{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7KXNBLG2MMLTUWUO25WTT53TTM","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":"8d633b31c4b800f02680a837ce5cbdb9f6172aed77b849f7c8d878fc06c1d902","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-31T10:22:05Z","title_canon_sha256":"dbc1fa073503e1ad60d8dfbd2885bfe311fecf97d8538e365b6759503644470f"},"schema_version":"1.0","source":{"id":"1301.7574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.7574","created_at":"2026-05-18T03:34:49Z"},{"alias_kind":"arxiv_version","alias_value":"1301.7574v1","created_at":"2026-05-18T03:34:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.7574","created_at":"2026-05-18T03:34:49Z"},{"alias_kind":"pith_short_12","alias_value":"7KXNBLG2MMLT","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7KXNBLG2MMLTUWUO","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7KXNBLG2","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:db8014960eebac8eb67fad0f1384bc411f314e8b5f714119402f7edfef01532f","target":"graph","created_at":"2026-05-18T03:34:49Z","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":"Supergiant Fast X-ray Transients are a class of Galactic High Mass X-ray Binaries with supergiant companions. Their extreme transient X-ray flaring activity was unveiled thanks to INTEGRAL/IBIS observations. The SFXTs dynamic range, with X-ray luminosities from 1E32 erg/s to 1E37 erg/s, and long time intervals of low X-ray emission, are puzzling, given that both their donor star properties and their orbital and spin periodicities seem very similar to those displayed by massive binaries with persistent X-ray emission. Clumpy supergiant winds, accretion barriers, orbital geometries and wind anis","authors_text":"Italy), Lara Sidoli (INAF-IASF Milano","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-31T10:22:05Z","title":"Supergiant Fast X-ray Transients: a review"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.7574","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:d2bb57dacd5941eca087252cfdf31d6c4bd46029e226b7cfecc4f96aea4de7a2","target":"record","created_at":"2026-05-18T03:34:49Z","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":"8d633b31c4b800f02680a837ce5cbdb9f6172aed77b849f7c8d878fc06c1d902","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-31T10:22:05Z","title_canon_sha256":"dbc1fa073503e1ad60d8dfbd2885bfe311fecf97d8538e365b6759503644470f"},"schema_version":"1.0","source":{"id":"1301.7574","kind":"arxiv","version":1}},"canonical_sha256":"faaed0acda63173a5a8ed76d39f7739b21c83a1f1aec735817f632a59b75d355","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"faaed0acda63173a5a8ed76d39f7739b21c83a1f1aec735817f632a59b75d355","first_computed_at":"2026-05-18T03:34:49.176942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:49.176942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ev12Ns9fiPwz6o41SjWvcJNkVxUHz4b6dGDa+BIHjfRpo2E4HVn1ZWD4MyWx0a0AGJyOeGGZxmRzZPCa6YMSAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:49.177635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.7574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2bb57dacd5941eca087252cfdf31d6c4bd46029e226b7cfecc4f96aea4de7a2","sha256:db8014960eebac8eb67fad0f1384bc411f314e8b5f714119402f7edfef01532f"],"state_sha256":"17024cff0e7b2528751fcf5245612287119f6a6baf9771a1062662c2a9d66ffa"}