{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:G52KSTZDMP7YMCTMMW7KF3CYCI","short_pith_number":"pith:G52KSTZD","schema_version":"1.0","canonical_sha256":"3774a94f2363ff860a6c65bea2ec58120c02fbfa3a8522f75e94e16293d12968","source":{"kind":"arxiv","id":"0808.1769","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic Confirmation of the Fifth Image of SDSS J1004+4112 and Implications for the M_BH-sigma_* Relation at z=0.68","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Christopher S. Kochanek, Emilio E. Falco, Eran O. Ofek, Graham P. Smith, Keren Sharon, Masamune Oguri, Naohisa Inada, Tom J. Broadhurst","submitted_at":"2008-08-13T02:24:26Z","abstract_excerpt":"We present the results of deep spectroscopy for the central region of the cluster lens SDSS J1004+4112 with the Subaru telescope. A secure detection of an emission line of the faint blue stellar object (component E) near the center of the brightest cluster galaxy (G1) confirms that it is the central fifth image of the lensed quasar system. In addition, we measure the stellar velocity dispersion of G1 to be sigma_* = 352+-13 km/s. We combine these results to obtain constraints on the mass M_BH of the putative black hole (BH) at the center of the inactive galaxy G1, and hence on the M_BH-sigma_*"},"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":"0808.1769","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-13T02:24:26Z","cross_cats_sorted":[],"title_canon_sha256":"c87bc7e718fc378eeb7ce9fa1a46537a3af924e973fed3f8e9251be3bba5761a","abstract_canon_sha256":"d80b8873b610d6297e6f924a0960c40f01e6c687ae5c3b963c704aef6e42a8fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:43.377566Z","signature_b64":"tCUFqexkWAnj4ankaG1mLeX5CYL8qQgvdn689YKn0q/k8sn6ABLVGl1qMlilaQja1mr3IQNjU6hgCg5zIIKiAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3774a94f2363ff860a6c65bea2ec58120c02fbfa3a8522f75e94e16293d12968","last_reissued_at":"2026-05-18T02:15:43.376925Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:43.376925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic Confirmation of the Fifth Image of SDSS J1004+4112 and Implications for the M_BH-sigma_* Relation at z=0.68","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Christopher S. Kochanek, Emilio E. Falco, Eran O. Ofek, Graham P. Smith, Keren Sharon, Masamune Oguri, Naohisa Inada, Tom J. Broadhurst","submitted_at":"2008-08-13T02:24:26Z","abstract_excerpt":"We present the results of deep spectroscopy for the central region of the cluster lens SDSS J1004+4112 with the Subaru telescope. A secure detection of an emission line of the faint blue stellar object (component E) near the center of the brightest cluster galaxy (G1) confirms that it is the central fifth image of the lensed quasar system. In addition, we measure the stellar velocity dispersion of G1 to be sigma_* = 352+-13 km/s. We combine these results to obtain constraints on the mass M_BH of the putative black hole (BH) at the center of the inactive galaxy G1, and hence on the M_BH-sigma_*"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.1769","kind":"arxiv","version":1},"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":"0808.1769","created_at":"2026-05-18T02:15:43.377024+00:00"},{"alias_kind":"arxiv_version","alias_value":"0808.1769v1","created_at":"2026-05-18T02:15:43.377024+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.1769","created_at":"2026-05-18T02:15:43.377024+00:00"},{"alias_kind":"pith_short_12","alias_value":"G52KSTZDMP7Y","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"G52KSTZDMP7YMCTM","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"G52KSTZD","created_at":"2026-05-18T12:25:57.157939+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.13514","citing_title":"COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster","ref_index":107,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI","json":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI.json","graph_json":"https://pith.science/api/pith-number/G52KSTZDMP7YMCTMMW7KF3CYCI/graph.json","events_json":"https://pith.science/api/pith-number/G52KSTZDMP7YMCTMMW7KF3CYCI/events.json","paper":"https://pith.science/paper/G52KSTZD"},"agent_actions":{"view_html":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI","download_json":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI.json","view_paper":"https://pith.science/paper/G52KSTZD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0808.1769&json=true","fetch_graph":"https://pith.science/api/pith-number/G52KSTZDMP7YMCTMMW7KF3CYCI/graph.json","fetch_events":"https://pith.science/api/pith-number/G52KSTZDMP7YMCTMMW7KF3CYCI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI/action/storage_attestation","attest_author":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI/action/author_attestation","sign_citation":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI/action/citation_signature","submit_replication":"https://pith.science/pith/G52KSTZDMP7YMCTMMW7KF3CYCI/action/replication_record"}},"created_at":"2026-05-18T02:15:43.377024+00:00","updated_at":"2026-05-18T02:15:43.377024+00:00"}