{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:LMOTYZXFKGM23FT34TFTCPYMD3","short_pith_number":"pith:LMOTYZXF","canonical_record":{"source":{"id":"0907.3470","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-20T19:28:57Z","cross_cats_sorted":[],"title_canon_sha256":"de6b6142f5a8a60dbe476cf1dbbc4b03ca5ced14cc7b4d6222ca2da309934f22","abstract_canon_sha256":"fac6646c5b05657631f82991c3276d544b4d0f632916cee85b065ce49d04c7b3"},"schema_version":"1.0"},"canonical_sha256":"5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591","source":{"kind":"arxiv","id":"0907.3470","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.3470","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"arxiv_version","alias_value":"0907.3470v2","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.3470","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"pith_short_12","alias_value":"LMOTYZXFKGM2","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LMOTYZXFKGM23FT3","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LMOTYZXF","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:LMOTYZXFKGM23FT34TFTCPYMD3","target":"record","payload":{"canonical_record":{"source":{"id":"0907.3470","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-20T19:28:57Z","cross_cats_sorted":[],"title_canon_sha256":"de6b6142f5a8a60dbe476cf1dbbc4b03ca5ced14cc7b4d6222ca2da309934f22","abstract_canon_sha256":"fac6646c5b05657631f82991c3276d544b4d0f632916cee85b065ce49d04c7b3"},"schema_version":"1.0"},"canonical_sha256":"5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:55.447330Z","signature_b64":"IgaCGL/WSyGEi/1fpMvmlrMlQOguOCWimjCLuIUqNzRAm7/rJ80Zdr83nWUp8+wS/LEs49qLxevrrMRWIZymAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591","last_reissued_at":"2026-05-18T02:12:55.446600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:55.446600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.3470","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:12:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AA7+B7Y500eY7FHMmktoZVE5Zz08HmiFRXnCb+2Z7BcVErjKzzQnjZHGQ6xmLZ8LGFux1deHM2Ey+UALy6e1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:06:30.281224Z"},"content_sha256":"9556e98ecbc4ffafe6c7aba6841c4eba57925d56d7f1a8aa91da9b198d7b15a9","schema_version":"1.0","event_id":"sha256:9556e98ecbc4ffafe6c7aba6841c4eba57925d56d7f1a8aa91da9b198d7b15a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:LMOTYZXFKGM23FT34TFTCPYMD3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Quasar SDSS J105041.35+345631.3: Black Hole Recoil or Extreme Double-Peaked Emitter?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. A. Dutton, D. J. Rosario, E. Ramirez-Ruiz, E. W. Bonning, G. A. Shields, J. S. Kalirai, K. L. Smith, P. J. Marshall, R. Strickler, S. Salviander, T. Treu","submitted_at":"2009-07-20T19:28:57Z","abstract_excerpt":"The quasar SDSS J105041.35+345631.3 (z = 0.272) has broad emission lines blueshifted by 3500 km/s relative to the narrow lines and the host galaxy. Such an object may be a candidate for a recoiling supermassive black hole, binary black hole, a superposition of two objects, or an unusual geometry for the broad emission-line region. The absence of narrow lines at the broad line redshift argues against superposition. New Keck spectra of J1050+3546 place tight constraints on the binary model. The combination of large velocity shift and symmetrical H-beta profile, as well as aspects of the narrow l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.3470","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:12:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3eNpG3yyFHeq+nsVSz1WaGKzKOmnRcN49Il4MWEkHLoZi4fAgJA+gAaCelh+6X2hcjMGBGqQht8Tq9/TZcKVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:06:30.282063Z"},"content_sha256":"5683583bab2b173dd04868b809ca71d11820d1aab74c4f52e62d7ee19ad7c118","schema_version":"1.0","event_id":"sha256:5683583bab2b173dd04868b809ca71d11820d1aab74c4f52e62d7ee19ad7c118"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LMOTYZXFKGM23FT34TFTCPYMD3/bundle.json","state_url":"https://pith.science/pith/LMOTYZXFKGM23FT34TFTCPYMD3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LMOTYZXFKGM23FT34TFTCPYMD3/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":"2026-08-03T18:06:30Z","links":{"resolver":"https://pith.science/pith/LMOTYZXFKGM23FT34TFTCPYMD3","bundle":"https://pith.science/pith/LMOTYZXFKGM23FT34TFTCPYMD3/bundle.json","state":"https://pith.science/pith/LMOTYZXFKGM23FT34TFTCPYMD3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LMOTYZXFKGM23FT34TFTCPYMD3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:LMOTYZXFKGM23FT34TFTCPYMD3","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":"fac6646c5b05657631f82991c3276d544b4d0f632916cee85b065ce49d04c7b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-20T19:28:57Z","title_canon_sha256":"de6b6142f5a8a60dbe476cf1dbbc4b03ca5ced14cc7b4d6222ca2da309934f22"},"schema_version":"1.0","source":{"id":"0907.3470","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.3470","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"arxiv_version","alias_value":"0907.3470v2","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.3470","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"pith_short_12","alias_value":"LMOTYZXFKGM2","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LMOTYZXFKGM23FT3","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LMOTYZXF","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:5683583bab2b173dd04868b809ca71d11820d1aab74c4f52e62d7ee19ad7c118","target":"graph","created_at":"2026-05-18T02:12:55Z","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":"The quasar SDSS J105041.35+345631.3 (z = 0.272) has broad emission lines blueshifted by 3500 km/s relative to the narrow lines and the host galaxy. Such an object may be a candidate for a recoiling supermassive black hole, binary black hole, a superposition of two objects, or an unusual geometry for the broad emission-line region. The absence of narrow lines at the broad line redshift argues against superposition. New Keck spectra of J1050+3546 place tight constraints on the binary model. The combination of large velocity shift and symmetrical H-beta profile, as well as aspects of the narrow l","authors_text":"A. A. Dutton, D. J. Rosario, E. Ramirez-Ruiz, E. W. Bonning, G. A. Shields, J. S. Kalirai, K. L. Smith, P. J. Marshall, R. Strickler, S. Salviander, T. Treu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-20T19:28:57Z","title":"The Quasar SDSS J105041.35+345631.3: Black Hole Recoil or Extreme Double-Peaked Emitter?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.3470","kind":"arxiv","version":2},"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":"sha256:9556e98ecbc4ffafe6c7aba6841c4eba57925d56d7f1a8aa91da9b198d7b15a9","target":"record","created_at":"2026-05-18T02:12:55Z","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":"fac6646c5b05657631f82991c3276d544b4d0f632916cee85b065ce49d04c7b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-20T19:28:57Z","title_canon_sha256":"de6b6142f5a8a60dbe476cf1dbbc4b03ca5ced14cc7b4d6222ca2da309934f22"},"schema_version":"1.0","source":{"id":"0907.3470","kind":"arxiv","version":2}},"canonical_sha256":"5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591","first_computed_at":"2026-05-18T02:12:55.446600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:55.446600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IgaCGL/WSyGEi/1fpMvmlrMlQOguOCWimjCLuIUqNzRAm7/rJ80Zdr83nWUp8+wS/LEs49qLxevrrMRWIZymAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:55.447330Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.3470","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9556e98ecbc4ffafe6c7aba6841c4eba57925d56d7f1a8aa91da9b198d7b15a9","sha256:5683583bab2b173dd04868b809ca71d11820d1aab74c4f52e62d7ee19ad7c118"],"state_sha256":"05781cec6e0b1a0ddeddb9711cacb88ecd3cf486b19c5c655cc990ae7967572a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEEr06ZWwc7ZvEUIumnRPMM/wdeWmCSom0YIyg1VJBW1eF6Sox5eu8OMt198p7tYpD/uvxr5+0uKx+aLptyOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:06:30.292202Z","bundle_sha256":"8969359533b7c822219103c3f6cea1fdadd7fd9ba18c8e76cdb13c713dae07b5"}}