{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:LHJRMMU7Q5HOSD46PKDUNKMV3G","short_pith_number":"pith:LHJRMMU7","schema_version":"1.0","canonical_sha256":"59d316329f874ee90f9e7a8746a995d9a00cdbaa85eaafb03793bdd878598e62","source":{"kind":"arxiv","id":"1003.5700","version":1},"attestation_state":"computed","paper":{"title":"Long-Term Profile Variability in Active Galactic Nuclei with Double-Peaked Balmer Emission Lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Karen T. Lewis, Michael Eracleous, Thaisa Storchi-Bergmann","submitted_at":"2010-03-29T23:29:25Z","abstract_excerpt":"An increasing number of Active Galactic Nuclei (AGNs) exhibit broad, double-peaked Balmer emission lines,which represent some of the best evidence for the existence of relatively large-scale accretion disks in AGNs.  A set of 20 double-peaked emitters have been monitored for nearly a decade in order to observe long-term variations in the profiles of the double-peaked Balmer lines. Variations generally occur on timescales of years, and are attributed to physical changes in the accretion disk. Here we characterize the variability of a subset of seven double-peaked emitters in a model independent"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1003.5700","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-29T23:29:25Z","cross_cats_sorted":[],"title_canon_sha256":"b346f526fe1efc109571cb7277ffa722b9e3ac1c31f8fb245d8f2b6ecdef89f4","abstract_canon_sha256":"6b2dce1d9bf377d1eba2fb57d7980797e77c70ae067161e7cb01751cff7e3e37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:15.940032Z","signature_b64":"jq+QFZXzikeSdt+o3RoCjnYBteDHjXARRQWLpcTMlukQ6xQfNVDj/tm8BJF8OOgv1V9boqUSEM3MSROsCHgcAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59d316329f874ee90f9e7a8746a995d9a00cdbaa85eaafb03793bdd878598e62","last_reissued_at":"2026-05-18T02:08:15.939546Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:15.939546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Long-Term Profile Variability in Active Galactic Nuclei with Double-Peaked Balmer Emission Lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Karen T. Lewis, Michael Eracleous, Thaisa Storchi-Bergmann","submitted_at":"2010-03-29T23:29:25Z","abstract_excerpt":"An increasing number of Active Galactic Nuclei (AGNs) exhibit broad, double-peaked Balmer emission lines,which represent some of the best evidence for the existence of relatively large-scale accretion disks in AGNs.  A set of 20 double-peaked emitters have been monitored for nearly a decade in order to observe long-term variations in the profiles of the double-peaked Balmer lines. Variations generally occur on timescales of years, and are attributed to physical changes in the accretion disk. Here we characterize the variability of a subset of seven double-peaked emitters in a model independent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.5700","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1003.5700","created_at":"2026-05-18T02:08:15.939626+00:00"},{"alias_kind":"arxiv_version","alias_value":"1003.5700v1","created_at":"2026-05-18T02:08:15.939626+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.5700","created_at":"2026-05-18T02:08:15.939626+00:00"},{"alias_kind":"pith_short_12","alias_value":"LHJRMMU7Q5HO","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"LHJRMMU7Q5HOSD46","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"LHJRMMU7","created_at":"2026-05-18T12:26:10.704358+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G","json":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G.json","graph_json":"https://pith.science/api/pith-number/LHJRMMU7Q5HOSD46PKDUNKMV3G/graph.json","events_json":"https://pith.science/api/pith-number/LHJRMMU7Q5HOSD46PKDUNKMV3G/events.json","paper":"https://pith.science/paper/LHJRMMU7"},"agent_actions":{"view_html":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G","download_json":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G.json","view_paper":"https://pith.science/paper/LHJRMMU7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1003.5700&json=true","fetch_graph":"https://pith.science/api/pith-number/LHJRMMU7Q5HOSD46PKDUNKMV3G/graph.json","fetch_events":"https://pith.science/api/pith-number/LHJRMMU7Q5HOSD46PKDUNKMV3G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G/action/storage_attestation","attest_author":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G/action/author_attestation","sign_citation":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G/action/citation_signature","submit_replication":"https://pith.science/pith/LHJRMMU7Q5HOSD46PKDUNKMV3G/action/replication_record"}},"created_at":"2026-05-18T02:08:15.939626+00:00","updated_at":"2026-05-18T02:08:15.939626+00:00"}