{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:J7HIHMU5CUT62LVLKEU5YRLXMK","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":"ecb5eedd8f33aef225772d118c671f1a1804f1b931075ccb73b032a259b9c19c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-05T20:59:59Z","title_canon_sha256":"52b238c603f6de31d338eab8d1751d2fcce075f9ff9aeba4eb40688ed2ca0e23"},"schema_version":"1.0","source":{"id":"1311.1198","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1198","created_at":"2026-05-18T01:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1198v1","created_at":"2026-05-18T01:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1198","created_at":"2026-05-18T01:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"J7HIHMU5CUT6","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"J7HIHMU5CUT62LVL","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"J7HIHMU5","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:f43f4811da9947c128e79bc7791f0cc6647a451f21332d8cd608b14dc6c074f5","target":"graph","created_at":"2026-05-18T01:46:38Z","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 report the discovery of a new ultraluminous X-ray source (ULX) 2XMM J125048.6+410743 within the spiral galaxy M94. The source has been observed by ROSAT, Chandra, and XMM-Newton on several occasions, exhibiting as a highly variable persistent source or a recurrent transient with a flux variation factor of >100, a high duty cycle (at least ~70%), and a peak luminosity of Lx ~ 2X10^{39} erg/s (0.2-10 keV, absorbed). In the brightest observation, the source is similar to typical low-luminosity ULXs, with the spectrum showing a high-energy cutoff but harder than that from a standard accretion d","authors_text":"(2) IRAP, (3) MIT, Dacheng Lin (1), Didier Barret (2), France, Jimmy A. Irwin (1), Natalie A. Webb (2), Ronald A. Remillard (3) ((1) University of Alabama, USA, USA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-05T20:59:59Z","title":"Discovery of a Highly Variable Dipping Ultraluminous X-ray source in M94"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1198","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":"sha256:740051f30b1158f6209de7353852f2dd69e37c56afcd6564325cbfe10f63aa67","target":"record","created_at":"2026-05-18T01:46:38Z","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":"ecb5eedd8f33aef225772d118c671f1a1804f1b931075ccb73b032a259b9c19c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-05T20:59:59Z","title_canon_sha256":"52b238c603f6de31d338eab8d1751d2fcce075f9ff9aeba4eb40688ed2ca0e23"},"schema_version":"1.0","source":{"id":"1311.1198","kind":"arxiv","version":1}},"canonical_sha256":"4fce83b29d1527ed2eab5129dc457762a0ad7b5376cb579442cf4e7dbb33dc13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fce83b29d1527ed2eab5129dc457762a0ad7b5376cb579442cf4e7dbb33dc13","first_computed_at":"2026-05-18T01:46:38.636703Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:38.636703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"81UdEXrrGTRoGNmRWA7mX0uiIM/aDWrBCYPu3aIMa3fEZohrj6L+s20Kp2S1jjmuEtAEVWAlJ6A7mcLL4xsfBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:38.637193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1198","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:740051f30b1158f6209de7353852f2dd69e37c56afcd6564325cbfe10f63aa67","sha256:f43f4811da9947c128e79bc7791f0cc6647a451f21332d8cd608b14dc6c074f5"],"state_sha256":"21971601c2942bb0d91bc83493e96c6149772512e3af0443c2062fbed32544f0"}