{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7XMSB5WKUKDEWAQTCV2LZAR2Y4","short_pith_number":"pith:7XMSB5WK","canonical_record":{"source":{"id":"2111.14861","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-29T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"187bafba89818c153f8a47ec52a4b3d04b787ea35507679005a1d77c084f6d9f","abstract_canon_sha256":"3922d8b0cc74563333b3207292f7e545247d67fc7b022e66ff0e4f9828f3c318"},"schema_version":"1.0"},"canonical_sha256":"fdd920f6caa2864b02131574bc823ac70b469ef2bd48c34cbc7e27cc4e6c5e2d","source":{"kind":"arxiv","id":"2111.14861","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.14861","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"arxiv_version","alias_value":"2111.14861v2","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.14861","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_12","alias_value":"7XMSB5WKUKDE","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_16","alias_value":"7XMSB5WKUKDEWAQT","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_8","alias_value":"7XMSB5WK","created_at":"2026-07-05T04:01:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7XMSB5WKUKDEWAQTCV2LZAR2Y4","target":"record","payload":{"canonical_record":{"source":{"id":"2111.14861","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-29T19:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"187bafba89818c153f8a47ec52a4b3d04b787ea35507679005a1d77c084f6d9f","abstract_canon_sha256":"3922d8b0cc74563333b3207292f7e545247d67fc7b022e66ff0e4f9828f3c318"},"schema_version":"1.0"},"canonical_sha256":"fdd920f6caa2864b02131574bc823ac70b469ef2bd48c34cbc7e27cc4e6c5e2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:01:04.957978Z","signature_b64":"tDeR023l/DXBvhv91HxTKodXxPqetJjNKVYW4VTCFnq7m/Dfw0LYbTGed0hn0+G7M/mDpoukJshcj42LXzx7Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fdd920f6caa2864b02131574bc823ac70b469ef2bd48c34cbc7e27cc4e6c5e2d","last_reissued_at":"2026-07-05T04:01:04.957421Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:01:04.957421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.14861","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:01:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xvcjRIKeikoEpdkX7wdX+5Ur5M4qLJ/7WfmB9pbI77WteKSf1QrWXzTOO9zeZZBXS2M/+P5U1Vk6XCBfm1azCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:26:18.792531Z"},"content_sha256":"ab60c8a8a05a3dafcd6f25dfa653f0b298383db0c9dedac24b9b47436eda1508","schema_version":"1.0","event_id":"sha256:ab60c8a8a05a3dafcd6f25dfa653f0b298383db0c9dedac24b9b47436eda1508"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7XMSB5WKUKDEWAQTCV2LZAR2Y4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The early afterglow of GRB 190829A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Y. Lien, B. O'Connor, D. A. H. Buckley, D. Vlasenko, E. Gorbovskoy, E. Liuzzo, E. Troja, F. Podesta, G. Ryan, I. Gorbunov, M. Serra, N. R. Butler, N. Tyurina, P. Balanutsa, R. G. Cosentino, R. Podesta, R. Rebolo, R. Ricci, S. B. Cenko, S. Dichiara, S. R. Oates, V. Lipunov","submitted_at":"2021-11-29T19:00:01Z","abstract_excerpt":"GRB 190829A at z=0.0785 is the fourth closest long GRB ever detected by the Neil Gehrels Swift observatory, and the third confirmed case with a very high energy component. We present our multi-wavelength analysis of this rare event, focusing on its early stages of evolution, and including data from Swift, the MASTER global network of optical telescopes, ALMA, and ATCA. We report sensitive limits on the linear polarization of the optical emission, disfavouring models of off-axis jets to explain the delayed afterglow peak. The study of the multi-wavelength light curves and broadband spectra supp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.14861","kind":"arxiv","version":2},"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/2111.14861/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":"2026-07-05T04:01:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Yer+mmsEZBxEqfXp+Mr5xRlOi3o3kpgIZLVryjvsv/ZKl4z4e+sqPJNyymeaCtEq84BWd/K/tlBFL1VJoXICg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:26:18.793514Z"},"content_sha256":"be1fecb215a3a9f40bb4dda4d893df8837ee124db60de8bef73c9047891b26bd","schema_version":"1.0","event_id":"sha256:be1fecb215a3a9f40bb4dda4d893df8837ee124db60de8bef73c9047891b26bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/bundle.json","state_url":"https://pith.science/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/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":"2026-08-07T08:26:18Z","links":{"resolver":"https://pith.science/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4","bundle":"https://pith.science/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/bundle.json","state":"https://pith.science/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7XMSB5WKUKDEWAQTCV2LZAR2Y4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7XMSB5WKUKDEWAQTCV2LZAR2Y4","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":"3922d8b0cc74563333b3207292f7e545247d67fc7b022e66ff0e4f9828f3c318","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-29T19:00:01Z","title_canon_sha256":"187bafba89818c153f8a47ec52a4b3d04b787ea35507679005a1d77c084f6d9f"},"schema_version":"1.0","source":{"id":"2111.14861","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.14861","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"arxiv_version","alias_value":"2111.14861v2","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.14861","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_12","alias_value":"7XMSB5WKUKDE","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_16","alias_value":"7XMSB5WKUKDEWAQT","created_at":"2026-07-05T04:01:04Z"},{"alias_kind":"pith_short_8","alias_value":"7XMSB5WK","created_at":"2026-07-05T04:01:04Z"}],"graph_snapshots":[{"event_id":"sha256:be1fecb215a3a9f40bb4dda4d893df8837ee124db60de8bef73c9047891b26bd","target":"graph","created_at":"2026-07-05T04:01:04Z","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/2111.14861/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"GRB 190829A at z=0.0785 is the fourth closest long GRB ever detected by the Neil Gehrels Swift observatory, and the third confirmed case with a very high energy component. We present our multi-wavelength analysis of this rare event, focusing on its early stages of evolution, and including data from Swift, the MASTER global network of optical telescopes, ALMA, and ATCA. We report sensitive limits on the linear polarization of the optical emission, disfavouring models of off-axis jets to explain the delayed afterglow peak. The study of the multi-wavelength light curves and broadband spectra supp","authors_text":"A. Y. Lien, B. O'Connor, D. A. H. Buckley, D. Vlasenko, E. Gorbovskoy, E. Liuzzo, E. Troja, F. Podesta, G. Ryan, I. Gorbunov, M. Serra, N. R. Butler, N. Tyurina, P. Balanutsa, R. G. Cosentino, R. Podesta, R. Rebolo, R. Ricci, S. B. Cenko, S. Dichiara, S. R. Oates, V. Lipunov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-29T19:00:01Z","title":"The early afterglow of GRB 190829A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.14861","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:ab60c8a8a05a3dafcd6f25dfa653f0b298383db0c9dedac24b9b47436eda1508","target":"record","created_at":"2026-07-05T04:01:04Z","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":"3922d8b0cc74563333b3207292f7e545247d67fc7b022e66ff0e4f9828f3c318","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-11-29T19:00:01Z","title_canon_sha256":"187bafba89818c153f8a47ec52a4b3d04b787ea35507679005a1d77c084f6d9f"},"schema_version":"1.0","source":{"id":"2111.14861","kind":"arxiv","version":2}},"canonical_sha256":"fdd920f6caa2864b02131574bc823ac70b469ef2bd48c34cbc7e27cc4e6c5e2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fdd920f6caa2864b02131574bc823ac70b469ef2bd48c34cbc7e27cc4e6c5e2d","first_computed_at":"2026-07-05T04:01:04.957421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:01:04.957421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tDeR023l/DXBvhv91HxTKodXxPqetJjNKVYW4VTCFnq7m/Dfw0LYbTGed0hn0+G7M/mDpoukJshcj42LXzx7Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:01:04.957978Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.14861","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab60c8a8a05a3dafcd6f25dfa653f0b298383db0c9dedac24b9b47436eda1508","sha256:be1fecb215a3a9f40bb4dda4d893df8837ee124db60de8bef73c9047891b26bd"],"state_sha256":"4b20d36940e72e905e2ed7e4f11c3900b8fdae272c759805a72399d06afddd1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JDNfw1eAtMHlOTS4m1g0FDqloFEGNKsBDLmGrWlrAzHMDOZzYn+ygBnULOiPL9vs8KpCLOzuqz7eUdB34VKiDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:26:18.800728Z","bundle_sha256":"fbf2a7d9e06a1192a8b0bf96122e02e84795d46d9b1fa60542bbe5de39297dee"}}