{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:KC6Q5VQVVC2G2T3R3IIIXG3FQY","short_pith_number":"pith:KC6Q5VQV","canonical_record":{"source":{"id":"2301.04498","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-11T14:48:12Z","cross_cats_sorted":[],"title_canon_sha256":"a6a99c81edb915e50332ad3ae9f8b17a0ea76882c91a41e7769893c781f14008","abstract_canon_sha256":"6523833a0997d317a15e516d5b53848901b72852f81496ed44cc8cc880568ea9"},"schema_version":"1.0"},"canonical_sha256":"50bd0ed615a8b46d4f71da108b9b6586080e82ce4798185b965d634d5bb3089e","source":{"kind":"arxiv","id":"2301.04498","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.04498","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"arxiv_version","alias_value":"2301.04498v2","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.04498","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_12","alias_value":"KC6Q5VQVVC2G","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"KC6Q5VQVVC2G2T3R","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"KC6Q5VQV","created_at":"2026-07-05T05:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:KC6Q5VQVVC2G2T3R3IIIXG3FQY","target":"record","payload":{"canonical_record":{"source":{"id":"2301.04498","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-11T14:48:12Z","cross_cats_sorted":[],"title_canon_sha256":"a6a99c81edb915e50332ad3ae9f8b17a0ea76882c91a41e7769893c781f14008","abstract_canon_sha256":"6523833a0997d317a15e516d5b53848901b72852f81496ed44cc8cc880568ea9"},"schema_version":"1.0"},"canonical_sha256":"50bd0ed615a8b46d4f71da108b9b6586080e82ce4798185b965d634d5bb3089e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:32:50.560981Z","signature_b64":"9ktBSjbITAhQRe+hIfdTkYxx8YsXQ3mOhrRcvgjiIuYUsgd0C/wIlCFtAiYQ6MmodkQP87/dVywYuF/YHFGaBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50bd0ed615a8b46d4f71da108b9b6586080e82ce4798185b965d634d5bb3089e","last_reissued_at":"2026-07-05T05:32:50.560528Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:32:50.560528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.04498","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":"2026-07-05T05:32:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WXu3D6EuzUe/cEyLqocFydXFElZnLuikuMfAvnqeHId1Dyo0PRmlMKmwYnw6hEaM453eNHED6Jp2ieqHKelcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:37:18.343549Z"},"content_sha256":"2bdcb44a16e1f848539d8e762a6c85e7f07eb44e15d0d7f2f69fb5855c0af0e1","schema_version":"1.0","event_id":"sha256:2bdcb44a16e1f848539d8e762a6c85e7f07eb44e15d0d7f2f69fb5855c0af0e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:KC6Q5VQVVC2G2T3R3IIIXG3FQY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VTSCat: The VERITAS Catalog of Gamma-Ray Observations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Acharyya, A. Archer, A. Basu-Zych, A. Brill, A. C. Rovero, A. Falcone, A. Furniss, A. Gent, A. J. Chromey, A. N. Otte, A. Pichel, A. Smale, A. Weinstein, B. Stevenson, C. B. Adams, C. E McGrath, C. Giuri, C. L. Mooney, C. Rulten, D. A. Williams, D. Hanna, D. Kieda, D. Nieto, D. Pandel, D. Ribeiro, D. Tak, E. Pueschel, E. Roache, E. Sabol, F. Krennrich, G. Gallagher, G. H. Sembroski, G. Hughes, G. Maier, G. M Foote, G. T. Richards, I. Sadeh, J. H. Buckley, J. Hoang, J. Holder, J. L. Christiansen, J. L. Ryan, J. P. Finley, J. Quinn, J. T. Bartkoske, K. A Farrell, K. Pfrang, K. Ragan, L. Angelini, L. Fortson, M. Capasso, M. Errando, M. J. Lang, M. J Millard, M. K. Daniel, M. Kertzman, M. Lundy, M. Nievas-Rosillo, M. Pohl, M. Santander, M. Splettstoesser, N. Korzoun, N. Park, O. Gueta, O. Hervet, P. Bangale, P. Batista, P. Kaaret, P. Moriarty, P. T. Reynolds, Q. Feng, R. A. Ong, R. Mukherjee, R. R. Prado, R. Shang, S. Kumar, S. O'Brien, S. Patel, S. P. Wakely, S. R. Patel, S. Schlenstedt, T. B. Humensky, T. Hassan, T. J Williamson, T. K. Kleiner, V. V. Vassiliev, W. Benbow, W. F Hanlon, W. Jin","submitted_at":"2023-01-11T14:48:12Z","abstract_excerpt":"The ground-based gamma-ray observatory VERITAS (Very Energetic Radiation Imaging Telescope Array System) is sensitive to photons of astrophysical origin with energies in the range between $\\approx 85$ GeV to $\\approx 30$ TeV. The instrument consists of four 12-m diameter imaging Cherenkov telescopes operating at the Fred Lawrence Whipple Observatory (FLWO) in southern Arizona. VERITAS started four-telescope operations in 2007 and collects about 1100 hours of good-weather data per year. The VERITAS collaboration has published over 100 journal articles since 2008 reporting on gamma-ray observati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.04498","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/2301.04498/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":"2026-07-05T05:32:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1hQg1b5I/7ZWNDMLeWL8nxshpJXLxY0kghMsvThACsvRtBxkZwsJeE5XNAtBF3WlxAGpp9trgahgIi05MZYXBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:37:18.344333Z"},"content_sha256":"16ae656428601cab9c31f663f5e22b393ecb4879164b11a92adcca94078b6243","schema_version":"1.0","event_id":"sha256:16ae656428601cab9c31f663f5e22b393ecb4879164b11a92adcca94078b6243"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/bundle.json","state_url":"https://pith.science/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/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":"2026-07-05T15:37:18Z","links":{"resolver":"https://pith.science/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY","bundle":"https://pith.science/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/bundle.json","state":"https://pith.science/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KC6Q5VQVVC2G2T3R3IIIXG3FQY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:KC6Q5VQVVC2G2T3R3IIIXG3FQY","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":"6523833a0997d317a15e516d5b53848901b72852f81496ed44cc8cc880568ea9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-11T14:48:12Z","title_canon_sha256":"a6a99c81edb915e50332ad3ae9f8b17a0ea76882c91a41e7769893c781f14008"},"schema_version":"1.0","source":{"id":"2301.04498","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.04498","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"arxiv_version","alias_value":"2301.04498v2","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.04498","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_12","alias_value":"KC6Q5VQVVC2G","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"KC6Q5VQVVC2G2T3R","created_at":"2026-07-05T05:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"KC6Q5VQV","created_at":"2026-07-05T05:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:16ae656428601cab9c31f663f5e22b393ecb4879164b11a92adcca94078b6243","target":"graph","created_at":"2026-07-05T05:32:50Z","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/2301.04498/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ground-based gamma-ray observatory VERITAS (Very Energetic Radiation Imaging Telescope Array System) is sensitive to photons of astrophysical origin with energies in the range between $\\approx 85$ GeV to $\\approx 30$ TeV. The instrument consists of four 12-m diameter imaging Cherenkov telescopes operating at the Fred Lawrence Whipple Observatory (FLWO) in southern Arizona. VERITAS started four-telescope operations in 2007 and collects about 1100 hours of good-weather data per year. The VERITAS collaboration has published over 100 journal articles since 2008 reporting on gamma-ray observati","authors_text":"A. Acharyya, A. Archer, A. Basu-Zych, A. Brill, A. C. Rovero, A. Falcone, A. Furniss, A. Gent, A. J. Chromey, A. N. Otte, A. Pichel, A. Smale, A. Weinstein, B. Stevenson, C. B. Adams, C. E McGrath, C. Giuri, C. L. Mooney, C. Rulten, D. A. Williams, D. Hanna, D. Kieda, D. Nieto, D. Pandel, D. Ribeiro, D. Tak, E. Pueschel, E. Roache, E. Sabol, F. Krennrich, G. Gallagher, G. H. Sembroski, G. Hughes, G. Maier, G. M Foote, G. T. Richards, I. Sadeh, J. H. Buckley, J. Hoang, J. Holder, J. L. Christiansen, J. L. Ryan, J. P. Finley, J. Quinn, J. T. Bartkoske, K. A Farrell, K. Pfrang, K. Ragan, L. Angelini, L. Fortson, M. Capasso, M. Errando, M. J. Lang, M. J Millard, M. K. Daniel, M. Kertzman, M. Lundy, M. Nievas-Rosillo, M. Pohl, M. Santander, M. Splettstoesser, N. Korzoun, N. Park, O. Gueta, O. Hervet, P. Bangale, P. Batista, P. Kaaret, P. Moriarty, P. T. Reynolds, Q. Feng, R. A. Ong, R. Mukherjee, R. R. Prado, R. Shang, S. Kumar, S. O'Brien, S. Patel, S. P. Wakely, S. R. Patel, S. Schlenstedt, T. B. Humensky, T. Hassan, T. J Williamson, T. K. Kleiner, V. V. Vassiliev, W. Benbow, W. F Hanlon, W. Jin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-11T14:48:12Z","title":"VTSCat: The VERITAS Catalog of Gamma-Ray Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.04498","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":"sha256:2bdcb44a16e1f848539d8e762a6c85e7f07eb44e15d0d7f2f69fb5855c0af0e1","target":"record","created_at":"2026-07-05T05:32:50Z","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":"6523833a0997d317a15e516d5b53848901b72852f81496ed44cc8cc880568ea9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-11T14:48:12Z","title_canon_sha256":"a6a99c81edb915e50332ad3ae9f8b17a0ea76882c91a41e7769893c781f14008"},"schema_version":"1.0","source":{"id":"2301.04498","kind":"arxiv","version":2}},"canonical_sha256":"50bd0ed615a8b46d4f71da108b9b6586080e82ce4798185b965d634d5bb3089e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50bd0ed615a8b46d4f71da108b9b6586080e82ce4798185b965d634d5bb3089e","first_computed_at":"2026-07-05T05:32:50.560528Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:32:50.560528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9ktBSjbITAhQRe+hIfdTkYxx8YsXQ3mOhrRcvgjiIuYUsgd0C/wIlCFtAiYQ6MmodkQP87/dVywYuF/YHFGaBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:32:50.560981Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.04498","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2bdcb44a16e1f848539d8e762a6c85e7f07eb44e15d0d7f2f69fb5855c0af0e1","sha256:16ae656428601cab9c31f663f5e22b393ecb4879164b11a92adcca94078b6243"],"state_sha256":"3cf9b729109289d218e8c667e0c205d879c0d17c2e132134521e7a0a4fac7a13"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BS6T8un4kMByDPg4PcxEWBAyYdcLE4+6vIPt6ViIr7YEG8GanmG8gS7mIqJr5pF5BOOZeGdJ7dFEhA9u+eJVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:37:18.348422Z","bundle_sha256":"9792a0e45fc7f0d339ae4548664cb12be7f76129d42efaf07e383aca1bf5c649"}}