{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3IKEGG5URVWVISKQCZIAKPGQCO","short_pith_number":"pith:3IKEGG5U","canonical_record":{"source":{"id":"2207.09605","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-20T00:51:01Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"3544f1d7cd5b1f217b45318ffea29b32e8968c173b05460ec1a71004a69d72bb","abstract_canon_sha256":"c9dc4b0098790b1dace6e9d0ab444b73cac0747e3c37a85792f5d19499c149b8"},"schema_version":"1.0"},"canonical_sha256":"da14431bb48d6d5449501650053cd013b726ab4098ecc045ea9f5d95084ff528","source":{"kind":"arxiv","id":"2207.09605","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09605","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09605v1","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09605","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_12","alias_value":"3IKEGG5URVWV","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_16","alias_value":"3IKEGG5URVWVISKQ","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_8","alias_value":"3IKEGG5U","created_at":"2026-07-05T04:51:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3IKEGG5URVWVISKQCZIAKPGQCO","target":"record","payload":{"canonical_record":{"source":{"id":"2207.09605","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-20T00:51:01Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"3544f1d7cd5b1f217b45318ffea29b32e8968c173b05460ec1a71004a69d72bb","abstract_canon_sha256":"c9dc4b0098790b1dace6e9d0ab444b73cac0747e3c37a85792f5d19499c149b8"},"schema_version":"1.0"},"canonical_sha256":"da14431bb48d6d5449501650053cd013b726ab4098ecc045ea9f5d95084ff528","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:51:42.373603Z","signature_b64":"Z+RQmpbP3xMZANPsXi/fJ3jGl3fWgp2Y+/lr+iK+jz6QZFVz1Na5Hso/icFg4vDLiklDtgJgouEtYzUWk9xACw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da14431bb48d6d5449501650053cd013b726ab4098ecc045ea9f5d95084ff528","last_reissued_at":"2026-07-05T04:51:42.373186Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:51:42.373186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.09605","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":"2026-07-05T04:51:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VK59p5yDDOgj4/6UMncwQmO4x91Pd2t26ZpmWvsb8Wnv3T3dWNh5VzjZkxBMxvvAGT1NTvR9JoozKOlHWbyFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T04:53:53.393066Z"},"content_sha256":"04236546dbec03b23f53ad15a95f64f52cc6d6aa7e6f935497f9bf15f55dbb77","schema_version":"1.0","event_id":"sha256:04236546dbec03b23f53ad15a95f64f52cc6d6aa7e6f935497f9bf15f55dbb77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3IKEGG5URVWVISKQCZIAKPGQCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hard X-ray polarization catalog for a 5-year sample of Gamma-Ray Bursts using AstroSat CZT-Imager","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Abhay Kumar, Ajay Ratheesh, Ajay Vibhute, Anastasia Tsvetkova, A. R. Rao, C. S. Vaishnava, Dipankar Bhattacharya, Divita Saraogi, Dmitry Frederiks, E. Aarthy, N.P.S. Mithun, Rahul Gupta, Santosh Vadawale, Shabnam Iyyani, Soumya Gupta, Tanmoy Chattopadhyay, Varun Bhalerao, Vidushi Sharma, Vipul Prasad","submitted_at":"2022-07-20T00:51:01Z","abstract_excerpt":"Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has been regularly detecting Gamma-Ray Bursts (GRBs) since its launch in 2015. Its sensitivity to polarization measurements at energies above 100 keV allows CZTI to attempt spectro-polarimetric studies of GRBs. Here, we present the first catalog of GRB polarization measurements made by CZTI during its first five years of operation. This presents the time integrated polarization measurements of the prompt emission of 20 GRBs in the energy range 100-600 keV. The sample includes the bright GRBs which were detected within an angle range of 0-60 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09605","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/2207.09605/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":"2026-07-05T04:51:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dOtfODi0m5kdsCPIslZfbkms3zA+bTtJiNpg9o1XCuMny42LiGykIUI6xPd40NkXPsVpBs9ZEmH+MYMM7etDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T04:53:53.399065Z"},"content_sha256":"1bcc6eb8242bb0fefef50808ddee32c9a80ccf4bc7dae5c71847d5c93a521fff","schema_version":"1.0","event_id":"sha256:1bcc6eb8242bb0fefef50808ddee32c9a80ccf4bc7dae5c71847d5c93a521fff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3IKEGG5URVWVISKQCZIAKPGQCO/bundle.json","state_url":"https://pith.science/pith/3IKEGG5URVWVISKQCZIAKPGQCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3IKEGG5URVWVISKQCZIAKPGQCO/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":"2026-08-20T04:53:53Z","links":{"resolver":"https://pith.science/pith/3IKEGG5URVWVISKQCZIAKPGQCO","bundle":"https://pith.science/pith/3IKEGG5URVWVISKQCZIAKPGQCO/bundle.json","state":"https://pith.science/pith/3IKEGG5URVWVISKQCZIAKPGQCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3IKEGG5URVWVISKQCZIAKPGQCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3IKEGG5URVWVISKQCZIAKPGQCO","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":"c9dc4b0098790b1dace6e9d0ab444b73cac0747e3c37a85792f5d19499c149b8","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-20T00:51:01Z","title_canon_sha256":"3544f1d7cd5b1f217b45318ffea29b32e8968c173b05460ec1a71004a69d72bb"},"schema_version":"1.0","source":{"id":"2207.09605","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09605","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09605v1","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09605","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_12","alias_value":"3IKEGG5URVWV","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_16","alias_value":"3IKEGG5URVWVISKQ","created_at":"2026-07-05T04:51:42Z"},{"alias_kind":"pith_short_8","alias_value":"3IKEGG5U","created_at":"2026-07-05T04:51:42Z"}],"graph_snapshots":[{"event_id":"sha256:1bcc6eb8242bb0fefef50808ddee32c9a80ccf4bc7dae5c71847d5c93a521fff","target":"graph","created_at":"2026-07-05T04:51:42Z","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/2207.09605/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has been regularly detecting Gamma-Ray Bursts (GRBs) since its launch in 2015. Its sensitivity to polarization measurements at energies above 100 keV allows CZTI to attempt spectro-polarimetric studies of GRBs. Here, we present the first catalog of GRB polarization measurements made by CZTI during its first five years of operation. This presents the time integrated polarization measurements of the prompt emission of 20 GRBs in the energy range 100-600 keV. The sample includes the bright GRBs which were detected within an angle range of 0-60 ","authors_text":"Abhay Kumar, Ajay Ratheesh, Ajay Vibhute, Anastasia Tsvetkova, A. R. Rao, C. S. Vaishnava, Dipankar Bhattacharya, Divita Saraogi, Dmitry Frederiks, E. Aarthy, N.P.S. Mithun, Rahul Gupta, Santosh Vadawale, Shabnam Iyyani, Soumya Gupta, Tanmoy Chattopadhyay, Varun Bhalerao, Vidushi Sharma, Vipul Prasad","cross_cats":["astro-ph.IM","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-20T00:51:01Z","title":"Hard X-ray polarization catalog for a 5-year sample of Gamma-Ray Bursts using AstroSat CZT-Imager"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09605","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":"sha256:04236546dbec03b23f53ad15a95f64f52cc6d6aa7e6f935497f9bf15f55dbb77","target":"record","created_at":"2026-07-05T04:51:42Z","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":"c9dc4b0098790b1dace6e9d0ab444b73cac0747e3c37a85792f5d19499c149b8","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-07-20T00:51:01Z","title_canon_sha256":"3544f1d7cd5b1f217b45318ffea29b32e8968c173b05460ec1a71004a69d72bb"},"schema_version":"1.0","source":{"id":"2207.09605","kind":"arxiv","version":1}},"canonical_sha256":"da14431bb48d6d5449501650053cd013b726ab4098ecc045ea9f5d95084ff528","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da14431bb48d6d5449501650053cd013b726ab4098ecc045ea9f5d95084ff528","first_computed_at":"2026-07-05T04:51:42.373186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:51:42.373186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z+RQmpbP3xMZANPsXi/fJ3jGl3fWgp2Y+/lr+iK+jz6QZFVz1Na5Hso/icFg4vDLiklDtgJgouEtYzUWk9xACw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:51:42.373603Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.09605","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04236546dbec03b23f53ad15a95f64f52cc6d6aa7e6f935497f9bf15f55dbb77","sha256:1bcc6eb8242bb0fefef50808ddee32c9a80ccf4bc7dae5c71847d5c93a521fff"],"state_sha256":"37ffb6d93be3c9fa024a7be4da806bb07bafaceb585e1d79de7b52d731cc29a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K0Q5MzoCgpfBZgATB6QflM9IhFqK3QdBiD3ELJO+phG5u5mjU+SznIOYpo2vNwH1/2TXPkSRl/yl6lCU0b4GAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T04:53:53.406795Z","bundle_sha256":"0afa0c38c48096cad4c12185be5aa0c8e14971b1083c5400fff39715bd4b3339"}}