{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:OPF7F67IEVU5SFOC734DUOVPB4","short_pith_number":"pith:OPF7F67I","schema_version":"1.0","canonical_sha256":"73cbf2fbe82569d915c2fef83a3aaf0f2a3d0906a584ad30de22ca2e74626622","source":{"kind":"arxiv","id":"2503.24266","version":1},"attestation_state":"computed","paper":{"title":"EP240414a: Off-axis View of a Jet-Cocoon System from an Expanded Progenitor Star","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bing Zhang, Jian-He Zheng, Jin-Ping Zhu, Wenbin Lu","submitted_at":"2025-03-31T16:12:46Z","abstract_excerpt":"When a relativistic jet is launched following the core-collapse of a star, its interaction with the stellar envelope leads to the formation of a hot cocoon, which produces various viewing-angle-dependent observational phenomena following the breakout from the surface. We study the observational signatures of fast X-ray transient (FXT) EP240414a, which may originate from a jet-cocoon system viewed slightly off-axis. In our model, (1) the prompt X-ray emission lasting $\\sim\\! 100\\,{\\rm{s}}$ is attributed to the cooling emission from the inner cocoon (shocked jet material); (2) the $\\sim\\! 0.1\\,{"},"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":"2503.24266","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-31T16:12:46Z","cross_cats_sorted":[],"title_canon_sha256":"c2bd059531d7b79a96da3554f8fa16577ac76c57815dc5caaf76fb3b2471c819","abstract_canon_sha256":"708b4ddc13efa9bef7731b9c0b7602bd9842b0efd41905ac2f3768cc8deda546"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:03:22.886712Z","signature_b64":"GtBIpZ7oHyNsuv/+etrq/dxeBsUOpcvjhkVR6h5bDvaoO0mSWeh2O6Wb7pVqS9JJo6xcad5mwf7TaRWfe0kmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73cbf2fbe82569d915c2fef83a3aaf0f2a3d0906a584ad30de22ca2e74626622","last_reissued_at":"2026-07-05T11:03:22.886213Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:03:22.886213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"EP240414a: Off-axis View of a Jet-Cocoon System from an Expanded Progenitor Star","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Bing Zhang, Jian-He Zheng, Jin-Ping Zhu, Wenbin Lu","submitted_at":"2025-03-31T16:12:46Z","abstract_excerpt":"When a relativistic jet is launched following the core-collapse of a star, its interaction with the stellar envelope leads to the formation of a hot cocoon, which produces various viewing-angle-dependent observational phenomena following the breakout from the surface. We study the observational signatures of fast X-ray transient (FXT) EP240414a, which may originate from a jet-cocoon system viewed slightly off-axis. In our model, (1) the prompt X-ray emission lasting $\\sim\\! 100\\,{\\rm{s}}$ is attributed to the cooling emission from the inner cocoon (shocked jet material); (2) the $\\sim\\! 0.1\\,{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.24266","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/2503.24266/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":"2503.24266","created_at":"2026-07-05T11:03:22.886271+00:00"},{"alias_kind":"arxiv_version","alias_value":"2503.24266v1","created_at":"2026-07-05T11:03:22.886271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.24266","created_at":"2026-07-05T11:03:22.886271+00:00"},{"alias_kind":"pith_short_12","alias_value":"OPF7F67IEVU5","created_at":"2026-07-05T11:03:22.886271+00:00"},{"alias_kind":"pith_short_16","alias_value":"OPF7F67IEVU5SFOC","created_at":"2026-07-05T11:03:22.886271+00:00"},{"alias_kind":"pith_short_8","alias_value":"OPF7F67I","created_at":"2026-07-05T11:03:22.886271+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08090","citing_title":"Multi-wavelength Constraints on the Transient EP250905a","ref_index":167,"is_internal_anchor":true},{"citing_arxiv_id":"2606.10009","citing_title":"Decadal pre-explosion activity and circumstellar interaction in a supernova","ref_index":33,"is_internal_anchor":false},{"citing_arxiv_id":"2606.10014","citing_title":"X-rays breaking out of pre-explosion ejecta mark a supernova's first light","ref_index":44,"is_internal_anchor":false},{"citing_arxiv_id":"2606.04585","citing_title":"Earliest simultaneous multi-color optical observations of GRB 230328B: from 41 seconds to the host-galaxy identification","ref_index":95,"is_internal_anchor":false},{"citing_arxiv_id":"2606.17170","citing_title":"Discovery of a Supernova Following the Einstein Probe Transient EP250302a at z = 1.131","ref_index":147,"is_internal_anchor":false},{"citing_arxiv_id":"2512.10239","citing_title":"EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction","ref_index":255,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4","json":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4.json","graph_json":"https://pith.science/api/pith-number/OPF7F67IEVU5SFOC734DUOVPB4/graph.json","events_json":"https://pith.science/api/pith-number/OPF7F67IEVU5SFOC734DUOVPB4/events.json","paper":"https://pith.science/paper/OPF7F67I"},"agent_actions":{"view_html":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4","download_json":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4.json","view_paper":"https://pith.science/paper/OPF7F67I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2503.24266&json=true","fetch_graph":"https://pith.science/api/pith-number/OPF7F67IEVU5SFOC734DUOVPB4/graph.json","fetch_events":"https://pith.science/api/pith-number/OPF7F67IEVU5SFOC734DUOVPB4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4/action/storage_attestation","attest_author":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4/action/author_attestation","sign_citation":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4/action/citation_signature","submit_replication":"https://pith.science/pith/OPF7F67IEVU5SFOC734DUOVPB4/action/replication_record"}},"created_at":"2026-07-05T11:03:22.886271+00:00","updated_at":"2026-07-05T11:03:22.886271+00:00"}