{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VHUQWNAE5XSGUSCTBTYXN2UNMF","short_pith_number":"pith:VHUQWNAE","canonical_record":{"source":{"id":"2012.00644","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-12-01T17:11:59Z","cross_cats_sorted":[],"title_canon_sha256":"6a3aa85ddf893815f5d2ba1267e16c93e57dbb0b556fba2efcc5318ef5a7e66c","abstract_canon_sha256":"bf5e044477abd519c8819a4786c12713549d94a2cb6505940f493fbc7341ac01"},"schema_version":"1.0"},"canonical_sha256":"a9e90b3404ede46a48530cf176ea8d61428e8a5dd81aaf66f68826585cac94d2","source":{"kind":"arxiv","id":"2012.00644","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00644","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00644v1","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00644","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"VHUQWNAE5XSG","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_16","alias_value":"VHUQWNAE5XSGUSCT","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_8","alias_value":"VHUQWNAE","created_at":"2026-07-05T01:56:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VHUQWNAE5XSGUSCTBTYXN2UNMF","target":"record","payload":{"canonical_record":{"source":{"id":"2012.00644","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-12-01T17:11:59Z","cross_cats_sorted":[],"title_canon_sha256":"6a3aa85ddf893815f5d2ba1267e16c93e57dbb0b556fba2efcc5318ef5a7e66c","abstract_canon_sha256":"bf5e044477abd519c8819a4786c12713549d94a2cb6505940f493fbc7341ac01"},"schema_version":"1.0"},"canonical_sha256":"a9e90b3404ede46a48530cf176ea8d61428e8a5dd81aaf66f68826585cac94d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:56:18.660229Z","signature_b64":"EQnKvXDccQrN1+MRkKC1890udKf5u4EMuwCF4QhI2stGv32oNAaMRHboHyJzUjSpqwdobktu0ZgrbogSC1N3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9e90b3404ede46a48530cf176ea8d61428e8a5dd81aaf66f68826585cac94d2","last_reissued_at":"2026-07-05T01:56:18.659748Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:56:18.659748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.00644","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":"2026-07-05T01:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+qdsbomfe0ngzhS3orHLMoCPy67k/T1vYDJs4TF3zukMqJ1x9EeNzyMZWXDYhm4g9EguTQdLp2MRxi+n8xlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:44:38.900002Z"},"content_sha256":"7145b8d4b3e1ca8c3b5d8427daed2af5966799ea11b0225cba2ddac5d009b40b","schema_version":"1.0","event_id":"sha256:7145b8d4b3e1ca8c3b5d8427daed2af5966799ea11b0225cba2ddac5d009b40b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VHUQWNAE5XSGUSCTBTYXN2UNMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double beta decay results from the CUPID-0 experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Cruciani, A. D'Addabbo, A. Giuliani, A. Puiu, A. Zolotarova, C. Brofferio, C. Bucci, C. Gotti, C. Nones, C. Rusconi, C. Tomei, D. Chiesa, D. Orlandi, E. Celi, E. Previtali, F. Bellini, F. Ferroni, G. Keppel, G. Pessina, I. Dafinei, J. W. Beeman, K. Sch\\\"affner, L. Cardani, L. Gironi, L. Pagnanini, L. Pattavina, M. Beretta, M. Biassoni, M. Clemenza, M. Martinez, M. Nastasi, M. Pallavicini, M. Pavan, M. Vignati, N. Casali, O. Azzolini, O. Cremonesi, P. Carniti, P. Gorla, S. Capelli, S. Di Domizio, S. Nagorny, S. Nisi, S. Pirro, S. Pozzi, V. Pettinacci","submitted_at":"2020-12-01T17:11:59Z","abstract_excerpt":"A convincing observation of neutrino-less double beta decay (0$\\nu$DBD) relies on the possibility of operating high energy-resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting from the successful experience of CUPID-0. The CUPID-0 experiment demonstrated the complete rejection of the dominant alpha background measuring the lowest counting rate in the region of interest for this"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00644","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/2012.00644/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":"2026-07-05T01:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F9d8iwR8Wl5TP7B6XvzC3sojkfIcoO+AwgTVEWlGHUgZSHudhglqi0TeKJMwjpi9wGntPCFqbBdffZ1NugioBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:44:38.901208Z"},"content_sha256":"8c2e3fc8cc97fae57a6f3fb43c4b28dafcd2341e54183f327b6c075863a73836","schema_version":"1.0","event_id":"sha256:8c2e3fc8cc97fae57a6f3fb43c4b28dafcd2341e54183f327b6c075863a73836"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/bundle.json","state_url":"https://pith.science/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/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":"2026-08-04T15:44:38Z","links":{"resolver":"https://pith.science/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF","bundle":"https://pith.science/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/bundle.json","state":"https://pith.science/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHUQWNAE5XSGUSCTBTYXN2UNMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VHUQWNAE5XSGUSCTBTYXN2UNMF","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":"bf5e044477abd519c8819a4786c12713549d94a2cb6505940f493fbc7341ac01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-12-01T17:11:59Z","title_canon_sha256":"6a3aa85ddf893815f5d2ba1267e16c93e57dbb0b556fba2efcc5318ef5a7e66c"},"schema_version":"1.0","source":{"id":"2012.00644","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00644","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00644v1","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00644","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"VHUQWNAE5XSG","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_16","alias_value":"VHUQWNAE5XSGUSCT","created_at":"2026-07-05T01:56:18Z"},{"alias_kind":"pith_short_8","alias_value":"VHUQWNAE","created_at":"2026-07-05T01:56:18Z"}],"graph_snapshots":[{"event_id":"sha256:8c2e3fc8cc97fae57a6f3fb43c4b28dafcd2341e54183f327b6c075863a73836","target":"graph","created_at":"2026-07-05T01:56:18Z","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/2012.00644/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A convincing observation of neutrino-less double beta decay (0$\\nu$DBD) relies on the possibility of operating high energy-resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting from the successful experience of CUPID-0. The CUPID-0 experiment demonstrated the complete rejection of the dominant alpha background measuring the lowest counting rate in the region of interest for this","authors_text":"A. Cruciani, A. D'Addabbo, A. Giuliani, A. Puiu, A. Zolotarova, C. Brofferio, C. Bucci, C. Gotti, C. Nones, C. Rusconi, C. Tomei, D. Chiesa, D. Orlandi, E. Celi, E. Previtali, F. Bellini, F. Ferroni, G. Keppel, G. Pessina, I. Dafinei, J. W. Beeman, K. Sch\\\"affner, L. Cardani, L. Gironi, L. Pagnanini, L. Pattavina, M. Beretta, M. Biassoni, M. Clemenza, M. Martinez, M. Nastasi, M. Pallavicini, M. Pavan, M. Vignati, N. Casali, O. Azzolini, O. Cremonesi, P. Carniti, P. Gorla, S. Capelli, S. Di Domizio, S. Nagorny, S. Nisi, S. Pirro, S. Pozzi, V. Pettinacci","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-12-01T17:11:59Z","title":"Double beta decay results from the CUPID-0 experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00644","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":"sha256:7145b8d4b3e1ca8c3b5d8427daed2af5966799ea11b0225cba2ddac5d009b40b","target":"record","created_at":"2026-07-05T01:56:18Z","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":"bf5e044477abd519c8819a4786c12713549d94a2cb6505940f493fbc7341ac01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2020-12-01T17:11:59Z","title_canon_sha256":"6a3aa85ddf893815f5d2ba1267e16c93e57dbb0b556fba2efcc5318ef5a7e66c"},"schema_version":"1.0","source":{"id":"2012.00644","kind":"arxiv","version":1}},"canonical_sha256":"a9e90b3404ede46a48530cf176ea8d61428e8a5dd81aaf66f68826585cac94d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9e90b3404ede46a48530cf176ea8d61428e8a5dd81aaf66f68826585cac94d2","first_computed_at":"2026-07-05T01:56:18.659748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:56:18.659748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EQnKvXDccQrN1+MRkKC1890udKf5u4EMuwCF4QhI2stGv32oNAaMRHboHyJzUjSpqwdobktu0ZgrbogSC1N3Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:56:18.660229Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.00644","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7145b8d4b3e1ca8c3b5d8427daed2af5966799ea11b0225cba2ddac5d009b40b","sha256:8c2e3fc8cc97fae57a6f3fb43c4b28dafcd2341e54183f327b6c075863a73836"],"state_sha256":"4b0178a6770e3c23a0a98e5b9380c7cf5f7080c828bdfbfcd6408f76d9d7d2a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R2XGHWHAzsAWArOmXse1zokXL3KL+CwfP6Jk091GJzcrr7q3neAFS8AEN0qPiWnWjYqZbMcE5Y7/GLlmKHUHAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:44:38.908118Z","bundle_sha256":"070412b93db981f9ac5580a6f888dceabd35b178ab79afcaf15325f58c5782b5"}}