{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IZNI7NEK7FKL5AUYPXSPFIZJ6J","short_pith_number":"pith:IZNI7NEK","canonical_record":{"source":{"id":"1804.02105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-06T01:39:18Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"1c2728ad07c80d2092416d0fe35477e034fb38af7bf85e7025c54cf904b94290","abstract_canon_sha256":"c80ef07bc8ce9778db608bcfd25900e1825e69e691ce812a8205e1e82332eaf6"},"schema_version":"1.0"},"canonical_sha256":"465a8fb48af954be82987de4f2a329f26bf761dd65167e31052569e0c736e01a","source":{"kind":"arxiv","id":"1804.02105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02105","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02105v1","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02105","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"IZNI7NEK7FKL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IZNI7NEK7FKL5AUY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IZNI7NEK","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IZNI7NEK7FKL5AUYPXSPFIZJ6J","target":"record","payload":{"canonical_record":{"source":{"id":"1804.02105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-06T01:39:18Z","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"title_canon_sha256":"1c2728ad07c80d2092416d0fe35477e034fb38af7bf85e7025c54cf904b94290","abstract_canon_sha256":"c80ef07bc8ce9778db608bcfd25900e1825e69e691ce812a8205e1e82332eaf6"},"schema_version":"1.0"},"canonical_sha256":"465a8fb48af954be82987de4f2a329f26bf761dd65167e31052569e0c736e01a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:10.363219Z","signature_b64":"cC3DuP54aeUmxEnzFEyQHmRJ8nftP53IbC7uKi+VEtaqltCzwsBmLDmutthLb+BzvrYuw6wV37sunA0gIwW4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"465a8fb48af954be82987de4f2a329f26bf761dd65167e31052569e0c736e01a","last_reissued_at":"2026-05-18T00:18:10.362784Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:10.362784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.02105","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":"2026-05-18T00:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1c8VVKyVQPTC0QoJWq3rspYAW36F6lZbanVcopMvLVuofiMROYmh4jqsD/NWXfF1Ol9cVOIK8P6w0JP0CQkJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T13:55:59.528142Z"},"content_sha256":"8968ffccf9e2dcf6cdf649c60214180a9153416ddc0c0884f3dfa9478696cac8","schema_version":"1.0","event_id":"sha256:8968ffccf9e2dcf6cdf649c60214180a9153416ddc0c0884f3dfa9478696cac8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IZNI7NEK7FKL5AUYPXSPFIZJ6J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrinoless $\\beta\\beta$ decay mediated by the exchange of light and heavy neutrinos: The role of nuclear structure correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Javier Men\\'endez","submitted_at":"2018-04-06T01:39:18Z","abstract_excerpt":"Neutrinoless $\\beta\\beta$ decay nuclear matrix elements calculated with the shell model and energy-density functional theory typically disagree by more than a factor of two in the standard scenario of light-neutrino exchange. In contrast, for a decay mediated by sterile heavy neutrinos the deviations are reduced to about 50\\%, an uncertainty similar to the one due to short-range effects. We compare matrix elements in the light- and heavy-neutrino-exchange channels, exploring the radial, momentum transfer and angular momentum-parity matrix element distributions, and considering transitions that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02105","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":"2026-05-18T00:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QWqzUFuse18DA/szZNZPaE+qGFSm5EyosN45wSZSP6OfEx3MTm9NIZt4q0Preaww94yl7YgQH2zaIulJDvg1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T13:55:59.528506Z"},"content_sha256":"59a0a86bcae3f6bc3da35d71aae9915640fc6093b3ed0664aecb84a08cb0318f","schema_version":"1.0","event_id":"sha256:59a0a86bcae3f6bc3da35d71aae9915640fc6093b3ed0664aecb84a08cb0318f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/bundle.json","state_url":"https://pith.science/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/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":"2026-06-29T13:55:59Z","links":{"resolver":"https://pith.science/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J","bundle":"https://pith.science/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/bundle.json","state":"https://pith.science/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZNI7NEK7FKL5AUYPXSPFIZJ6J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IZNI7NEK7FKL5AUYPXSPFIZJ6J","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":"c80ef07bc8ce9778db608bcfd25900e1825e69e691ce812a8205e1e82332eaf6","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-06T01:39:18Z","title_canon_sha256":"1c2728ad07c80d2092416d0fe35477e034fb38af7bf85e7025c54cf904b94290"},"schema_version":"1.0","source":{"id":"1804.02105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02105","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02105v1","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02105","created_at":"2026-05-18T00:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"IZNI7NEK7FKL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IZNI7NEK7FKL5AUY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IZNI7NEK","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:59a0a86bcae3f6bc3da35d71aae9915640fc6093b3ed0664aecb84a08cb0318f","target":"graph","created_at":"2026-05-18T00:18:10Z","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":"Neutrinoless $\\beta\\beta$ decay nuclear matrix elements calculated with the shell model and energy-density functional theory typically disagree by more than a factor of two in the standard scenario of light-neutrino exchange. In contrast, for a decay mediated by sterile heavy neutrinos the deviations are reduced to about 50\\%, an uncertainty similar to the one due to short-range effects. We compare matrix elements in the light- and heavy-neutrino-exchange channels, exploring the radial, momentum transfer and angular momentum-parity matrix element distributions, and considering transitions that","authors_text":"Javier Men\\'endez","cross_cats":["hep-ex","hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-06T01:39:18Z","title":"Neutrinoless $\\beta\\beta$ decay mediated by the exchange of light and heavy neutrinos: The role of nuclear structure correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02105","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":"sha256:8968ffccf9e2dcf6cdf649c60214180a9153416ddc0c0884f3dfa9478696cac8","target":"record","created_at":"2026-05-18T00:18:10Z","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":"c80ef07bc8ce9778db608bcfd25900e1825e69e691ce812a8205e1e82332eaf6","cross_cats_sorted":["hep-ex","hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-04-06T01:39:18Z","title_canon_sha256":"1c2728ad07c80d2092416d0fe35477e034fb38af7bf85e7025c54cf904b94290"},"schema_version":"1.0","source":{"id":"1804.02105","kind":"arxiv","version":1}},"canonical_sha256":"465a8fb48af954be82987de4f2a329f26bf761dd65167e31052569e0c736e01a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"465a8fb48af954be82987de4f2a329f26bf761dd65167e31052569e0c736e01a","first_computed_at":"2026-05-18T00:18:10.362784Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:10.362784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cC3DuP54aeUmxEnzFEyQHmRJ8nftP53IbC7uKi+VEtaqltCzwsBmLDmutthLb+BzvrYuw6wV37sunA0gIwW4AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:10.363219Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.02105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8968ffccf9e2dcf6cdf649c60214180a9153416ddc0c0884f3dfa9478696cac8","sha256:59a0a86bcae3f6bc3da35d71aae9915640fc6093b3ed0664aecb84a08cb0318f"],"state_sha256":"dabc25d4c22f1fe13bb5ba9e81a0535133118d6eb6877514042a55f6f38f5cd1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sk35X3ngnFW3TLgrvfAudAbANH8RrOSVRIB9EvTWBr0KE6CJJjL8IYyfhSMp/T3qjcGOJdWc8JDHl4WEinDaCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T13:55:59.530392Z","bundle_sha256":"e5a43bfbae8ee0d1241c1c6310323892f5b5131a3741660ae8feebc43f944200"}}