{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NOBRZVJDO5ORGPWMQHIUEKIAR7","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":"3845d6a0e0246d89abf8bb8117734ff5de2e9701d3a81e8990b620e1b63d68e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-04T07:25:31Z","title_canon_sha256":"56789612afdcc1b17c0da287c46a8606815e4acb071b30ac96116625fcb6d9e7"},"schema_version":"1.0","source":{"id":"1610.00877","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00877","created_at":"2026-05-18T00:54:29Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00877v1","created_at":"2026-05-18T00:54:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00877","created_at":"2026-05-18T00:54:29Z"},{"alias_kind":"pith_short_12","alias_value":"NOBRZVJDO5OR","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NOBRZVJDO5ORGPWM","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NOBRZVJD","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:8bfa1310db755a43452d1a1565e683dd1919cf881e03f9e2e80682de63f8deff","target":"graph","created_at":"2026-05-18T00:54:29Z","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":"Encke-type comet 332P/Ikeya-Murakami is experiencing cascading fragmentation events during its 2016 apparition. It is likely the first splitting Encke-type comet ever being observed. A nongravitational solution to the astrometry reveals a statistical detection of the radial and transverse nongravitational parameters, $A_{1} = \\left(1.54 \\pm 0.39\\right) \\times 10^{-8}$ AU day$^{-2}$, and $A_{2} = \\left(7.19 \\pm 1.92\\right) \\times 10^{-9}$ AU day$^{-2}$, respectively, which implies a nucleus erosion rate of $\\left(0.91 \\pm 0.17\\right)$% per orbital revolution. The mass-loss rate likely has to be","authors_text":"Man-To Hui, Paul Wiegert, Quan-Zhi Ye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-04T07:25:31Z","title":"Constraints on Comet 332P/Ikeya-Murakami"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00877","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:e4308b6132a5dc5ceb525a6b14b2b1e298999d9805721b6b2b4d3dc065273a12","target":"record","created_at":"2026-05-18T00:54:29Z","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":"3845d6a0e0246d89abf8bb8117734ff5de2e9701d3a81e8990b620e1b63d68e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-04T07:25:31Z","title_canon_sha256":"56789612afdcc1b17c0da287c46a8606815e4acb071b30ac96116625fcb6d9e7"},"schema_version":"1.0","source":{"id":"1610.00877","kind":"arxiv","version":1}},"canonical_sha256":"6b831cd523775d133ecc81d14229008fca830ae1a25002c7a2ad0c7c9da839f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b831cd523775d133ecc81d14229008fca830ae1a25002c7a2ad0c7c9da839f7","first_computed_at":"2026-05-18T00:54:29.001822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:29.001822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G6oBkkBL/S2s8b8iyIwGIOs41w5GEmoaidQjDjqA6XtZ3BDb911J+i/RRRQs+O2lZvi0XliOwfGBru+6luatCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:29.002639Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.00877","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4308b6132a5dc5ceb525a6b14b2b1e298999d9805721b6b2b4d3dc065273a12","sha256:8bfa1310db755a43452d1a1565e683dd1919cf881e03f9e2e80682de63f8deff"],"state_sha256":"1eb8470c1b96def5619bab0f022ac1ce4bb9ace6a6ec3ad046afd9dacfa3e559"}