{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:RNPXFYMG5ONHOCHPYFN43C2JV4","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":"44b4d2e163ea204f3d33d7070227c2da51cbf5d929c12b9d11f7415f1bf29daf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-04-25T02:30:12Z","title_canon_sha256":"fba945fec0ed57d1d9ec7e43753b0f63e982e0bf765af85aa63e9fae8855c51f"},"schema_version":"1.0","source":{"id":"1104.4672","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4672","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4672v1","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4672","created_at":"2026-05-18T02:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"RNPXFYMG5ONH","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RNPXFYMG5ONHOCHP","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RNPXFYMG","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:62cdda289070c7cf9dc4325ceae3e3e3c1e996ae18692a5fcf380d2e43228b5a","target":"graph","created_at":"2026-05-18T02:02:15Z","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":"The CN coma structure of the EPOXI mission target, comet 103P/Hartley 2, was observed during twenty nights from September to December 2010. These CN images probe the rotational state of the comet's nucleus and provide a ground-based observational context to complement the EPOXI observations. A dynamically excited cometary nucleus with a changing rotational rate is observed, a characteristic not seen in any comet in the past. The lack of rotational damping during the four-month observing interval places constraints on the interior structure of the nucleus.","authors_text":"Alan Gersch, Beatrice E. A. Mueller, Michael F. A'Hearn, Nalin H. Samarasinha, Tony L. Farnham","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-04-25T02:30:12Z","title":"Rotation of Comet Hartley 2 from Structures in the Coma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4672","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":"sha256:3457ecc21a86a81c8aa936f6a9f151e0cbe95838de779d3ef6caded65b18ab35","target":"record","created_at":"2026-05-18T02:02:15Z","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":"44b4d2e163ea204f3d33d7070227c2da51cbf5d929c12b9d11f7415f1bf29daf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-04-25T02:30:12Z","title_canon_sha256":"fba945fec0ed57d1d9ec7e43753b0f63e982e0bf765af85aa63e9fae8855c51f"},"schema_version":"1.0","source":{"id":"1104.4672","kind":"arxiv","version":1}},"canonical_sha256":"8b5f72e186eb9a7708efc15bcd8b49af156ce1f5211f36b6bf18a82de4e557d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b5f72e186eb9a7708efc15bcd8b49af156ce1f5211f36b6bf18a82de4e557d1","first_computed_at":"2026-05-18T02:02:15.579799Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:15.579799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6URngxW/O85fWZIvZ5/RT8oqCUWQeslhrvtHpVg2MMTND2yD/i2QPmfKa/bmsjF3jbOKzufnkZw4rUTKqFIWBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:15.580473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4672","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3457ecc21a86a81c8aa936f6a9f151e0cbe95838de779d3ef6caded65b18ab35","sha256:62cdda289070c7cf9dc4325ceae3e3e3c1e996ae18692a5fcf380d2e43228b5a"],"state_sha256":"52ee4e113e21c332ddb6cae0c69bceb5654f190fefcff330a306cbdccc206487"}