{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SEKQ6U2KBFFUNBOFJFXP3T76NK","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":"bd5778de72c7dd484590549c56b6eb5955aaa94b14b251ad9f7112d04de4417a","cross_cats_sorted":["hep-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-25T15:59:10Z","title_canon_sha256":"d9fdcebe585bb5367e4940d6cf460f8fd1aecad73e4e82925f99e0af9ed230f4"},"schema_version":"1.0","source":{"id":"1506.07801","kind":"arxiv","version":7}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.07801","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"1506.07801v7","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.07801","created_at":"2026-05-18T01:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"SEKQ6U2KBFFU","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"SEKQ6U2KBFFUNBOF","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"SEKQ6U2K","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:f869d61f346377c8f5f50d79347601d0281ffe09902b0ce6dcd8a7d714641917","target":"graph","created_at":"2026-05-18T01:19:30Z","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":"Two classes of GRBs have been confidently identified thus far and are prescribed to different physical scenarios -- NS-NS or NS-BH mergers, and collapse of massive stars, for short and long GRBs, respectively. A third, intermediate in duration class, was suggested to be present in previous catalogs, such as BATSE and $Swift$, based on statistical tests regarding a mixture of two or three log-normal distributions of $T_{90}$. However, this might possibly not be an adequate model. This paper investigates whether the distributions of $\\log T_{90}$ from BATSE, $Swift$, and $Fermi$ are described be","authors_text":"Mariusz Tarnopolski","cross_cats":["hep-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-25T15:59:10Z","title":"Analysis of gamma-ray burst duration distribution using mixtures of skewed distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.07801","kind":"arxiv","version":7},"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":"sha256:4a2ceec948ae077b9113794369f9c87e2f887b6947a1f4f78e7c8c0f9589cf74","target":"record","created_at":"2026-05-18T01:19:30Z","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":"bd5778de72c7dd484590549c56b6eb5955aaa94b14b251ad9f7112d04de4417a","cross_cats_sorted":["hep-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-25T15:59:10Z","title_canon_sha256":"d9fdcebe585bb5367e4940d6cf460f8fd1aecad73e4e82925f99e0af9ed230f4"},"schema_version":"1.0","source":{"id":"1506.07801","kind":"arxiv","version":7}},"canonical_sha256":"91150f534a094b4685c5496efdcffe6aa1955432acc26abca43176543e77c170","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91150f534a094b4685c5496efdcffe6aa1955432acc26abca43176543e77c170","first_computed_at":"2026-05-18T01:19:30.091738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:30.091738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PwCOsEGPnKrTxJSUsQsFo8CvtnfAZ/XtsdJvFlMvUWD48mXLAI7YZcJkhuWgJ1OE1I0mgrD1HjfDBHcEYyS+Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:30.092345Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.07801","source_kind":"arxiv","source_version":7}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a2ceec948ae077b9113794369f9c87e2f887b6947a1f4f78e7c8c0f9589cf74","sha256:f869d61f346377c8f5f50d79347601d0281ffe09902b0ce6dcd8a7d714641917"],"state_sha256":"a2483190d748d16a4184be3e26d61e4c31eb57308066f7422bce17c458e09d61"}