{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:6PGYM2LHMCKGMESSE5H2A63PFP","short_pith_number":"pith:6PGYM2LH","schema_version":"1.0","canonical_sha256":"f3cd8669676094661252274fa07b6f2bc144039d5be5766b7eb8a747d318bdd8","source":{"kind":"arxiv","id":"0810.2563","version":2},"attestation_state":"computed","paper":{"title":"Comment on the Black Hole Recoil Candidate Quasar SDSS J092712.65+294344.0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. W. Bonning, G. A. Shields, S. Salviander","submitted_at":"2008-10-14T21:24:14Z","abstract_excerpt":"SDSS J092712.65+294344.0 has been proposed as a candidate for a supermassive black hole (~10^8.8 solar masses) ejected at high speed from the host galactic nucleus by gravitational radiation recoil, or alternatively for a supermassive black hole binary. This is based on a blueshift of 2650 km/s of the broad emission lines (\"b-system\") relative to the narrow emission lines (\"r-system\") presumed to reflect the galaxy velocity. New observations with the Hobby-Eberly Telescope (HET) confirm the essential features of the spectrum. We note a third redshift system, characterized by weak, narrow emiss"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0810.2563","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-14T21:24:14Z","cross_cats_sorted":[],"title_canon_sha256":"70b4fc5081c447e5b16f6ff8b751e1b5bfd9c6e2b0e35eae2266ef2b6347f7ce","abstract_canon_sha256":"03853b7424557dda6cc237c72fb5b4340ac2a920d8a4dd61d87d89cf776a05fc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:26.023035Z","signature_b64":"ufAZNoWbJ2jw+0ou67Z2m1k7sOoHH9LcH/+5B1QNgmZ+FWJjYbqsXDbXRLPeY0Xu/5T7R2jWEl94b8yRPrCABg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3cd8669676094661252274fa07b6f2bc144039d5be5766b7eb8a747d318bdd8","last_reissued_at":"2026-05-18T04:29:26.022405Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:26.022405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comment on the Black Hole Recoil Candidate Quasar SDSS J092712.65+294344.0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. W. Bonning, G. A. Shields, S. Salviander","submitted_at":"2008-10-14T21:24:14Z","abstract_excerpt":"SDSS J092712.65+294344.0 has been proposed as a candidate for a supermassive black hole (~10^8.8 solar masses) ejected at high speed from the host galactic nucleus by gravitational radiation recoil, or alternatively for a supermassive black hole binary. This is based on a blueshift of 2650 km/s of the broad emission lines (\"b-system\") relative to the narrow emission lines (\"r-system\") presumed to reflect the galaxy velocity. New observations with the Hobby-Eberly Telescope (HET) confirm the essential features of the spectrum. We note a third redshift system, characterized by weak, narrow emiss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.2563","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"0810.2563","created_at":"2026-05-18T04:29:26.022523+00:00"},{"alias_kind":"arxiv_version","alias_value":"0810.2563v2","created_at":"2026-05-18T04:29:26.022523+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.2563","created_at":"2026-05-18T04:29:26.022523+00:00"},{"alias_kind":"pith_short_12","alias_value":"6PGYM2LHMCKG","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"6PGYM2LHMCKGMESS","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"6PGYM2LH","created_at":"2026-05-18T12:25:56.245647+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP","json":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP.json","graph_json":"https://pith.science/api/pith-number/6PGYM2LHMCKGMESSE5H2A63PFP/graph.json","events_json":"https://pith.science/api/pith-number/6PGYM2LHMCKGMESSE5H2A63PFP/events.json","paper":"https://pith.science/paper/6PGYM2LH"},"agent_actions":{"view_html":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP","download_json":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP.json","view_paper":"https://pith.science/paper/6PGYM2LH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0810.2563&json=true","fetch_graph":"https://pith.science/api/pith-number/6PGYM2LHMCKGMESSE5H2A63PFP/graph.json","fetch_events":"https://pith.science/api/pith-number/6PGYM2LHMCKGMESSE5H2A63PFP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP/action/storage_attestation","attest_author":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP/action/author_attestation","sign_citation":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP/action/citation_signature","submit_replication":"https://pith.science/pith/6PGYM2LHMCKGMESSE5H2A63PFP/action/replication_record"}},"created_at":"2026-05-18T04:29:26.022523+00:00","updated_at":"2026-05-18T04:29:26.022523+00:00"}