{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QLRJEIYJ4O6MFRAKPVQRU6YCZ2","short_pith_number":"pith:QLRJEIYJ","canonical_record":{"source":{"id":"2111.15168","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-30T07:08:13Z","cross_cats_sorted":[],"title_canon_sha256":"6f1e874950583604c2829c93f05cf5de4f5b04ea730b6c6b7c24c3e57d6d8e2b","abstract_canon_sha256":"3074323e2cc498b0d200af9237b1614134b1d6724626277c358a4b19f265367a"},"schema_version":"1.0"},"canonical_sha256":"82e2922309e3bcc2c40a7d611a7b02ce9df655cdf6b81b2ea984aa925930bb9e","source":{"kind":"arxiv","id":"2111.15168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.15168","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"2111.15168v1","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.15168","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"QLRJEIYJ4O6M","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_16","alias_value":"QLRJEIYJ4O6MFRAK","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_8","alias_value":"QLRJEIYJ","created_at":"2026-07-05T03:58:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QLRJEIYJ4O6MFRAKPVQRU6YCZ2","target":"record","payload":{"canonical_record":{"source":{"id":"2111.15168","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-30T07:08:13Z","cross_cats_sorted":[],"title_canon_sha256":"6f1e874950583604c2829c93f05cf5de4f5b04ea730b6c6b7c24c3e57d6d8e2b","abstract_canon_sha256":"3074323e2cc498b0d200af9237b1614134b1d6724626277c358a4b19f265367a"},"schema_version":"1.0"},"canonical_sha256":"82e2922309e3bcc2c40a7d611a7b02ce9df655cdf6b81b2ea984aa925930bb9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:58:58.507235Z","signature_b64":"KlPBqbYgAdLK4rX2hDFHbnoT58Lw9oodvkwWUP/Utk5KgPcj/nVMTMiuE9y+YUX3SXF+V79Qu3x01W2GVYnGDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82e2922309e3bcc2c40a7d611a7b02ce9df655cdf6b81b2ea984aa925930bb9e","last_reissued_at":"2026-07-05T03:58:58.506700Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:58:58.506700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.15168","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":"2026-07-05T03:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XHRGVeW/+4Huwvmk1a7aw5B7E0WcOsDUD/in1vSOKJMaFlJoZvQQIDmmzaMqu/BEq7oUuamH2uh+hIE/IAs/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:53:41.629865Z"},"content_sha256":"e9dc484dedea5037c6d2747b395c37a2747aef7476c9c6c82cd2e02b92a8bbdf","schema_version":"1.0","event_id":"sha256:e9dc484dedea5037c6d2747b395c37a2747aef7476c9c6c82cd2e02b92a8bbdf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QLRJEIYJ4O6MFRAKPVQRU6YCZ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GRB 191016A: The onset of the forward shock and evidence of late energy injection","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. M. Watson, A. S. Kutyrev, E. Fraire-Bonilla, E. Ramirez-Ruiz, E. Troja, F. De Colle, J. J. Gonz\\'alez, J. S. Bloom, J. X. Prochaska, M. G. Richer, M. Pereyra, N. Fraija, N. R. Butler, R. L. Becerra, S. Dichiara, W. H. Lee","submitted_at":"2021-11-30T07:08:13Z","abstract_excerpt":"We present optical and near-infrared photometric observations of GRB 191016 with the COATLI, DDOTI and RATIR ground-based telescopes over the first three nights. We present the temporal evolution of the optical afterglow and describe 5 different stages that were not completely characterized in previous works, mainly due to scarcity of data points to accurately fit the different components of the optical emission. After the end of the prompt gamma-ray emission, we observed the afterglow rise slowly in the optical and near-infrared (NIR) wavelengths and peak at around T+1450s in all filters. Thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.15168","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.15168/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5nE9Sq3kJ9o5s67cQNA3fPbLDjb2csXWDbTJylOfrFvYi36V90taa6zbdG/qcAHK+tV29nAuyHYwX1ahpHUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:53:41.630188Z"},"content_sha256":"0504de1ee71f72aa4dc84a33789ea4950becb00929d653cec87bf47965cce3ee","schema_version":"1.0","event_id":"sha256:0504de1ee71f72aa4dc84a33789ea4950becb00929d653cec87bf47965cce3ee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/bundle.json","state_url":"https://pith.science/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/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":"2026-08-12T03:53:41Z","links":{"resolver":"https://pith.science/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2","bundle":"https://pith.science/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/bundle.json","state":"https://pith.science/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QLRJEIYJ4O6MFRAKPVQRU6YCZ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QLRJEIYJ4O6MFRAKPVQRU6YCZ2","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":"3074323e2cc498b0d200af9237b1614134b1d6724626277c358a4b19f265367a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-30T07:08:13Z","title_canon_sha256":"6f1e874950583604c2829c93f05cf5de4f5b04ea730b6c6b7c24c3e57d6d8e2b"},"schema_version":"1.0","source":{"id":"2111.15168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.15168","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"2111.15168v1","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.15168","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"QLRJEIYJ4O6M","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_16","alias_value":"QLRJEIYJ4O6MFRAK","created_at":"2026-07-05T03:58:58Z"},{"alias_kind":"pith_short_8","alias_value":"QLRJEIYJ","created_at":"2026-07-05T03:58:58Z"}],"graph_snapshots":[{"event_id":"sha256:0504de1ee71f72aa4dc84a33789ea4950becb00929d653cec87bf47965cce3ee","target":"graph","created_at":"2026-07-05T03:58:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.15168/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present optical and near-infrared photometric observations of GRB 191016 with the COATLI, DDOTI and RATIR ground-based telescopes over the first three nights. We present the temporal evolution of the optical afterglow and describe 5 different stages that were not completely characterized in previous works, mainly due to scarcity of data points to accurately fit the different components of the optical emission. After the end of the prompt gamma-ray emission, we observed the afterglow rise slowly in the optical and near-infrared (NIR) wavelengths and peak at around T+1450s in all filters. Thi","authors_text":"A. M. Watson, A. S. Kutyrev, E. Fraire-Bonilla, E. Ramirez-Ruiz, E. Troja, F. De Colle, J. J. Gonz\\'alez, J. S. Bloom, J. X. Prochaska, M. G. Richer, M. Pereyra, N. Fraija, N. R. Butler, R. L. Becerra, S. Dichiara, W. H. Lee","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-30T07:08:13Z","title":"GRB 191016A: The onset of the forward shock and evidence of late energy injection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.15168","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:e9dc484dedea5037c6d2747b395c37a2747aef7476c9c6c82cd2e02b92a8bbdf","target":"record","created_at":"2026-07-05T03:58:58Z","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":"3074323e2cc498b0d200af9237b1614134b1d6724626277c358a4b19f265367a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-30T07:08:13Z","title_canon_sha256":"6f1e874950583604c2829c93f05cf5de4f5b04ea730b6c6b7c24c3e57d6d8e2b"},"schema_version":"1.0","source":{"id":"2111.15168","kind":"arxiv","version":1}},"canonical_sha256":"82e2922309e3bcc2c40a7d611a7b02ce9df655cdf6b81b2ea984aa925930bb9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82e2922309e3bcc2c40a7d611a7b02ce9df655cdf6b81b2ea984aa925930bb9e","first_computed_at":"2026-07-05T03:58:58.506700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:58:58.506700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KlPBqbYgAdLK4rX2hDFHbnoT58Lw9oodvkwWUP/Utk5KgPcj/nVMTMiuE9y+YUX3SXF+V79Qu3x01W2GVYnGDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:58:58.507235Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.15168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9dc484dedea5037c6d2747b395c37a2747aef7476c9c6c82cd2e02b92a8bbdf","sha256:0504de1ee71f72aa4dc84a33789ea4950becb00929d653cec87bf47965cce3ee"],"state_sha256":"c854bdf6a9274261e84acfab5b94cda300691fa443bdebe6b343580e08fc80e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vDkoPTz8NIhcFSDE1uKcAF8rW5izQWcvYiTwpXxTxRy3m9lTzrWg9VYMmsmpk2mg5svJJZVsHLv9kbb15gAyCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T03:53:41.633941Z","bundle_sha256":"edb8ec589a5f406d9cec69c2994e7107ba8f78faad8af62694a45c13251d78be"}}