{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:PNST64OKQTK7TKELSCDFGZ54UQ","short_pith_number":"pith:PNST64OK","schema_version":"1.0","canonical_sha256":"7b653f71ca84d5f9a88b90865367bca43b71140223056c91b8c106ea5ae853a0","source":{"kind":"arxiv","id":"1602.02363","version":1},"attestation_state":"computed","paper":{"title":"Analysis of the observed and intrinsic durations of gamma-ray bursts with known redshift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Mariusz Tarnopolski","submitted_at":"2016-02-07T11:55:51Z","abstract_excerpt":"The duration distribution of 408 GRBs with measured both duration $T_{90}$ and redshift $z$ is examined. Mixtures of a number of distributions (standard normal, skew-normal, sinh-arcsinh, and alpha-skew-normal) are fitted to the observed and intrinsic durations using the maximum log-likelihood method. The best fit is chosen via the Akaike information critetion. The aim of this work is to assess the presence of the presumed intermediate GRB class, and to provide a phenomenological model more appropriate than the common mixture of standard Gaussians. While $\\log T^{obs}_{90}$ are well described "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1602.02363","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-02-07T11:55:51Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"dd59e2794b21b1bced791cd9f84302a5df2c2261fe482a68671fdbb28262f464","abstract_canon_sha256":"e252d87cf8eee09a228ff498fe1bf05d77fe1f7f22b0a3c9fac2a95798fa55e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:17.444244Z","signature_b64":"FSelu53kRIHplMznUZYdQlx+45lrSQSIFyhMzZ36Mdb6lRwrg2ch7kvGOszJ7QhVH+0/ntsjsDNK/aUUgn5JDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b653f71ca84d5f9a88b90865367bca43b71140223056c91b8c106ea5ae853a0","last_reissued_at":"2026-05-18T01:17:17.443591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:17.443591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Analysis of the observed and intrinsic durations of gamma-ray bursts with known redshift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Mariusz Tarnopolski","submitted_at":"2016-02-07T11:55:51Z","abstract_excerpt":"The duration distribution of 408 GRBs with measured both duration $T_{90}$ and redshift $z$ is examined. Mixtures of a number of distributions (standard normal, skew-normal, sinh-arcsinh, and alpha-skew-normal) are fitted to the observed and intrinsic durations using the maximum log-likelihood method. The best fit is chosen via the Akaike information critetion. The aim of this work is to assess the presence of the presumed intermediate GRB class, and to provide a phenomenological model more appropriate than the common mixture of standard Gaussians. While $\\log T^{obs}_{90}$ are well described "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.02363","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1602.02363","created_at":"2026-05-18T01:17:17.443696+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.02363v1","created_at":"2026-05-18T01:17:17.443696+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.02363","created_at":"2026-05-18T01:17:17.443696+00:00"},{"alias_kind":"pith_short_12","alias_value":"PNST64OKQTK7","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"PNST64OKQTK7TKEL","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"PNST64OK","created_at":"2026-05-18T12:30:39.010887+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ","json":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ.json","graph_json":"https://pith.science/api/pith-number/PNST64OKQTK7TKELSCDFGZ54UQ/graph.json","events_json":"https://pith.science/api/pith-number/PNST64OKQTK7TKELSCDFGZ54UQ/events.json","paper":"https://pith.science/paper/PNST64OK"},"agent_actions":{"view_html":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ","download_json":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ.json","view_paper":"https://pith.science/paper/PNST64OK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.02363&json=true","fetch_graph":"https://pith.science/api/pith-number/PNST64OKQTK7TKELSCDFGZ54UQ/graph.json","fetch_events":"https://pith.science/api/pith-number/PNST64OKQTK7TKELSCDFGZ54UQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ/action/storage_attestation","attest_author":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ/action/author_attestation","sign_citation":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ/action/citation_signature","submit_replication":"https://pith.science/pith/PNST64OKQTK7TKELSCDFGZ54UQ/action/replication_record"}},"created_at":"2026-05-18T01:17:17.443696+00:00","updated_at":"2026-05-18T01:17:17.443696+00:00"}