{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PZBKSE3HRWZMQI7BF4WTO5PQN2","short_pith_number":"pith:PZBKSE3H","canonical_record":{"source":{"id":"1101.2458","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-01-12T21:58:26Z","cross_cats_sorted":[],"title_canon_sha256":"adf4963851299537afdacb7e79ae8efd3b090447ef4db4661e71e905aff08145","abstract_canon_sha256":"62e7f93d5995d805cad239f46588dc7708f20d1ff2aa914ccc7ca635f1a77d85"},"schema_version":"1.0"},"canonical_sha256":"7e42a913678db2c823e12f2d3775f06eb1edfee7c9b13bdcdf5647a3febf9532","source":{"kind":"arxiv","id":"1101.2458","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2458","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2458v1","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2458","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"PZBKSE3HRWZM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PZBKSE3HRWZMQI7B","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PZBKSE3H","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PZBKSE3HRWZMQI7BF4WTO5PQN2","target":"record","payload":{"canonical_record":{"source":{"id":"1101.2458","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-01-12T21:58:26Z","cross_cats_sorted":[],"title_canon_sha256":"adf4963851299537afdacb7e79ae8efd3b090447ef4db4661e71e905aff08145","abstract_canon_sha256":"62e7f93d5995d805cad239f46588dc7708f20d1ff2aa914ccc7ca635f1a77d85"},"schema_version":"1.0"},"canonical_sha256":"7e42a913678db2c823e12f2d3775f06eb1edfee7c9b13bdcdf5647a3febf9532","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:58.102373Z","signature_b64":"ZeY4KXE201+jVjRZA1UDJnxYc2Xs0F+QExrMJweY0xXEcp94gH611nZipJqWD1ge7AIdL0f00i7l8heJb/rnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e42a913678db2c823e12f2d3775f06eb1edfee7c9b13bdcdf5647a3febf9532","last_reissued_at":"2026-05-18T02:22:58.101554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:58.101554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.2458","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":"2026-05-18T02:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OdTGYQquQKwMlxR/DLrW3SaJF+UY68BWi++9RvduzYPdzUKGrKXXw/PQWEZ9D0Zw8n43uaZ28ih39whyBgzDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T06:51:10.822924Z"},"content_sha256":"c8bfa365a3f72772ff838d5dd2a5ad97799dd75ae9438dcfc53266d00fca5fe3","schema_version":"1.0","event_id":"sha256:c8bfa365a3f72772ff838d5dd2a5ad97799dd75ae9438dcfc53266d00fca5fe3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PZBKSE3HRWZMQI7BF4WTO5PQN2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Derivation of GRB Jet Opening Angles from the Prompt Gamma-Ray Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Adam Goldstein, Alexander J. van der Horst, Andreas von Kienlin, Arne Rau, Charles A. Meegan, Chryssa Kouveliotou, Colleen Wilson-Hodge, Dave Tierney, David Gruber, Elisabetta Bissaldi, Gerald J. Fishman, Gerard Fitzpatrick, J. Michael Burgess, Jochen Greiner, Marc Kippen, Melissa Gibby, Michael S. Briggs, Misty Giles, P. N. Bhat, Robert D. Preece, Roland Diehl, Sheila McBreen, Suzanne Foley, Sylvain Guiriec, Valerie Connaughton, Vandiver Chaplin, William S. Paciesas","submitted_at":"2011-01-12T21:58:26Z","abstract_excerpt":"The jet opening angle of gamma-ray bursts (GRBs) is an important parameter for determining the characteristics of the progenitor, and the information contained in the opening angle gives insight into the relativistic outflow and the total energy that is contained in the burst. Unfortunately, a confident inference of the jet opening angle usually requires broadband measurement of the afterglow of the GRB, from the X-ray down to the radio and from minutes to days after the prompt gamma-ray emission, which may be difficult to obtain. For this reason, very few of all detected GRBs have constrained"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2458","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pU5oRBDlyyezzJMLFfTLwPkZfWU24XQqTcPt7TyR/AJWKXU/w+V4K19Rh0oBIXqkopC3wRerekfLK3NDfP3tBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T06:51:10.823492Z"},"content_sha256":"982d518bb08d96fb5dd6033eaeebd31f555b4a2c7229993117cfd60c87d792e8","schema_version":"1.0","event_id":"sha256:982d518bb08d96fb5dd6033eaeebd31f555b4a2c7229993117cfd60c87d792e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/bundle.json","state_url":"https://pith.science/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/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":"2026-05-19T06:51:10Z","links":{"resolver":"https://pith.science/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2","bundle":"https://pith.science/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/bundle.json","state":"https://pith.science/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZBKSE3HRWZMQI7BF4WTO5PQN2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PZBKSE3HRWZMQI7BF4WTO5PQN2","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":"62e7f93d5995d805cad239f46588dc7708f20d1ff2aa914ccc7ca635f1a77d85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-01-12T21:58:26Z","title_canon_sha256":"adf4963851299537afdacb7e79ae8efd3b090447ef4db4661e71e905aff08145"},"schema_version":"1.0","source":{"id":"1101.2458","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2458","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2458v1","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2458","created_at":"2026-05-18T02:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"PZBKSE3HRWZM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PZBKSE3HRWZMQI7B","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PZBKSE3H","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:982d518bb08d96fb5dd6033eaeebd31f555b4a2c7229993117cfd60c87d792e8","target":"graph","created_at":"2026-05-18T02:22:58Z","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":"The jet opening angle of gamma-ray bursts (GRBs) is an important parameter for determining the characteristics of the progenitor, and the information contained in the opening angle gives insight into the relativistic outflow and the total energy that is contained in the burst. Unfortunately, a confident inference of the jet opening angle usually requires broadband measurement of the afterglow of the GRB, from the X-ray down to the radio and from minutes to days after the prompt gamma-ray emission, which may be difficult to obtain. For this reason, very few of all detected GRBs have constrained","authors_text":"Adam Goldstein, Alexander J. van der Horst, Andreas von Kienlin, Arne Rau, Charles A. Meegan, Chryssa Kouveliotou, Colleen Wilson-Hodge, Dave Tierney, David Gruber, Elisabetta Bissaldi, Gerald J. Fishman, Gerard Fitzpatrick, J. Michael Burgess, Jochen Greiner, Marc Kippen, Melissa Gibby, Michael S. Briggs, Misty Giles, P. N. Bhat, Robert D. Preece, Roland Diehl, Sheila McBreen, Suzanne Foley, Sylvain Guiriec, Valerie Connaughton, Vandiver Chaplin, William S. Paciesas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-01-12T21:58:26Z","title":"A New Derivation of GRB Jet Opening Angles from the Prompt Gamma-Ray Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2458","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:c8bfa365a3f72772ff838d5dd2a5ad97799dd75ae9438dcfc53266d00fca5fe3","target":"record","created_at":"2026-05-18T02:22:58Z","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":"62e7f93d5995d805cad239f46588dc7708f20d1ff2aa914ccc7ca635f1a77d85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-01-12T21:58:26Z","title_canon_sha256":"adf4963851299537afdacb7e79ae8efd3b090447ef4db4661e71e905aff08145"},"schema_version":"1.0","source":{"id":"1101.2458","kind":"arxiv","version":1}},"canonical_sha256":"7e42a913678db2c823e12f2d3775f06eb1edfee7c9b13bdcdf5647a3febf9532","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e42a913678db2c823e12f2d3775f06eb1edfee7c9b13bdcdf5647a3febf9532","first_computed_at":"2026-05-18T02:22:58.101554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:58.101554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZeY4KXE201+jVjRZA1UDJnxYc2Xs0F+QExrMJweY0xXEcp94gH611nZipJqWD1ge7AIdL0f00i7l8heJb/rnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:58.102373Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.2458","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8bfa365a3f72772ff838d5dd2a5ad97799dd75ae9438dcfc53266d00fca5fe3","sha256:982d518bb08d96fb5dd6033eaeebd31f555b4a2c7229993117cfd60c87d792e8"],"state_sha256":"df9fe8ed6d80dd87bd5617c36570d91ff9f1ca77fe18f2b8b82c7b22f39bf8d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZtMNSssjbqfcgKtT92IDFpaISPyirDxfnDo3uGWk43BvDx6bMaLRkT9vetL3J5x5I8kN4CFQEQN0EeyQZN4yCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T06:51:10.826094Z","bundle_sha256":"ee82b632c2824e2bc2296a64971b41d9a900d36d4a6df10f437a6edb6df2ad5f"}}