{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:II3C7D3MNXCLM3AO7ICF3CEBWB","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":"c68c2637eb33465e4b46d3623f404b5809a0542b0fc26d080ffbfc1f4d4f9a0b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-12T15:55:54Z","title_canon_sha256":"e8f741124e6fa8e6af93d9b756ee4e4989543a211d55327c85834ee2caec3534"},"schema_version":"1.0","source":{"id":"1003.2565","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.2565","created_at":"2026-05-18T02:08:34Z"},{"alias_kind":"arxiv_version","alias_value":"1003.2565v1","created_at":"2026-05-18T02:08:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.2565","created_at":"2026-05-18T02:08:34Z"},{"alias_kind":"pith_short_12","alias_value":"II3C7D3MNXCL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"II3C7D3MNXCLM3AO","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"II3C7D3M","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:c99dd160c81f2ee22f67ac7e5791bbbe01726e6d3a83ca94ce52d914f6fb1dc6","target":"graph","created_at":"2026-05-18T02:08:34Z","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":"Recent studies of outer spiral disks have given rise to an abundance of new results. We discuss the observational and theoretical advances that have spurred the interest in disk outskirts, as well as where we currently stand in terms of our understanding of outer disk structure, ages and metallicities.","authors_text":"Marija Vlaji\\'c (AIP)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-12T15:55:54Z","title":"Outer Spiral Disks as Clues to Galaxy Formation and Evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.2565","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:f42c295d328ac04bff50b106a22193e98151bdad76cb3dd2fa905076d9b1320e","target":"record","created_at":"2026-05-18T02:08:34Z","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":"c68c2637eb33465e4b46d3623f404b5809a0542b0fc26d080ffbfc1f4d4f9a0b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-12T15:55:54Z","title_canon_sha256":"e8f741124e6fa8e6af93d9b756ee4e4989543a211d55327c85834ee2caec3534"},"schema_version":"1.0","source":{"id":"1003.2565","kind":"arxiv","version":1}},"canonical_sha256":"42362f8f6c6dc4b66c0efa045d8881b04f0a2c883450ce719ad7e2b2cb4684d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42362f8f6c6dc4b66c0efa045d8881b04f0a2c883450ce719ad7e2b2cb4684d4","first_computed_at":"2026-05-18T02:08:34.457996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:34.457996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wt1peCLZFQVpGefY0gsau6Afw/ToOfwnPDRH7Bw64X22KMDhnsQkoMzlGNn51E9s0sgCwwimM6bbR3zIUG1DAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:34.458710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.2565","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f42c295d328ac04bff50b106a22193e98151bdad76cb3dd2fa905076d9b1320e","sha256:c99dd160c81f2ee22f67ac7e5791bbbe01726e6d3a83ca94ce52d914f6fb1dc6"],"state_sha256":"3733f95f0ba77ba7ba814513092e1205b46211c83869060d4045ffd0d3fb5360"}