{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:TVLO7MKMQ4CKLMIL5BETBYP35Q","short_pith_number":"pith:TVLO7MKM","schema_version":"1.0","canonical_sha256":"9d56efb14c8704a5b10be84930e1fbec1703552c98539c6d6601abab307c3120","source":{"kind":"arxiv","id":"2308.00638","version":2},"attestation_state":"computed","paper":{"title":"A lanthanide-rich kilonova in the aftermath of a long gamma-ray burst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alberto J. Castro-Tirado, Alexander Kutyrev, Brendan O'Connor, Charles D. Kilpatrick, Chris L. Fryer, Chung-Uk Lee, Cl\\'ecio R. De Bom, Eleonora Troja, Felipe Navarete, Geoffrey Ryan, Gregory S. H. Paek, Hendrik van Eerten, Hyeonho Choi, Ignacio P\\'erez-Garc\\'ia, James H. Gillanders, Joe Durbak, Kishalay De, Mankeun Jeong, Martin Makler, Myungshin Im, Roberto Ricci, Seo-Won Chang, Simone Dichiara, Youdong Hu, Yu-Han Yang, Zi-Gao Dai, Zong-Kai Peng","submitted_at":"2023-08-01T16:12:20Z","abstract_excerpt":"Kilonovae are a rare class of astrophysical transients powered by the radioactive decay of nuclei heavier than iron, synthesized in the merger of two compact objects. Over the first few days, the kilonova evolution is dominated by a large number of radioactive isotopes contributing to the heating rate. On timescales of weeks to months, its behavior is predicted to differ depending on the ejecta composition and merger remnant. However, late-time observations of known kilonovae are either missing or limited. Here we report observations of a luminous red transient with a quasi-thermal spectrum, f"},"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":"2308.00638","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-08-01T16:12:20Z","cross_cats_sorted":[],"title_canon_sha256":"e424ca24cf6e70c7e36d1200c2c8d7aa2582bcdd4acfc587aa4ab61cebcd617b","abstract_canon_sha256":"30f8bd2e18a4e26d8b974cbfb7ddef7d16c5f29a2267349d04200a31361ddd72"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:37:04.935967Z","signature_b64":"BGm7hH9fh0sducNnQVck1icMDpJ9GcnRJMycwbSWVsuwFxFC0Dq0yxBoUyg908JF9tU78Zb3WayIP7q1EqaWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d56efb14c8704a5b10be84930e1fbec1703552c98539c6d6601abab307c3120","last_reissued_at":"2026-07-05T06:37:04.935494Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:37:04.935494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A lanthanide-rich kilonova in the aftermath of a long gamma-ray burst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alberto J. Castro-Tirado, Alexander Kutyrev, Brendan O'Connor, Charles D. Kilpatrick, Chris L. Fryer, Chung-Uk Lee, Cl\\'ecio R. De Bom, Eleonora Troja, Felipe Navarete, Geoffrey Ryan, Gregory S. H. Paek, Hendrik van Eerten, Hyeonho Choi, Ignacio P\\'erez-Garc\\'ia, James H. Gillanders, Joe Durbak, Kishalay De, Mankeun Jeong, Martin Makler, Myungshin Im, Roberto Ricci, Seo-Won Chang, Simone Dichiara, Youdong Hu, Yu-Han Yang, Zi-Gao Dai, Zong-Kai Peng","submitted_at":"2023-08-01T16:12:20Z","abstract_excerpt":"Kilonovae are a rare class of astrophysical transients powered by the radioactive decay of nuclei heavier than iron, synthesized in the merger of two compact objects. Over the first few days, the kilonova evolution is dominated by a large number of radioactive isotopes contributing to the heating rate. On timescales of weeks to months, its behavior is predicted to differ depending on the ejecta composition and merger remnant. However, late-time observations of known kilonovae are either missing or limited. Here we report observations of a luminous red transient with a quasi-thermal spectrum, f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.00638","kind":"arxiv","version":2},"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/2308.00638/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":"2308.00638","created_at":"2026-07-05T06:37:04.935553+00:00"},{"alias_kind":"arxiv_version","alias_value":"2308.00638v2","created_at":"2026-07-05T06:37:04.935553+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.00638","created_at":"2026-07-05T06:37:04.935553+00:00"},{"alias_kind":"pith_short_12","alias_value":"TVLO7MKMQ4CK","created_at":"2026-07-05T06:37:04.935553+00:00"},{"alias_kind":"pith_short_16","alias_value":"TVLO7MKMQ4CKLMIL","created_at":"2026-07-05T06:37:04.935553+00:00"},{"alias_kind":"pith_short_8","alias_value":"TVLO7MKM","created_at":"2026-07-05T06:37:04.935553+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2602.05169","citing_title":"Searching for gravitational waves from compact binary mergers powering long gamma-ray bursts during LIGO-Virgo-KAGRA's O3 run","ref_index":69,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q","json":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q.json","graph_json":"https://pith.science/api/pith-number/TVLO7MKMQ4CKLMIL5BETBYP35Q/graph.json","events_json":"https://pith.science/api/pith-number/TVLO7MKMQ4CKLMIL5BETBYP35Q/events.json","paper":"https://pith.science/paper/TVLO7MKM"},"agent_actions":{"view_html":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q","download_json":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q.json","view_paper":"https://pith.science/paper/TVLO7MKM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2308.00638&json=true","fetch_graph":"https://pith.science/api/pith-number/TVLO7MKMQ4CKLMIL5BETBYP35Q/graph.json","fetch_events":"https://pith.science/api/pith-number/TVLO7MKMQ4CKLMIL5BETBYP35Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q/action/storage_attestation","attest_author":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q/action/author_attestation","sign_citation":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q/action/citation_signature","submit_replication":"https://pith.science/pith/TVLO7MKMQ4CKLMIL5BETBYP35Q/action/replication_record"}},"created_at":"2026-07-05T06:37:04.935553+00:00","updated_at":"2026-07-05T06:37:04.935553+00:00"}