{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WYUDI3XZYZ73IDW6P62NQPF5VZ","short_pith_number":"pith:WYUDI3XZ","canonical_record":{"source":{"id":"2206.00680","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-06-01T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"c5682f662be1f5428298ab6973ed4a5c14654d1f81e6066541071c8ee21300a6","abstract_canon_sha256":"ae0ef87180cf555967959fb6149810c95ed88132b61dc91dece781640a693782"},"schema_version":"1.0"},"canonical_sha256":"b628346ef9c67fb40ede7fb4d83cbdae44a90eb68d2d3b12b40b3628325a8e71","source":{"kind":"arxiv","id":"2206.00680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00680","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00680v1","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00680","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_12","alias_value":"WYUDI3XZYZ73","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_16","alias_value":"WYUDI3XZYZ73IDW6","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_8","alias_value":"WYUDI3XZ","created_at":"2026-07-05T04:35:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WYUDI3XZYZ73IDW6P62NQPF5VZ","target":"record","payload":{"canonical_record":{"source":{"id":"2206.00680","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-06-01T18:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"c5682f662be1f5428298ab6973ed4a5c14654d1f81e6066541071c8ee21300a6","abstract_canon_sha256":"ae0ef87180cf555967959fb6149810c95ed88132b61dc91dece781640a693782"},"schema_version":"1.0"},"canonical_sha256":"b628346ef9c67fb40ede7fb4d83cbdae44a90eb68d2d3b12b40b3628325a8e71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:35:50.584837Z","signature_b64":"1H6a6SKP9Hh3CSKMhb5TLX+P/pYTr30vVDmPOSp+EIXZSzDJ5ZUAMZ8lIJpRHwI5n9vMhq2KXsoNvZvJGm2JCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b628346ef9c67fb40ede7fb4d83cbdae44a90eb68d2d3b12b40b3628325a8e71","last_reissued_at":"2026-07-05T04:35:50.584401Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:35:50.584401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.00680","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":"2026-07-05T04:35:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"81WPQ6Js4LL7czEVMy4J1IbjX35jpNABYA3iRBN7taLaRnQo6QMJc0vKc+djlh7vbZX7EGbifes9aJa/G2kDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:40:49.179116Z"},"content_sha256":"ae453e6d23bcf69efbb07af5a645e08e7cb20ae2f97cc6fe8ff4a9d0668158bd","schema_version":"1.0","event_id":"sha256:ae453e6d23bcf69efbb07af5a645e08e7cb20ae2f97cc6fe8ff4a9d0668158bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WYUDI3XZYZ73IDW6P62NQPF5VZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Onset of particle acceleration during the prompt phase in gamma-ray bursts as revealed by synchrotron emission in GRB160821A","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Asaf Peer, Bj\\\"orn Ahlgren, Christoffer Lundman, Felix Ryde, Magnus Axelsson, Shabnam Iyyani, Vidushi Sharma","submitted_at":"2022-06-01T18:00:07Z","abstract_excerpt":"The physical processes of the gamma-ray emission and particle acceleration during the prompt phase in GRBs are still unsettled. In order to perform an unambiguous physical modelling of observations, a clear identification of the emission mechanism is needed. An instance of a clear identification is the synchrotron emission during the very strong flare in GRB160821A, that occurs during the prompt phase at 135 s. Here we show that the distribution of the radiating electrons in this flare is initially very narrow, but later develops a power-law tail of accelerated electrons. We thus identify for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00680","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/2206.00680/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":"2026-07-05T04:35:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrt96dO+UJGXb9G76uhFVeHIk3jPOhWVYkWW3SQGw5AHNvFwWRgFhs5YaeK0ei0Vb87s513Cvej07B2Sa/hsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:40:49.179648Z"},"content_sha256":"6d5750c635140661a0e2b9fcb70725cf8fbb7aa5798fa48cfa608f59ff47dbf8","schema_version":"1.0","event_id":"sha256:6d5750c635140661a0e2b9fcb70725cf8fbb7aa5798fa48cfa608f59ff47dbf8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/bundle.json","state_url":"https://pith.science/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/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":"2026-08-09T01:40:49Z","links":{"resolver":"https://pith.science/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ","bundle":"https://pith.science/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/bundle.json","state":"https://pith.science/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WYUDI3XZYZ73IDW6P62NQPF5VZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WYUDI3XZYZ73IDW6P62NQPF5VZ","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":"ae0ef87180cf555967959fb6149810c95ed88132b61dc91dece781640a693782","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-06-01T18:00:07Z","title_canon_sha256":"c5682f662be1f5428298ab6973ed4a5c14654d1f81e6066541071c8ee21300a6"},"schema_version":"1.0","source":{"id":"2206.00680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00680","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00680v1","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00680","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_12","alias_value":"WYUDI3XZYZ73","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_16","alias_value":"WYUDI3XZYZ73IDW6","created_at":"2026-07-05T04:35:50Z"},{"alias_kind":"pith_short_8","alias_value":"WYUDI3XZ","created_at":"2026-07-05T04:35:50Z"}],"graph_snapshots":[{"event_id":"sha256:6d5750c635140661a0e2b9fcb70725cf8fbb7aa5798fa48cfa608f59ff47dbf8","target":"graph","created_at":"2026-07-05T04:35:50Z","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/2206.00680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The physical processes of the gamma-ray emission and particle acceleration during the prompt phase in GRBs are still unsettled. In order to perform an unambiguous physical modelling of observations, a clear identification of the emission mechanism is needed. An instance of a clear identification is the synchrotron emission during the very strong flare in GRB160821A, that occurs during the prompt phase at 135 s. Here we show that the distribution of the radiating electrons in this flare is initially very narrow, but later develops a power-law tail of accelerated electrons. We thus identify for ","authors_text":"Asaf Peer, Bj\\\"orn Ahlgren, Christoffer Lundman, Felix Ryde, Magnus Axelsson, Shabnam Iyyani, Vidushi Sharma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-06-01T18:00:07Z","title":"Onset of particle acceleration during the prompt phase in gamma-ray bursts as revealed by synchrotron emission in GRB160821A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00680","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:ae453e6d23bcf69efbb07af5a645e08e7cb20ae2f97cc6fe8ff4a9d0668158bd","target":"record","created_at":"2026-07-05T04:35:50Z","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":"ae0ef87180cf555967959fb6149810c95ed88132b61dc91dece781640a693782","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-06-01T18:00:07Z","title_canon_sha256":"c5682f662be1f5428298ab6973ed4a5c14654d1f81e6066541071c8ee21300a6"},"schema_version":"1.0","source":{"id":"2206.00680","kind":"arxiv","version":1}},"canonical_sha256":"b628346ef9c67fb40ede7fb4d83cbdae44a90eb68d2d3b12b40b3628325a8e71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b628346ef9c67fb40ede7fb4d83cbdae44a90eb68d2d3b12b40b3628325a8e71","first_computed_at":"2026-07-05T04:35:50.584401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:35:50.584401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1H6a6SKP9Hh3CSKMhb5TLX+P/pYTr30vVDmPOSp+EIXZSzDJ5ZUAMZ8lIJpRHwI5n9vMhq2KXsoNvZvJGm2JCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:35:50.584837Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.00680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae453e6d23bcf69efbb07af5a645e08e7cb20ae2f97cc6fe8ff4a9d0668158bd","sha256:6d5750c635140661a0e2b9fcb70725cf8fbb7aa5798fa48cfa608f59ff47dbf8"],"state_sha256":"bb01f16cb5f6b37a4d45fdc76cd6781bd9044ec33e15191c965fd1a79e799e39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SYcvJ0359dWAeUM5AOWulY459z8fnVHqTo/a2gI/gcC7JK1m9cA33pJMlCkxQPk/cGyAJBn+GA+sfgC279JhCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:40:49.184794Z","bundle_sha256":"51c6052f4ef57c219a1f83e114f7c6b5f10a1f1b8214ae0928dd9462587ebedf"}}