{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:K5ZD4I3SD6ZJ4HXLXK2PEE23TA","short_pith_number":"pith:K5ZD4I3S","canonical_record":{"source":{"id":"1808.03140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-09T13:19:31Z","cross_cats_sorted":[],"title_canon_sha256":"e5328ad6a0dd8dfa4821739599356f23d65afab74b8e1eda5936891cd9725f7d","abstract_canon_sha256":"4b8a947c1569314906ebfa68e7e8237cb347095f6e95f4ad10267741e397494f"},"schema_version":"1.0"},"canonical_sha256":"57723e23721fb29e1eebbab4f2135b98222fb7ece157200456152949f871013b","source":{"kind":"arxiv","id":"1808.03140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03140","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03140v1","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03140","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"K5ZD4I3SD6ZJ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K5ZD4I3SD6ZJ4HXL","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K5ZD4I3S","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:K5ZD4I3SD6ZJ4HXLXK2PEE23TA","target":"record","payload":{"canonical_record":{"source":{"id":"1808.03140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-09T13:19:31Z","cross_cats_sorted":[],"title_canon_sha256":"e5328ad6a0dd8dfa4821739599356f23d65afab74b8e1eda5936891cd9725f7d","abstract_canon_sha256":"4b8a947c1569314906ebfa68e7e8237cb347095f6e95f4ad10267741e397494f"},"schema_version":"1.0"},"canonical_sha256":"57723e23721fb29e1eebbab4f2135b98222fb7ece157200456152949f871013b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:05.611535Z","signature_b64":"TuU4Bz9brHbri2hB7yuMAIeD7OCJzaWq0krv7ZcnklAab2DFiMj7Xl0sWWIWIFm1VZa5ZHXjGt2sFwDEQIAxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57723e23721fb29e1eebbab4f2135b98222fb7ece157200456152949f871013b","last_reissued_at":"2026-05-18T00:07:05.610970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:05.610970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.03140","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":"2026-05-18T00:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eNRa+8UhvxPSNkgyQKn3SYHp2wfSAKmAYHhL08btEspwFeT9KuFmvklRy991rGV9BtH99XvPWMRw20G+2Zz4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:55:36.200740Z"},"content_sha256":"bd3fa3e88db628a851895042c3885aed63d7889d109f5b7874d0937d09841266","schema_version":"1.0","event_id":"sha256:bd3fa3e88db628a851895042c3885aed63d7889d109f5b7874d0937d09841266"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:K5ZD4I3SD6ZJ4HXLXK2PEE23TA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Narrow Absorption Lines Complex. II. Probing the Line-locking Signatures within the Trough-like Broad Absorption Line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Wei-Jian Lu, Ying-Ru Lin","submitted_at":"2018-08-09T13:19:31Z","abstract_excerpt":"In this paper, we report the line-locking phenomenon of the blended narrow absorption lines (NALs) within trough-like broad absorption lines (BALs) in quasar SDSS J021740.96--085447.9 (hereafter J0217--0854). Utilizing the two-epoch spectroscopic observations of J0217--0854 from the Sloan Digital Sky Survey, we find that each of its C\\,{\\footnotesize IV}, Si\\,{\\footnotesize IV}, N\\,{\\footnotesize V}, and Ly$\\alpha$ BAL troughs actually contain at least seven NAL systems. By splitting these BAL troughs into multiple NAL systems, we find that the velocity separations between the NAL systems are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03140","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":"2026-05-18T00:07:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"05HsPQZYFRud3a8KYrvyOldvII4mg99MABbxXtHJ7VNc1YEcu9zNU0S9xPLZbtrIlR6cyDxMx5OnHVIRUu6lAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:55:36.201112Z"},"content_sha256":"89e0bf66b3026616c5949aaef9da0785a862d33ba46a4b96ab608d71b863b3d7","schema_version":"1.0","event_id":"sha256:89e0bf66b3026616c5949aaef9da0785a862d33ba46a4b96ab608d71b863b3d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/bundle.json","state_url":"https://pith.science/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/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":"2026-05-31T06:55:36Z","links":{"resolver":"https://pith.science/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA","bundle":"https://pith.science/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/bundle.json","state":"https://pith.science/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K5ZD4I3SD6ZJ4HXLXK2PEE23TA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K5ZD4I3SD6ZJ4HXLXK2PEE23TA","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":"4b8a947c1569314906ebfa68e7e8237cb347095f6e95f4ad10267741e397494f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-09T13:19:31Z","title_canon_sha256":"e5328ad6a0dd8dfa4821739599356f23d65afab74b8e1eda5936891cd9725f7d"},"schema_version":"1.0","source":{"id":"1808.03140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03140","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03140v1","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03140","created_at":"2026-05-18T00:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"K5ZD4I3SD6ZJ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K5ZD4I3SD6ZJ4HXL","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K5ZD4I3S","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:89e0bf66b3026616c5949aaef9da0785a862d33ba46a4b96ab608d71b863b3d7","target":"graph","created_at":"2026-05-18T00:07:05Z","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":"In this paper, we report the line-locking phenomenon of the blended narrow absorption lines (NALs) within trough-like broad absorption lines (BALs) in quasar SDSS J021740.96--085447.9 (hereafter J0217--0854). Utilizing the two-epoch spectroscopic observations of J0217--0854 from the Sloan Digital Sky Survey, we find that each of its C\\,{\\footnotesize IV}, Si\\,{\\footnotesize IV}, N\\,{\\footnotesize V}, and Ly$\\alpha$ BAL troughs actually contain at least seven NAL systems. By splitting these BAL troughs into multiple NAL systems, we find that the velocity separations between the NAL systems are ","authors_text":"Wei-Jian Lu, Ying-Ru Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-09T13:19:31Z","title":"Narrow Absorption Lines Complex. II. Probing the Line-locking Signatures within the Trough-like Broad Absorption Line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03140","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:bd3fa3e88db628a851895042c3885aed63d7889d109f5b7874d0937d09841266","target":"record","created_at":"2026-05-18T00:07:05Z","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":"4b8a947c1569314906ebfa68e7e8237cb347095f6e95f4ad10267741e397494f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-09T13:19:31Z","title_canon_sha256":"e5328ad6a0dd8dfa4821739599356f23d65afab74b8e1eda5936891cd9725f7d"},"schema_version":"1.0","source":{"id":"1808.03140","kind":"arxiv","version":1}},"canonical_sha256":"57723e23721fb29e1eebbab4f2135b98222fb7ece157200456152949f871013b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57723e23721fb29e1eebbab4f2135b98222fb7ece157200456152949f871013b","first_computed_at":"2026-05-18T00:07:05.610970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:05.610970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TuU4Bz9brHbri2hB7yuMAIeD7OCJzaWq0krv7ZcnklAab2DFiMj7Xl0sWWIWIFm1VZa5ZHXjGt2sFwDEQIAxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:05.611535Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.03140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd3fa3e88db628a851895042c3885aed63d7889d109f5b7874d0937d09841266","sha256:89e0bf66b3026616c5949aaef9da0785a862d33ba46a4b96ab608d71b863b3d7"],"state_sha256":"2e5df68173f4941cf70e68fce3306c5428738cba244ec3ba69f1133f609e08ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYA7fYBQ5PGwDWLbPhnmCo7n0mSQg7R0AatclbqcKOJ/XLayFD2lkEs1uPJMNqxl+eapFhYW2rkbswYlaWAfDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T06:55:36.203749Z","bundle_sha256":"1d2131c479f5d013c013f35ae27820e8ff80c62a8f4619cd7775189260dc5294"}}