{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UNYGHEWY4LE4MMNMZM64G44GNY","short_pith_number":"pith:UNYGHEWY","canonical_record":{"source":{"id":"1309.1557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-06T07:56:36Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"dc97eb86d77433034e6fdcfad4f8f1a7edf5b665dee8b2e78119efa76cf6b4a9","abstract_canon_sha256":"c3662c4a90fa383501d1a3eceb7464100421de31fc555433e47d20ae4d5b13fa"},"schema_version":"1.0"},"canonical_sha256":"a3706392d8e2c9c631accb3dc373866e1c49a7587afe019424deb69b6c91aeef","source":{"kind":"arxiv","id":"1309.1557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1557","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1557v1","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1557","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"UNYGHEWY4LE4","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UNYGHEWY4LE4MMNM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UNYGHEWY","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UNYGHEWY4LE4MMNMZM64G44GNY","target":"record","payload":{"canonical_record":{"source":{"id":"1309.1557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-06T07:56:36Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"dc97eb86d77433034e6fdcfad4f8f1a7edf5b665dee8b2e78119efa76cf6b4a9","abstract_canon_sha256":"c3662c4a90fa383501d1a3eceb7464100421de31fc555433e47d20ae4d5b13fa"},"schema_version":"1.0"},"canonical_sha256":"a3706392d8e2c9c631accb3dc373866e1c49a7587afe019424deb69b6c91aeef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:49.190879Z","signature_b64":"ffdHqglokNGS/ss+OlGzLhKnBA9sGNtj27VM+ePqMVeh9kHmC+6QWun95D4e41ZRgoPsLgvYuTLgnyqR6LHkAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3706392d8e2c9c631accb3dc373866e1c49a7587afe019424deb69b6c91aeef","last_reissued_at":"2026-05-18T01:47:49.190299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:49.190299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.1557","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":"2026-05-18T01:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BMVgXWG2FQk+0Q92xDJ1saLwwJtBZ65bUg902I7IBw2tpjn5zKKC4TDbOICtvobYjmp3fBQSLj84CAXDAzvTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T07:46:21.470589Z"},"content_sha256":"2b18471911dc89ad2b3a8847856106d7b5aa5b6dea355c445b1f404ab307b661","schema_version":"1.0","event_id":"sha256:2b18471911dc89ad2b3a8847856106d7b5aa5b6dea355c445b1f404ab307b661"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UNYGHEWY4LE4MMNMZM64G44GNY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assembly and Installation of the Daya Bay Antineutrino Detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Pagac, B.R. Littlejohn, B. Seilhan, C.A. Lewis, C.J. Lin, D.A. Dwyer, D.L. Wenman, D.M. Webber, E. Draeger, F.F. Wu, G.S. Li, H.L.H. Wong, H.L. Zhuang, H.R. Band, H. Steiner, H. Themann, J. Goett, J.J. Cherwinka, J.L. Liu, J.P. Ochoa-Ricoux, J. Wilhelmi, K.B. Luk, K.K. Kwan, K.M. Heeger, K. Shih, K.V. Tsang, L.J. Wen, L. Kang, L.S. Greenler, L. Wang, L. Yang, M.C. Chu, M.C. McFarlane, M. Hoff, M. Kramer, M. Wingert, M.W. Kwok, N. Li, P. Hinrichs, Q. Xiao, R. Carr, R.D. McKeown, R. Gill, R.H.M. Tsang, R.L. Brown, S.F. Li, S.H. Kettell, S. Virostek, T.H. Ho, T. Wise, W.L. Zhong, W.Q. Gu, W.R. Edwards, W.S. He, W. Wang, X.C. Chen, X.H. Chen, X.L. Luo, X.N. Li, X. Qian, X. Tang, X.Y. Ma, Y.B. Hsiung, Y.D. Wei, Y. Jin, Y.K. Heng, Y. Nakajima, Z.J. Zhang, Z.M. Wang","submitted_at":"2013-09-06T07:56:36Z","abstract_excerpt":"The Daya Bay reactor antineutrino experiment is designed to make a precision measurement of the neutrino mixing angle theta13, and recently made the definitive discovery of its nonzero value. It utilizes a set of eight, functionally identical antineutrino detectors to measure the reactor flux and spectrum at baselines of 300 - 2000m from the Daya Bay and Ling Ao Nuclear Power Plants. The Daya Bay antineutrino detectors were built in an above-ground facility and deployed side-by-side at three underground experimental sites near and far from the nuclear reactors. This configuration allows the ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1557","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":""},"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":"2026-05-18T01:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f45GZF4DmnY9/yaWmqZPedU1wJI62q/fLy2vPRZtJmNfOQSCIk5A2J/6RYc8vrqnLbdSnNMMzqEUjdR35wAcAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T07:46:21.471261Z"},"content_sha256":"9046d3b6f4f2be46f9a9cf28edd6ae4dbed868909f96d7cf83beea94dcb93d4e","schema_version":"1.0","event_id":"sha256:9046d3b6f4f2be46f9a9cf28edd6ae4dbed868909f96d7cf83beea94dcb93d4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNYGHEWY4LE4MMNMZM64G44GNY/bundle.json","state_url":"https://pith.science/pith/UNYGHEWY4LE4MMNMZM64G44GNY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNYGHEWY4LE4MMNMZM64G44GNY/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":"2026-06-05T07:46:21Z","links":{"resolver":"https://pith.science/pith/UNYGHEWY4LE4MMNMZM64G44GNY","bundle":"https://pith.science/pith/UNYGHEWY4LE4MMNMZM64G44GNY/bundle.json","state":"https://pith.science/pith/UNYGHEWY4LE4MMNMZM64G44GNY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNYGHEWY4LE4MMNMZM64G44GNY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UNYGHEWY4LE4MMNMZM64G44GNY","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":"c3662c4a90fa383501d1a3eceb7464100421de31fc555433e47d20ae4d5b13fa","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-06T07:56:36Z","title_canon_sha256":"dc97eb86d77433034e6fdcfad4f8f1a7edf5b665dee8b2e78119efa76cf6b4a9"},"schema_version":"1.0","source":{"id":"1309.1557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1557","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1557v1","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1557","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"UNYGHEWY4LE4","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UNYGHEWY4LE4MMNM","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UNYGHEWY","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:9046d3b6f4f2be46f9a9cf28edd6ae4dbed868909f96d7cf83beea94dcb93d4e","target":"graph","created_at":"2026-05-18T01:47:49Z","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 Daya Bay reactor antineutrino experiment is designed to make a precision measurement of the neutrino mixing angle theta13, and recently made the definitive discovery of its nonzero value. It utilizes a set of eight, functionally identical antineutrino detectors to measure the reactor flux and spectrum at baselines of 300 - 2000m from the Daya Bay and Ling Ao Nuclear Power Plants. The Daya Bay antineutrino detectors were built in an above-ground facility and deployed side-by-side at three underground experimental sites near and far from the nuclear reactors. This configuration allows the ex","authors_text":"A. Pagac, B.R. Littlejohn, B. Seilhan, C.A. Lewis, C.J. Lin, D.A. Dwyer, D.L. Wenman, D.M. Webber, E. Draeger, F.F. Wu, G.S. Li, H.L.H. Wong, H.L. Zhuang, H.R. Band, H. Steiner, H. Themann, J. Goett, J.J. Cherwinka, J.L. Liu, J.P. Ochoa-Ricoux, J. Wilhelmi, K.B. Luk, K.K. Kwan, K.M. Heeger, K. Shih, K.V. Tsang, L.J. Wen, L. Kang, L.S. Greenler, L. Wang, L. Yang, M.C. Chu, M.C. McFarlane, M. Hoff, M. Kramer, M. Wingert, M.W. Kwok, N. Li, P. Hinrichs, Q. Xiao, R. Carr, R.D. McKeown, R. Gill, R.H.M. Tsang, R.L. Brown, S.F. Li, S.H. Kettell, S. Virostek, T.H. Ho, T. Wise, W.L. Zhong, W.Q. Gu, W.R. Edwards, W.S. He, W. Wang, X.C. Chen, X.H. Chen, X.L. Luo, X.N. Li, X. Qian, X. Tang, X.Y. Ma, Y.B. Hsiung, Y.D. Wei, Y. Jin, Y.K. Heng, Y. Nakajima, Z.J. Zhang, Z.M. Wang","cross_cats":["hep-ex","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-06T07:56:36Z","title":"Assembly and Installation of the Daya Bay Antineutrino Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1557","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":"sha256:2b18471911dc89ad2b3a8847856106d7b5aa5b6dea355c445b1f404ab307b661","target":"record","created_at":"2026-05-18T01:47:49Z","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":"c3662c4a90fa383501d1a3eceb7464100421de31fc555433e47d20ae4d5b13fa","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-09-06T07:56:36Z","title_canon_sha256":"dc97eb86d77433034e6fdcfad4f8f1a7edf5b665dee8b2e78119efa76cf6b4a9"},"schema_version":"1.0","source":{"id":"1309.1557","kind":"arxiv","version":1}},"canonical_sha256":"a3706392d8e2c9c631accb3dc373866e1c49a7587afe019424deb69b6c91aeef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3706392d8e2c9c631accb3dc373866e1c49a7587afe019424deb69b6c91aeef","first_computed_at":"2026-05-18T01:47:49.190299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:49.190299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ffdHqglokNGS/ss+OlGzLhKnBA9sGNtj27VM+ePqMVeh9kHmC+6QWun95D4e41ZRgoPsLgvYuTLgnyqR6LHkAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:49.190879Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.1557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b18471911dc89ad2b3a8847856106d7b5aa5b6dea355c445b1f404ab307b661","sha256:9046d3b6f4f2be46f9a9cf28edd6ae4dbed868909f96d7cf83beea94dcb93d4e"],"state_sha256":"7802322c40465de1f0dd4198a9640246c97142a3c85b8c0021e2864ac67906ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QBsUdFBx+WFYkO/fJIvHRXYSPcA73Lh04i1uhN3mXWvgmPw+YxzYmzunFgEBztU+UT64R1f7MFJXeDb5gczeCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T07:46:21.475213Z","bundle_sha256":"f7ca3d9f3e81e871fae9eb05fe6e3522fc83283c4e00ebf74df9949fa0f8d7a4"}}