{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:B43YN2NS2V4QRWZA2VOEAXO37U","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":"b746c6b0c94d259b016eb9b6081865cd79f64d0b3aaf7dc540615753f0105ef1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-01-18T21:11:04Z","title_canon_sha256":"7bbafd76f672fda0768ba8febba90f285085f831f2525027bd50f6eee84a153d"},"schema_version":"1.0","source":{"id":"astro-ph/9701131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9701131","created_at":"2026-07-04T15:27:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9701131v1","created_at":"2026-07-04T15:27:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9701131","created_at":"2026-07-04T15:27:09Z"},{"alias_kind":"pith_short_12","alias_value":"B43YN2NS2V4Q","created_at":"2026-07-04T15:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"B43YN2NS2V4QRWZA","created_at":"2026-07-04T15:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"B43YN2NS","created_at":"2026-07-04T15:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:3c59c932b071465d489936632ad3970274c3c31071a2ca65a6115366e974363f","target":"graph","created_at":"2026-07-04T15:27:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/9701131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper outlines astrophysical issues related to the long term fate of the universe. We consider the evolution of planets, stars, stellar populations, galaxies, and the universe itself over time scales which greatly exceed the current age of the universe. (shortened version of abstract).","authors_text":"Fred C. Adams, Gregory Laughlin (U. Michigan)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-01-18T21:11:04Z","title":"A Dying Universe: The Long Term Fate and Evolution of Astrophysical Objects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9701131","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":"sha256:234459a0bf62995359a8a24abd6fab4fb2a8bc0a9ec1d0c27a629e23a98c8d43","target":"record","created_at":"2026-07-04T15:27:09Z","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":"b746c6b0c94d259b016eb9b6081865cd79f64d0b3aaf7dc540615753f0105ef1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-01-18T21:11:04Z","title_canon_sha256":"7bbafd76f672fda0768ba8febba90f285085f831f2525027bd50f6eee84a153d"},"schema_version":"1.0","source":{"id":"astro-ph/9701131","kind":"arxiv","version":1}},"canonical_sha256":"0f3786e9b2d57908db20d55c405ddbfd10265af260940c64326ba05e9bca8367","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f3786e9b2d57908db20d55c405ddbfd10265af260940c64326ba05e9bca8367","first_computed_at":"2026-07-04T15:27:09.662292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:27:09.662292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KMNq8c67Us2cj5qxKViWmRgyhf9pNaxaj+zwkCrL7Gr5X2tGwYPtvyWXhcUFf2yqjLwZkh1yaZ09G59bDUSZDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:27:09.662714Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9701131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:234459a0bf62995359a8a24abd6fab4fb2a8bc0a9ec1d0c27a629e23a98c8d43","sha256:3c59c932b071465d489936632ad3970274c3c31071a2ca65a6115366e974363f"],"state_sha256":"60bf5ebddd742ae6a1b58e4c644adbe8855589f7f5411b3cf88361a251925ed6"}