{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:IGSNDII4FL5NVKVIX7VOMOFRWK","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":"c2bad54d7209ca489b24feae811ce5d0fece145b415033493f8a2ae430a7ea98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-10T01:06:46Z","title_canon_sha256":"a431f2598432c06df542e77667722ca1b0b52c8ea4d335b15d9364adc3298f54"},"schema_version":"1.0","source":{"id":"1909.04218","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.04218","created_at":"2026-07-05T00:03:19Z"},{"alias_kind":"arxiv_version","alias_value":"1909.04218v1","created_at":"2026-07-05T00:03:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.04218","created_at":"2026-07-05T00:03:19Z"},{"alias_kind":"pith_short_12","alias_value":"IGSNDII4FL5N","created_at":"2026-07-05T00:03:19Z"},{"alias_kind":"pith_short_16","alias_value":"IGSNDII4FL5NVKVI","created_at":"2026-07-05T00:03:19Z"},{"alias_kind":"pith_short_8","alias_value":"IGSNDII4","created_at":"2026-07-05T00:03:19Z"}],"graph_snapshots":[{"event_id":"sha256:3460d380040ca56ab92753473ecb3669c37c9dda4f07e089b21f6888e266b44b","target":"graph","created_at":"2026-07-05T00:03:19Z","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/1909.04218/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Precise measurement of frequency sensitivity coefficients (FSCs) of some physical effects contributing to uncertainty is an important work in type-B uncertainty (u_B) evaluation of atomic frequency standards. We proposed a method based on statistical correlation of noise to measure FSCs and evaluate u_B for atomic frequency standards, and giving a full statistical expression of FSC as K_I=COV_A(y,x_I)/(sigma(x_I))^2 , where y and x_I are fractional frequency of atomic frequency standards and noise independent variable of Ith physical effects, respectively. The confidence value and the effect o","authors_text":"Ning Zhang, Qian Wang, Rong Wei, Yuzhu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-10T01:06:46Z","title":"Measurement of frequency sensitivity coefficient and evaluation of type-B uncertainty for atomic frequency standard based on statistical correlation of noise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.04218","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":"sha256:5d4cff695c65aabb533664167c6fcbce5cc13778162112d8f9cd9dd4d5c852d9","target":"record","created_at":"2026-07-05T00:03:19Z","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":"c2bad54d7209ca489b24feae811ce5d0fece145b415033493f8a2ae430a7ea98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-09-10T01:06:46Z","title_canon_sha256":"a431f2598432c06df542e77667722ca1b0b52c8ea4d335b15d9364adc3298f54"},"schema_version":"1.0","source":{"id":"1909.04218","kind":"arxiv","version":1}},"canonical_sha256":"41a4d1a11c2afadaaaa8bfeae638b1b29ced81ca7cb2c4678e149aacb8a98d7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41a4d1a11c2afadaaaa8bfeae638b1b29ced81ca7cb2c4678e149aacb8a98d7a","first_computed_at":"2026-07-05T00:03:19.756281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:03:19.756281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AHkJw2kwXE8ja2Taoa9h4SaVYgdTZLFNCRqVtndP4dvM8zl94pas1DrpOrDjE3BfpkRBCSSZAVV50Zo9byHZBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:03:19.756709Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.04218","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d4cff695c65aabb533664167c6fcbce5cc13778162112d8f9cd9dd4d5c852d9","sha256:3460d380040ca56ab92753473ecb3669c37c9dda4f07e089b21f6888e266b44b"],"state_sha256":"167a594c0c85d3540fd662a46180ca205ea742b683cd4888460e57d136dd0ddf"}