{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UGMEV64M7P6OIBBEJRS6XAL7GR","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":"ffd601bbf739656fb4afbfeb0b78d73575f4dad50fcce4e70563828a50f36b57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-22T04:05:22Z","title_canon_sha256":"3d9017faf9cf4f5f22e2473000dda5b7532e102441790df82a28bc97a12d54d9"},"schema_version":"1.0","source":{"id":"1110.4943","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4943","created_at":"2026-05-18T04:04:29Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4943v2","created_at":"2026-05-18T04:04:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4943","created_at":"2026-05-18T04:04:29Z"},{"alias_kind":"pith_short_12","alias_value":"UGMEV64M7P6O","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UGMEV64M7P6OIBBE","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UGMEV64M","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:00f83368f378f1f2f46650df031f90c42e0396cfc2c4658b52e7ba2f25d7785d","target":"graph","created_at":"2026-05-18T04:04:29Z","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":"Apparent redshift dependence of the jet opening angles ($\\theta_{\\rm j}$) of gamma-ray bursts (GRBs) is observed from current GRB sample. We investigate whether this dependence can be explained with instrumental selection effects and observational biases by a bootstrapping method. Assuming that (1) the GRB rate follows the star formation history and the cosmic metallicity history and (2) the intrinsic distributions of the jet-corrected luminosity ($L_{\\rm \\gamma}$) and $\\theta_{\\rm j}$ are a Gaussian or a power-law function, we generate a mock {\\em Swift}/BAT sample by considering various inst","authors_text":"En-Wei Liang, Jun-Jie Wei, Rui-Jing Lu, Shu-Fu Qin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-22T04:05:22Z","title":"Selection Effects on the Observed Redshift Dependence of GRB Jet Opening Angles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4943","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:d76ad2772cfeef578be8d765be0b677edec068f09322188863bad161172b7d68","target":"record","created_at":"2026-05-18T04:04:29Z","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":"ffd601bbf739656fb4afbfeb0b78d73575f4dad50fcce4e70563828a50f36b57","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-22T04:05:22Z","title_canon_sha256":"3d9017faf9cf4f5f22e2473000dda5b7532e102441790df82a28bc97a12d54d9"},"schema_version":"1.0","source":{"id":"1110.4943","kind":"arxiv","version":2}},"canonical_sha256":"a1984afb8cfbfce404244c65eb817f34631c68aed6a26c754b55e6d18b84c613","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1984afb8cfbfce404244c65eb817f34631c68aed6a26c754b55e6d18b84c613","first_computed_at":"2026-05-18T04:04:29.731183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:29.731183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iB9REcfO5VeYCf5NgcqgN6aA24csX1Xwo9GAuf+M7Ih0JXViQrT/ysyAJrw0fQxGsRl4lqT1gjuK1eSjbXITAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:29.731672Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.4943","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d76ad2772cfeef578be8d765be0b677edec068f09322188863bad161172b7d68","sha256:00f83368f378f1f2f46650df031f90c42e0396cfc2c4658b52e7ba2f25d7785d"],"state_sha256":"f8251aca90de7b39f18d4128fec33a748ae55c33986f13aca4a9040f2b34eab4"}