{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7MYA74TVQRNXIGR6ZWC3WXNSWM","short_pith_number":"pith:7MYA74TV","canonical_record":{"source":{"id":"2407.04023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-04T16:05:33Z","cross_cats_sorted":[],"title_canon_sha256":"1aa3d506d5212fe0d485cc8bbe65b899c44e73e325d8249b2c739fb10155361f","abstract_canon_sha256":"b60a424c6e05508bd2665cda781b9eac53770da4859e76782631957039f5708c"},"schema_version":"1.0"},"canonical_sha256":"fb300ff275845b741a3ecd85bb5db2b30d263c35d9eff5cef997eda4b4940071","source":{"kind":"arxiv","id":"2407.04023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04023","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04023v1","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04023","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"7MYA74TVQRNX","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_16","alias_value":"7MYA74TVQRNXIGR6","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_8","alias_value":"7MYA74TV","created_at":"2026-07-05T10:06:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7MYA74TVQRNXIGR6ZWC3WXNSWM","target":"record","payload":{"canonical_record":{"source":{"id":"2407.04023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-04T16:05:33Z","cross_cats_sorted":[],"title_canon_sha256":"1aa3d506d5212fe0d485cc8bbe65b899c44e73e325d8249b2c739fb10155361f","abstract_canon_sha256":"b60a424c6e05508bd2665cda781b9eac53770da4859e76782631957039f5708c"},"schema_version":"1.0"},"canonical_sha256":"fb300ff275845b741a3ecd85bb5db2b30d263c35d9eff5cef997eda4b4940071","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:06:28.939363Z","signature_b64":"kc6Gw6/wfW0ljG0AOJeCNlzWaVde4o4V3eQzK4Jit9IAEMkmatQ5guMlBR/OCuhVfTbKDZhCEKR83jrRXRUzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb300ff275845b741a3ecd85bb5db2b30d263c35d9eff5cef997eda4b4940071","last_reissued_at":"2026-07-05T10:06:28.938881Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:06:28.938881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.04023","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":"2026-07-05T10:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RNet5Tr7E1EQu7OjUzZqcRsJJzuYy6kf4YlX/R9C93ti/TNOtg5iohAtI6uTBlp7LODay7CVd97WDvJzGvwfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:12:40.559824Z"},"content_sha256":"66c5a2bc1d48bdb2f6d3838f4380345814031f3e019403e801eb23ef879f50a4","schema_version":"1.0","event_id":"sha256:66c5a2bc1d48bdb2f6d3838f4380345814031f3e019403e801eb23ef879f50a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7MYA74TVQRNXIGR6ZWC3WXNSWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-Ray Burst prompt emission from the synchrotron radiation of relativistic electrons in a rapidly decaying magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Fr\\'ed\\'eric Daigne, \\v{Z}eljka Bo\\v{s}njak","submitted_at":"2024-07-04T16:05:33Z","abstract_excerpt":"Synchrotron radiation from accelerated electrons above the photosphere of a relativistic ejecta is a natural candidate for the dominant process for the prompt GRB emission. There is however a tension between the predicted low-energy spectral index $\\alpha=-3/2$ in the fast cooling regime and observations. Radiating electrons have time to travel away from their acceleration site and may experience an evolving magnetic field. To study the impact on the synchrotron spectrum, we compute the radiation from electrons in a decaying magnetic field, including adiabatic cooling, synchrotron radiation, I"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04023","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/2407.04023/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":"2026-07-05T10:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y2twoiA7fiBei17EyyOBtrgkE4oHFOAAuppAR5mKOh+kLuu9qBvn3gFPrRgQLJJQl4ZuGUVco2kBnph804neCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:12:40.560220Z"},"content_sha256":"56a4d32dcd13eb8aaf1e2a1d962b0726f14e63118a7da97928e8c14a34f4a831","schema_version":"1.0","event_id":"sha256:56a4d32dcd13eb8aaf1e2a1d962b0726f14e63118a7da97928e8c14a34f4a831"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/bundle.json","state_url":"https://pith.science/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/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":"2026-07-07T07:12:40Z","links":{"resolver":"https://pith.science/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM","bundle":"https://pith.science/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/bundle.json","state":"https://pith.science/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7MYA74TVQRNXIGR6ZWC3WXNSWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7MYA74TVQRNXIGR6ZWC3WXNSWM","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":"b60a424c6e05508bd2665cda781b9eac53770da4859e76782631957039f5708c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-04T16:05:33Z","title_canon_sha256":"1aa3d506d5212fe0d485cc8bbe65b899c44e73e325d8249b2c739fb10155361f"},"schema_version":"1.0","source":{"id":"2407.04023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04023","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04023v1","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04023","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"7MYA74TVQRNX","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_16","alias_value":"7MYA74TVQRNXIGR6","created_at":"2026-07-05T10:06:28Z"},{"alias_kind":"pith_short_8","alias_value":"7MYA74TV","created_at":"2026-07-05T10:06:28Z"}],"graph_snapshots":[{"event_id":"sha256:56a4d32dcd13eb8aaf1e2a1d962b0726f14e63118a7da97928e8c14a34f4a831","target":"graph","created_at":"2026-07-05T10:06:28Z","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/2407.04023/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Synchrotron radiation from accelerated electrons above the photosphere of a relativistic ejecta is a natural candidate for the dominant process for the prompt GRB emission. There is however a tension between the predicted low-energy spectral index $\\alpha=-3/2$ in the fast cooling regime and observations. Radiating electrons have time to travel away from their acceleration site and may experience an evolving magnetic field. To study the impact on the synchrotron spectrum, we compute the radiation from electrons in a decaying magnetic field, including adiabatic cooling, synchrotron radiation, I","authors_text":"Fr\\'ed\\'eric Daigne, \\v{Z}eljka Bo\\v{s}njak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-04T16:05:33Z","title":"Gamma-Ray Burst prompt emission from the synchrotron radiation of relativistic electrons in a rapidly decaying magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04023","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":"sha256:66c5a2bc1d48bdb2f6d3838f4380345814031f3e019403e801eb23ef879f50a4","target":"record","created_at":"2026-07-05T10:06:28Z","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":"b60a424c6e05508bd2665cda781b9eac53770da4859e76782631957039f5708c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-07-04T16:05:33Z","title_canon_sha256":"1aa3d506d5212fe0d485cc8bbe65b899c44e73e325d8249b2c739fb10155361f"},"schema_version":"1.0","source":{"id":"2407.04023","kind":"arxiv","version":1}},"canonical_sha256":"fb300ff275845b741a3ecd85bb5db2b30d263c35d9eff5cef997eda4b4940071","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb300ff275845b741a3ecd85bb5db2b30d263c35d9eff5cef997eda4b4940071","first_computed_at":"2026-07-05T10:06:28.938881Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:06:28.938881Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kc6Gw6/wfW0ljG0AOJeCNlzWaVde4o4V3eQzK4Jit9IAEMkmatQ5guMlBR/OCuhVfTbKDZhCEKR83jrRXRUzAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:06:28.939363Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.04023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66c5a2bc1d48bdb2f6d3838f4380345814031f3e019403e801eb23ef879f50a4","sha256:56a4d32dcd13eb8aaf1e2a1d962b0726f14e63118a7da97928e8c14a34f4a831"],"state_sha256":"5798a5f19fe99be27840c19547de6e2ed7b18c7d9bfff3beda964fcd2129adb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cl1JuMOxkbCGukLE4vA7UlflUuMJmbWCOtqEjB+9NEo3AY6+gJihh9foKUdzQq7mnVroVlFTJhiHOeqCBqLhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:12:40.563433Z","bundle_sha256":"60754c5bd00346a31adac94295af5a0ef8aeb3c114ed52065442a71485aeb483"}}