{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:O76MNBYPC4SOLONPDWD2WWEKRC","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":"117c1daaf69030ac89ac56a7b40458a5fb2465ed13ad0481fe3e3783959b0da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-10T19:49:09Z","title_canon_sha256":"90ae1c186fc522117773c8c86420e8c8db039fb78c6e8dec07e38b9ab40e7d35"},"schema_version":"1.0","source":{"id":"1509.03296","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03296","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03296v2","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03296","created_at":"2026-05-18T01:12:30Z"},{"alias_kind":"pith_short_12","alias_value":"O76MNBYPC4SO","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O76MNBYPC4SOLONP","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O76MNBYP","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:6190f8a1ff1afe5fd013e1781409f41b9ad2cdc2d90e3a15d015631a54596915","target":"graph","created_at":"2026-05-18T01:12:30Z","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":"Applying our recently-developed generalized version of the high-latitude emission theory to the observations of X-ray flares in gamma-ray bursts (GRBs), we present here clear observational evidence that the X-ray flare emission region is undergoing rapid bulk acceleration as the photons are emitted. We show that both the observed X-ray flare light curves and the photon index evolution curves can be simultaneously reproduced within a simple physical model invoking synchrotron radiation in an accelerating emission region far from the GRB central engine. Such an acceleration process demands an ad","authors_text":"Bing Zhang (UNLV), Z. Lucas Uhm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-10T19:49:09Z","title":"Evidence of Bulk Acceleration of the GRB X-ray Flare Emission Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03296","kind":"arxiv","version":2},"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:ec8c96e8152006710568d5f12adae1cdbb3da90043900ced43d3de1334223ad2","target":"record","created_at":"2026-05-18T01:12:30Z","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":"117c1daaf69030ac89ac56a7b40458a5fb2465ed13ad0481fe3e3783959b0da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-10T19:49:09Z","title_canon_sha256":"90ae1c186fc522117773c8c86420e8c8db039fb78c6e8dec07e38b9ab40e7d35"},"schema_version":"1.0","source":{"id":"1509.03296","kind":"arxiv","version":2}},"canonical_sha256":"77fcc6870f1724e5b9af1d87ab588a889113c7abfffbae6609180ab68601cb47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77fcc6870f1724e5b9af1d87ab588a889113c7abfffbae6609180ab68601cb47","first_computed_at":"2026-05-18T01:12:30.625119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:30.625119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yx1cMOmUyQprLIDkDpyQIrfiQXhYXFKvlW/yEa3FggP6C314IIRqsf8JxvHIiHVJGmWJTKs6irubZOtolNH6Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:30.625508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03296","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec8c96e8152006710568d5f12adae1cdbb3da90043900ced43d3de1334223ad2","sha256:6190f8a1ff1afe5fd013e1781409f41b9ad2cdc2d90e3a15d015631a54596915"],"state_sha256":"55cc128410dd25212426fdffd5fc47b4b77dee495e31cf77e249798286769f7b"}