{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:HCQDX4YML3NOCFGQZPKNUMS2EJ","short_pith_number":"pith:HCQDX4YM","schema_version":"1.0","canonical_sha256":"38a03bf30c5edae114d0cbd4da325a227e32e6a391dab273cbb90e21631e04fe","source":{"kind":"arxiv","id":"2209.08969","version":1},"attestation_state":"computed","paper":{"title":"Correlated variability of the reflection fraction with the X-ray flux and spectral index for Mkn 478","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Biman J Medhi, Oluwashina Adegoke, Ranjeev Misra, Samuzal Barua, V. Jithesh","submitted_at":"2022-09-19T12:37:08Z","abstract_excerpt":"The X-ray spectrum of Mkn 478 is known to be dominated by a strong soft excess which can be described using relativistic blurred reflection. Using observations from {\\it XMM-Newton}, {\\it AstroSat} and {\\it Swift}, we show that for the long-term ($\\sim$ years) and intermediate-term (days to months) variability, the reflection fraction is anti-correlated with the flux and spectral index, which implies that the variability is due to the hard X-ray producing corona moving closer to and further from the black hole. Using flux-resolved spectroscopy of the {\\it XMM-Newton} data, we show that the ref"},"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":"2209.08969","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-09-19T12:37:08Z","cross_cats_sorted":[],"title_canon_sha256":"698ca164c5edf975998ca43eada3fc1691eb6261a7b52b7330bef3f74f417cda","abstract_canon_sha256":"db43f866499919eba99f567a49f1518eee2e00c7d086b986d6c7cedb3bce68d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:22:49.012441Z","signature_b64":"KvxkudgFztM9S+3olTQT6U1JN+LD/8GjCyMjDg/Pq5NQYfUEXwlQ9aFft2diheuaJvh+EWN4bAGQKVDZHXoxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38a03bf30c5edae114d0cbd4da325a227e32e6a391dab273cbb90e21631e04fe","last_reissued_at":"2026-07-05T07:22:49.011963Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:22:49.011963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Correlated variability of the reflection fraction with the X-ray flux and spectral index for Mkn 478","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Biman J Medhi, Oluwashina Adegoke, Ranjeev Misra, Samuzal Barua, V. Jithesh","submitted_at":"2022-09-19T12:37:08Z","abstract_excerpt":"The X-ray spectrum of Mkn 478 is known to be dominated by a strong soft excess which can be described using relativistic blurred reflection. Using observations from {\\it XMM-Newton}, {\\it AstroSat} and {\\it Swift}, we show that for the long-term ($\\sim$ years) and intermediate-term (days to months) variability, the reflection fraction is anti-correlated with the flux and spectral index, which implies that the variability is due to the hard X-ray producing corona moving closer to and further from the black hole. Using flux-resolved spectroscopy of the {\\it XMM-Newton} data, we show that the ref"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.08969","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2209.08969/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2209.08969","created_at":"2026-07-05T07:22:49.012023+00:00"},{"alias_kind":"arxiv_version","alias_value":"2209.08969v1","created_at":"2026-07-05T07:22:49.012023+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.08969","created_at":"2026-07-05T07:22:49.012023+00:00"},{"alias_kind":"pith_short_12","alias_value":"HCQDX4YML3NO","created_at":"2026-07-05T07:22:49.012023+00:00"},{"alias_kind":"pith_short_16","alias_value":"HCQDX4YML3NOCFGQ","created_at":"2026-07-05T07:22:49.012023+00:00"},{"alias_kind":"pith_short_8","alias_value":"HCQDX4YM","created_at":"2026-07-05T07:22:49.012023+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/HCQDX4YML3NOCFGQZPKNUMS2EJ","json":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ.json","graph_json":"https://pith.science/api/pith-number/HCQDX4YML3NOCFGQZPKNUMS2EJ/graph.json","events_json":"https://pith.science/api/pith-number/HCQDX4YML3NOCFGQZPKNUMS2EJ/events.json","paper":"https://pith.science/paper/HCQDX4YM"},"agent_actions":{"view_html":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ","download_json":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ.json","view_paper":"https://pith.science/paper/HCQDX4YM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2209.08969&json=true","fetch_graph":"https://pith.science/api/pith-number/HCQDX4YML3NOCFGQZPKNUMS2EJ/graph.json","fetch_events":"https://pith.science/api/pith-number/HCQDX4YML3NOCFGQZPKNUMS2EJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ/action/storage_attestation","attest_author":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ/action/author_attestation","sign_citation":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ/action/citation_signature","submit_replication":"https://pith.science/pith/HCQDX4YML3NOCFGQZPKNUMS2EJ/action/replication_record"}},"created_at":"2026-07-05T07:22:49.012023+00:00","updated_at":"2026-07-05T07:22:49.012023+00:00"}