{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:MA644L3DLBKNFPICRPEA5IXVH4","short_pith_number":"pith:MA644L3D","schema_version":"1.0","canonical_sha256":"603dce2f635854d2bd028bc80ea2f53f2a54c85dbddbfb8829adf1ee05dccc75","source":{"kind":"arxiv","id":"2506.16148","version":1},"attestation_state":"computed","paper":{"title":"Progenitor Insights of Type IIP SN 2018pq: A Comprehensive Photometric and Spectroscopic Study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Ajay Kumar Singh, Bhavya Ailawadhi, Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, G\\'eza Cs\\\"ornyei, Griffin Hossienzadeh, Iair Arcavi, K. Azalee Bostroem, Kuntal Misra, Monalisa Dubey, Naveen Dukiya, Raya Dastidar","submitted_at":"2025-06-19T09:02:22Z","abstract_excerpt":"We present high-cadence photometric and low-resolution (R $\\sim$ 400--700) optical spectroscopic observations of Type IIP supernova, SN~2018pq, which exploded on the outskirts of the galaxy IC~3896A. The optically thick phase (``plateau'') lasts approximately 97 d, the plateau duration of normal Type IIP supernovae. SN~2018pq has a {\\em V}-band absolute magnitude of $-16.42 \\pm 0.01$ mag at 50 d, resembles normal-luminous supernova, and the V-band decline rate of 0.42$\\pm$0.06 mag 50 d$^{-1}$ during the plateau phase. A steeper decline rate of 11.87$\\pm$1.68 mag 100 d$^{-1}$ was observed compa"},"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":"2506.16148","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-19T09:02:22Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"be4150db80474cf335c8ecbb80767c27232378b8a70e584f267012553c07f5a0","abstract_canon_sha256":"2d623f5e670b0370ceb2f3d8fe498522b3f92077d2dff4b66a96a1921d09cc7b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:24:31.460434Z","signature_b64":"XVY03afDEqy58EBgk/Lb84r7T1NBQgRmiYMAZqlwaO0ALyTMn/zA0Wjy6YPf6W+i9BlndUQ7e9m8ayIdvqtjDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"603dce2f635854d2bd028bc80ea2f53f2a54c85dbddbfb8829adf1ee05dccc75","last_reissued_at":"2026-07-05T11:24:31.459887Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:24:31.459887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Progenitor Insights of Type IIP SN 2018pq: A Comprehensive Photometric and Spectroscopic Study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Ajay Kumar Singh, Bhavya Ailawadhi, Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, G\\'eza Cs\\\"ornyei, Griffin Hossienzadeh, Iair Arcavi, K. Azalee Bostroem, Kuntal Misra, Monalisa Dubey, Naveen Dukiya, Raya Dastidar","submitted_at":"2025-06-19T09:02:22Z","abstract_excerpt":"We present high-cadence photometric and low-resolution (R $\\sim$ 400--700) optical spectroscopic observations of Type IIP supernova, SN~2018pq, which exploded on the outskirts of the galaxy IC~3896A. The optically thick phase (``plateau'') lasts approximately 97 d, the plateau duration of normal Type IIP supernovae. SN~2018pq has a {\\em V}-band absolute magnitude of $-16.42 \\pm 0.01$ mag at 50 d, resembles normal-luminous supernova, and the V-band decline rate of 0.42$\\pm$0.06 mag 50 d$^{-1}$ during the plateau phase. A steeper decline rate of 11.87$\\pm$1.68 mag 100 d$^{-1}$ was observed compa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.16148","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/2506.16148/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":"2506.16148","created_at":"2026-07-05T11:24:31.459957+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.16148v1","created_at":"2026-07-05T11:24:31.459957+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.16148","created_at":"2026-07-05T11:24:31.459957+00:00"},{"alias_kind":"pith_short_12","alias_value":"MA644L3DLBKN","created_at":"2026-07-05T11:24:31.459957+00:00"},{"alias_kind":"pith_short_16","alias_value":"MA644L3DLBKNFPIC","created_at":"2026-07-05T11:24:31.459957+00:00"},{"alias_kind":"pith_short_8","alias_value":"MA644L3D","created_at":"2026-07-05T11:24:31.459957+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/MA644L3DLBKNFPICRPEA5IXVH4","json":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4.json","graph_json":"https://pith.science/api/pith-number/MA644L3DLBKNFPICRPEA5IXVH4/graph.json","events_json":"https://pith.science/api/pith-number/MA644L3DLBKNFPICRPEA5IXVH4/events.json","paper":"https://pith.science/paper/MA644L3D"},"agent_actions":{"view_html":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4","download_json":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4.json","view_paper":"https://pith.science/paper/MA644L3D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.16148&json=true","fetch_graph":"https://pith.science/api/pith-number/MA644L3DLBKNFPICRPEA5IXVH4/graph.json","fetch_events":"https://pith.science/api/pith-number/MA644L3DLBKNFPICRPEA5IXVH4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4/action/storage_attestation","attest_author":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4/action/author_attestation","sign_citation":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4/action/citation_signature","submit_replication":"https://pith.science/pith/MA644L3DLBKNFPICRPEA5IXVH4/action/replication_record"}},"created_at":"2026-07-05T11:24:31.459957+00:00","updated_at":"2026-07-05T11:24:31.459957+00:00"}