{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IVAO77RTT4OD5666LBRZLG2F5T","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":"9456f9f9635fa8875f4873173742e9fb683e0b75a2605a971b7c20ec336e96c0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-23T15:43:13Z","title_canon_sha256":"c08a45d92fbda91b6a5d386f11f89596c92a4bfedeb88926241f3b70cbd20b78"},"schema_version":"1.0","source":{"id":"astro-ph/0307408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0307408","created_at":"2026-07-04T16:37:24Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0307408v1","created_at":"2026-07-04T16:37:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0307408","created_at":"2026-07-04T16:37:24Z"},{"alias_kind":"pith_short_12","alias_value":"IVAO77RTT4OD","created_at":"2026-07-04T16:37:24Z"},{"alias_kind":"pith_short_16","alias_value":"IVAO77RTT4OD5666","created_at":"2026-07-04T16:37:24Z"},{"alias_kind":"pith_short_8","alias_value":"IVAO77RT","created_at":"2026-07-04T16:37:24Z"}],"graph_snapshots":[{"event_id":"sha256:50c5c871bffc83c7e86c224e2ad0d175bc2f64d63e98bf43a4b661eae42e9e02","target":"graph","created_at":"2026-07-04T16:37:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0307408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the detection of high excitation CO emission from the most distant quasar currently known, SDSS J114816.64+525150.3 (hereafter J1148+5251), at a redshift z=6.419. The CO (J=6-5) and (J=7-6) lines were detected using the IRAM Plateau de Bure interferometer, showing a width of ~280 km/s. An upper flux limit for the CO (J=1-0) line was obtained from observations with the Effelsberg 100-meter telescope. Assuming no gravitational magnification, we estimate a molecular gas mass of ~2x10^10 M_sun. Using the CO (3-2) observations by Walter et al. (2003), a comparison of the line flux ratios ","authors_text":"A. Beelen (IAS), A. Omont (IAP), C. Henkel (MPIfR), C.L. Carilli (NRAO), F. Bertoldi (MPIfR), F. Walter (NRAO), K.M. Menten (MPIfR), Michael A. Strauss (Princeton U.), P. Cox (IAS), R. Neri (IRAM), X. Fan (U. Arizona)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-07-23T15:43:13Z","title":"High-excitation CO in a quasar host galaxy at z=6.42"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0307408","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":"sha256:1788d1088412309d047404e1326132a2b04be1eab3b49e09c3ace4d99264fc35","target":"record","created_at":"2026-07-04T16:37:24Z","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":"9456f9f9635fa8875f4873173742e9fb683e0b75a2605a971b7c20ec336e96c0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-07-23T15:43:13Z","title_canon_sha256":"c08a45d92fbda91b6a5d386f11f89596c92a4bfedeb88926241f3b70cbd20b78"},"schema_version":"1.0","source":{"id":"astro-ph/0307408","kind":"arxiv","version":1}},"canonical_sha256":"4540effe339f1c3efbde5863959b45ece158417dd9d1be5d112e67e8424c2d92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4540effe339f1c3efbde5863959b45ece158417dd9d1be5d112e67e8424c2d92","first_computed_at":"2026-07-04T16:37:24.652403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:37:24.652403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"srUDyyqJBFFCe8vLliRuEQ0tRXTHeU7d8zYLDQs4njxKKARfmsulNmwwZei8heaF38rTP4mAepwK8cuq5XgICA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:37:24.652805Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0307408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1788d1088412309d047404e1326132a2b04be1eab3b49e09c3ace4d99264fc35","sha256:50c5c871bffc83c7e86c224e2ad0d175bc2f64d63e98bf43a4b661eae42e9e02"],"state_sha256":"ceb7d806dd5639bef66aae9005b96b3f5be99e3ddfdd996b2629f0f14e50b13f"}