{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:EUAMHPTZLBMLD2A3TG47KWBPIY","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":"fe7d74f1a5e05c2be02ade178b8c079e70ae145a557653db376d2c7d15ca66d9","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-10-08T12:39:26Z","title_canon_sha256":"2ac62537c0390055ee70f0d289a5bca1eb925b5029b682e9331ee25bb2e15935"},"schema_version":"1.0","source":{"id":"nucl-ex/0210011","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0210011","created_at":"2026-05-18T02:35:38Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0210011v2","created_at":"2026-05-18T02:35:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0210011","created_at":"2026-05-18T02:35:38Z"},{"alias_kind":"pith_short_12","alias_value":"EUAMHPTZLBML","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"EUAMHPTZLBMLD2A3","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"EUAMHPTZ","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:c5a5740fda2cab59e5949f007c6a768b0993d8aeeee0cdd8564eae5539768b78","target":"graph","created_at":"2026-05-18T02:35:38Z","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 comparison is made of the probability of the process of two neutrino double beta decay for $^{82}$Se in direct (counter) and geochemical experiments. It is shown that the probability is systematically lower in geochemical experiments, which characterize the probability of $\\beta\\beta(2\\nu)$ decay a few billions years ago. The experimental data for $^{130}$Te are also analyzed. It is shown that geochemical measurements on young minerals give lower values of $T_{1/2}$ ($^{130}$Te) and $T_{1/2}$ ($^{82}$Se) as compared to measurements on old minerals. It is proposed that this could be due to a ","authors_text":"A.S. Barabash","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2002-10-08T12:39:26Z","title":"Possible Evidence of Time Variation of Weak Interaction Constant from Double Beta Decay Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0210011","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:bd305474d4ccf59b313039b05b8b8d0ad9a64c4b28f65be71f8e90692b64bb94","target":"record","created_at":"2026-05-18T02:35:38Z","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":"fe7d74f1a5e05c2be02ade178b8c079e70ae145a557653db376d2c7d15ca66d9","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-10-08T12:39:26Z","title_canon_sha256":"2ac62537c0390055ee70f0d289a5bca1eb925b5029b682e9331ee25bb2e15935"},"schema_version":"1.0","source":{"id":"nucl-ex/0210011","kind":"arxiv","version":2}},"canonical_sha256":"2500c3be795858b1e81b99b9f5582f463636e6af90072e943d381f2f127a2ec0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2500c3be795858b1e81b99b9f5582f463636e6af90072e943d381f2f127a2ec0","first_computed_at":"2026-05-18T02:35:38.159254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:38.159254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CsvQKhNKKd6y+KN5gQe/9yeJo3lqEICm6qzEyoUimP9r1YPuwOQPtJFLwvXuVg4grQ0BUli2DcrcAGjbVBYpAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:38.159678Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0210011","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd305474d4ccf59b313039b05b8b8d0ad9a64c4b28f65be71f8e90692b64bb94","sha256:c5a5740fda2cab59e5949f007c6a768b0993d8aeeee0cdd8564eae5539768b78"],"state_sha256":"4a095b46e4ae0d0f314b74e8c32a211197d549242a1c8092681e59736263573d"}