{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:J32XS7ZL57TJC7MGSXG77RIZW4","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":"dd4aa2a82865d2f50600e805c86228262c78874d9a2785c814ce4e4535834a86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-10T20:00:02Z","title_canon_sha256":"e53892d6bf8c23c8bf69b5b9f0fbc3a595ab244f180227b5f2ab3bacb28d8322"},"schema_version":"1.0","source":{"id":"1310.2941","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.2941","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"arxiv_version","alias_value":"1310.2941v2","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.2941","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"pith_short_12","alias_value":"J32XS7ZL57TJ","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"J32XS7ZL57TJC7MG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"J32XS7ZL","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:62c1c6164b3ff3dacadbc0c6289bcc3526bcef2f5fc912fd4f06d7e5754e53ce","target":"graph","created_at":"2026-05-18T01:47:06Z","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":"In this paper, we use the Galaxy Zoo 2 dataset to study the behavior of bars in disk galaxies as a function of specific star formation rate (SSFR), and bulge prominence. Our sample consists of 13,295 disk galaxies, with an overall (strong) bar fraction of $23.6\\pm 0.4\\%$, of which 1,154 barred galaxies also have bar length measurements. These samples are the largest ever used to study the role of bars in galaxy evolution. We find that the likelihood of a galaxy hosting a bar is anti-correlated with SSFR, regardless of stellar mass or bulge prominence. We find that the trends of bar likelihood ","authors_text":"A. Bosma, Chris Lintott, David C. Koo, E. Athanassoula, Edmond Cheung, Eric F. Bell, Karen L. Masters, Kevin Schawinski, Kyle W. Willett, Ramin A. Skibba, Robert C. Nichol, S. M. Faber, Thomas Melvin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-10T20:00:02Z","title":"Galaxy Zoo: Observing Secular Evolution Through Bars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.2941","kind":"arxiv","version":2},"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":"sha256:0764e0011900cf3e3352755d9b4c0dce8d149fa3a866dc307575a5bdd424110d","target":"record","created_at":"2026-05-18T01:47:06Z","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":"dd4aa2a82865d2f50600e805c86228262c78874d9a2785c814ce4e4535834a86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-10T20:00:02Z","title_canon_sha256":"e53892d6bf8c23c8bf69b5b9f0fbc3a595ab244f180227b5f2ab3bacb28d8322"},"schema_version":"1.0","source":{"id":"1310.2941","kind":"arxiv","version":2}},"canonical_sha256":"4ef5797f2befe6917d8695cdffc519b71e96af1e7987840a55e1ccb42b87844d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ef5797f2befe6917d8695cdffc519b71e96af1e7987840a55e1ccb42b87844d","first_computed_at":"2026-05-18T01:47:06.797831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:06.797831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xn+7hCbC6K9ZDQaNxGt8SEZXuNOlZYaM6Q0HI6agWjAN480PVmI6cLZiB3tdGNut/tSzgYH8b3oMN7POkQkoAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:06.798289Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.2941","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0764e0011900cf3e3352755d9b4c0dce8d149fa3a866dc307575a5bdd424110d","sha256:62c1c6164b3ff3dacadbc0c6289bcc3526bcef2f5fc912fd4f06d7e5754e53ce"],"state_sha256":"c06b4414cd90006ca87369bfc45589e0ab3e32929ce3dacd315a62942dc1ad51"}