{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:7HW54INWCAHWIFMI5XUUHEXYSX","short_pith_number":"pith:7HW54INW","canonical_record":{"source":{"id":"cond-mat/0607055","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-07-03T17:47:14Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"bf136135fad3b712e11851611f27b93a007cd8194fd1b7855700281a08d9c13e","abstract_canon_sha256":"2f516c0b52af8beb1b0fa186d739d16db51da2b1e933a3552e5125c815fbdbed"},"schema_version":"1.0"},"canonical_sha256":"f9edde21b6100f641588ede94392f895f3d7bb41ed246b702cbf4c5fb3af2bce","source":{"kind":"arxiv","id":"cond-mat/0607055","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607055","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607055v3","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607055","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"7HW54INWCAHW","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"7HW54INWCAHWIFMI","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"7HW54INW","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:7HW54INWCAHWIFMI5XUUHEXYSX","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0607055","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-07-03T17:47:14Z","cross_cats_sorted":["nlin.SI"],"title_canon_sha256":"bf136135fad3b712e11851611f27b93a007cd8194fd1b7855700281a08d9c13e","abstract_canon_sha256":"2f516c0b52af8beb1b0fa186d739d16db51da2b1e933a3552e5125c815fbdbed"},"schema_version":"1.0"},"canonical_sha256":"f9edde21b6100f641588ede94392f895f3d7bb41ed246b702cbf4c5fb3af2bce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:31.407143Z","signature_b64":"ow778KgyxJn5LvFFNaUWgQ/6YiggWjFjUbFJcJUii3AuCNHxiCOwTByGNhlfJPPjUxMHZSWwHTdUdS5nn8C0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9edde21b6100f641588ede94392f895f3d7bb41ed246b702cbf4c5fb3af2bce","last_reissued_at":"2026-05-18T03:24:31.406650Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:31.406650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0607055","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y9s8BRtJtaWvx+pUv+paT4P2hj7N9YGGlKZCsZK3WYxSmeiOXGCwYKIdFxPyKV/DlJQlUYv27S1HsWAIVjW6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:38:42.226588Z"},"content_sha256":"4d341e5d5e1a17ce38a5758183330901daafc964842e63479c0aff023ec82b99","schema_version":"1.0","event_id":"sha256:4d341e5d5e1a17ce38a5758183330901daafc964842e63479c0aff023ec82b99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:7HW54INWCAHWIFMI5XUUHEXYSX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Noise Squeezing in a Nanomechanical Duffing Resonator","license":"","headline":"","cross_cats":["nlin.SI"],"primary_cat":"cond-mat.other","authors_text":"E. Buks, O. Shtempluck, R. Almog, S. Zaitsev","submitted_at":"2006-07-03T17:47:14Z","abstract_excerpt":"We study mechanical amplification and noise squeezing in a nonlinear nanomechanical resonator driven by an intense pump near its dynamical bifurcation point, namely, the onset of Duffing bistability. Phase sensitive amplification is achieved by a homodyne detection scheme, where the displacement detector's output, which has correlated spectrum around the pump frequency, is down converted by mixing with a local oscillator operating at the pump frequency with an adjustable phase. The down converted signal at the mixer's output could be either amplified or deamplified, yielding noise squeezing, d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607055","kind":"arxiv","version":3},"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":"2026-05-18T03:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBgAVQxWzadFTWMMIuitOLm8BL7zYe6LlyhTFgTEKmMk1B9/bhGhHBDTjKI/uQTmaozRL5KEDXEACH+OpMNCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:38:42.227018Z"},"content_sha256":"b06a0142d7efe852b6a9f92116c91601c8b5be8978ba388eb2711de269ab5536","schema_version":"1.0","event_id":"sha256:b06a0142d7efe852b6a9f92116c91601c8b5be8978ba388eb2711de269ab5536"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7HW54INWCAHWIFMI5XUUHEXYSX/bundle.json","state_url":"https://pith.science/pith/7HW54INWCAHWIFMI5XUUHEXYSX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7HW54INWCAHWIFMI5XUUHEXYSX/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":"2026-06-04T19:38:42Z","links":{"resolver":"https://pith.science/pith/7HW54INWCAHWIFMI5XUUHEXYSX","bundle":"https://pith.science/pith/7HW54INWCAHWIFMI5XUUHEXYSX/bundle.json","state":"https://pith.science/pith/7HW54INWCAHWIFMI5XUUHEXYSX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7HW54INWCAHWIFMI5XUUHEXYSX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:7HW54INWCAHWIFMI5XUUHEXYSX","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":"2f516c0b52af8beb1b0fa186d739d16db51da2b1e933a3552e5125c815fbdbed","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-07-03T17:47:14Z","title_canon_sha256":"bf136135fad3b712e11851611f27b93a007cd8194fd1b7855700281a08d9c13e"},"schema_version":"1.0","source":{"id":"cond-mat/0607055","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607055","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607055v3","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607055","created_at":"2026-05-18T03:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"7HW54INWCAHW","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"7HW54INWCAHWIFMI","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"7HW54INW","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:b06a0142d7efe852b6a9f92116c91601c8b5be8978ba388eb2711de269ab5536","target":"graph","created_at":"2026-05-18T03:24:31Z","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 mechanical amplification and noise squeezing in a nonlinear nanomechanical resonator driven by an intense pump near its dynamical bifurcation point, namely, the onset of Duffing bistability. Phase sensitive amplification is achieved by a homodyne detection scheme, where the displacement detector's output, which has correlated spectrum around the pump frequency, is down converted by mixing with a local oscillator operating at the pump frequency with an adjustable phase. The down converted signal at the mixer's output could be either amplified or deamplified, yielding noise squeezing, d","authors_text":"E. Buks, O. Shtempluck, R. Almog, S. Zaitsev","cross_cats":["nlin.SI"],"headline":"","license":"","primary_cat":"cond-mat.other","submitted_at":"2006-07-03T17:47:14Z","title":"Noise Squeezing in a Nanomechanical Duffing Resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607055","kind":"arxiv","version":3},"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":"sha256:4d341e5d5e1a17ce38a5758183330901daafc964842e63479c0aff023ec82b99","target":"record","created_at":"2026-05-18T03:24:31Z","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":"2f516c0b52af8beb1b0fa186d739d16db51da2b1e933a3552e5125c815fbdbed","cross_cats_sorted":["nlin.SI"],"license":"","primary_cat":"cond-mat.other","submitted_at":"2006-07-03T17:47:14Z","title_canon_sha256":"bf136135fad3b712e11851611f27b93a007cd8194fd1b7855700281a08d9c13e"},"schema_version":"1.0","source":{"id":"cond-mat/0607055","kind":"arxiv","version":3}},"canonical_sha256":"f9edde21b6100f641588ede94392f895f3d7bb41ed246b702cbf4c5fb3af2bce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9edde21b6100f641588ede94392f895f3d7bb41ed246b702cbf4c5fb3af2bce","first_computed_at":"2026-05-18T03:24:31.406650Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:31.406650Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ow778KgyxJn5LvFFNaUWgQ/6YiggWjFjUbFJcJUii3AuCNHxiCOwTByGNhlfJPPjUxMHZSWwHTdUdS5nn8C0Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:31.407143Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0607055","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d341e5d5e1a17ce38a5758183330901daafc964842e63479c0aff023ec82b99","sha256:b06a0142d7efe852b6a9f92116c91601c8b5be8978ba388eb2711de269ab5536"],"state_sha256":"01a898979287efccf7235ff36740d5e74269985113939bda1d4e1e6b2426b4b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BzMEvc7JGClQkxNbboPMHUOJTYU/arGYsL1yPhDLxccaSOKovv3gbQlTdITnPFS6k8U1+gElMzR42I0vbyWXBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:38:42.229491Z","bundle_sha256":"b1899ad3a12ac50f84e9726a8c7ce91e9885f23c4670da628bba39ae89505e9a"}}