{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:G634XZTFI3U6EGO7CYLOMBB47C","short_pith_number":"pith:G634XZTF","schema_version":"1.0","canonical_sha256":"37b7cbe66546e9e219df1616e6043cf89a3fbf8a063ab29346239b5e4c8f3d4a","source":{"kind":"arxiv","id":"1807.08923","version":1},"attestation_state":"computed","paper":{"title":"Late Engine Activity of GRB 161017A Revealed by Early Optical Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Katsuaki Asano, Katsuhiro L. Murata, Kotaro Morita, Makoto Arimoto, Nobuyuki Kawai, Ryosuke Itoh, Shohei Harita, Taichi Fujiwara, Taketoshi Yoshii, Yoichi Yatsu, Yutaro Tachibana","submitted_at":"2018-07-24T06:22:42Z","abstract_excerpt":"The long gamma-ray burst GRB 161017A was detected by Fermi and Swift, and its afterglow was observed by the MITSuME 50-cm optical telescope promptly about 50 s after the burst. Early optical observations revealed that the optical lightcurve exhibits a plateau and rebrightening in the early afterglow phase about 500 and 5000 s after the trigger, respectively. By investigating the behavior of the spectral and temporal flux variation, it was found that the plateau and re-brightening cannot be explained in the context of the simple standard afterglow model. These observational features can be expl"},"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":"1807.08923","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-24T06:22:42Z","cross_cats_sorted":[],"title_canon_sha256":"d83baffb91ea7211ae8c91fa1fa63e288351e4d74fec626d79ea487292df21cc","abstract_canon_sha256":"562b1510ebb85ff84af4d8190348ac9d1d72003271d9f638e833cf5c1ffaf0ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:37.322902Z","signature_b64":"5Ary8HQkfB9CUIrNFdfGQlDH4sBkEud0pkWZk1Mn3jj5g7sequcTRt+/NDr8ThjfpybiiozpmHwgZpk7EygRCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37b7cbe66546e9e219df1616e6043cf89a3fbf8a063ab29346239b5e4c8f3d4a","last_reissued_at":"2026-05-18T00:06:37.322202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:37.322202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Late Engine Activity of GRB 161017A Revealed by Early Optical Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Katsuaki Asano, Katsuhiro L. Murata, Kotaro Morita, Makoto Arimoto, Nobuyuki Kawai, Ryosuke Itoh, Shohei Harita, Taichi Fujiwara, Taketoshi Yoshii, Yoichi Yatsu, Yutaro Tachibana","submitted_at":"2018-07-24T06:22:42Z","abstract_excerpt":"The long gamma-ray burst GRB 161017A was detected by Fermi and Swift, and its afterglow was observed by the MITSuME 50-cm optical telescope promptly about 50 s after the burst. Early optical observations revealed that the optical lightcurve exhibits a plateau and rebrightening in the early afterglow phase about 500 and 5000 s after the trigger, respectively. By investigating the behavior of the spectral and temporal flux variation, it was found that the plateau and re-brightening cannot be explained in the context of the simple standard afterglow model. These observational features can be expl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08923","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":""},"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":"1807.08923","created_at":"2026-05-18T00:06:37.322308+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.08923v1","created_at":"2026-05-18T00:06:37.322308+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.08923","created_at":"2026-05-18T00:06:37.322308+00:00"},{"alias_kind":"pith_short_12","alias_value":"G634XZTFI3U6","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"G634XZTFI3U6EGO7","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"G634XZTF","created_at":"2026-05-18T12:32:25.280505+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/G634XZTFI3U6EGO7CYLOMBB47C","json":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C.json","graph_json":"https://pith.science/api/pith-number/G634XZTFI3U6EGO7CYLOMBB47C/graph.json","events_json":"https://pith.science/api/pith-number/G634XZTFI3U6EGO7CYLOMBB47C/events.json","paper":"https://pith.science/paper/G634XZTF"},"agent_actions":{"view_html":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C","download_json":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C.json","view_paper":"https://pith.science/paper/G634XZTF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.08923&json=true","fetch_graph":"https://pith.science/api/pith-number/G634XZTFI3U6EGO7CYLOMBB47C/graph.json","fetch_events":"https://pith.science/api/pith-number/G634XZTFI3U6EGO7CYLOMBB47C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C/action/storage_attestation","attest_author":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C/action/author_attestation","sign_citation":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C/action/citation_signature","submit_replication":"https://pith.science/pith/G634XZTFI3U6EGO7CYLOMBB47C/action/replication_record"}},"created_at":"2026-05-18T00:06:37.322308+00:00","updated_at":"2026-05-18T00:06:37.322308+00:00"}