{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:44T5RZWBY4DRX4GJP47BUPUATY","short_pith_number":"pith:44T5RZWB","canonical_record":{"source":{"id":"1308.1253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-06T12:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"08ce16276af0a8933cbb78a8d5b4f7db3e54d1f76f0a13a0a9853955209785b4","abstract_canon_sha256":"cfc4d9caa412e51df1cea28aa8ab323f9435d168fa87e79aa2b342ab03df5cc8"},"schema_version":"1.0"},"canonical_sha256":"e727d8e6c1c7071bf0c97f3e1a3e809e1208c29e7fb65b074fd891d12e1b326a","source":{"kind":"arxiv","id":"1308.1253","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1253","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1253v1","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1253","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"44T5RZWBY4DR","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"44T5RZWBY4DRX4GJ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"44T5RZWB","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:44T5RZWBY4DRX4GJP47BUPUATY","target":"record","payload":{"canonical_record":{"source":{"id":"1308.1253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-06T12:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"08ce16276af0a8933cbb78a8d5b4f7db3e54d1f76f0a13a0a9853955209785b4","abstract_canon_sha256":"cfc4d9caa412e51df1cea28aa8ab323f9435d168fa87e79aa2b342ab03df5cc8"},"schema_version":"1.0"},"canonical_sha256":"e727d8e6c1c7071bf0c97f3e1a3e809e1208c29e7fb65b074fd891d12e1b326a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:39.335702Z","signature_b64":"+ETcy2U4+SKRPQMIdq8Nq0PKqUv8d5aYvswDT/iOYZbb3ntcd1I2VLIzUDCZ8vBq8z6M3JJDeCBGsRoCL65NDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e727d8e6c1c7071bf0c97f3e1a3e809e1208c29e7fb65b074fd891d12e1b326a","last_reissued_at":"2026-05-18T03:16:39.335083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:39.335083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.1253","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":"2026-05-18T03:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"agamxPU7ezGljCgVdtU4bmjpY/k0XH8zKKi7RVtuIJZIbfQWWpV5fZI/7ZGlWCZF4lkMwPMzwv7EQLEEep2QDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T13:00:18.235039Z"},"content_sha256":"c684cc4d67324efaa8f52dc8b793c1a71dcad98f5a084eaeba707f767239c756","schema_version":"1.0","event_id":"sha256:c684cc4d67324efaa8f52dc8b793c1a71dcad98f5a084eaeba707f767239c756"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:44T5RZWBY4DRX4GJP47BUPUATY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-organized criticality in X-ray flares of gamma-ray burst afterglows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Y. Wang, Z. G. Dai (NJU)","submitted_at":"2013-08-06T12:17:00Z","abstract_excerpt":"X-ray flares detected in nearly half of gamma-ray burst (GRB) afterglows are one of the most intriguing phenomena in high-energy astrophysics. All the observations indicate that the central engines of bursts, after the gamma-ray emission has ended, still have long periods of activity, during which energetic explosions eject relativistic materials, leading to late-time X-ray emission. It is thus expected that X-ray flares provide important clues to the nature of the central engines of GRBs, and more importantly, unveil the physical mechanism of the flares themselves, which has so far remained m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1253","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"quTLBReuFNbCFdPNwO7/pEogN/MOA7Yd+SpQ752uFtes/P8sU96gp4wcCv1Ewez9pUaXXeIm2t20ZRQNnklsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T13:00:18.235699Z"},"content_sha256":"48f65571e5896cd0045ba65a91c9cacd087f33ac6397d67d2aff919d6d9fdbb8","schema_version":"1.0","event_id":"sha256:48f65571e5896cd0045ba65a91c9cacd087f33ac6397d67d2aff919d6d9fdbb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44T5RZWBY4DRX4GJP47BUPUATY/bundle.json","state_url":"https://pith.science/pith/44T5RZWBY4DRX4GJP47BUPUATY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44T5RZWBY4DRX4GJP47BUPUATY/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":"2026-05-24T13:00:18Z","links":{"resolver":"https://pith.science/pith/44T5RZWBY4DRX4GJP47BUPUATY","bundle":"https://pith.science/pith/44T5RZWBY4DRX4GJP47BUPUATY/bundle.json","state":"https://pith.science/pith/44T5RZWBY4DRX4GJP47BUPUATY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44T5RZWBY4DRX4GJP47BUPUATY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:44T5RZWBY4DRX4GJP47BUPUATY","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":"cfc4d9caa412e51df1cea28aa8ab323f9435d168fa87e79aa2b342ab03df5cc8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-06T12:17:00Z","title_canon_sha256":"08ce16276af0a8933cbb78a8d5b4f7db3e54d1f76f0a13a0a9853955209785b4"},"schema_version":"1.0","source":{"id":"1308.1253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1253","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1253v1","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1253","created_at":"2026-05-18T03:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"44T5RZWBY4DR","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"44T5RZWBY4DRX4GJ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"44T5RZWB","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:48f65571e5896cd0045ba65a91c9cacd087f33ac6397d67d2aff919d6d9fdbb8","target":"graph","created_at":"2026-05-18T03:16:39Z","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"},"paper":{"abstract_excerpt":"X-ray flares detected in nearly half of gamma-ray burst (GRB) afterglows are one of the most intriguing phenomena in high-energy astrophysics. All the observations indicate that the central engines of bursts, after the gamma-ray emission has ended, still have long periods of activity, during which energetic explosions eject relativistic materials, leading to late-time X-ray emission. It is thus expected that X-ray flares provide important clues to the nature of the central engines of GRBs, and more importantly, unveil the physical mechanism of the flares themselves, which has so far remained m","authors_text":"F. Y. Wang, Z. G. Dai (NJU)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-06T12:17:00Z","title":"Self-organized criticality in X-ray flares of gamma-ray burst afterglows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1253","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:c684cc4d67324efaa8f52dc8b793c1a71dcad98f5a084eaeba707f767239c756","target":"record","created_at":"2026-05-18T03:16:39Z","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":"cfc4d9caa412e51df1cea28aa8ab323f9435d168fa87e79aa2b342ab03df5cc8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-06T12:17:00Z","title_canon_sha256":"08ce16276af0a8933cbb78a8d5b4f7db3e54d1f76f0a13a0a9853955209785b4"},"schema_version":"1.0","source":{"id":"1308.1253","kind":"arxiv","version":1}},"canonical_sha256":"e727d8e6c1c7071bf0c97f3e1a3e809e1208c29e7fb65b074fd891d12e1b326a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e727d8e6c1c7071bf0c97f3e1a3e809e1208c29e7fb65b074fd891d12e1b326a","first_computed_at":"2026-05-18T03:16:39.335083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:39.335083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+ETcy2U4+SKRPQMIdq8Nq0PKqUv8d5aYvswDT/iOYZbb3ntcd1I2VLIzUDCZ8vBq8z6M3JJDeCBGsRoCL65NDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:39.335702Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.1253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c684cc4d67324efaa8f52dc8b793c1a71dcad98f5a084eaeba707f767239c756","sha256:48f65571e5896cd0045ba65a91c9cacd087f33ac6397d67d2aff919d6d9fdbb8"],"state_sha256":"e98ea3b0352095e3b11cae2567d381f6fbaa2a8f7f2e05e61d96acb8afbef8bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VtuZ5n/OmBBFv+B68TCEVO5RcNr6hsJ6Ls79bUtfFrTKR5kkUszBCQt014m8X9hRycVGVOurcaJL+GP+PfcGAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T13:00:18.238940Z","bundle_sha256":"21b09f69084446dc87057b5f8803a06d6a12a48674094c85cfb6aa9482817ebc"}}