{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U7UK4JDRH2HESGQAC2OTNNHYLP","short_pith_number":"pith:U7UK4JDR","canonical_record":{"source":{"id":"1805.10276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-25T17:52:35Z","cross_cats_sorted":[],"title_canon_sha256":"ccb631ae3334cc1e184a9bd21eb345c29b519dadf581bf61576c6ef2d2414555","abstract_canon_sha256":"7fb8825471f55e2dbc9d54408742fd2fd98164dd054b47e61dd3f01833634424"},"schema_version":"1.0"},"canonical_sha256":"a7e8ae24713e8e491a00169d36b4f85bd92ec1719d4feeef15f9551c29a87ac7","source":{"kind":"arxiv","id":"1805.10276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.10276","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"1805.10276v1","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.10276","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"U7UK4JDRH2HE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U7UK4JDRH2HESGQA","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U7UK4JDR","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U7UK4JDRH2HESGQAC2OTNNHYLP","target":"record","payload":{"canonical_record":{"source":{"id":"1805.10276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-25T17:52:35Z","cross_cats_sorted":[],"title_canon_sha256":"ccb631ae3334cc1e184a9bd21eb345c29b519dadf581bf61576c6ef2d2414555","abstract_canon_sha256":"7fb8825471f55e2dbc9d54408742fd2fd98164dd054b47e61dd3f01833634424"},"schema_version":"1.0"},"canonical_sha256":"a7e8ae24713e8e491a00169d36b4f85bd92ec1719d4feeef15f9551c29a87ac7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:02.003010Z","signature_b64":"QWRMc9h2TgFHaHW6X3umItBy7vfMhqx32JFp/vc1MVl2RP3BaOvzCL5qPklO2d7xIB94+ubjFTMzGNRJX/KOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7e8ae24713e8e491a00169d36b4f85bd92ec1719d4feeef15f9551c29a87ac7","last_reissued_at":"2026-05-18T00:06:02.002639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:02.002639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.10276","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":"2026-05-18T00:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D3jOQCHtYKWKKU291BQtashxEvD7/xZWJRVGsMtrzP+t0z7H+at5Ajbk65b17S84KYRr90pbGUfViDVc+wtLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:48:44.375515Z"},"content_sha256":"a5320320933280be8052838d41f813f3c9167d650ff4298e5f7ebd6a4b90cdc6","schema_version":"1.0","event_id":"sha256:a5320320933280be8052838d41f813f3c9167d650ff4298e5f7ebd6a4b90cdc6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U7UK4JDRH2HESGQAC2OTNNHYLP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quenching of nuclear matrix elements for $0\\nu\\beta\\beta$ decay by chiral two-body currents","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Jiang Ming Yao, Jonathan Engel, Long-Jun Wang","submitted_at":"2018-05-25T17:52:35Z","abstract_excerpt":"We examine the leading effects of two-body weak currents from chiral effective field theory on the matrix elements governing neutrinoless double-beta decay. In the closure approximation these effects are generated by the product of a one-body current with a two-body current, yielding both two- and three-body operators. When the three-body operators are considered without approximation, they quench matrix elements by about 10%, less than suggested by prior work, which neglected portions of the operators. The two-body operators, when treated in the standard way, can produce much larger quenching"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.10276","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":"2026-05-18T00:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBCU7QYmrf4/3eAH7IOcFMS9x7OVs7clU6X7XfNtEOeVgomo/eNTWlDuZOVUtF4g/Zi6hVpzCZZr/SwjFgF3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:48:44.376179Z"},"content_sha256":"7b49d4b6fdba8f22a68692472573efdddae6c6ad6825bb514ee88e1798d04e6a","schema_version":"1.0","event_id":"sha256:7b49d4b6fdba8f22a68692472573efdddae6c6ad6825bb514ee88e1798d04e6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/bundle.json","state_url":"https://pith.science/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/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":"2026-06-06T06:48:44Z","links":{"resolver":"https://pith.science/pith/U7UK4JDRH2HESGQAC2OTNNHYLP","bundle":"https://pith.science/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/bundle.json","state":"https://pith.science/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U7UK4JDRH2HESGQAC2OTNNHYLP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U7UK4JDRH2HESGQAC2OTNNHYLP","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":"7fb8825471f55e2dbc9d54408742fd2fd98164dd054b47e61dd3f01833634424","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-25T17:52:35Z","title_canon_sha256":"ccb631ae3334cc1e184a9bd21eb345c29b519dadf581bf61576c6ef2d2414555"},"schema_version":"1.0","source":{"id":"1805.10276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.10276","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"1805.10276v1","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.10276","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"U7UK4JDRH2HE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U7UK4JDRH2HESGQA","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U7UK4JDR","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:7b49d4b6fdba8f22a68692472573efdddae6c6ad6825bb514ee88e1798d04e6a","target":"graph","created_at":"2026-05-18T00:06:02Z","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":"We examine the leading effects of two-body weak currents from chiral effective field theory on the matrix elements governing neutrinoless double-beta decay. In the closure approximation these effects are generated by the product of a one-body current with a two-body current, yielding both two- and three-body operators. When the three-body operators are considered without approximation, they quench matrix elements by about 10%, less than suggested by prior work, which neglected portions of the operators. The two-body operators, when treated in the standard way, can produce much larger quenching","authors_text":"Jiang Ming Yao, Jonathan Engel, Long-Jun Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-25T17:52:35Z","title":"Quenching of nuclear matrix elements for $0\\nu\\beta\\beta$ decay by chiral two-body currents"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.10276","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:a5320320933280be8052838d41f813f3c9167d650ff4298e5f7ebd6a4b90cdc6","target":"record","created_at":"2026-05-18T00:06:02Z","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":"7fb8825471f55e2dbc9d54408742fd2fd98164dd054b47e61dd3f01833634424","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-25T17:52:35Z","title_canon_sha256":"ccb631ae3334cc1e184a9bd21eb345c29b519dadf581bf61576c6ef2d2414555"},"schema_version":"1.0","source":{"id":"1805.10276","kind":"arxiv","version":1}},"canonical_sha256":"a7e8ae24713e8e491a00169d36b4f85bd92ec1719d4feeef15f9551c29a87ac7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7e8ae24713e8e491a00169d36b4f85bd92ec1719d4feeef15f9551c29a87ac7","first_computed_at":"2026-05-18T00:06:02.002639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:02.002639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QWRMc9h2TgFHaHW6X3umItBy7vfMhqx32JFp/vc1MVl2RP3BaOvzCL5qPklO2d7xIB94+ubjFTMzGNRJX/KOBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:02.003010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.10276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5320320933280be8052838d41f813f3c9167d650ff4298e5f7ebd6a4b90cdc6","sha256:7b49d4b6fdba8f22a68692472573efdddae6c6ad6825bb514ee88e1798d04e6a"],"state_sha256":"add312d9602d1f2af3eba4be3ca663d93bab76141ff6b294621b75e4279a8b32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWUIcr0qbkMizksN3uZQk6VqFY8fUeMkS8oGlSwTAK/pJPF3Z2xLwduSeIDovJF4NhPxETS/GcU8CAuEPRUmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T06:48:44.379768Z","bundle_sha256":"bc8a7695469a3add124fafb2d5424cf08aeb93bac1e057f61ef6dab887f4fe76"}}