{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:7MD3Z7CJVTOFTTCCRR3ZLNJ5BJ","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":"17caecc6b2826facd70ed5c7955735c6fb49619b15143de4ada1796180b48489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-14T13:21:31Z","title_canon_sha256":"6600bef3a232fbc6eefc4171c7b04e24a994d5363db586e4373710d15e8acdba"},"schema_version":"1.0","source":{"id":"1010.2904","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.2904","created_at":"2026-05-18T02:05:05Z"},{"alias_kind":"arxiv_version","alias_value":"1010.2904v1","created_at":"2026-05-18T02:05:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.2904","created_at":"2026-05-18T02:05:05Z"},{"alias_kind":"pith_short_12","alias_value":"7MD3Z7CJVTOF","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7MD3Z7CJVTOFTTCC","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7MD3Z7CJ","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:8085c63c2365a50e81c746554b1534047372d7aeece11ff2b88adc736b1cf1ee","target":"graph","created_at":"2026-05-18T02:05:05Z","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 investigated the relationship between the X-ray variability amplitude and X-ray luminosity for a sample of 14 bright Ultra-luminous X-ray sources (ULXs) with XMM-Newton/EPIC data, and compare it with the well established similar relationship for Active Galactic Nuclei (AGN). We computed the normalised excess variance in the 2-10 keV light curves of these objects and their 2-10 keV band intrinsic luminosity. We also determined model \"variability-luminosity\" relationships for AGN, under several assumptions regarding their power-spectral shape. We compared these model predictions at low lumino","authors_text":"A. Zezas, I. Papadakis, O. Gonzalez-Martin, P. Reig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-14T13:21:31Z","title":"The scaling of X-ray variability with luminosity in Ultra-luminous X-ray sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.2904","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:b3eb44393112a9d982fc3d6d0ef67e912cc41f2a2c702fced251076d1094e1cd","target":"record","created_at":"2026-05-18T02:05:05Z","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":"17caecc6b2826facd70ed5c7955735c6fb49619b15143de4ada1796180b48489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-14T13:21:31Z","title_canon_sha256":"6600bef3a232fbc6eefc4171c7b04e24a994d5363db586e4373710d15e8acdba"},"schema_version":"1.0","source":{"id":"1010.2904","kind":"arxiv","version":1}},"canonical_sha256":"fb07bcfc49acdc59cc428c7795b53d0a412fae680fd7b1d396f4b4cafb80a463","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb07bcfc49acdc59cc428c7795b53d0a412fae680fd7b1d396f4b4cafb80a463","first_computed_at":"2026-05-18T02:05:05.089926Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:05.089926Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SI+zRQ5i5lYtuQ7/p07hNOOd3G5s/IHypkU75iGl/9WDewg/8AOK3Goq8nYzQNnupm0/b0wD63kO/UrGOu1/Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:05.090647Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.2904","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3eb44393112a9d982fc3d6d0ef67e912cc41f2a2c702fced251076d1094e1cd","sha256:8085c63c2365a50e81c746554b1534047372d7aeece11ff2b88adc736b1cf1ee"],"state_sha256":"c3bbe2421c77f679d816ce858eadf024ec3e2fd804471771c9112d3cac2b4965"}