{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:4KF5UM3CHKJREI3B326BXNO6DK","short_pith_number":"pith:4KF5UM3C","canonical_record":{"source":{"id":"2008.06014","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-08-13T17:00:16Z","cross_cats_sorted":[],"title_canon_sha256":"9fb5092401f802741d58c6c5c8ba5ad5c2823632a0bcbfedb5737831109f33ad","abstract_canon_sha256":"87e1f22cb840dd88c9f74d5878f82b5e0b42bff588a9fa062240d5b4bd7631af"},"schema_version":"1.0"},"canonical_sha256":"e28bda33623a93122361debc1bb5de1a99a202ee85bb884ff3fcfbe645026181","source":{"kind":"arxiv","id":"2008.06014","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.06014","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"arxiv_version","alias_value":"2008.06014v4","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.06014","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_12","alias_value":"4KF5UM3CHKJR","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_16","alias_value":"4KF5UM3CHKJREI3B","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_8","alias_value":"4KF5UM3C","created_at":"2026-07-05T02:18:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:4KF5UM3CHKJREI3B326BXNO6DK","target":"record","payload":{"canonical_record":{"source":{"id":"2008.06014","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-08-13T17:00:16Z","cross_cats_sorted":[],"title_canon_sha256":"9fb5092401f802741d58c6c5c8ba5ad5c2823632a0bcbfedb5737831109f33ad","abstract_canon_sha256":"87e1f22cb840dd88c9f74d5878f82b5e0b42bff588a9fa062240d5b4bd7631af"},"schema_version":"1.0"},"canonical_sha256":"e28bda33623a93122361debc1bb5de1a99a202ee85bb884ff3fcfbe645026181","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:18:17.243378Z","signature_b64":"0yJEnwF6wRbEeU62CoHdhl8mPhabkqGE1A5zTfWEEMIt4ENhTFhQXkIbt0l21OCHk9y8ca8aiDSOd2xmxsLBAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e28bda33623a93122361debc1bb5de1a99a202ee85bb884ff3fcfbe645026181","last_reissued_at":"2026-07-05T02:18:17.242945Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:18:17.242945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.06014","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:18:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WNiUrndCu4mVlHMq6LUDBalLOQMjqxAmJvrSSaFw2ULQPOuG4/n08f7IKU9L+047iNchDnZ9xfrVXDuDxda2Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T13:51:29.870254Z"},"content_sha256":"421c34650ee23c03da305016290fc27d21caedc1c6643d6968a0f00a0aa72a4e","schema_version":"1.0","event_id":"sha256:421c34650ee23c03da305016290fc27d21caedc1c6643d6968a0f00a0aa72a4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:4KF5UM3CHKJREI3B326BXNO6DK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Majorana Demonstrator's Search for Double-Beta Decay of $^{76}$Ge to Excited States of $^{76}$Se","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Drobizhev, A. Hostiuc, A.L. Reine, A.M. Lopez, A.S. Barabash, A.W.P. Poon, B. Bos, B. Sayk{\\i}, B.X. Zhu, C. Cuesta, C.D. Christofferson, C.-H. Yu, C.J. Barton, C.R. Haufe, C. Wiseman, D.C. Radford, D. Hervas Aguilar, D. Tedeschi, D.W. Edwins, E. Blalock, E.L. Martin, E.W. Hoppe, F.E. Bertrand, F.T. Avignone III, G.K. Giovanetti, G. Othman, H. Ejiri, I.J. Arnquist, I. Kim, I.S. Guinn, J.A. Detwiler, J.F. Wilkerson, J. Gruszko, J.M. L\\'opez-Casta\\~no, J. Myslik, K. Rielage, L.S. Paudel, M. Busch, M. Buuck, M.F. Kidd, M.J. Stortini, M.L. Clark, M.P. Green, N.W. Ruof, P.-H. Chu, R.D. Martin, R. Henning, R.L. Varner, R. Massarczyk, R.T. Kouzes, S.J. Meijer, S. Mertens, S.R. Elliott, S. Vasilyev, T. Gilliss, T.K. Oli, T.R. Edwards, T.S. Caldwell, V.E. Guiseppe, W. Pettus, W. Xu, Y-D. Chan, Yu. Efremenko","submitted_at":"2020-08-13T17:00:16Z","abstract_excerpt":"The Majorana Demonstrator is a neutrinoless double-beta decay search consisting of a low-background modular array of high-purity germanium detectors, $\\sim2/3$ of which are enriched to 88\\% in $^{76}$Ge. The experiment is also searching for double-beta decay of $^{76}$Ge to excited states (e.s.) in $^{76}$Se. $^{76}$Ge can decay into three daughter states of $^{76}$Se, with clear event signatures consisting of a $\\beta\\beta$-decay followed by the prompt emission of one or two $\\gamma$-rays. This results with high probability in multi-detector coincidences. The granularity of the Demonstrator d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.06014","kind":"arxiv","version":4},"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/2008.06014/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":"2026-07-05T02:18:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2MGGBgxW7spX57yPsT5ueXs00knwGVw1sxf6L1vbUd8TWX2iG3tqXZws963pTSNkESJWFp4M+TGFZ8gOr8zbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T13:51:29.870841Z"},"content_sha256":"1b509e2ffdafedf5afa4db3e77439fef2724ffbe2293ed56795da7ab7fb1f740","schema_version":"1.0","event_id":"sha256:1b509e2ffdafedf5afa4db3e77439fef2724ffbe2293ed56795da7ab7fb1f740"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KF5UM3CHKJREI3B326BXNO6DK/bundle.json","state_url":"https://pith.science/pith/4KF5UM3CHKJREI3B326BXNO6DK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KF5UM3CHKJREI3B326BXNO6DK/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":"2026-08-19T13:51:29Z","links":{"resolver":"https://pith.science/pith/4KF5UM3CHKJREI3B326BXNO6DK","bundle":"https://pith.science/pith/4KF5UM3CHKJREI3B326BXNO6DK/bundle.json","state":"https://pith.science/pith/4KF5UM3CHKJREI3B326BXNO6DK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KF5UM3CHKJREI3B326BXNO6DK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:4KF5UM3CHKJREI3B326BXNO6DK","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":"87e1f22cb840dd88c9f74d5878f82b5e0b42bff588a9fa062240d5b4bd7631af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-08-13T17:00:16Z","title_canon_sha256":"9fb5092401f802741d58c6c5c8ba5ad5c2823632a0bcbfedb5737831109f33ad"},"schema_version":"1.0","source":{"id":"2008.06014","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.06014","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"arxiv_version","alias_value":"2008.06014v4","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.06014","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_12","alias_value":"4KF5UM3CHKJR","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_16","alias_value":"4KF5UM3CHKJREI3B","created_at":"2026-07-05T02:18:17Z"},{"alias_kind":"pith_short_8","alias_value":"4KF5UM3C","created_at":"2026-07-05T02:18:17Z"}],"graph_snapshots":[{"event_id":"sha256:1b509e2ffdafedf5afa4db3e77439fef2724ffbe2293ed56795da7ab7fb1f740","target":"graph","created_at":"2026-07-05T02:18:17Z","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/2008.06014/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Majorana Demonstrator is a neutrinoless double-beta decay search consisting of a low-background modular array of high-purity germanium detectors, $\\sim2/3$ of which are enriched to 88\\% in $^{76}$Ge. The experiment is also searching for double-beta decay of $^{76}$Ge to excited states (e.s.) in $^{76}$Se. $^{76}$Ge can decay into three daughter states of $^{76}$Se, with clear event signatures consisting of a $\\beta\\beta$-decay followed by the prompt emission of one or two $\\gamma$-rays. This results with high probability in multi-detector coincidences. The granularity of the Demonstrator d","authors_text":"A. Drobizhev, A. Hostiuc, A.L. Reine, A.M. Lopez, A.S. Barabash, A.W.P. Poon, B. Bos, B. Sayk{\\i}, B.X. Zhu, C. Cuesta, C.D. Christofferson, C.-H. Yu, C.J. Barton, C.R. Haufe, C. Wiseman, D.C. Radford, D. Hervas Aguilar, D. Tedeschi, D.W. Edwins, E. Blalock, E.L. Martin, E.W. Hoppe, F.E. Bertrand, F.T. Avignone III, G.K. Giovanetti, G. Othman, H. Ejiri, I.J. Arnquist, I. Kim, I.S. Guinn, J.A. Detwiler, J.F. Wilkerson, J. Gruszko, J.M. L\\'opez-Casta\\~no, J. Myslik, K. Rielage, L.S. Paudel, M. Busch, M. Buuck, M.F. Kidd, M.J. Stortini, M.L. Clark, M.P. Green, N.W. Ruof, P.-H. Chu, R.D. Martin, R. Henning, R.L. Varner, R. Massarczyk, R.T. Kouzes, S.J. Meijer, S. Mertens, S.R. Elliott, S. Vasilyev, T. Gilliss, T.K. Oli, T.R. Edwards, T.S. Caldwell, V.E. Guiseppe, W. Pettus, W. Xu, Y-D. Chan, Yu. Efremenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-08-13T17:00:16Z","title":"The Majorana Demonstrator's Search for Double-Beta Decay of $^{76}$Ge to Excited States of $^{76}$Se"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.06014","kind":"arxiv","version":4},"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":"sha256:421c34650ee23c03da305016290fc27d21caedc1c6643d6968a0f00a0aa72a4e","target":"record","created_at":"2026-07-05T02:18:17Z","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":"87e1f22cb840dd88c9f74d5878f82b5e0b42bff588a9fa062240d5b4bd7631af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-08-13T17:00:16Z","title_canon_sha256":"9fb5092401f802741d58c6c5c8ba5ad5c2823632a0bcbfedb5737831109f33ad"},"schema_version":"1.0","source":{"id":"2008.06014","kind":"arxiv","version":4}},"canonical_sha256":"e28bda33623a93122361debc1bb5de1a99a202ee85bb884ff3fcfbe645026181","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e28bda33623a93122361debc1bb5de1a99a202ee85bb884ff3fcfbe645026181","first_computed_at":"2026-07-05T02:18:17.242945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:18:17.242945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0yJEnwF6wRbEeU62CoHdhl8mPhabkqGE1A5zTfWEEMIt4ENhTFhQXkIbt0l21OCHk9y8ca8aiDSOd2xmxsLBAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:18:17.243378Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.06014","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:421c34650ee23c03da305016290fc27d21caedc1c6643d6968a0f00a0aa72a4e","sha256:1b509e2ffdafedf5afa4db3e77439fef2724ffbe2293ed56795da7ab7fb1f740"],"state_sha256":"f3d3fb247ae80f05d88a2e31ff571dbabd54264814b546392167cc5d83bce2f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WTpGILXP8gQz+Qw//PncvLnAPzp8vtBc6p8ZQB2QFHlhFIzn2v+lnYQPsZgjI37SwOU1p2p8be9+l/KaH2kFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T13:51:29.874887Z","bundle_sha256":"421b286eb6a4869ba0fcc187ffdb7538a13e58335b2cd8e56c44bbb9cdbafb9a"}}