{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FCAD7RSTF62BVMNOBJVKFKGV3T","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":"b8e79aeb93ad4e6fe0b6b1f77fa7b3dbc8a251996e7e66bdf01be875fc2afc00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-04-14T19:59:59Z","title_canon_sha256":"402444c219eab714818805a26dcd3f7a50a41fb47ed4434a3ae233f26411ccee"},"schema_version":"1.0","source":{"id":"1404.3719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.3719","created_at":"2026-05-18T01:43:34Z"},{"alias_kind":"arxiv_version","alias_value":"1404.3719v1","created_at":"2026-05-18T01:43:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.3719","created_at":"2026-05-18T01:43:34Z"},{"alias_kind":"pith_short_12","alias_value":"FCAD7RSTF62B","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FCAD7RSTF62BVMNO","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FCAD7RST","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:5462ebdb70d0ec393a272282b6d0ce2b806803547dad0bbd980ae0de4def1df7","target":"graph","created_at":"2026-05-18T01:43:34Z","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":"SAX J2224.9+5421 is an extraordinary neutron star low-mass X-ray binary. Albeit discovered when it exhibited a ~10-s long thermonuclear X-ray burst, it had faded to a 0.5-10 keV luminosity of Lx<8E32 (D/7.1 kpc)^2 erg/s only ~8 hr later. It is generally assumed that neutron stars are quiescent (i.e., not accreting) at such an intensity, raising questions about the trigger conditions of the X-ray burst and the origin of the faint persistent emission. We report on a ~51 ks XMM-Newton observation aimed to find clues explaining the unusual behavior of SAX J2224.9+5421. We identify a likely counter","authors_text":"J. M. Miller, N. Degenaar, R. Wijnands","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-04-14T19:59:59Z","title":"The quiescent counterpart of the peculiar X-ray burster SAX J2224.9+5421"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.3719","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:a7edb5c6a59497bdea1720375a372ed35c0e9a6f821b6cffa8c4a721ac31a9d7","target":"record","created_at":"2026-05-18T01:43:34Z","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":"b8e79aeb93ad4e6fe0b6b1f77fa7b3dbc8a251996e7e66bdf01be875fc2afc00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-04-14T19:59:59Z","title_canon_sha256":"402444c219eab714818805a26dcd3f7a50a41fb47ed4434a3ae233f26411ccee"},"schema_version":"1.0","source":{"id":"1404.3719","kind":"arxiv","version":1}},"canonical_sha256":"28803fc6532fb41ab1ae0a6aa2a8d5dccf8aea099cd5ed5172ffea5a950f29cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28803fc6532fb41ab1ae0a6aa2a8d5dccf8aea099cd5ed5172ffea5a950f29cb","first_computed_at":"2026-05-18T01:43:34.736638Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:34.736638Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YSeWUX5CD3Gc4K7x+rxGO3e/bbgZkmyePTZgKgp0bLRx9PjzhfGuB4HbAW6QDOyNiOKakJ9cH5Xc2M6mMmWBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:34.737361Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.3719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7edb5c6a59497bdea1720375a372ed35c0e9a6f821b6cffa8c4a721ac31a9d7","sha256:5462ebdb70d0ec393a272282b6d0ce2b806803547dad0bbd980ae0de4def1df7"],"state_sha256":"887d176f42505b18872e599d8b3cd69271f8f6d304e8e6c457717f05018d1cf4"}