{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:OFNRDEEAYTSMCJFX4FAXM6E2YR","short_pith_number":"pith:OFNRDEEA","canonical_record":{"source":{"id":"2504.06968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-09T15:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"20b7f1d1d9c1f734078e3d552c885f4a92bba421c8a8670de72e37bc7b7244e5","abstract_canon_sha256":"fe624b601d040aaa2db6262e95e9ab6417fb7b40bbb6ec0def8d063c2463a60d"},"schema_version":"1.0"},"canonical_sha256":"715b119080c4e4c124b7e14176789ac46c1f550ceeef03f683508f7f1f07236f","source":{"kind":"arxiv","id":"2504.06968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.06968","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.06968v1","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.06968","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"OFNRDEEAYTSM","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_16","alias_value":"OFNRDEEAYTSMCJFX","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_8","alias_value":"OFNRDEEA","created_at":"2026-07-05T10:46:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:OFNRDEEAYTSMCJFX4FAXM6E2YR","target":"record","payload":{"canonical_record":{"source":{"id":"2504.06968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-09T15:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"20b7f1d1d9c1f734078e3d552c885f4a92bba421c8a8670de72e37bc7b7244e5","abstract_canon_sha256":"fe624b601d040aaa2db6262e95e9ab6417fb7b40bbb6ec0def8d063c2463a60d"},"schema_version":"1.0"},"canonical_sha256":"715b119080c4e4c124b7e14176789ac46c1f550ceeef03f683508f7f1f07236f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:46:49.220984Z","signature_b64":"Gh5cFKiliDNZoMhSZNQ08O4E2QtFGD/iBjjPB8w/vFRrDp51VG59VaV73rQtJQ1mm/bKNjdcp3VegTxDSm5TDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"715b119080c4e4c124b7e14176789ac46c1f550ceeef03f683508f7f1f07236f","last_reissued_at":"2026-07-05T10:46:49.220562Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:46:49.220562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.06968","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OLsuhXe5BMXsr+ny8FUmbEJ1WlVZTXNA0W13W60caOdUndoyOIM8l8wYxUdnJesOLHtK/LRiWVDj30rJCZu2Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:49:33.912293Z"},"content_sha256":"6081afc2b5bd2be607da7c7caf75e87254e4efb1b1e6fe8a0aad1a4b70ae532e","schema_version":"1.0","event_id":"sha256:6081afc2b5bd2be607da7c7caf75e87254e4efb1b1e6fe8a0aad1a4b70ae532e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:OFNRDEEAYTSMCJFX4FAXM6E2YR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probable evidence for a transient mega-electron volt emission line in the GRB 221023A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Da-Ming Wei, Hao-Ning He, Jia Ren, Lu-Yao Jiang, Xiang Li, Yu-Jia Wei, Yun Wang, Zhao-Qiang Shen, Zhi-Ping Jin","submitted_at":"2025-04-09T15:24:59Z","abstract_excerpt":"Detection of spectral line in gamma-ray bursts (GRBs) is importance for studying GRB physics, as it provides insights into the composition and physical conditions of the GRB environment. However, progress in detecting X-ray or gamma-ray emission and absorption lines in GRB spectra has been relatively slow, only the narrow emission line feature of about 10 MeV found in GRB 221009A has exhibited a significance exceeding $5 \\sigma$. Here, we report the probable evidence of a narrow emission feature at about 2.1 mega-electron volts (MeV) in the spectrum of GRB 221023A. The highest statistical sign"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.06968","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/2504.06968/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0A6jM6KCmhsYM2neDGySpjfm6/dyMvRKVAO0IGj5xHkSvMJd3TcZbw7Gr6DScSLvP0Ew0W7uiXGE6HiFO+AjDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:49:33.912683Z"},"content_sha256":"9f4942519bc39cb2ea802b4a9c07cc51b4eaffa1ad16ccc9e10d5c390bff200f","schema_version":"1.0","event_id":"sha256:9f4942519bc39cb2ea802b4a9c07cc51b4eaffa1ad16ccc9e10d5c390bff200f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/bundle.json","state_url":"https://pith.science/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-09T04:49:33Z","links":{"resolver":"https://pith.science/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR","bundle":"https://pith.science/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/bundle.json","state":"https://pith.science/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OFNRDEEAYTSMCJFX4FAXM6E2YR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:OFNRDEEAYTSMCJFX4FAXM6E2YR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fe624b601d040aaa2db6262e95e9ab6417fb7b40bbb6ec0def8d063c2463a60d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-09T15:24:59Z","title_canon_sha256":"20b7f1d1d9c1f734078e3d552c885f4a92bba421c8a8670de72e37bc7b7244e5"},"schema_version":"1.0","source":{"id":"2504.06968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.06968","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.06968v1","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.06968","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"OFNRDEEAYTSM","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_16","alias_value":"OFNRDEEAYTSMCJFX","created_at":"2026-07-05T10:46:49Z"},{"alias_kind":"pith_short_8","alias_value":"OFNRDEEA","created_at":"2026-07-05T10:46:49Z"}],"graph_snapshots":[{"event_id":"sha256:9f4942519bc39cb2ea802b4a9c07cc51b4eaffa1ad16ccc9e10d5c390bff200f","target":"graph","created_at":"2026-07-05T10:46:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2504.06968/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Detection of spectral line in gamma-ray bursts (GRBs) is importance for studying GRB physics, as it provides insights into the composition and physical conditions of the GRB environment. However, progress in detecting X-ray or gamma-ray emission and absorption lines in GRB spectra has been relatively slow, only the narrow emission line feature of about 10 MeV found in GRB 221009A has exhibited a significance exceeding $5 \\sigma$. Here, we report the probable evidence of a narrow emission feature at about 2.1 mega-electron volts (MeV) in the spectrum of GRB 221023A. The highest statistical sign","authors_text":"Da-Ming Wei, Hao-Ning He, Jia Ren, Lu-Yao Jiang, Xiang Li, Yu-Jia Wei, Yun Wang, Zhao-Qiang Shen, Zhi-Ping Jin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-09T15:24:59Z","title":"Probable evidence for a transient mega-electron volt emission line in the GRB 221023A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.06968","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6081afc2b5bd2be607da7c7caf75e87254e4efb1b1e6fe8a0aad1a4b70ae532e","target":"record","created_at":"2026-07-05T10:46:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fe624b601d040aaa2db6262e95e9ab6417fb7b40bbb6ec0def8d063c2463a60d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-04-09T15:24:59Z","title_canon_sha256":"20b7f1d1d9c1f734078e3d552c885f4a92bba421c8a8670de72e37bc7b7244e5"},"schema_version":"1.0","source":{"id":"2504.06968","kind":"arxiv","version":1}},"canonical_sha256":"715b119080c4e4c124b7e14176789ac46c1f550ceeef03f683508f7f1f07236f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"715b119080c4e4c124b7e14176789ac46c1f550ceeef03f683508f7f1f07236f","first_computed_at":"2026-07-05T10:46:49.220562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:46:49.220562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gh5cFKiliDNZoMhSZNQ08O4E2QtFGD/iBjjPB8w/vFRrDp51VG59VaV73rQtJQ1mm/bKNjdcp3VegTxDSm5TDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:46:49.220984Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.06968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6081afc2b5bd2be607da7c7caf75e87254e4efb1b1e6fe8a0aad1a4b70ae532e","sha256:9f4942519bc39cb2ea802b4a9c07cc51b4eaffa1ad16ccc9e10d5c390bff200f"],"state_sha256":"02c30771f478fad3c82cf731e2b14394879f6b1a481c0e6ae4386e313112709a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8KDpl8td2257RO5+TRkVL37JIgiff+xmyR2cALc2/XhKvMF0CX9bUXeHXjDXu0aVSO+duwval92D1/IUIWA/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T04:49:33.914622Z","bundle_sha256":"86bc2633991b09c6d310ba4fb11f724c673c13a30fc7a33971746172a99f6f57"}}