{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:57KMTCE7LFJJSKL4EMGFFJR7RT","short_pith_number":"pith:57KMTCE7","canonical_record":{"source":{"id":"1803.00972","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T18:02:31Z","cross_cats_sorted":[],"title_canon_sha256":"2c5ab184a27b06a6b20e6d0bb95310bd37a065564be5bd6e1f14c79414e5bc0d","abstract_canon_sha256":"3c3464bc0c5b55d2db5c06793d189204754f7e56dc8ba9d108e6d8afcb85acd4"},"schema_version":"1.0"},"canonical_sha256":"efd4c9889f595299297c230c52a63f8cccf97eb4422a7b22a81858e450cef216","source":{"kind":"arxiv","id":"1803.00972","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00972","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00972v2","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00972","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"pith_short_12","alias_value":"57KMTCE7LFJJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"57KMTCE7LFJJSKL4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"57KMTCE7","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:57KMTCE7LFJJSKL4EMGFFJR7RT","target":"record","payload":{"canonical_record":{"source":{"id":"1803.00972","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T18:02:31Z","cross_cats_sorted":[],"title_canon_sha256":"2c5ab184a27b06a6b20e6d0bb95310bd37a065564be5bd6e1f14c79414e5bc0d","abstract_canon_sha256":"3c3464bc0c5b55d2db5c06793d189204754f7e56dc8ba9d108e6d8afcb85acd4"},"schema_version":"1.0"},"canonical_sha256":"efd4c9889f595299297c230c52a63f8cccf97eb4422a7b22a81858e450cef216","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:35.576820Z","signature_b64":"ErBJr57FVAnqwjoZC+0KZz8Eg2kUU8dZuxByseUGtIwrSaoUuesgNGccM+t6eVgan+5cMh+JGKEqvbTIYXUQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efd4c9889f595299297c230c52a63f8cccf97eb4422a7b22a81858e450cef216","last_reissued_at":"2026-05-18T00:18:35.576422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:35.576422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.00972","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:18:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yr9OCxeara+q741wjRvYIMA2RTCJeUqGaJYDjiyzWFW4sStOesEkNIKmJBTjJ8x2uk7/mWmHZYiDxyyjUynIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T14:53:28.221015Z"},"content_sha256":"93892d71823c754948c6b7dc45e4b5f10438df78e25d4f8c9ecce0c852d4f9ec","schema_version":"1.0","event_id":"sha256:93892d71823c754948c6b7dc45e4b5f10438df78e25d4f8c9ecce0c852d4f9ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:57KMTCE7LFJJSKL4EMGFFJR7RT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Trade-off between information and disturbance in qubit thermometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Luigi Seveso, Matteo G. A. Paris","submitted_at":"2018-03-02T18:02:31Z","abstract_excerpt":"We address the trade-off between information and disturbance in qubit thermometry from the perspective of quantum estimation theory. Given a quantum measurement, we quantify information via the Fisher information of the measurement and disturbance via four different figures of merit, which capture different aspects (statistical, thermodynamical, geometrical) of the trade-off. For each disturbance measure, the efficient measurements, i.e. the measurements that introduce a disturbance not greater than any other measurement extracting the same amount of information, are determined explicitly. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00972","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:18:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pfWSV2AytcLnEQf9XnbXbZUZx+A6RUFeYNKuJIou12feFb+o32JTd+/vr8Swb/RLaYQSVLF8z1aIOHBCkCxgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T14:53:28.221372Z"},"content_sha256":"1d2b3a0fc3cb524a9e1ba4ce8808faab9fa413ad9a89250c63befefaba51fd5c","schema_version":"1.0","event_id":"sha256:1d2b3a0fc3cb524a9e1ba4ce8808faab9fa413ad9a89250c63befefaba51fd5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/bundle.json","state_url":"https://pith.science/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-30T14:53:28Z","links":{"resolver":"https://pith.science/pith/57KMTCE7LFJJSKL4EMGFFJR7RT","bundle":"https://pith.science/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/bundle.json","state":"https://pith.science/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/57KMTCE7LFJJSKL4EMGFFJR7RT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:57KMTCE7LFJJSKL4EMGFFJR7RT","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":"3c3464bc0c5b55d2db5c06793d189204754f7e56dc8ba9d108e6d8afcb85acd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T18:02:31Z","title_canon_sha256":"2c5ab184a27b06a6b20e6d0bb95310bd37a065564be5bd6e1f14c79414e5bc0d"},"schema_version":"1.0","source":{"id":"1803.00972","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00972","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00972v2","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00972","created_at":"2026-05-18T00:18:35Z"},{"alias_kind":"pith_short_12","alias_value":"57KMTCE7LFJJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"57KMTCE7LFJJSKL4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"57KMTCE7","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:1d2b3a0fc3cb524a9e1ba4ce8808faab9fa413ad9a89250c63befefaba51fd5c","target":"graph","created_at":"2026-05-18T00:18:35Z","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":"We address the trade-off between information and disturbance in qubit thermometry from the perspective of quantum estimation theory. Given a quantum measurement, we quantify information via the Fisher information of the measurement and disturbance via four different figures of merit, which capture different aspects (statistical, thermodynamical, geometrical) of the trade-off. For each disturbance measure, the efficient measurements, i.e. the measurements that introduce a disturbance not greater than any other measurement extracting the same amount of information, are determined explicitly. The","authors_text":"Luigi Seveso, Matteo G. A. Paris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T18:02:31Z","title":"Trade-off between information and disturbance in qubit thermometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00972","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":"sha256:93892d71823c754948c6b7dc45e4b5f10438df78e25d4f8c9ecce0c852d4f9ec","target":"record","created_at":"2026-05-18T00:18:35Z","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":"3c3464bc0c5b55d2db5c06793d189204754f7e56dc8ba9d108e6d8afcb85acd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T18:02:31Z","title_canon_sha256":"2c5ab184a27b06a6b20e6d0bb95310bd37a065564be5bd6e1f14c79414e5bc0d"},"schema_version":"1.0","source":{"id":"1803.00972","kind":"arxiv","version":2}},"canonical_sha256":"efd4c9889f595299297c230c52a63f8cccf97eb4422a7b22a81858e450cef216","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"efd4c9889f595299297c230c52a63f8cccf97eb4422a7b22a81858e450cef216","first_computed_at":"2026-05-18T00:18:35.576422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:35.576422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ErBJr57FVAnqwjoZC+0KZz8Eg2kUU8dZuxByseUGtIwrSaoUuesgNGccM+t6eVgan+5cMh+JGKEqvbTIYXUQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:35.576820Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00972","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93892d71823c754948c6b7dc45e4b5f10438df78e25d4f8c9ecce0c852d4f9ec","sha256:1d2b3a0fc3cb524a9e1ba4ce8808faab9fa413ad9a89250c63befefaba51fd5c"],"state_sha256":"6adba1e7283c6190204e32e3bfe2d1ea5e69121487e15005bb13b99edbb05ca2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6/fQutwTQadlLXJB4bMiMQZ3+aoTpfERfiOqUvErPO6yni29ilyqZBShI13qPijUvvLNiE+AhIGO553CBEJtDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T14:53:28.223377Z","bundle_sha256":"3ea65a84041b87f84b61991e47b94255ae1ac8f2d651a8c14c2a66209d4972ef"}}