{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7OGCOPNZTBJNMQUTGDTAKLOKDK","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":"227a49523b7d8c74678ea80dfbdc51dcffb594d97a3ed386e98d45ecc8114674","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-18T17:24:39Z","title_canon_sha256":"242dffd03392c2bbeac82a5892f086d8e41dad699dd5666df58d5a3e8313fdca"},"schema_version":"1.0","source":{"id":"1306.4272","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.4272","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"1306.4272v3","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.4272","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"7OGCOPNZTBJN","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7OGCOPNZTBJNMQUT","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7OGCOPNZ","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:9c01a2fb83be17432694c0cb906689f9800deaa823f4963f4089916df312fc95","target":"graph","created_at":"2026-05-18T03:19:43Z","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":"We present the first detailed spatio-kinematical analysis and modelling of the planetary nebula Abell 65, which is known to host a post-common envelope, binary, central star system. As such, this object is of great interest in studying the link between nebular morphology and central star binarity.\n  [OIII]5007A and H-alpha+[NII]6584A longslit spectra and imagery of Abell 65 were obtained with the Manchester Echelle Spectrometer on the 2.1-m telescope at the San Pedro Martir Observatory (MES-SPM). Further [OIII]5007A longslit spectra were obtained with the Ultraviolet and Visual Echelle Spectro","authors_text":"Barnabas Prouse, David Jones, Don Pollacco, Jos\\'e Alberto L\\'opez, Laurence Sabin, Leo Huckvale, Myfanwy Lloyd, Neil Vaytet, Tim J. O'Brien","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-18T17:24:39Z","title":"Spatio-kinematic modelling of Abell 65, a double-shelled planetary nebula with a binary central star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.4272","kind":"arxiv","version":3},"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:f0f11eb7d32ebc5ebcc46b3d4f0a445ef9480bb470c2a40b8c131762f8049192","target":"record","created_at":"2026-05-18T03:19:43Z","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":"227a49523b7d8c74678ea80dfbdc51dcffb594d97a3ed386e98d45ecc8114674","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-18T17:24:39Z","title_canon_sha256":"242dffd03392c2bbeac82a5892f086d8e41dad699dd5666df58d5a3e8313fdca"},"schema_version":"1.0","source":{"id":"1306.4272","kind":"arxiv","version":3}},"canonical_sha256":"fb8c273db99852d6429330e6052dca1abf0c45c7bd853df8500345950a572790","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb8c273db99852d6429330e6052dca1abf0c45c7bd853df8500345950a572790","first_computed_at":"2026-05-18T03:19:43.571999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:43.571999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rCjZwFxLJna9a1KVvFP/vnmjroGUEni6W9+oJTaq1vs8DUuqcdqrAAb22m2tIlqB4GjnJlqPHJ3RLxzhp2qGDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:43.572575Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.4272","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0f11eb7d32ebc5ebcc46b3d4f0a445ef9480bb470c2a40b8c131762f8049192","sha256:9c01a2fb83be17432694c0cb906689f9800deaa823f4963f4089916df312fc95"],"state_sha256":"8bc6cceee886ec3440ae0b9c43ba422c0c9557881704b2db09fc40607eb55bf2"}