{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U5XKT3D6DTVSZX5M2NE2S53MJB","short_pith_number":"pith:U5XKT3D6","canonical_record":{"source":{"id":"1803.06379","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-16T19:25:34Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"abc8c41dd2ffaba4b86192511be3c6234bf5df435076d5f9b59833d7c1da09ee","abstract_canon_sha256":"3dabeb75dbedaea529a39ab90578d9ab8a8359162fe5dc8c2f950f27dbc2eb0d"},"schema_version":"1.0"},"canonical_sha256":"a76ea9ec7e1ceb2cdfacd349a9776c487996be913eb6e9002701955382b6c5f0","source":{"kind":"arxiv","id":"1803.06379","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.06379","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1803.06379v3","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.06379","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"U5XKT3D6DTVS","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U5XKT3D6DTVSZX5M","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U5XKT3D6","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U5XKT3D6DTVSZX5M2NE2S53MJB","target":"record","payload":{"canonical_record":{"source":{"id":"1803.06379","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-16T19:25:34Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"abc8c41dd2ffaba4b86192511be3c6234bf5df435076d5f9b59833d7c1da09ee","abstract_canon_sha256":"3dabeb75dbedaea529a39ab90578d9ab8a8359162fe5dc8c2f950f27dbc2eb0d"},"schema_version":"1.0"},"canonical_sha256":"a76ea9ec7e1ceb2cdfacd349a9776c487996be913eb6e9002701955382b6c5f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:02.383200Z","signature_b64":"q3LLRNYvsT/FZVdJSSVeXjzNfa5H9T+2kUN0ca1Hti6nRNOhe5otvqkldEM0cnYMtBqHkgJRYzyas177bRGdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a76ea9ec7e1ceb2cdfacd349a9776c487996be913eb6e9002701955382b6c5f0","last_reissued_at":"2026-05-18T00:10:02.382524Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:02.382524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.06379","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OO/lf0LVZi2s907HnBYXH7Lxq2g3/2Sgwa28CXb9YNQM2IrN9oA/bmujxzpVmkpDw/XeMis4YJT9qZ87Kjm7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T08:44:56.038343Z"},"content_sha256":"d27dd82452cb464e163bb0829167781569b121d8b1695b3fe064f9dbf49c7a0c","schema_version":"1.0","event_id":"sha256:d27dd82452cb464e163bb0829167781569b121d8b1695b3fe064f9dbf49c7a0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U5XKT3D6DTVSZX5M2NE2S53MJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photon detector system timing performance in the DUNE 35-ton prototype liquid argon time projection chamber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Blake, A. Booth, A. Chatterjee, A. Hahn, A. Higuera, A. Himmel, B. Eberly, B. Kirby, C. A. Moura, C. Zhang, D. Brailsford, D. L. Adams, D. Rivera, D. Stefan, D. Warner, D. Whittington, E. Blaufuss, E. Worcester, G. Barr, G. Deuerling, G. Drake, G. Santucci, G. Sinev, I. Stancu, J. Davies, J. Freeman, J. Hartnell, J. Insler, J. Jacobsen, J. Klein, J. L. Raaf, J. Martin-Albo, J. Nowak, J. Paley, J. Stewart, J. Stock, J. T. Anderson, J. T. Haigh, K. Biery, L. Bagby, L. F. Thompson, M. Baird, M. C. Goodman, M. Convery, M. Graham, M. Oberling, M. Stancari, M. Thiesse, M. Wallbank, M. Worcester, N. Barros, N. Buchanan, N. J. C. Spooner, N. McConkey, P. Delurgio, R. A. Gomes, R. Dharmapalan, R. J. Wilson, R. Sulej, S. Glavin, S. Lin, S. Mufson, T. Alion, T. Boone, T. C. Nicholls, T. Dealtry, T. Junk, T. Kutter, T. K. Warburton, T. Strauss, T. Yang, V. A. Kudryavtsev, X. Li, X. Qian, Y. Li, Y. Sun, Y. T. Tsai, Z. Djurcic","submitted_at":"2018-03-16T19:25:34Z","abstract_excerpt":"The 35-ton prototype for the Deep Underground Neutrino Experiment far detector was a single-phase liquid argon time projection chamber with an integrated photon detector system, all situated inside a membrane cryostat. The detector took cosmic-ray data for six weeks during the period of February 1, 2016 to March 12, 2016. The performance of the photon detection system was checked with these data. An installed photon detector was demonstrated to measure the arrival times of cosmic-ray muons with a resolution better than 32 ns, limited by the timing of the trigger system. A measurement of the ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.06379","kind":"arxiv","version":3},"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":"2026-05-18T00:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KXFM3KhR0aOBFjqefRzVxgaBruTIVyD6tAuurIoh//3CxrwEs5cRuy6gfn7sbAi+jglovk24+EG0uuruB3TMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T08:44:56.038719Z"},"content_sha256":"85faf4d329a97b410708e92a62bc9f8b620689ed32ad161556c8df730f9b9dbc","schema_version":"1.0","event_id":"sha256:85faf4d329a97b410708e92a62bc9f8b620689ed32ad161556c8df730f9b9dbc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/bundle.json","state_url":"https://pith.science/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/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":"2026-07-26T08:44:56Z","links":{"resolver":"https://pith.science/pith/U5XKT3D6DTVSZX5M2NE2S53MJB","bundle":"https://pith.science/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/bundle.json","state":"https://pith.science/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5XKT3D6DTVSZX5M2NE2S53MJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U5XKT3D6DTVSZX5M2NE2S53MJB","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":"3dabeb75dbedaea529a39ab90578d9ab8a8359162fe5dc8c2f950f27dbc2eb0d","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-16T19:25:34Z","title_canon_sha256":"abc8c41dd2ffaba4b86192511be3c6234bf5df435076d5f9b59833d7c1da09ee"},"schema_version":"1.0","source":{"id":"1803.06379","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.06379","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1803.06379v3","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.06379","created_at":"2026-05-18T00:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"U5XKT3D6DTVS","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U5XKT3D6DTVSZX5M","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U5XKT3D6","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:85faf4d329a97b410708e92a62bc9f8b620689ed32ad161556c8df730f9b9dbc","target":"graph","created_at":"2026-05-18T00:10:02Z","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 35-ton prototype for the Deep Underground Neutrino Experiment far detector was a single-phase liquid argon time projection chamber with an integrated photon detector system, all situated inside a membrane cryostat. The detector took cosmic-ray data for six weeks during the period of February 1, 2016 to March 12, 2016. The performance of the photon detection system was checked with these data. An installed photon detector was demonstrated to measure the arrival times of cosmic-ray muons with a resolution better than 32 ns, limited by the timing of the trigger system. A measurement of the ti","authors_text":"A. Blake, A. Booth, A. Chatterjee, A. Hahn, A. Higuera, A. Himmel, B. Eberly, B. Kirby, C. A. Moura, C. Zhang, D. Brailsford, D. L. Adams, D. Rivera, D. Stefan, D. Warner, D. Whittington, E. Blaufuss, E. Worcester, G. Barr, G. Deuerling, G. Drake, G. Santucci, G. Sinev, I. Stancu, J. Davies, J. Freeman, J. Hartnell, J. Insler, J. Jacobsen, J. Klein, J. L. Raaf, J. Martin-Albo, J. Nowak, J. Paley, J. Stewart, J. Stock, J. T. Anderson, J. T. Haigh, K. Biery, L. Bagby, L. F. Thompson, M. Baird, M. C. Goodman, M. Convery, M. Graham, M. Oberling, M. Stancari, M. Thiesse, M. Wallbank, M. Worcester, N. Barros, N. Buchanan, N. J. C. Spooner, N. McConkey, P. Delurgio, R. A. Gomes, R. Dharmapalan, R. J. Wilson, R. Sulej, S. Glavin, S. Lin, S. Mufson, T. Alion, T. Boone, T. C. Nicholls, T. Dealtry, T. Junk, T. Kutter, T. K. Warburton, T. Strauss, T. Yang, V. A. Kudryavtsev, X. Li, X. Qian, Y. Li, Y. Sun, Y. T. Tsai, Z. Djurcic","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-16T19:25:34Z","title":"Photon detector system timing performance in the DUNE 35-ton prototype liquid argon time projection chamber"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.06379","kind":"arxiv","version":3},"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:d27dd82452cb464e163bb0829167781569b121d8b1695b3fe064f9dbf49c7a0c","target":"record","created_at":"2026-05-18T00:10:02Z","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":"3dabeb75dbedaea529a39ab90578d9ab8a8359162fe5dc8c2f950f27dbc2eb0d","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-03-16T19:25:34Z","title_canon_sha256":"abc8c41dd2ffaba4b86192511be3c6234bf5df435076d5f9b59833d7c1da09ee"},"schema_version":"1.0","source":{"id":"1803.06379","kind":"arxiv","version":3}},"canonical_sha256":"a76ea9ec7e1ceb2cdfacd349a9776c487996be913eb6e9002701955382b6c5f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a76ea9ec7e1ceb2cdfacd349a9776c487996be913eb6e9002701955382b6c5f0","first_computed_at":"2026-05-18T00:10:02.382524Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:02.382524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q3LLRNYvsT/FZVdJSSVeXjzNfa5H9T+2kUN0ca1Hti6nRNOhe5otvqkldEM0cnYMtBqHkgJRYzyas177bRGdAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:02.383200Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.06379","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d27dd82452cb464e163bb0829167781569b121d8b1695b3fe064f9dbf49c7a0c","sha256:85faf4d329a97b410708e92a62bc9f8b620689ed32ad161556c8df730f9b9dbc"],"state_sha256":"87ca52bfcbbb04bf0fb69672b09eb8636d2b7942abb67fd219fa758fe165c41c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ld7aty6UufKVl8QOKgXA90kVEcmWublbPNQYPlvrqU3DZBPltmhRseCZNojbG6/Kym+ouBAuMlTVMXqZTxvAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T08:44:56.040894Z","bundle_sha256":"335b503b5db08ef733b7db0c4c8ea0b9335381c070de6bc8619cd4e7994c3922"}}