{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ECSJ5RBBEZBD2UNZLL5U3UECXH","short_pith_number":"pith:ECSJ5RBB","schema_version":"1.0","canonical_sha256":"20a49ec42126423d51b95afb4dd082b9fb78e381cba2a400068b7f18ca1f7e8c","source":{"kind":"arxiv","id":"1707.08804","version":1},"attestation_state":"computed","paper":{"title":"Quantum critical metrology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Ir\\'en\\'ee Fr\\'erot, Tommaso Roscilde","submitted_at":"2017-07-27T10:00:04Z","abstract_excerpt":"Quantum metrology fundamentally relies upon the efficient management of quantum uncertainties. We show that, under equilibrium conditions, the management of quantum noise becomes extremely flexible around the quantum critical point of a quantum many-body system: this is due to the critical divergence of quantum fluctuations of the order parameter, which, via Heisenberg's inequalities, may lead to the critical suppression of the fluctuations in conjugate observables. Taking the quantum Ising model as the paradigmatic incarnation of quantum phase transitions, we show that it exhibits quantum cri"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1707.08804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-07-27T10:00:04Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"919efd08264c5955538f2854c02c5dc3cbd9ac9e05545e69fbb5f82a9d80ae98","abstract_canon_sha256":"7d60a86ed444573d3fb0904f1d540581394864b89e80ab3f1fa99fd08602c2d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:32.325491Z","signature_b64":"B0fM6/4ZWK99jUNWqpHUfptFcu5/6sAXFMz6XSmuptNOEUvFkBoR6EsW2sIPilhQnGOB+W13khX5j5sWvglwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20a49ec42126423d51b95afb4dd082b9fb78e381cba2a400068b7f18ca1f7e8c","last_reissued_at":"2026-05-18T00:10:32.324863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:32.324863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum critical metrology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Ir\\'en\\'ee Fr\\'erot, Tommaso Roscilde","submitted_at":"2017-07-27T10:00:04Z","abstract_excerpt":"Quantum metrology fundamentally relies upon the efficient management of quantum uncertainties. We show that, under equilibrium conditions, the management of quantum noise becomes extremely flexible around the quantum critical point of a quantum many-body system: this is due to the critical divergence of quantum fluctuations of the order parameter, which, via Heisenberg's inequalities, may lead to the critical suppression of the fluctuations in conjugate observables. Taking the quantum Ising model as the paradigmatic incarnation of quantum phase transitions, we show that it exhibits quantum cri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.08804","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1707.08804","created_at":"2026-05-18T00:10:32.324953+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.08804v1","created_at":"2026-05-18T00:10:32.324953+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.08804","created_at":"2026-05-18T00:10:32.324953+00:00"},{"alias_kind":"pith_short_12","alias_value":"ECSJ5RBBEZBD","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"ECSJ5RBBEZBD2UNZ","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"ECSJ5RBB","created_at":"2026-05-18T12:31:12.930513+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH","json":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH.json","graph_json":"https://pith.science/api/pith-number/ECSJ5RBBEZBD2UNZLL5U3UECXH/graph.json","events_json":"https://pith.science/api/pith-number/ECSJ5RBBEZBD2UNZLL5U3UECXH/events.json","paper":"https://pith.science/paper/ECSJ5RBB"},"agent_actions":{"view_html":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH","download_json":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH.json","view_paper":"https://pith.science/paper/ECSJ5RBB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.08804&json=true","fetch_graph":"https://pith.science/api/pith-number/ECSJ5RBBEZBD2UNZLL5U3UECXH/graph.json","fetch_events":"https://pith.science/api/pith-number/ECSJ5RBBEZBD2UNZLL5U3UECXH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH/action/storage_attestation","attest_author":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH/action/author_attestation","sign_citation":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH/action/citation_signature","submit_replication":"https://pith.science/pith/ECSJ5RBBEZBD2UNZLL5U3UECXH/action/replication_record"}},"created_at":"2026-05-18T00:10:32.324953+00:00","updated_at":"2026-05-18T00:10:32.324953+00:00"}