{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:STU6XFIRFQ57KJ7RNDYNQYTBKM","short_pith_number":"pith:STU6XFIR","canonical_record":{"source":{"id":"2306.03472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T07:45:22Z","cross_cats_sorted":[],"title_canon_sha256":"9b767a7fe1d1c40cf126bb00d87436aa79e913a69806d7dd2b30f4355c1b670e","abstract_canon_sha256":"343fff43f34b439c5cb979d3e5616b74a86bcd1d65c07c02dd476657f3da0602"},"schema_version":"1.0"},"canonical_sha256":"94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad","source":{"kind":"arxiv","id":"2306.03472","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03472","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03472v1","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03472","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"STU6XFIRFQ57","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_16","alias_value":"STU6XFIRFQ57KJ7R","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_8","alias_value":"STU6XFIR","created_at":"2026-07-05T07:23:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:STU6XFIRFQ57KJ7RNDYNQYTBKM","target":"record","payload":{"canonical_record":{"source":{"id":"2306.03472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T07:45:22Z","cross_cats_sorted":[],"title_canon_sha256":"9b767a7fe1d1c40cf126bb00d87436aa79e913a69806d7dd2b30f4355c1b670e","abstract_canon_sha256":"343fff43f34b439c5cb979d3e5616b74a86bcd1d65c07c02dd476657f3da0602"},"schema_version":"1.0"},"canonical_sha256":"94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:23:03.297987Z","signature_b64":"8rQdwB0lRUApYwV+AVH/kXsw2Fm+Yw39Z/9FAhNusZow4y4zsIOnk7D//y8BU279EsaO/8vl0oA3TIiQJI3PCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad","last_reissued_at":"2026-07-05T07:23:03.297501Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:23:03.297501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.03472","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RtgHXTwMQKk9tiu2SJVqi6FHICzGeYYa/cUZe9F+j+iXLCa7OMr1qxScHzmuf8bkfkdPIGZ+IHqwdGurarfyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T19:59:12.628405Z"},"content_sha256":"e1c42ff93e3e62533d82f83169185399b90d03c01a9e134e4bde102d880b9afe","schema_version":"1.0","event_id":"sha256:e1c42ff93e3e62533d82f83169185399b90d03c01a9e134e4bde102d880b9afe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:STU6XFIRFQ57KJ7RNDYNQYTBKM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black Hole masses for 14 gravitational lensed quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Melo, C. S. Kochanek, E. Falco, E. Mediavilla, F. \\'Avila-Vera, J. Mej\\'ia-Restrepo, N. Godoy, R. J. Assef, R. Jerez, V. Motta","submitted_at":"2023-06-06T07:45:22Z","abstract_excerpt":"We estimate black hole masses (M$_{\\rm BH}$) for 14 gravitationally lensed quasars using the Balmer lines along with estimates based on MgII and CIV emission lines for four and two of them, respectively. We compare with results obtained for other lensed quasars.\n  We use spectroscopic data from the Large Binocular Telescope (LBT), Magellan and the Very Large Telescope (VLT) to measure the FWHM of the broad emission lines. Combined with the bolometric luminosity measured from the spectra energy distribution, we estimate M$_{\\rm BH}$ including uncertainties from microlensing and variability.\n  W"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03472","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.03472/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XauFXjIGJRFzknMadHi2+E6trbwvYgSxjtYTG95O9X6IRF3ggRTD6lFbT9jd1TRAlpQB3wn9m7QSstAUCBirBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T19:59:12.628744Z"},"content_sha256":"e867519cf9634278ba1138f517aa80c6f061a3f45bba33379fc5b945e20e2b29","schema_version":"1.0","event_id":"sha256:e867519cf9634278ba1138f517aa80c6f061a3f45bba33379fc5b945e20e2b29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/bundle.json","state_url":"https://pith.science/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-20T19:59:12Z","links":{"resolver":"https://pith.science/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM","bundle":"https://pith.science/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/bundle.json","state":"https://pith.science/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/STU6XFIRFQ57KJ7RNDYNQYTBKM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:STU6XFIRFQ57KJ7RNDYNQYTBKM","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":"343fff43f34b439c5cb979d3e5616b74a86bcd1d65c07c02dd476657f3da0602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T07:45:22Z","title_canon_sha256":"9b767a7fe1d1c40cf126bb00d87436aa79e913a69806d7dd2b30f4355c1b670e"},"schema_version":"1.0","source":{"id":"2306.03472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03472","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03472v1","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03472","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"STU6XFIRFQ57","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_16","alias_value":"STU6XFIRFQ57KJ7R","created_at":"2026-07-05T07:23:03Z"},{"alias_kind":"pith_short_8","alias_value":"STU6XFIR","created_at":"2026-07-05T07:23:03Z"}],"graph_snapshots":[{"event_id":"sha256:e867519cf9634278ba1138f517aa80c6f061a3f45bba33379fc5b945e20e2b29","target":"graph","created_at":"2026-07-05T07:23:03Z","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/2306.03472/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We estimate black hole masses (M$_{\\rm BH}$) for 14 gravitationally lensed quasars using the Balmer lines along with estimates based on MgII and CIV emission lines for four and two of them, respectively. We compare with results obtained for other lensed quasars.\n  We use spectroscopic data from the Large Binocular Telescope (LBT), Magellan and the Very Large Telescope (VLT) to measure the FWHM of the broad emission lines. Combined with the bolometric luminosity measured from the spectra energy distribution, we estimate M$_{\\rm BH}$ including uncertainties from microlensing and variability.\n  W","authors_text":"A. Melo, C. S. Kochanek, E. Falco, E. Mediavilla, F. \\'Avila-Vera, J. Mej\\'ia-Restrepo, N. Godoy, R. J. Assef, R. Jerez, V. Motta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T07:45:22Z","title":"Black Hole masses for 14 gravitational lensed quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03472","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:e1c42ff93e3e62533d82f83169185399b90d03c01a9e134e4bde102d880b9afe","target":"record","created_at":"2026-07-05T07:23:03Z","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":"343fff43f34b439c5cb979d3e5616b74a86bcd1d65c07c02dd476657f3da0602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T07:45:22Z","title_canon_sha256":"9b767a7fe1d1c40cf126bb00d87436aa79e913a69806d7dd2b30f4355c1b670e"},"schema_version":"1.0","source":{"id":"2306.03472","kind":"arxiv","version":1}},"canonical_sha256":"94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad","first_computed_at":"2026-07-05T07:23:03.297501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:23:03.297501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8rQdwB0lRUApYwV+AVH/kXsw2Fm+Yw39Z/9FAhNusZow4y4zsIOnk7D//y8BU279EsaO/8vl0oA3TIiQJI3PCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:23:03.297987Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.03472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1c42ff93e3e62533d82f83169185399b90d03c01a9e134e4bde102d880b9afe","sha256:e867519cf9634278ba1138f517aa80c6f061a3f45bba33379fc5b945e20e2b29"],"state_sha256":"7ea1d5d26433fd2102abfd3e6b5b162cb267fbb9a71077c93a56ee437d7db016"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+2lh6FmU5oA9DlZIt66BRhyOFij9f8hhaXzvgz1fOJH08dqHPYqbXVjTk/Ec+A8SqPHiIG8XIgZ1dZ8E7Um+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T19:59:12.632785Z","bundle_sha256":"f7ebcd98c0788d4d64699d5bc37db59384209a5670ce79856bfadca1cb6637c5"}}