{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:S5F5LIOAEXGG2VHBAKVS4DAPC4","short_pith_number":"pith:S5F5LIOA","schema_version":"1.0","canonical_sha256":"974bd5a1c025cc6d54e102ab2e0c0f1734bb92e767fc40e704d8b0a3e74140f3","source":{"kind":"arxiv","id":"2409.16844","version":1},"attestation_state":"computed","paper":{"title":"Spectrophotometric reverberation mapping of Intermediate-mass black hole NGC 4395","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amitesh Omar, Amit Kumar Mandal, Archana Gupta, C. S. Stalin, Hojin Cho, Jincen Jose, Jong-Hak Woo, Krishan Chand, Priyanka Jalan, Shivangi Pandey, Suvendu Rakshit","submitted_at":"2024-09-25T11:51:21Z","abstract_excerpt":"Understanding the origins of massive black hole seeds and their co-evolution with their host galaxy requires studying intermediate-mass black holes (IMBHs) and estimating their mass. However, measuring the mass of these IMBHs is challenging due to the high spatial resolution requirement. A spectrophotometric reverberation monitoring is performed for a low-luminosity Seyfert 1 galaxy NGC 4395 to measure the size of the broad line region (BLR) and black hole mass. The data were collected using the 1.3-m Devasthal fast optical telescope (DFOT) and 3.6-m Devasthal optical telescope (DOT) at ARIES,"},"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":"2409.16844","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-09-25T11:51:21Z","cross_cats_sorted":[],"title_canon_sha256":"0c274a420448d619ce42477f8e4f069bc1eb6f501334feebe825d38629ed9ce6","abstract_canon_sha256":"cf7007eaf34f8b419b735a45d1c318af327ea53d550a8d166aaa8315aea46704"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:11:40.270752Z","signature_b64":"e6o2kn3n8bNWDG5aX8jAhxquXVz/DAw1eW84sjoG+6oXzZQj9/ZuowphZ2I8TMOL8KAhrOUtak/RMAkcRYnWCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"974bd5a1c025cc6d54e102ab2e0c0f1734bb92e767fc40e704d8b0a3e74140f3","last_reissued_at":"2026-07-05T09:11:40.270291Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:11:40.270291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectrophotometric reverberation mapping of Intermediate-mass black hole NGC 4395","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amitesh Omar, Amit Kumar Mandal, Archana Gupta, C. S. Stalin, Hojin Cho, Jincen Jose, Jong-Hak Woo, Krishan Chand, Priyanka Jalan, Shivangi Pandey, Suvendu Rakshit","submitted_at":"2024-09-25T11:51:21Z","abstract_excerpt":"Understanding the origins of massive black hole seeds and their co-evolution with their host galaxy requires studying intermediate-mass black holes (IMBHs) and estimating their mass. However, measuring the mass of these IMBHs is challenging due to the high spatial resolution requirement. A spectrophotometric reverberation monitoring is performed for a low-luminosity Seyfert 1 galaxy NGC 4395 to measure the size of the broad line region (BLR) and black hole mass. The data were collected using the 1.3-m Devasthal fast optical telescope (DFOT) and 3.6-m Devasthal optical telescope (DOT) at ARIES,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.16844","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/2409.16844/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":"2409.16844","created_at":"2026-07-05T09:11:40.270363+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.16844v1","created_at":"2026-07-05T09:11:40.270363+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.16844","created_at":"2026-07-05T09:11:40.270363+00:00"},{"alias_kind":"pith_short_12","alias_value":"S5F5LIOAEXGG","created_at":"2026-07-05T09:11:40.270363+00:00"},{"alias_kind":"pith_short_16","alias_value":"S5F5LIOAEXGG2VHB","created_at":"2026-07-05T09:11:40.270363+00:00"},{"alias_kind":"pith_short_8","alias_value":"S5F5LIOA","created_at":"2026-07-05T09:11:40.270363+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.03316","citing_title":"First Detection of Radio Emission from the Intermediate Mass Black Hole in POX 52: Deep Multi-Band Observations with ATCA and VLA","ref_index":46,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4","json":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4.json","graph_json":"https://pith.science/api/pith-number/S5F5LIOAEXGG2VHBAKVS4DAPC4/graph.json","events_json":"https://pith.science/api/pith-number/S5F5LIOAEXGG2VHBAKVS4DAPC4/events.json","paper":"https://pith.science/paper/S5F5LIOA"},"agent_actions":{"view_html":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4","download_json":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4.json","view_paper":"https://pith.science/paper/S5F5LIOA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.16844&json=true","fetch_graph":"https://pith.science/api/pith-number/S5F5LIOAEXGG2VHBAKVS4DAPC4/graph.json","fetch_events":"https://pith.science/api/pith-number/S5F5LIOAEXGG2VHBAKVS4DAPC4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4/action/storage_attestation","attest_author":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4/action/author_attestation","sign_citation":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4/action/citation_signature","submit_replication":"https://pith.science/pith/S5F5LIOAEXGG2VHBAKVS4DAPC4/action/replication_record"}},"created_at":"2026-07-05T09:11:40.270363+00:00","updated_at":"2026-07-05T09:11:40.270363+00:00"}