{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:O4GRDY7BLIQCXVM3HQUPLN5W4W","short_pith_number":"pith:O4GRDY7B","schema_version":"1.0","canonical_sha256":"770d11e3e15a202bd59b3c28f5b7b6e592e5f63b8d31fb7e7dc1286d39d70987","source":{"kind":"arxiv","id":"2504.19897","version":2},"attestation_state":"computed","paper":{"title":"The Dust Echo Emission of Fast Blue Optical Transients and Application to the Near-Infrared Excess of AT 2018cow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Jing-Yao Li, Liang-Duan Liu, Ming-Yan Xiao, Yun-Wei Yu","submitted_at":"2025-04-28T15:28:44Z","abstract_excerpt":"A near-infrared (NIR) excess has been discovered in the emission of the representative fast blue optical transient (FBOT): AT 2018cow. It was suggested that this NIR excess could be emitted by the dust surrounding the source and, thus, could provide a probe into the nature of its progenitor. We develop a model to describe the influence of the FBOT emission on the environmental dust and, as a result, a dust-free evaporation cavity can be formed on a timescale of one day. Outside this cavity, the surviving dust grains can have different size distributions at different distances to the source. Wi"},"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":"2504.19897","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-28T15:28:44Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7c7066cba45c2978d4731ccadce0a2497822c8b5abbef42c02d67159aeab3a73","abstract_canon_sha256":"9685d2e40cd70041c62a5c0efb5d6cc903ec7343c953ba4b24544c71c8833ce9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:05:42.743029Z","signature_b64":"oY4pUEppdcAKqv4lUSKTUj6SKgTA4kINjld4h3C0dslA4GKzxCwe++TSU0ewiQacldJDcsYh2OdXpse+evYzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"770d11e3e15a202bd59b3c28f5b7b6e592e5f63b8d31fb7e7dc1286d39d70987","last_reissued_at":"2026-07-05T12:05:42.742267Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:05:42.742267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Dust Echo Emission of Fast Blue Optical Transients and Application to the Near-Infrared Excess of AT 2018cow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Jing-Yao Li, Liang-Duan Liu, Ming-Yan Xiao, Yun-Wei Yu","submitted_at":"2025-04-28T15:28:44Z","abstract_excerpt":"A near-infrared (NIR) excess has been discovered in the emission of the representative fast blue optical transient (FBOT): AT 2018cow. It was suggested that this NIR excess could be emitted by the dust surrounding the source and, thus, could provide a probe into the nature of its progenitor. We develop a model to describe the influence of the FBOT emission on the environmental dust and, as a result, a dust-free evaporation cavity can be formed on a timescale of one day. Outside this cavity, the surviving dust grains can have different size distributions at different distances to the source. Wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.19897","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/2504.19897/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":"2504.19897","created_at":"2026-07-05T12:05:42.742378+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.19897v2","created_at":"2026-07-05T12:05:42.742378+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.19897","created_at":"2026-07-05T12:05:42.742378+00:00"},{"alias_kind":"pith_short_12","alias_value":"O4GRDY7BLIQC","created_at":"2026-07-05T12:05:42.742378+00:00"},{"alias_kind":"pith_short_16","alias_value":"O4GRDY7BLIQCXVM3","created_at":"2026-07-05T12:05:42.742378+00:00"},{"alias_kind":"pith_short_8","alias_value":"O4GRDY7B","created_at":"2026-07-05T12:05:42.742378+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.00951","citing_title":"The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the Ultraviolet to the Near-Infrared","ref_index":64,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W","json":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W.json","graph_json":"https://pith.science/api/pith-number/O4GRDY7BLIQCXVM3HQUPLN5W4W/graph.json","events_json":"https://pith.science/api/pith-number/O4GRDY7BLIQCXVM3HQUPLN5W4W/events.json","paper":"https://pith.science/paper/O4GRDY7B"},"agent_actions":{"view_html":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W","download_json":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W.json","view_paper":"https://pith.science/paper/O4GRDY7B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.19897&json=true","fetch_graph":"https://pith.science/api/pith-number/O4GRDY7BLIQCXVM3HQUPLN5W4W/graph.json","fetch_events":"https://pith.science/api/pith-number/O4GRDY7BLIQCXVM3HQUPLN5W4W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W/action/storage_attestation","attest_author":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W/action/author_attestation","sign_citation":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W/action/citation_signature","submit_replication":"https://pith.science/pith/O4GRDY7BLIQCXVM3HQUPLN5W4W/action/replication_record"}},"created_at":"2026-07-05T12:05:42.742378+00:00","updated_at":"2026-07-05T12:05:42.742378+00:00"}