{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OGGAVS7AP7IJRY3EK4JHN63MQQ","short_pith_number":"pith:OGGAVS7A","canonical_record":{"source":{"id":"1411.5648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-20T19:31:29Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"b7ba8d223069ff1eee108834f964255fc09b65d17a48c6ceb800a522b81d444a","abstract_canon_sha256":"9e6ef498401dfbef9bd6d71683b2403af7c85869a651fac13779bdbb3bfc9a08"},"schema_version":"1.0"},"canonical_sha256":"718c0acbe07fd098e364571276fb6c841532f8d312b53bc0d0cbeea8c6cb22d0","source":{"kind":"arxiv","id":"1411.5648","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5648","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5648v1","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5648","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"pith_short_12","alias_value":"OGGAVS7AP7IJ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OGGAVS7AP7IJRY3E","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OGGAVS7A","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OGGAVS7AP7IJRY3EK4JHN63MQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1411.5648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-20T19:31:29Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"b7ba8d223069ff1eee108834f964255fc09b65d17a48c6ceb800a522b81d444a","abstract_canon_sha256":"9e6ef498401dfbef9bd6d71683b2403af7c85869a651fac13779bdbb3bfc9a08"},"schema_version":"1.0"},"canonical_sha256":"718c0acbe07fd098e364571276fb6c841532f8d312b53bc0d0cbeea8c6cb22d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:58.988567Z","signature_b64":"jkzRZgafLsB0ORWqSkZChWY+Vz71GmxT7ixB+vcHpCemWc+/A6G3kcTu7YiSkv+h07u+Z4yH7/+NzG0mSHjSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"718c0acbe07fd098e364571276fb6c841532f8d312b53bc0d0cbeea8c6cb22d0","last_reissued_at":"2026-05-18T02:31:58.987873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:58.987873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.5648","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":"2026-05-18T02:31:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUEVvszSaAdlIhaVi+Ufet5CuUzIhCQo1Q41WHhzxYaSWF12bpNKkGwRAczUs0oFuNLWFzYJx/B7MpCE2QpdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:07:40.723444Z"},"content_sha256":"2762e9fa5cf0107573c0da90a7b825d1184bf6c6062f2e78198b996fc024245b","schema_version":"1.0","event_id":"sha256:2762e9fa5cf0107573c0da90a7b825d1184bf6c6062f2e78198b996fc024245b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OGGAVS7AP7IJRY3EK4JHN63MQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical non-Gaussian state preparation through squeezing in an opto-electromechanical resonator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"physics.optics","authors_text":"Hong X. Tang, King Y. Fong, Menno Poot","submitted_at":"2014-11-20T19:31:29Z","abstract_excerpt":"We demonstrate squeezing of a strongly interacting opto-electromechanical system using a parametric drive. By employing real-time feedback on the phase of the pump at twice the resonance frequency the thermo-mechanical noise is squeezed beyond the 3 dB instability limit. Surprisingly, this method can also be used to generate highly nonlinear states. We show that using the parametric drive with feedback on, classical number-like and cat-like states can be prepared. This presents a valuable electro-optomechanical state-preparation protocol that is extendable to the quantum regime."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5648","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":"2026-05-18T02:31:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sRMlQGNCeBU8Pw2HbOhxdpYk6PdJQiorXlglwBopNSD2OnOZTGyFfjCm5bfQy+obA31nIWiyoiKQBGrqGFs0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:07:40.724119Z"},"content_sha256":"beec9d83937a80e08202d313400c66056e773fa7c72e2a02f1c80e769229a072","schema_version":"1.0","event_id":"sha256:beec9d83937a80e08202d313400c66056e773fa7c72e2a02f1c80e769229a072"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/bundle.json","state_url":"https://pith.science/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/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":"2026-05-18T20:07:40Z","links":{"resolver":"https://pith.science/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ","bundle":"https://pith.science/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/bundle.json","state":"https://pith.science/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGGAVS7AP7IJRY3EK4JHN63MQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OGGAVS7AP7IJRY3EK4JHN63MQQ","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":"9e6ef498401dfbef9bd6d71683b2403af7c85869a651fac13779bdbb3bfc9a08","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-20T19:31:29Z","title_canon_sha256":"b7ba8d223069ff1eee108834f964255fc09b65d17a48c6ceb800a522b81d444a"},"schema_version":"1.0","source":{"id":"1411.5648","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5648","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5648v1","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5648","created_at":"2026-05-18T02:31:58Z"},{"alias_kind":"pith_short_12","alias_value":"OGGAVS7AP7IJ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OGGAVS7AP7IJRY3E","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OGGAVS7A","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:beec9d83937a80e08202d313400c66056e773fa7c72e2a02f1c80e769229a072","target":"graph","created_at":"2026-05-18T02:31:58Z","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 demonstrate squeezing of a strongly interacting opto-electromechanical system using a parametric drive. By employing real-time feedback on the phase of the pump at twice the resonance frequency the thermo-mechanical noise is squeezed beyond the 3 dB instability limit. Surprisingly, this method can also be used to generate highly nonlinear states. We show that using the parametric drive with feedback on, classical number-like and cat-like states can be prepared. This presents a valuable electro-optomechanical state-preparation protocol that is extendable to the quantum regime.","authors_text":"Hong X. Tang, King Y. Fong, Menno Poot","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-20T19:31:29Z","title":"Classical non-Gaussian state preparation through squeezing in an opto-electromechanical resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5648","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":"sha256:2762e9fa5cf0107573c0da90a7b825d1184bf6c6062f2e78198b996fc024245b","target":"record","created_at":"2026-05-18T02:31:58Z","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":"9e6ef498401dfbef9bd6d71683b2403af7c85869a651fac13779bdbb3bfc9a08","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-20T19:31:29Z","title_canon_sha256":"b7ba8d223069ff1eee108834f964255fc09b65d17a48c6ceb800a522b81d444a"},"schema_version":"1.0","source":{"id":"1411.5648","kind":"arxiv","version":1}},"canonical_sha256":"718c0acbe07fd098e364571276fb6c841532f8d312b53bc0d0cbeea8c6cb22d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"718c0acbe07fd098e364571276fb6c841532f8d312b53bc0d0cbeea8c6cb22d0","first_computed_at":"2026-05-18T02:31:58.987873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:58.987873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jkzRZgafLsB0ORWqSkZChWY+Vz71GmxT7ixB+vcHpCemWc+/A6G3kcTu7YiSkv+h07u+Z4yH7/+NzG0mSHjSDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:58.988567Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5648","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2762e9fa5cf0107573c0da90a7b825d1184bf6c6062f2e78198b996fc024245b","sha256:beec9d83937a80e08202d313400c66056e773fa7c72e2a02f1c80e769229a072"],"state_sha256":"a0343b6edc00bd0c0a4d42fa5ecc596b75273a499eb5012d130e012d48fb2990"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1CCZkUzwLLGTFi6tJEHG0vT28QlmWA0DAPhASnLntX+wez9DHZpQ2bCQctJ7qaDwvZIW87tX0v3afclaZYbUDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T20:07:40.726242Z","bundle_sha256":"214bb1e45ebe56f6ee3b151ac530b6f95bcbf078e4c5748ea0cecee9aada7c80"}}