{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:ZTORAOSIARX3376UF5QEQEJTMD","short_pith_number":"pith:ZTORAOSI","schema_version":"1.0","canonical_sha256":"ccdd103a48046fbdffd42f6048113360d60f0b9ec89e63701449338d2a9083ce","source":{"kind":"arxiv","id":"1403.1693","version":1},"attestation_state":"computed","paper":{"title":"A New Method for Measuring Extragalactic Distances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"B. A. Peterson, S. Koshida, T. Minezaki, Y. Kobayashi, Y. Yoshii","submitted_at":"2014-03-07T09:23:31Z","abstract_excerpt":"We have pioneered a new method for the measurement of extragalactic distances. This method uses the time-lag between variations in the short wavelength and long wavelength light from an active galactic nucleus (AGN), based on a quantitative physical model of dust reverberation that relates the time-lag to the absolute luminosity of the AGN. We use the large homogeneous data set from intensive monitoring observations in optical and near-infrared wavelength bands with the dedicated 2-m MAGNUM telescope to obtain the distances to 17 AGNs in the redshift range z=0.0024 to z=0.0353. These distance "},"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":"1403.1693","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-03-07T09:23:31Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ebbff65eaeef9bb2aaeec7ca4cc0c79b3d9c5abaf1cf6477a4114907c553a874","abstract_canon_sha256":"b75a52e2fede36dcd881b66d595067577f854592f7ef0bc0d71e35634099fe57"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:18.525919Z","signature_b64":"4xxwF7x0QzNXyMjNRJaSYgVpzKwE3d+3JOBhAjYbXxdteMnES9i8oZkepDF2WDIuto4fEI/BG0BZpg7ipbpdDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccdd103a48046fbdffd42f6048113360d60f0b9ec89e63701449338d2a9083ce","last_reissued_at":"2026-05-18T01:44:18.525173Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:18.525173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A New Method for Measuring Extragalactic Distances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"B. A. Peterson, S. Koshida, T. Minezaki, Y. Kobayashi, Y. Yoshii","submitted_at":"2014-03-07T09:23:31Z","abstract_excerpt":"We have pioneered a new method for the measurement of extragalactic distances. This method uses the time-lag between variations in the short wavelength and long wavelength light from an active galactic nucleus (AGN), based on a quantitative physical model of dust reverberation that relates the time-lag to the absolute luminosity of the AGN. We use the large homogeneous data set from intensive monitoring observations in optical and near-infrared wavelength bands with the dedicated 2-m MAGNUM telescope to obtain the distances to 17 AGNs in the redshift range z=0.0024 to z=0.0353. These distance "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.1693","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":"1403.1693","created_at":"2026-05-18T01:44:18.525277+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.1693v1","created_at":"2026-05-18T01:44:18.525277+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.1693","created_at":"2026-05-18T01:44:18.525277+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZTORAOSIARX3","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZTORAOSIARX3376U","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZTORAOSI","created_at":"2026-05-18T12:28:59.999130+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/ZTORAOSIARX3376UF5QEQEJTMD","json":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD.json","graph_json":"https://pith.science/api/pith-number/ZTORAOSIARX3376UF5QEQEJTMD/graph.json","events_json":"https://pith.science/api/pith-number/ZTORAOSIARX3376UF5QEQEJTMD/events.json","paper":"https://pith.science/paper/ZTORAOSI"},"agent_actions":{"view_html":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD","download_json":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD.json","view_paper":"https://pith.science/paper/ZTORAOSI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.1693&json=true","fetch_graph":"https://pith.science/api/pith-number/ZTORAOSIARX3376UF5QEQEJTMD/graph.json","fetch_events":"https://pith.science/api/pith-number/ZTORAOSIARX3376UF5QEQEJTMD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD/action/storage_attestation","attest_author":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD/action/author_attestation","sign_citation":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD/action/citation_signature","submit_replication":"https://pith.science/pith/ZTORAOSIARX3376UF5QEQEJTMD/action/replication_record"}},"created_at":"2026-05-18T01:44:18.525277+00:00","updated_at":"2026-05-18T01:44:18.525277+00:00"}