{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3UDEMGDG5ORK2WJVL3CAC32D5L","short_pith_number":"pith:3UDEMGDG","canonical_record":{"source":{"id":"1809.02396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-07T10:39:31Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2be1d06677920505bd78c4db62f428c4abe2a3781ba3bb0b9120d9fb9ee6967e","abstract_canon_sha256":"7a02b5c73cccca633674cf5a35f3129e540133756193e5f2ddaaf58c6b88c5a8"},"schema_version":"1.0"},"canonical_sha256":"dd06461866eba2ad59355ec4016f43eae3c5057c5f7c63ee8096d6e3070fc33d","source":{"kind":"arxiv","id":"1809.02396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02396","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02396v1","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02396","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"pith_short_12","alias_value":"3UDEMGDG5ORK","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"3UDEMGDG5ORK2WJV","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"3UDEMGDG","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3UDEMGDG5ORK2WJVL3CAC32D5L","target":"record","payload":{"canonical_record":{"source":{"id":"1809.02396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-07T10:39:31Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2be1d06677920505bd78c4db62f428c4abe2a3781ba3bb0b9120d9fb9ee6967e","abstract_canon_sha256":"7a02b5c73cccca633674cf5a35f3129e540133756193e5f2ddaaf58c6b88c5a8"},"schema_version":"1.0"},"canonical_sha256":"dd06461866eba2ad59355ec4016f43eae3c5057c5f7c63ee8096d6e3070fc33d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:03.948539Z","signature_b64":"Dn5Y4un5kYHw8FEv/2dW0gtgfXlOPWLI59Ea3dvagEqFCqYR2tk3vEChy3csEjxgFF+SY7gc7pW4z0KLl74vBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd06461866eba2ad59355ec4016f43eae3c5057c5f7c63ee8096d6e3070fc33d","last_reissued_at":"2026-05-17T23:58:03.948035Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:03.948035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.02396","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":"2026-05-17T23:58:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJnsEdLHEjNT+3MdD8LY0jiMCzjYX9Q1QBsalz0VVu2Gu5wZMwvGzKxlbWLpRaOYTXsS8GgnAtXAPNerhhEDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:47:42.041473Z"},"content_sha256":"b4529b28379cb7451fc008b42ca442216ccf31cc00cbc457c707a0625b37b91b","schema_version":"1.0","event_id":"sha256:b4529b28379cb7451fc008b42ca442216ccf31cc00cbc457c707a0625b37b91b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3UDEMGDG5ORK2WJVL3CAC32D5L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revealing hidden quantum correlations in an electromechanical measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"C. F. Ockeloen-Korppi, E. Damsk\\\"agg, F. Massel, G. S. Paraoanu, M. A. Sillanp\\\"a\\\"a","submitted_at":"2018-09-07T10:39:31Z","abstract_excerpt":"Under a strong quantum measurement, the motion of an oscillator is disturbed by the measurement back-action, as required by the Heisenberg uncertainty principle. When a mechanical oscillator is continuously monitored via an electromagnetic cavity, as in a cavity optomechanical measurement, the back-action is manifest by the shot noise of incoming photons that becomes imprinted onto the motion of the oscillator. Following the photons leaving the cavity, the correlations appear as squeezing of quantum noise in the emitted field. Here we observe such \"ponderomotive\" squeezing in the microwave dom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02396","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":"2026-05-17T23:58:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouh9/2uKpR+IzOyQ+NR/bRGxGsu/ETkWokrg55lkMUbviJuu/Sknc+EIqRH4y8K2rroUXdUt2B6aLRnz/lgwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:47:42.042154Z"},"content_sha256":"baf1b0415972302357cfe70b7316b0ef87ca512c07f87dd5d146f3034d7c6d22","schema_version":"1.0","event_id":"sha256:baf1b0415972302357cfe70b7316b0ef87ca512c07f87dd5d146f3034d7c6d22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/bundle.json","state_url":"https://pith.science/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/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":"2026-05-25T16:47:42Z","links":{"resolver":"https://pith.science/pith/3UDEMGDG5ORK2WJVL3CAC32D5L","bundle":"https://pith.science/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/bundle.json","state":"https://pith.science/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UDEMGDG5ORK2WJVL3CAC32D5L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3UDEMGDG5ORK2WJVL3CAC32D5L","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":"7a02b5c73cccca633674cf5a35f3129e540133756193e5f2ddaaf58c6b88c5a8","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-07T10:39:31Z","title_canon_sha256":"2be1d06677920505bd78c4db62f428c4abe2a3781ba3bb0b9120d9fb9ee6967e"},"schema_version":"1.0","source":{"id":"1809.02396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.02396","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"arxiv_version","alias_value":"1809.02396v1","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02396","created_at":"2026-05-17T23:58:03Z"},{"alias_kind":"pith_short_12","alias_value":"3UDEMGDG5ORK","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"3UDEMGDG5ORK2WJV","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"3UDEMGDG","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:baf1b0415972302357cfe70b7316b0ef87ca512c07f87dd5d146f3034d7c6d22","target":"graph","created_at":"2026-05-17T23:58:03Z","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":"Under a strong quantum measurement, the motion of an oscillator is disturbed by the measurement back-action, as required by the Heisenberg uncertainty principle. When a mechanical oscillator is continuously monitored via an electromagnetic cavity, as in a cavity optomechanical measurement, the back-action is manifest by the shot noise of incoming photons that becomes imprinted onto the motion of the oscillator. Following the photons leaving the cavity, the correlations appear as squeezing of quantum noise in the emitted field. Here we observe such \"ponderomotive\" squeezing in the microwave dom","authors_text":"C. F. Ockeloen-Korppi, E. Damsk\\\"agg, F. Massel, G. S. Paraoanu, M. A. Sillanp\\\"a\\\"a","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-07T10:39:31Z","title":"Revealing hidden quantum correlations in an electromechanical measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02396","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:b4529b28379cb7451fc008b42ca442216ccf31cc00cbc457c707a0625b37b91b","target":"record","created_at":"2026-05-17T23:58:03Z","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":"7a02b5c73cccca633674cf5a35f3129e540133756193e5f2ddaaf58c6b88c5a8","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-07T10:39:31Z","title_canon_sha256":"2be1d06677920505bd78c4db62f428c4abe2a3781ba3bb0b9120d9fb9ee6967e"},"schema_version":"1.0","source":{"id":"1809.02396","kind":"arxiv","version":1}},"canonical_sha256":"dd06461866eba2ad59355ec4016f43eae3c5057c5f7c63ee8096d6e3070fc33d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd06461866eba2ad59355ec4016f43eae3c5057c5f7c63ee8096d6e3070fc33d","first_computed_at":"2026-05-17T23:58:03.948035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:03.948035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dn5Y4un5kYHw8FEv/2dW0gtgfXlOPWLI59Ea3dvagEqFCqYR2tk3vEChy3csEjxgFF+SY7gc7pW4z0KLl74vBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:03.948539Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.02396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4529b28379cb7451fc008b42ca442216ccf31cc00cbc457c707a0625b37b91b","sha256:baf1b0415972302357cfe70b7316b0ef87ca512c07f87dd5d146f3034d7c6d22"],"state_sha256":"a9ca7957aea30bbcaf9ba87b4b754a970c110a1e53ef7c0d4eb6d26a0ef79057"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yRwugC/J+Ak2SE/Tuz4x8VlWcXGoURJ83ZBAnPvVoPcD/0XjhSaZM3AXbZxYOQfA+k2d8cJFO8tHS5I2YHynCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:47:42.045491Z","bundle_sha256":"70c7a89766b2b4ec2c5c40048288c286594a64b2b52cfca350985d4bb815302f"}}