{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NSVVBI5PLLGQYNMODVWEZ7QRJ4","short_pith_number":"pith:NSVVBI5P","canonical_record":{"source":{"id":"1203.4509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-20T17:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"623a81331101e78235d0f570d898acc0775d5c5a96e191aa841918fbaa4b756b","abstract_canon_sha256":"5518818cc1b12f17664ddd45580155f272d549bd3078a1f4d924370ef9b3ffac"},"schema_version":"1.0"},"canonical_sha256":"6cab50a3af5acd0c358e1d6c4cfe114f00d7b3716701159eff8d4b00df28a9a0","source":{"kind":"arxiv","id":"1203.4509","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4509","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4509v1","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4509","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"pith_short_12","alias_value":"NSVVBI5PLLGQ","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NSVVBI5PLLGQYNMO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NSVVBI5P","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NSVVBI5PLLGQYNMODVWEZ7QRJ4","target":"record","payload":{"canonical_record":{"source":{"id":"1203.4509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-20T17:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"623a81331101e78235d0f570d898acc0775d5c5a96e191aa841918fbaa4b756b","abstract_canon_sha256":"5518818cc1b12f17664ddd45580155f272d549bd3078a1f4d924370ef9b3ffac"},"schema_version":"1.0"},"canonical_sha256":"6cab50a3af5acd0c358e1d6c4cfe114f00d7b3716701159eff8d4b00df28a9a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:05.385039Z","signature_b64":"QeHRZFhhbfmwNuZu/P17liR39ffk8RletqK0NcyUwtaFCE3cWcOf/5wDu+3b8B9lHCD2GA7W5DDxeyp8V2GzDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6cab50a3af5acd0c358e1d6c4cfe114f00d7b3716701159eff8d4b00df28a9a0","last_reissued_at":"2026-05-18T01:58:05.384560Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:05.384560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.4509","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":"2026-05-18T01:58:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEc+GQ8osef8bUNJ7A85bMbgaoCGi6807E1eqqOn2vc/G1QaU7Gd8FW8t5n6bb5k7OqOIdRRmtFIqnGLjNKgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:07:10.993618Z"},"content_sha256":"bef7ecc48eb4760fc937553f88548d9f2938cbb62d70c36cc5aa579513e56ec5","schema_version":"1.0","event_id":"sha256:bef7ecc48eb4760fc937553f88548d9f2938cbb62d70c36cc5aa579513e56ec5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NSVVBI5PLLGQYNMODVWEZ7QRJ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radio spectra and polarisation properties of a bright sample of Radio-Loud Broad Absorption Line Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. R. Benn, E. Salerno, F. Jim\\'enez-Luj\\'an, F. M. Montenegro-Montes, G. Bruni, J. Holt, J. I. Gonz\\'alez-Serrano, K.-H. Mack, R. Carballo","submitted_at":"2012-03-20T17:09:46Z","abstract_excerpt":"The origin of broad-absorption-line quasars (BAL QSOs) is still an open issue. Accounting for ~20% of the QSO population, these objects present broad absorption lines in their optical spectra generated from outflows with velocities up to 0.2c. In this work we present the results of a multi-frequency study of a well-defined radio-loud BAL QSO sample, and a comparison sample of radio-loud non-BAL QSOs, both selected from the Sloan Digital Sky Survey (SDSS).\n  We aim to test which of the currently-popular models for the BAL phenomenon - `orientation' or 'evolutionary' - best accounts for the radi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4509","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XLydb+OCs1ONb3XVWVjbC1FIXiVlimr7vVMbmW+4I3tHc6eYQqubV1a6SQZro088S0QyGGJBaxi/6qNdfuaIDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:07:10.993984Z"},"content_sha256":"bc6604fdc831fc836e0a70e72489e8e79c77a025dc4d7dd44f33581522786ff8","schema_version":"1.0","event_id":"sha256:bc6604fdc831fc836e0a70e72489e8e79c77a025dc4d7dd44f33581522786ff8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/bundle.json","state_url":"https://pith.science/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/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":"2026-06-05T15:07:10Z","links":{"resolver":"https://pith.science/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4","bundle":"https://pith.science/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/bundle.json","state":"https://pith.science/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NSVVBI5PLLGQYNMODVWEZ7QRJ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NSVVBI5PLLGQYNMODVWEZ7QRJ4","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":"5518818cc1b12f17664ddd45580155f272d549bd3078a1f4d924370ef9b3ffac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-20T17:09:46Z","title_canon_sha256":"623a81331101e78235d0f570d898acc0775d5c5a96e191aa841918fbaa4b756b"},"schema_version":"1.0","source":{"id":"1203.4509","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.4509","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"arxiv_version","alias_value":"1203.4509v1","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.4509","created_at":"2026-05-18T01:58:05Z"},{"alias_kind":"pith_short_12","alias_value":"NSVVBI5PLLGQ","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NSVVBI5PLLGQYNMO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NSVVBI5P","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:bc6604fdc831fc836e0a70e72489e8e79c77a025dc4d7dd44f33581522786ff8","target":"graph","created_at":"2026-05-18T01:58:05Z","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 origin of broad-absorption-line quasars (BAL QSOs) is still an open issue. Accounting for ~20% of the QSO population, these objects present broad absorption lines in their optical spectra generated from outflows with velocities up to 0.2c. In this work we present the results of a multi-frequency study of a well-defined radio-loud BAL QSO sample, and a comparison sample of radio-loud non-BAL QSOs, both selected from the Sloan Digital Sky Survey (SDSS).\n  We aim to test which of the currently-popular models for the BAL phenomenon - `orientation' or 'evolutionary' - best accounts for the radi","authors_text":"C. R. Benn, E. Salerno, F. Jim\\'enez-Luj\\'an, F. M. Montenegro-Montes, G. Bruni, J. Holt, J. I. Gonz\\'alez-Serrano, K.-H. Mack, R. Carballo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-20T17:09:46Z","title":"Radio spectra and polarisation properties of a bright sample of Radio-Loud Broad Absorption Line Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.4509","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:bef7ecc48eb4760fc937553f88548d9f2938cbb62d70c36cc5aa579513e56ec5","target":"record","created_at":"2026-05-18T01:58:05Z","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":"5518818cc1b12f17664ddd45580155f272d549bd3078a1f4d924370ef9b3ffac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-20T17:09:46Z","title_canon_sha256":"623a81331101e78235d0f570d898acc0775d5c5a96e191aa841918fbaa4b756b"},"schema_version":"1.0","source":{"id":"1203.4509","kind":"arxiv","version":1}},"canonical_sha256":"6cab50a3af5acd0c358e1d6c4cfe114f00d7b3716701159eff8d4b00df28a9a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6cab50a3af5acd0c358e1d6c4cfe114f00d7b3716701159eff8d4b00df28a9a0","first_computed_at":"2026-05-18T01:58:05.384560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:05.384560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QeHRZFhhbfmwNuZu/P17liR39ffk8RletqK0NcyUwtaFCE3cWcOf/5wDu+3b8B9lHCD2GA7W5DDxeyp8V2GzDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:05.385039Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.4509","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bef7ecc48eb4760fc937553f88548d9f2938cbb62d70c36cc5aa579513e56ec5","sha256:bc6604fdc831fc836e0a70e72489e8e79c77a025dc4d7dd44f33581522786ff8"],"state_sha256":"6bed5a2bc5df8bc974a5ef0532d37cbd764db4eb00acc2d6e8f30f358558a9c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5izl4cvf+3EO1K04UbqzM6aZwwUarVbQ3YjP40/v9L84e6YXlhl1MjxHUV4QwRWZv/80wW0NLP0K+rTeD1a1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:07:10.996334Z","bundle_sha256":"fb26baa9e1ad1717447ac242b421ced722e824405751e131e1acf3b496c1a234"}}