the status of the measurements of the deuterium abundance from the local interstellar medium to the solar system and high redshifts absorbers toward quasars. We present preliminary results toward a white dwarf and a QSO. We conclude that the deuterium evolution from the Big-Bang to now is still not properly understood.","authors_text":"(2) Univ. Chicago), A. Vidal-Madjar (1), M. Lemoine (2) ((1) IAP, R. Ferlet (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1996-12-02T17:17:29Z","title":"Deuterium abundance and cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9612020","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ee971ee9e7ac66883ed674adaac0e716313f7e9c4f74339e92ecd5189ee78668","target":"record","created_at":"2026-05-18T01:07:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e066d42441e6d8ee6e51e6895c758806672526bceb47b637774dec7dd755a1e1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-12-02T17:17:29Z","title_canon_sha256":"ef0af3faad1e6164061cec2a98fd5f7f30cdd1088865d01a785ae00ec10293c2"},"schema_version":"1.0","source":{"id":"astro-ph/9612020","kind":"arxiv","version":1}},"canonical_sha256":"3f0655c22babce98ecbe02d030c7b260777422776a180aaf8bf32e39f3f0c379","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f0655c22babce98ecbe02d030c7b260777422776a180aaf8bf32e39f3f0c379","first_computed_at":"2026-05-18T01:07:40.475481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:40.475481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QomMdN+wqLa2rD/KB6Z+kV6voJYtutUwkY7510WAyKchPXb8Q0HD0xtshanlz7b7rKTQjinUEh9m0UK/nV2pCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:40.476043Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9612020","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee971ee9e7ac66883ed674adaac0e716313f7e9c4f74339e92ecd5189ee78668","sha256:17eb93339b12bd1f828bb5cbcb7b0baa4d87a5fe9a3be1918d54c87eec085987"],"state_sha256":"91468111316a8e91db5ec94db23959f72c11a1c4f0e74b1201be1a87666f15e3"}