{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4ORVOEKK2OE2IV6KL6ICQR6JOB","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":"535f9b7243185a9c33c7d28f0b134c68c7163367e35603ea8b867d412e27b2c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-25T18:54:27Z","title_canon_sha256":"04386a8e21e1d05e37c8678b10d7d5f60d0c4e584d4a95c7571eaf4e836cb120"},"schema_version":"1.0","source":{"id":"1209.5722","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5722","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5722v1","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5722","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"4ORVOEKK2OE2","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4ORVOEKK2OE2IV6K","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4ORVOEKK","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:d32c689eacb61c8876bb183dcaff5d6205c1c3127d64fc23fd4158c32b067300","target":"graph","created_at":"2026-05-18T03:44:47Z","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 complete and improved calculation of phase space factors (PSF) for $2\\nu\\beta\\beta$ and $0\\nu\\beta\\beta$ decay is presented. The calculation makes use of exact Dirac wave functions with finite nuclear size and electron screening and includes life-times, single and summed electron spectra, and angular electron correlations.","authors_text":"F. Iachello, J. Kotila","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-25T18:54:27Z","title":"Phase space factors for double-$\\beta$ decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5722","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":"sha256:572ae5537254ab9e599015b60971fa5033c5baf326fe40df04fb53e6ac42c2ab","target":"record","created_at":"2026-05-18T03:44:47Z","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":"535f9b7243185a9c33c7d28f0b134c68c7163367e35603ea8b867d412e27b2c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-25T18:54:27Z","title_canon_sha256":"04386a8e21e1d05e37c8678b10d7d5f60d0c4e584d4a95c7571eaf4e836cb120"},"schema_version":"1.0","source":{"id":"1209.5722","kind":"arxiv","version":1}},"canonical_sha256":"e3a357114ad389a457ca5f902847c9706bb9f97585d4a5cdecfe77487f2a4f1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3a357114ad389a457ca5f902847c9706bb9f97585d4a5cdecfe77487f2a4f1e","first_computed_at":"2026-05-18T03:44:47.700781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:47.700781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OvUivjd40z/5KMUFS+LZLWodCNmQ0dG0TlyMFnJjh9yeLtgCP52NNh4zbmIq6wSK4BQbs8YI4jRm3K2m2gl1Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:47.701621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5722","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:572ae5537254ab9e599015b60971fa5033c5baf326fe40df04fb53e6ac42c2ab","sha256:d32c689eacb61c8876bb183dcaff5d6205c1c3127d64fc23fd4158c32b067300"],"state_sha256":"22562002b64205e07d504355b5df713740797a477585ed325ad5d2bd67d1de9a"}