{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:53IQEKF6ENLH6YAHJLNDRJUPVJ","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":"c25a720d6b0c5481d8ba7a970e4f838dcc6b853f2e7dae62a1c35598c602edc4","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-04-08T03:58:48Z","title_canon_sha256":"0cf2ece1b0e59a44add4764f579413d4f2cdf2e489f1bf29c21f178ce73f56d9"},"schema_version":"1.0","source":{"id":"physics/0404042","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0404042","created_at":"2026-07-04T15:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0404042v1","created_at":"2026-07-04T15:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0404042","created_at":"2026-07-04T15:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"53IQEKF6ENLH","created_at":"2026-07-04T15:37:17Z"},{"alias_kind":"pith_short_16","alias_value":"53IQEKF6ENLH6YAH","created_at":"2026-07-04T15:37:17Z"},{"alias_kind":"pith_short_8","alias_value":"53IQEKF6","created_at":"2026-07-04T15:37:17Z"}],"graph_snapshots":[{"event_id":"sha256:ff6dc6347f1287e4ad7bf6df92b67e0c584b5cee0072af95ead476d3f7cd287c","target":"graph","created_at":"2026-07-04T15:37:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/physics/0404042/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform accurate calculations of the dependence of transition frequencies in two valence electron atoms and ions on a variation of the fine structure constant, alpha. The relativistic Hartree-Fock method is used with many-body perturbation theory and configuration interaction methods to calculate transition frequencies. The results are to be used in atomic-clock-type laboratory experiments designed to test whether alpha varies in time.","authors_text":"E. J. Angstmann, V. A. Dzuba, V. V. Flambaum","cross_cats":[],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-04-08T03:58:48Z","title":"Relativistic effects in two valence electron atoms and ions and the search for variation of the fine structure constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0404042","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":"sha256:44178280a1b34c66df35c38a5e50e52f61afd4f9dd0d9c5a696a951ad41d995b","target":"record","created_at":"2026-07-04T15:37:17Z","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":"c25a720d6b0c5481d8ba7a970e4f838dcc6b853f2e7dae62a1c35598c602edc4","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-04-08T03:58:48Z","title_canon_sha256":"0cf2ece1b0e59a44add4764f579413d4f2cdf2e489f1bf29c21f178ce73f56d9"},"schema_version":"1.0","source":{"id":"physics/0404042","kind":"arxiv","version":1}},"canonical_sha256":"eed10228be23567f60074ada38a68faa503ef7f34616ac5fbcdd3f83291ab4df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eed10228be23567f60074ada38a68faa503ef7f34616ac5fbcdd3f83291ab4df","first_computed_at":"2026-07-04T15:37:17.640217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:37:17.640217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"faxhXIJ8dwDU8SduPO+c4B2TZjGAWzPcGdGsttnRFuRPDN2UFZTKunWvzMMBc6DST8GB0kIUNGflXQuKigmbBg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:37:17.640584Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0404042","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44178280a1b34c66df35c38a5e50e52f61afd4f9dd0d9c5a696a951ad41d995b","sha256:ff6dc6347f1287e4ad7bf6df92b67e0c584b5cee0072af95ead476d3f7cd287c"],"state_sha256":"281dfb6f80e1e22259fd6e1077eaceb962f6f58659579671203600405924693a"}