{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MVNXYD3IJIBB2IP5TRCP263PKM","short_pith_number":"pith:MVNXYD3I","canonical_record":{"source":{"id":"1206.0793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-04T23:47:37Z","cross_cats_sorted":[],"title_canon_sha256":"78bdc5215a78efa61093687c6c76e4ccf604206249784447f48b59f465ae77ef","abstract_canon_sha256":"5484c828fe55cbf0580efa92056b8df38f4aaf01650c14b379daaacfb0ec62d0"},"schema_version":"1.0"},"canonical_sha256":"655b7c0f684a021d21fd9c44fd7b6f531cdc3d3c437a4ac664e107d8cfbdac1b","source":{"kind":"arxiv","id":"1206.0793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0793","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0793v1","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0793","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"MVNXYD3IJIBB","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MVNXYD3IJIBB2IP5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MVNXYD3I","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MVNXYD3IJIBB2IP5TRCP263PKM","target":"record","payload":{"canonical_record":{"source":{"id":"1206.0793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-04T23:47:37Z","cross_cats_sorted":[],"title_canon_sha256":"78bdc5215a78efa61093687c6c76e4ccf604206249784447f48b59f465ae77ef","abstract_canon_sha256":"5484c828fe55cbf0580efa92056b8df38f4aaf01650c14b379daaacfb0ec62d0"},"schema_version":"1.0"},"canonical_sha256":"655b7c0f684a021d21fd9c44fd7b6f531cdc3d3c437a4ac664e107d8cfbdac1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:07.797651Z","signature_b64":"60aZ5LPzXsSjqt0FgD3XqaXZYIbTqQ0zYF4H7nVLIgjOTajyCuqKgNOVkDZOcZSzcJ9SOJS2fOHSpgdiYF2aBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"655b7c0f684a021d21fd9c44fd7b6f531cdc3d3c437a4ac664e107d8cfbdac1b","last_reissued_at":"2026-05-18T01:57:07.797168Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:07.797168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.0793","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zEUKFag2i4S1hrbIvH8WDpzZFAmDb6qJf6jEoTQQoOHkShfAOwgZQqac54kqtbcV33S8Bjowng7bLU+cMGUpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:21:45.237096Z"},"content_sha256":"ddaa5ac6c13b89cfbdee59af98ce4c02002c6cda20793a2554bd350af789d211","schema_version":"1.0","event_id":"sha256:ddaa5ac6c13b89cfbdee59af98ce4c02002c6cda20793a2554bd350af789d211"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MVNXYD3IJIBB2IP5TRCP263PKM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum back-action in measurements of zero-point mechanical oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Amir H. Safavi-Naeini, Farid Ya. Khalili, Haixing Miao, Huan Yang, Oskar Painter, Yanbei Chen","submitted_at":"2012-06-04T23:47:37Z","abstract_excerpt":"Measurement-induced back action, a direct consequence of the Heisenberg Uncertainty Principle, is the defining feature of quantum measurements. We use quantum measurement theory to analyze the recent experiment of Safavi-Naeini et al. [Phys. Rev. Lett. {\\bf 108}, 033602 (2012)], and show that results of this experiment not only characterize the zero-point fluctuation of a near-ground-state nanomechanical oscillator, but also demonstrate the existence of quantum back-action noise --- through correlations that exist between sensing noise and back-action noise. These correlations arise from the q"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0793","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CToWblHoEpHOKY54BX7Fw81aMuZL5wxN4eEtrmwFjdOsvIPbMzC1SbDFF5yMKK/z5rQzYsg0CWyukP96OJ7hAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:21:45.237751Z"},"content_sha256":"11268a78317b3c240bc71d5108346885b8f80dc8dfe1404f3eac3e694092b80f","schema_version":"1.0","event_id":"sha256:11268a78317b3c240bc71d5108346885b8f80dc8dfe1404f3eac3e694092b80f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MVNXYD3IJIBB2IP5TRCP263PKM/bundle.json","state_url":"https://pith.science/pith/MVNXYD3IJIBB2IP5TRCP263PKM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MVNXYD3IJIBB2IP5TRCP263PKM/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":"2026-05-25T19:21:45Z","links":{"resolver":"https://pith.science/pith/MVNXYD3IJIBB2IP5TRCP263PKM","bundle":"https://pith.science/pith/MVNXYD3IJIBB2IP5TRCP263PKM/bundle.json","state":"https://pith.science/pith/MVNXYD3IJIBB2IP5TRCP263PKM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MVNXYD3IJIBB2IP5TRCP263PKM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MVNXYD3IJIBB2IP5TRCP263PKM","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":"5484c828fe55cbf0580efa92056b8df38f4aaf01650c14b379daaacfb0ec62d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-04T23:47:37Z","title_canon_sha256":"78bdc5215a78efa61093687c6c76e4ccf604206249784447f48b59f465ae77ef"},"schema_version":"1.0","source":{"id":"1206.0793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0793","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0793v1","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0793","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"MVNXYD3IJIBB","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MVNXYD3IJIBB2IP5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MVNXYD3I","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:11268a78317b3c240bc71d5108346885b8f80dc8dfe1404f3eac3e694092b80f","target":"graph","created_at":"2026-05-18T01:57:07Z","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":"Measurement-induced back action, a direct consequence of the Heisenberg Uncertainty Principle, is the defining feature of quantum measurements. We use quantum measurement theory to analyze the recent experiment of Safavi-Naeini et al. [Phys. Rev. Lett. {\\bf 108}, 033602 (2012)], and show that results of this experiment not only characterize the zero-point fluctuation of a near-ground-state nanomechanical oscillator, but also demonstrate the existence of quantum back-action noise --- through correlations that exist between sensing noise and back-action noise. These correlations arise from the q","authors_text":"Amir H. Safavi-Naeini, Farid Ya. Khalili, Haixing Miao, Huan Yang, Oskar Painter, Yanbei Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-04T23:47:37Z","title":"Quantum back-action in measurements of zero-point mechanical oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0793","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:ddaa5ac6c13b89cfbdee59af98ce4c02002c6cda20793a2554bd350af789d211","target":"record","created_at":"2026-05-18T01:57:07Z","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":"5484c828fe55cbf0580efa92056b8df38f4aaf01650c14b379daaacfb0ec62d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-04T23:47:37Z","title_canon_sha256":"78bdc5215a78efa61093687c6c76e4ccf604206249784447f48b59f465ae77ef"},"schema_version":"1.0","source":{"id":"1206.0793","kind":"arxiv","version":1}},"canonical_sha256":"655b7c0f684a021d21fd9c44fd7b6f531cdc3d3c437a4ac664e107d8cfbdac1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"655b7c0f684a021d21fd9c44fd7b6f531cdc3d3c437a4ac664e107d8cfbdac1b","first_computed_at":"2026-05-18T01:57:07.797168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:07.797168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"60aZ5LPzXsSjqt0FgD3XqaXZYIbTqQ0zYF4H7nVLIgjOTajyCuqKgNOVkDZOcZSzcJ9SOJS2fOHSpgdiYF2aBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:07.797651Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddaa5ac6c13b89cfbdee59af98ce4c02002c6cda20793a2554bd350af789d211","sha256:11268a78317b3c240bc71d5108346885b8f80dc8dfe1404f3eac3e694092b80f"],"state_sha256":"e4d2d0478f79f31a7c1c88d88669bd01065fcd2b4f39a7584cd0067b0684a42a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAmUX0ceA7dVtpmeYfcFQRvB9xS0a3ma87aIFlqud/+Et9gmhggE08MSSeiksbpu1SkZG4aHBvY3UCVJ0uqcDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:21:45.241152Z","bundle_sha256":"8b2efd7caaeb995a218cddd57af0ef7883c782b89e383b1e667eab2396c96c5e"}}