{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RFCXD2WWBUPQIBWZ6AXVOQDRZO","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":"696b07aa3f0ea39588e1e581d3273eca768b575c5460370a73c9874ef4a88ebe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T14:38:41Z","title_canon_sha256":"5edc205e636031be655c94e3571bae23e1786d69b546fc922dc470ec14936412"},"schema_version":"1.0","source":{"id":"1212.3483","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3483","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3483v1","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3483","created_at":"2026-05-18T01:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"RFCXD2WWBUPQ","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RFCXD2WWBUPQIBWZ","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RFCXD2WW","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:56561d04469f06dfe8e984e8005982d03c57c6b7bf181e52d2d65052e5a3ce0e","target":"graph","created_at":"2026-05-18T01:52:38Z","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 derive masses of the central super-massive black hole (SMBH) and accretion rates for 154 type1 AGN belonging to a well-defined X-ray-selected sample, the XMM-Newton Serendipitous Sample (XBS). To this end, we use the most recent \"single-epoch\" relations, based on Hbeta and MgII2798A emission lines, to derive the SMBH masses. We then use the bolometric luminosities, computed on the basis of an SED-fitting procedure, to calculate the accretion rates, both absolute and normalized to the Eddington luminosity (Eddington ratio). The selected AGNs cover a range of masses from 10^7 to 10^10 Msun wi","authors_text":"A. Caccianiga, E. Marchese, P. Severgnini, R. Della Ceca, R. Fanali, S. Mateos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T14:38:41Z","title":"Black-hole masses of type 1 AGN in the XMM-Newton bright serendipitous survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3483","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:c9a220fa58d719b07ecdfd32d59cb4a9dafdc42dcfb30ac3be5116d41c3c1b90","target":"record","created_at":"2026-05-18T01:52:38Z","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":"696b07aa3f0ea39588e1e581d3273eca768b575c5460370a73c9874ef4a88ebe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T14:38:41Z","title_canon_sha256":"5edc205e636031be655c94e3571bae23e1786d69b546fc922dc470ec14936412"},"schema_version":"1.0","source":{"id":"1212.3483","kind":"arxiv","version":1}},"canonical_sha256":"894571ead60d1f0406d9f02f574071cb9e8d65651db1e5c03fa9d9d2483c1e8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"894571ead60d1f0406d9f02f574071cb9e8d65651db1e5c03fa9d9d2483c1e8c","first_computed_at":"2026-05-18T01:52:38.189910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:38.189910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ob/59EX/t1pL1Sg4eXgPifwd2diVShbh1zfpzRP1UEbIwh/U6gJpYbHvzwPuSTZK7+GsE5Bayi/UzkQpcwTXDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:38.190566Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3483","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9a220fa58d719b07ecdfd32d59cb4a9dafdc42dcfb30ac3be5116d41c3c1b90","sha256:56561d04469f06dfe8e984e8005982d03c57c6b7bf181e52d2d65052e5a3ce0e"],"state_sha256":"493b1df5c7c124a8b5fb3009845bf79cfd4532a54f8ec39fe02f3e44ce49a192"}