{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MB5XWHYRPFIAYYJMTR7O5VCUAS","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":"749a2d5aa197d0a0969b4085b6bafd9dae8847319dcdd5645e570bb7a6eb3a31","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-07T06:45:34Z","title_canon_sha256":"d2fffcd8546cc502ddfd73fe8da95c3906da38e183f67e9b3207d1f6e3f608d3"},"schema_version":"1.0","source":{"id":"1509.01925","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01925","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01925v2","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01925","created_at":"2026-05-18T01:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"MB5XWHYRPFIA","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MB5XWHYRPFIAYYJM","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MB5XWHYR","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:6671a3b2999a5773f971014e0b7565eb82d057820ce608d74cab73eabe0fac48","target":"graph","created_at":"2026-05-18T01:24:39Z","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":"Nuclear matrix elements (NME) for exchange of arbitrary mass neutrinos are calculated in the interacting boson model (IBM-2). By combining the NME with the phase space factors (PSF), expected half-lives for neutrinos of mass $m_N$ and coupling $U_{eN}$ are estimated. Limits on sterile neutrinos with masses in the eV, keV, MeV-GeV, and TeV range are given.","authors_text":"F. Iachello, J. Barea, J. Kotila","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-07T06:45:34Z","title":"Limits on sterile neutrino contributions to neutrinoless double beta decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01925","kind":"arxiv","version":2},"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":"sha256:15bf8420dc7eb1ad40130d27b974579ccd81bb26d120753f5f2bc78897e5d051","target":"record","created_at":"2026-05-18T01:24:39Z","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":"749a2d5aa197d0a0969b4085b6bafd9dae8847319dcdd5645e570bb7a6eb3a31","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-07T06:45:34Z","title_canon_sha256":"d2fffcd8546cc502ddfd73fe8da95c3906da38e183f67e9b3207d1f6e3f608d3"},"schema_version":"1.0","source":{"id":"1509.01925","kind":"arxiv","version":2}},"canonical_sha256":"607b7b1f1179500c612c9c7eeed454049fe918433066d38ccaf349c8f4cf003f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"607b7b1f1179500c612c9c7eeed454049fe918433066d38ccaf349c8f4cf003f","first_computed_at":"2026-05-18T01:24:39.332652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:39.332652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6gsN92uX+KJ2jOFIl+YeHHEmKZsEbV2oK21qoo4qes5BLcmonKFZFHYGwOe9/m1KOfdjPvhlIYXs3F8njDmBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:39.333006Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.01925","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15bf8420dc7eb1ad40130d27b974579ccd81bb26d120753f5f2bc78897e5d051","sha256:6671a3b2999a5773f971014e0b7565eb82d057820ce608d74cab73eabe0fac48"],"state_sha256":"3acd0f38c41bb88a075dbd26800ce9f50e2ca84b9e71a23a6c81db23343401de"}