{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4Q7FQEM62IVQBF6OEP4ZL6BING","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":"a8ef40497849fae9141ec9f3c9bcc5faf72dbdcc5ec50feed2f31d52814d732b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-20T13:14:50Z","title_canon_sha256":"43b1475cbe5f35ecbaed145d5a9bff093f92daa91c0097257efe0d998c3bcc83"},"schema_version":"1.0","source":{"id":"1511.06584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.06584","created_at":"2026-05-18T01:21:51Z"},{"alias_kind":"arxiv_version","alias_value":"1511.06584v1","created_at":"2026-05-18T01:21:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06584","created_at":"2026-05-18T01:21:51Z"},{"alias_kind":"pith_short_12","alias_value":"4Q7FQEM62IVQ","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4Q7FQEM62IVQBF6O","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4Q7FQEM6","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:3b7a52923192fad6c8b26e5c62155dee7f7ddb83502f47436fec813b243808c2","target":"graph","created_at":"2026-05-18T01:21:51Z","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":"From two observing runs during the 2014 summer at Calar Alto Observatory in Almer\\'ia (Spain) and at Sierra Nevada Observatory in Granada (Spain), we were able to derive CCD photometry of the Trans-Neptunian Object 2008 OG$_{19}$. We analyzed the time series and obtained a double-peaked light curve with a peak to valley amplitude of (0.437 $\\pm$ 0.011) mag and a rotational period of (8.727$\\pm$ 0.003) h. This implies that this object is very elongated, closely resembling Varuna's case. The photometry also allowed us to obtain an absolute magnitude in R-band of (4.39 $\\pm$ 0.07) mag. From this ","authors_text":"Estela Fern\\'andez-Valenzuela, Jose Luis Ortiz, Nicol\\'as Morales, Pablo Santos-Sanz, Ren\\'e Duffard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-20T13:14:50Z","title":"2008 OG$_{19}$: A highly elongated Trans-Neptunian Object"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06584","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":"sha256:7e99bd7ed2d4ed3dfa198d04599a2540f9a1bad33aa1af865ee3b13dd319ab1e","target":"record","created_at":"2026-05-18T01:21:51Z","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":"a8ef40497849fae9141ec9f3c9bcc5faf72dbdcc5ec50feed2f31d52814d732b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-20T13:14:50Z","title_canon_sha256":"43b1475cbe5f35ecbaed145d5a9bff093f92daa91c0097257efe0d998c3bcc83"},"schema_version":"1.0","source":{"id":"1511.06584","kind":"arxiv","version":1}},"canonical_sha256":"e43e58119ed22b0097ce23f995f82869a0070396b55c094c2490c0507af7a07b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e43e58119ed22b0097ce23f995f82869a0070396b55c094c2490c0507af7a07b","first_computed_at":"2026-05-18T01:21:51.705042Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:51.705042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3SzKqUNhYQK4UTW+nRG96Or/Cl4w+1ZRa+2V2452PQEitaSvHTJkeDTDuabCh+T41XCmKO4klaB69IulusfjAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:51.705521Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.06584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e99bd7ed2d4ed3dfa198d04599a2540f9a1bad33aa1af865ee3b13dd319ab1e","sha256:3b7a52923192fad6c8b26e5c62155dee7f7ddb83502f47436fec813b243808c2"],"state_sha256":"cbcff529d0bc3e56bc97e91b12478646cce0fba8d483011c50e76b4aac76cb57"}