{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:D2SYGBEJQI3GHGC56RU3DAX5SL","short_pith_number":"pith:D2SYGBEJ","schema_version":"1.0","canonical_sha256":"1ea5830489823663985df469b182fd92ddc96a7837fe174a31e528bff0d95bdd","source":{"kind":"arxiv","id":"1603.07869","version":2},"attestation_state":"computed","paper":{"title":"The Macronova in GRB 050709 and the GRB/macronova connection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Da-Ming Wei, Kenta Hotokezaka, Masaomi Tanaka, Paolo D'Avanzo, Stefano Covino, Tsvi Piran, Xiang Li, Yi-Zhong Fan, Zhi-Ping Jin","submitted_at":"2016-03-25T10:38:19Z","abstract_excerpt":"GRB 050709 was the first short Gamma-ray Burst (sGRB) with an identified optical afterglow. In this work we report a re-analysis of the publicly available data of this event and the discovery of a Li-Paczynski macronova/kilonova that dominates the optical/IR signal at t $>$ 2.5 days. Such a signal would arise from ~0.05 M$_\\odot$ r-process material launched by a compact binary merger. The implied mass ejection supports the suggestion that compact binary mergers are significant and possibly main sites of heavy r-process nucleosynthesis. We have re-analyzed all afterglow data from nearby short a"},"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":"1603.07869","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-03-25T10:38:19Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0489c4b814a2d80959677384bacce2ffbd7ed766e9fb1101921b4c9af24d24aa","abstract_canon_sha256":"2aee4edd6ec86d35c36274c0270bfe591ea5136092eaacf8d1bdd5b020d6ee38"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:25.654617Z","signature_b64":"zugFJdS/PnSioEd/vzjinZdwcv2brgg8cyqJYKGXQoVFU8iB1MhRw1OzIjk1rPPnBD1CZAfJax7owRqT1eaGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ea5830489823663985df469b182fd92ddc96a7837fe174a31e528bff0d95bdd","last_reissued_at":"2026-05-18T01:00:25.653984Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:25.653984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Macronova in GRB 050709 and the GRB/macronova connection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Da-Ming Wei, Kenta Hotokezaka, Masaomi Tanaka, Paolo D'Avanzo, Stefano Covino, Tsvi Piran, Xiang Li, Yi-Zhong Fan, Zhi-Ping Jin","submitted_at":"2016-03-25T10:38:19Z","abstract_excerpt":"GRB 050709 was the first short Gamma-ray Burst (sGRB) with an identified optical afterglow. In this work we report a re-analysis of the publicly available data of this event and the discovery of a Li-Paczynski macronova/kilonova that dominates the optical/IR signal at t $>$ 2.5 days. Such a signal would arise from ~0.05 M$_\\odot$ r-process material launched by a compact binary merger. The implied mass ejection supports the suggestion that compact binary mergers are significant and possibly main sites of heavy r-process nucleosynthesis. We have re-analyzed all afterglow data from nearby short a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.07869","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":""},"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":"1603.07869","created_at":"2026-05-18T01:00:25.654072+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.07869v2","created_at":"2026-05-18T01:00:25.654072+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.07869","created_at":"2026-05-18T01:00:25.654072+00:00"},{"alias_kind":"pith_short_12","alias_value":"D2SYGBEJQI3G","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"D2SYGBEJQI3GHGC5","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"D2SYGBEJ","created_at":"2026-05-18T12:30:09.641336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.21580","citing_title":"Massquerade: Impacts of Mass Ratio Reversals on Binary Black Hole Merger Rates and Mass Distributions","ref_index":123,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL","json":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL.json","graph_json":"https://pith.science/api/pith-number/D2SYGBEJQI3GHGC56RU3DAX5SL/graph.json","events_json":"https://pith.science/api/pith-number/D2SYGBEJQI3GHGC56RU3DAX5SL/events.json","paper":"https://pith.science/paper/D2SYGBEJ"},"agent_actions":{"view_html":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL","download_json":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL.json","view_paper":"https://pith.science/paper/D2SYGBEJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.07869&json=true","fetch_graph":"https://pith.science/api/pith-number/D2SYGBEJQI3GHGC56RU3DAX5SL/graph.json","fetch_events":"https://pith.science/api/pith-number/D2SYGBEJQI3GHGC56RU3DAX5SL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL/action/storage_attestation","attest_author":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL/action/author_attestation","sign_citation":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL/action/citation_signature","submit_replication":"https://pith.science/pith/D2SYGBEJQI3GHGC56RU3DAX5SL/action/replication_record"}},"created_at":"2026-05-18T01:00:25.654072+00:00","updated_at":"2026-05-18T01:00:25.654072+00:00"}