{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:XI2B7FGFA6PLS4ER5RAH7SARMN","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":"3f04bbb4d5770701bc59d3784c2d266b2d39f9204d28348f68be7b8794fe9a97","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-29T02:01:49Z","title_canon_sha256":"ae94c0a85002fd722c98df529730d385dcc4e4fbb51b37943bd13613d1d9ae07"},"schema_version":"1.0","source":{"id":"astro-ph/0203514","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0203514","created_at":"2026-07-04T15:20:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0203514v1","created_at":"2026-07-04T15:20:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0203514","created_at":"2026-07-04T15:20:08Z"},{"alias_kind":"pith_short_12","alias_value":"XI2B7FGFA6PL","created_at":"2026-07-04T15:20:08Z"},{"alias_kind":"pith_short_16","alias_value":"XI2B7FGFA6PLS4ER","created_at":"2026-07-04T15:20:08Z"},{"alias_kind":"pith_short_8","alias_value":"XI2B7FGF","created_at":"2026-07-04T15:20:08Z"}],"graph_snapshots":[{"event_id":"sha256:63abed1413ab4465e8acffbb0400d8e0c264c2e49c6809589e9efa18cee0abf4","target":"graph","created_at":"2026-07-04T15:20:08Z","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/0203514/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present results from an imaging survey of an unbiased sample of thirty-eight early-type (S0--Sa), low-inclination, optically barred galaxies in the field. Our goal was to find and characterize central stellar and gaseous structures: secondary bars, inner disks, and nuclear rings. Bars inside bars are surprisingly common: at least one quarter of the sample galaxies (possibly as many as 40%) are double-barred, with no preference for Hubble type or the strength of the primary bar. A typical secondary bar is ~12% of the size of its primary bar and 240--750 pc in radius. We see no significant ef","authors_text":"Linda S. Sparke (U. Wisconsin-Madison), Peter Erwin (Instituto de Astrofisica de Canarias)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-03-29T02:01:49Z","title":"Double Bars, Inner Disks, and Nuclear Rings in Early-Type Disk Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0203514","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":"sha256:74f67481a1cca68ea0f5ae7aebce90a75241f89b578aad6711b8c6338428b49d","target":"record","created_at":"2026-07-04T15:20:08Z","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":"3f04bbb4d5770701bc59d3784c2d266b2d39f9204d28348f68be7b8794fe9a97","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-03-29T02:01:49Z","title_canon_sha256":"ae94c0a85002fd722c98df529730d385dcc4e4fbb51b37943bd13613d1d9ae07"},"schema_version":"1.0","source":{"id":"astro-ph/0203514","kind":"arxiv","version":1}},"canonical_sha256":"ba341f94c5079eb97091ec407fc811636914bb69a3e6a266c1b27d4d755c83a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba341f94c5079eb97091ec407fc811636914bb69a3e6a266c1b27d4d755c83a3","first_computed_at":"2026-07-04T15:20:08.563688Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:20:08.563688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wx80U1gdHSNR9nxRp2frX0lkTMHL8xrg4ZX6TT3eWX5JYlYckuK/7S6HsOj/RZrkWVfX/62D/SJqqRgg9OmFDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:20:08.564130Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0203514","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74f67481a1cca68ea0f5ae7aebce90a75241f89b578aad6711b8c6338428b49d","sha256:63abed1413ab4465e8acffbb0400d8e0c264c2e49c6809589e9efa18cee0abf4"],"state_sha256":"c005171489aa38233e8b09a7b0b3a5f8d0793ed6fac57951ffda31ba4e8f3b0c"}