{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:C7GD43QELBCND47T2WSHBB3N5S","short_pith_number":"pith:C7GD43QE","canonical_record":{"source":{"id":"1709.06890","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-19T11:44:40Z","cross_cats_sorted":[],"title_canon_sha256":"3aa7fb690086be897174c1d2943ce635171f3c14af6f859a3e10f86e2634c97c","abstract_canon_sha256":"ed562661476ef08d2fcd567f39706fec9ab171b9a6569c9fc065c93c1e7702a2"},"schema_version":"1.0"},"canonical_sha256":"17cc3e6e045844d1f3f3d5a470876dec8d4846b2ce97953b25de77f64b30711e","source":{"kind":"arxiv","id":"1709.06890","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06890","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06890v1","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06890","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"C7GD43QELBCN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"C7GD43QELBCND47T","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"C7GD43QE","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:C7GD43QELBCND47T2WSHBB3N5S","target":"record","payload":{"canonical_record":{"source":{"id":"1709.06890","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-19T11:44:40Z","cross_cats_sorted":[],"title_canon_sha256":"3aa7fb690086be897174c1d2943ce635171f3c14af6f859a3e10f86e2634c97c","abstract_canon_sha256":"ed562661476ef08d2fcd567f39706fec9ab171b9a6569c9fc065c93c1e7702a2"},"schema_version":"1.0"},"canonical_sha256":"17cc3e6e045844d1f3f3d5a470876dec8d4846b2ce97953b25de77f64b30711e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:05.000297Z","signature_b64":"7bJ6TPe3xrFYbZHHFa2QWyrRqGX6ojsCJFPtfjT5UzghH7E+rGfkeOcwvmscBcW475RafcSU43/hfQ/qhXZ9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17cc3e6e045844d1f3f3d5a470876dec8d4846b2ce97953b25de77f64b30711e","last_reissued_at":"2026-05-18T00:32:04.999698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:04.999698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.06890","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":"2026-05-18T00:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Vgo93h5DqS7HA3GaCAyZmAmh1eOYwu5zp5b1F4UDrYFoSqjXPI4D+WgkbvcqojLGRpZi3Q1bFRwMFr66YPEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:38:20.528702Z"},"content_sha256":"9e6be9aaf8704452c96ae3bd9dd3d4f54ae6d4b07d9407c039b896f76aab2c9f","schema_version":"1.0","event_id":"sha256:9e6be9aaf8704452c96ae3bd9dd3d4f54ae6d4b07d9407c039b896f76aab2c9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:C7GD43QELBCND47T2WSHBB3N5S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double Beta Decay to the Excited States: Review","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.S. Barabash","submitted_at":"2017-09-19T11:44:40Z","abstract_excerpt":"A brief review of double beta decay to the excited states of daughter nuclei is given. Results of the most sensitive experiments are presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06890","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":"2026-05-18T00:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MC5DqJoei7h6dUa8VDiul4eCgQx23Sk3N7RnyG5JgEY9tcZCStmCkrtmaVCQzcTVmqV2gfqt1mkgmvywWnJwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:38:20.529379Z"},"content_sha256":"64ea236c61616ddc9ca2471265fa6b2e360e0faf8ff7c2a1adbfecea0f207821","schema_version":"1.0","event_id":"sha256:64ea236c61616ddc9ca2471265fa6b2e360e0faf8ff7c2a1adbfecea0f207821"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C7GD43QELBCND47T2WSHBB3N5S/bundle.json","state_url":"https://pith.science/pith/C7GD43QELBCND47T2WSHBB3N5S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C7GD43QELBCND47T2WSHBB3N5S/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":"2026-05-30T21:38:20Z","links":{"resolver":"https://pith.science/pith/C7GD43QELBCND47T2WSHBB3N5S","bundle":"https://pith.science/pith/C7GD43QELBCND47T2WSHBB3N5S/bundle.json","state":"https://pith.science/pith/C7GD43QELBCND47T2WSHBB3N5S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C7GD43QELBCND47T2WSHBB3N5S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:C7GD43QELBCND47T2WSHBB3N5S","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":"ed562661476ef08d2fcd567f39706fec9ab171b9a6569c9fc065c93c1e7702a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-19T11:44:40Z","title_canon_sha256":"3aa7fb690086be897174c1d2943ce635171f3c14af6f859a3e10f86e2634c97c"},"schema_version":"1.0","source":{"id":"1709.06890","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06890","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06890v1","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06890","created_at":"2026-05-18T00:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"C7GD43QELBCN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"C7GD43QELBCND47T","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"C7GD43QE","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:64ea236c61616ddc9ca2471265fa6b2e360e0faf8ff7c2a1adbfecea0f207821","target":"graph","created_at":"2026-05-18T00:32:04Z","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":"A brief review of double beta decay to the excited states of daughter nuclei is given. Results of the most sensitive experiments are presented.","authors_text":"A.S. Barabash","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-19T11:44:40Z","title":"Double Beta Decay to the Excited States: Review"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06890","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":"sha256:9e6be9aaf8704452c96ae3bd9dd3d4f54ae6d4b07d9407c039b896f76aab2c9f","target":"record","created_at":"2026-05-18T00:32:04Z","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":"ed562661476ef08d2fcd567f39706fec9ab171b9a6569c9fc065c93c1e7702a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-19T11:44:40Z","title_canon_sha256":"3aa7fb690086be897174c1d2943ce635171f3c14af6f859a3e10f86e2634c97c"},"schema_version":"1.0","source":{"id":"1709.06890","kind":"arxiv","version":1}},"canonical_sha256":"17cc3e6e045844d1f3f3d5a470876dec8d4846b2ce97953b25de77f64b30711e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17cc3e6e045844d1f3f3d5a470876dec8d4846b2ce97953b25de77f64b30711e","first_computed_at":"2026-05-18T00:32:04.999698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:04.999698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7bJ6TPe3xrFYbZHHFa2QWyrRqGX6ojsCJFPtfjT5UzghH7E+rGfkeOcwvmscBcW475RafcSU43/hfQ/qhXZ9Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:05.000297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.06890","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e6be9aaf8704452c96ae3bd9dd3d4f54ae6d4b07d9407c039b896f76aab2c9f","sha256:64ea236c61616ddc9ca2471265fa6b2e360e0faf8ff7c2a1adbfecea0f207821"],"state_sha256":"de1f6d0c3eff5b413adafdf157fcddba7d26a087ce52157866616ef65dbda068"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/joRhkLgJLMJCZyZ385h2KiNhIDa4VHjz2h9dmXR7jUiEQAQVxadwgh3E2EkQr9UB/EG0Uq7aKhs/K3p2L2qCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:38:20.532828Z","bundle_sha256":"42ebd428bef12d2e9986e8b2c91dcfd964b24b9eb57ea6dec69ad658f16d94b6"}}