{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DMWPFS2OO5DAMUJAOOF4AXXCQG","short_pith_number":"pith:DMWPFS2O","schema_version":"1.0","canonical_sha256":"1b2cf2cb4e7746065120738bc05ee281981bcbf1b4a9d65319a08db90a3a8302","source":{"kind":"arxiv","id":"1506.02359","version":3},"attestation_state":"computed","paper":{"title":"X-raying extended emission and rapid decay of short gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Asuka Toyanago, Daisuke Yonetoku, Kazumi Kashiyama, Keitaro Takahashi, Kunihito Ioka, Takashi Nakamura, Tatsuya Sawano, Yasuaki Kagawa","submitted_at":"2015-06-08T06:18:25Z","abstract_excerpt":"Extended emission is a mystery in short gamma-ray bursts (SGRBs). By making time resolved spectral analyses of brightest nine events observed by ${\\it Swift}$ XRT, we obviously classify the early X-ray emission of SGRBs into two types. One is the extended emission with exponentially rapid decay, which shows significant spectral softening during hundreds seconds since the SGRB trigger and is also detected by ${\\it Swift}$-BAT. The other is a dim afterglow only showing power-law decay over $10^4$ s. The correlations between the temporal decay and spectral indices of the extended emissions are in"},"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":"1506.02359","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-08T06:18:25Z","cross_cats_sorted":[],"title_canon_sha256":"d5622f8d6fe7b379b15b29c5bd2b58d58948f2187d94e3cec5af8b9d5964f2a7","abstract_canon_sha256":"7248bcaffc153356c8f28758fa7df263f26ccd43e8609393aeaf49f2f3470cf8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:55.249528Z","signature_b64":"XDZg8LBloXCX0jvAjwNiId7jIn41vnTYIZKPuFo3qXRXQGto+ZJVqsyYuYP4feHWNssh8RGGL1Scjyq/D5O5DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b2cf2cb4e7746065120738bc05ee281981bcbf1b4a9d65319a08db90a3a8302","last_reissued_at":"2026-05-18T01:25:55.248880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:55.248880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-raying extended emission and rapid decay of short gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Asuka Toyanago, Daisuke Yonetoku, Kazumi Kashiyama, Keitaro Takahashi, Kunihito Ioka, Takashi Nakamura, Tatsuya Sawano, Yasuaki Kagawa","submitted_at":"2015-06-08T06:18:25Z","abstract_excerpt":"Extended emission is a mystery in short gamma-ray bursts (SGRBs). By making time resolved spectral analyses of brightest nine events observed by ${\\it Swift}$ XRT, we obviously classify the early X-ray emission of SGRBs into two types. One is the extended emission with exponentially rapid decay, which shows significant spectral softening during hundreds seconds since the SGRB trigger and is also detected by ${\\it Swift}$-BAT. The other is a dim afterglow only showing power-law decay over $10^4$ s. The correlations between the temporal decay and spectral indices of the extended emissions are in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02359","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1506.02359","created_at":"2026-05-18T01:25:55.248972+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.02359v3","created_at":"2026-05-18T01:25:55.248972+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02359","created_at":"2026-05-18T01:25:55.248972+00:00"},{"alias_kind":"pith_short_12","alias_value":"DMWPFS2OO5DA","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"DMWPFS2OO5DAMUJA","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"DMWPFS2O","created_at":"2026-05-18T12:29:17.054201+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/DMWPFS2OO5DAMUJAOOF4AXXCQG","json":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG.json","graph_json":"https://pith.science/api/pith-number/DMWPFS2OO5DAMUJAOOF4AXXCQG/graph.json","events_json":"https://pith.science/api/pith-number/DMWPFS2OO5DAMUJAOOF4AXXCQG/events.json","paper":"https://pith.science/paper/DMWPFS2O"},"agent_actions":{"view_html":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG","download_json":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG.json","view_paper":"https://pith.science/paper/DMWPFS2O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.02359&json=true","fetch_graph":"https://pith.science/api/pith-number/DMWPFS2OO5DAMUJAOOF4AXXCQG/graph.json","fetch_events":"https://pith.science/api/pith-number/DMWPFS2OO5DAMUJAOOF4AXXCQG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG/action/storage_attestation","attest_author":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG/action/author_attestation","sign_citation":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG/action/citation_signature","submit_replication":"https://pith.science/pith/DMWPFS2OO5DAMUJAOOF4AXXCQG/action/replication_record"}},"created_at":"2026-05-18T01:25:55.248972+00:00","updated_at":"2026-05-18T01:25:55.248972+00:00"}