{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NZ755KT4SKJ4EECFKTQ7KOICDA","short_pith_number":"pith:NZ755KT4","canonical_record":{"source":{"id":"1106.0788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-04T04:36:29Z","cross_cats_sorted":[],"title_canon_sha256":"8efb757638e51df000f78ee1eb1a0e13215bdb4a3b5b2c7b06fd255cd6c90103","abstract_canon_sha256":"0cdc2dbd75cd7c64586ae06705cdd6a922f7421bb7a68644141c622a34eecadf"},"schema_version":"1.0"},"canonical_sha256":"6e7fdeaa7c9293c2104554e1f539021833623019a6bcc2df0348ef0ba5dfcdff","source":{"kind":"arxiv","id":"1106.0788","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0788","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0788v2","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0788","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"pith_short_12","alias_value":"NZ755KT4SKJ4","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NZ755KT4SKJ4EECF","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NZ755KT4","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NZ755KT4SKJ4EECFKTQ7KOICDA","target":"record","payload":{"canonical_record":{"source":{"id":"1106.0788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-04T04:36:29Z","cross_cats_sorted":[],"title_canon_sha256":"8efb757638e51df000f78ee1eb1a0e13215bdb4a3b5b2c7b06fd255cd6c90103","abstract_canon_sha256":"0cdc2dbd75cd7c64586ae06705cdd6a922f7421bb7a68644141c622a34eecadf"},"schema_version":"1.0"},"canonical_sha256":"6e7fdeaa7c9293c2104554e1f539021833623019a6bcc2df0348ef0ba5dfcdff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:42.124217Z","signature_b64":"Oouaoqy8GsgYg+s+mZ8Wb4veky/ZQaPfFh5gPTXGj9DWC+bM30W1ITVgaty7AUm1eRKHQt9ib9l8Jbgf0DO6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e7fdeaa7c9293c2104554e1f539021833623019a6bcc2df0348ef0ba5dfcdff","last_reissued_at":"2026-05-18T02:01:42.123554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:42.123554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.0788","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":"2026-05-18T02:01:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M03ZsRNOMkSNQRSEWjgecdnTlffAWEK4idRsioXovLX712VNe4Vz6f0QUDC1E1bgUvAQrNSBIStpgui12s2NBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:32:36.515912Z"},"content_sha256":"338f020b38db409c02b1cb32dd741e560de08af4251bcdfe65a09bdc55572a4d","schema_version":"1.0","event_id":"sha256:338f020b38db409c02b1cb32dd741e560de08af4251bcdfe65a09bdc55572a4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NZ755KT4SKJ4EECFKTQ7KOICDA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optomechanical Entanglement in the Presence of Laser Phase Noise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. R. Bahrampour, C. Simon, R. Ghobadi","submitted_at":"2011-06-04T04:36:29Z","abstract_excerpt":"We study the simplest optomechanical system in the presence of laser phase noise using the covariance matrix formalism. We show that the destructive effect of the phase noise is especially strong in the bistable regime. This explains why ground state cooling is still possible in the presence of phase noise, as it happens far away from the bistable regime. On the other hand, the optomechanical entanglement is strongly affected by phase noise."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0788","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":"2026-05-18T02:01:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kJGTakGv3GaToPhz00PAtP7DQsIQQqFeLNu7UIkEA1ioJmucW+LuEnhaFUOM0QDqHu0EoLzY/iyOHAB5NrSWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:32:36.516547Z"},"content_sha256":"d0f9fb0251abddd39306218a4e19495bd90f3110b83672ee6dac491a90a1bf00","schema_version":"1.0","event_id":"sha256:d0f9fb0251abddd39306218a4e19495bd90f3110b83672ee6dac491a90a1bf00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/bundle.json","state_url":"https://pith.science/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/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":"2026-06-04T04:32:36Z","links":{"resolver":"https://pith.science/pith/NZ755KT4SKJ4EECFKTQ7KOICDA","bundle":"https://pith.science/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/bundle.json","state":"https://pith.science/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NZ755KT4SKJ4EECFKTQ7KOICDA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NZ755KT4SKJ4EECFKTQ7KOICDA","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":"0cdc2dbd75cd7c64586ae06705cdd6a922f7421bb7a68644141c622a34eecadf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-04T04:36:29Z","title_canon_sha256":"8efb757638e51df000f78ee1eb1a0e13215bdb4a3b5b2c7b06fd255cd6c90103"},"schema_version":"1.0","source":{"id":"1106.0788","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0788","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0788v2","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0788","created_at":"2026-05-18T02:01:42Z"},{"alias_kind":"pith_short_12","alias_value":"NZ755KT4SKJ4","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NZ755KT4SKJ4EECF","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NZ755KT4","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:d0f9fb0251abddd39306218a4e19495bd90f3110b83672ee6dac491a90a1bf00","target":"graph","created_at":"2026-05-18T02:01:42Z","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 study the simplest optomechanical system in the presence of laser phase noise using the covariance matrix formalism. We show that the destructive effect of the phase noise is especially strong in the bistable regime. This explains why ground state cooling is still possible in the presence of phase noise, as it happens far away from the bistable regime. On the other hand, the optomechanical entanglement is strongly affected by phase noise.","authors_text":"A. R. Bahrampour, C. Simon, R. Ghobadi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-04T04:36:29Z","title":"Optomechanical Entanglement in the Presence of Laser Phase Noise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0788","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":"sha256:338f020b38db409c02b1cb32dd741e560de08af4251bcdfe65a09bdc55572a4d","target":"record","created_at":"2026-05-18T02:01:42Z","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":"0cdc2dbd75cd7c64586ae06705cdd6a922f7421bb7a68644141c622a34eecadf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-06-04T04:36:29Z","title_canon_sha256":"8efb757638e51df000f78ee1eb1a0e13215bdb4a3b5b2c7b06fd255cd6c90103"},"schema_version":"1.0","source":{"id":"1106.0788","kind":"arxiv","version":2}},"canonical_sha256":"6e7fdeaa7c9293c2104554e1f539021833623019a6bcc2df0348ef0ba5dfcdff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e7fdeaa7c9293c2104554e1f539021833623019a6bcc2df0348ef0ba5dfcdff","first_computed_at":"2026-05-18T02:01:42.123554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:42.123554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Oouaoqy8GsgYg+s+mZ8Wb4veky/ZQaPfFh5gPTXGj9DWC+bM30W1ITVgaty7AUm1eRKHQt9ib9l8Jbgf0DO6DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:42.124217Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.0788","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:338f020b38db409c02b1cb32dd741e560de08af4251bcdfe65a09bdc55572a4d","sha256:d0f9fb0251abddd39306218a4e19495bd90f3110b83672ee6dac491a90a1bf00"],"state_sha256":"721c6742d55d6c481b69f1c6521b0e85c174c969798c60a3805e7f2fd480f8a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M1Lf0UX7vvRzblvE7BDgGkfCL+wmcBTXCwE2pDspGtkze1x6uyR9AqdG+gekCOZTtZ23FLLG9o4JWvRKWx1gBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:32:36.519277Z","bundle_sha256":"067b058e01eb0868f2dc683db3d8434aa180fcbadb93c6f03380267ec0b7ca11"}}