{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5UD5QWOLC3IEZAPH2UGYIUZ2AE","short_pith_number":"pith:5UD5QWOL","canonical_record":{"source":{"id":"1710.10494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-10-28T16:52:40Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6dbfdf41b7e393a1f68f025605326ce93f7458bf7fcdb9d21d5c58e08f1bc735","abstract_canon_sha256":"1f61f91441e49cee4fda701d26cb3c626cb98f3a5a26d7b79691406e5ebbab2e"},"schema_version":"1.0"},"canonical_sha256":"ed07d859cb16d04c81e7d50d84533a01340e1daf110eaf990f026f5d70a4d4cf","source":{"kind":"arxiv","id":"1710.10494","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10494","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10494v2","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10494","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"5UD5QWOLC3IE","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5UD5QWOLC3IEZAPH","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5UD5QWOL","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5UD5QWOLC3IEZAPH2UGYIUZ2AE","target":"record","payload":{"canonical_record":{"source":{"id":"1710.10494","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-10-28T16:52:40Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6dbfdf41b7e393a1f68f025605326ce93f7458bf7fcdb9d21d5c58e08f1bc735","abstract_canon_sha256":"1f61f91441e49cee4fda701d26cb3c626cb98f3a5a26d7b79691406e5ebbab2e"},"schema_version":"1.0"},"canonical_sha256":"ed07d859cb16d04c81e7d50d84533a01340e1daf110eaf990f026f5d70a4d4cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:15.759430Z","signature_b64":"l0NpKcUJUSD1jKneTtCTJr3c1eGCh1DRRA9qL28YLJwTbvhMnO9vH+G+14spaRXQK+cUtsAGjQE2UVMiNDuaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed07d859cb16d04c81e7d50d84533a01340e1daf110eaf990f026f5d70a4d4cf","last_reissued_at":"2026-05-18T00:18:15.758939Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:15.758939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.10494","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":"2026-05-18T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"25aH3K39UFb7iDYfFjK+lC0cR8vBho7V+NAgugu95KHUQnOd6aeiy1okGnCJPXGQhgTVPJ8Rdh9GN/Wehq3MAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:17:54.287199Z"},"content_sha256":"2a1d30e2b3ff1c19de7085b641345a91dfca1d08e48edce3f279a262e78ca98e","schema_version":"1.0","event_id":"sha256:2a1d30e2b3ff1c19de7085b641345a91dfca1d08e48edce3f279a262e78ca98e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5UD5QWOLC3IEZAPH2UGYIUZ2AE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Steady-state mechanical squeezing and ground-state cooling of a Duffing anharmonic oscillator in an optomechanical cavity assisted by a nonlinear medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"F. Momeni, M. H. Naderi","submitted_at":"2017-10-28T16:52:40Z","abstract_excerpt":"In this paper, we study theoretically a hybrid optomechanical system consisting of a degenerate optical parametric amplifier inside a driven optical cavity with a moving end mirror which is modeled as a stiffening Duffing-like anharmonic quantum mechanical oscillator. By providing analytical expressions for the critical values of the system parameters corresponding to the emergence of the multistability behavior in the steady-state response of the system, we show that the stiffening mechanical Duffing anharmonicity reduces the width of the multistability region while the optical parametric non"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10494","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":"2026-05-18T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FeBc+AeyYfAseNHrJqtRxLUqUyfjiC5v/D9Km1DAkxWbslGV6ja3DzcNOJV+ItC2Olt2oXOz+TFrZm/Cuhi9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:17:54.287591Z"},"content_sha256":"da06ce820b3c85534b8fb696f5b52994b62b86e3fe74512f4f4be0903fe87d39","schema_version":"1.0","event_id":"sha256:da06ce820b3c85534b8fb696f5b52994b62b86e3fe74512f4f4be0903fe87d39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/bundle.json","state_url":"https://pith.science/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/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":"2026-06-22T23:17:54Z","links":{"resolver":"https://pith.science/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE","bundle":"https://pith.science/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/bundle.json","state":"https://pith.science/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5UD5QWOLC3IEZAPH2UGYIUZ2AE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5UD5QWOLC3IEZAPH2UGYIUZ2AE","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":"1f61f91441e49cee4fda701d26cb3c626cb98f3a5a26d7b79691406e5ebbab2e","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-10-28T16:52:40Z","title_canon_sha256":"6dbfdf41b7e393a1f68f025605326ce93f7458bf7fcdb9d21d5c58e08f1bc735"},"schema_version":"1.0","source":{"id":"1710.10494","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10494","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10494v2","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10494","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"5UD5QWOLC3IE","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5UD5QWOLC3IEZAPH","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5UD5QWOL","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:da06ce820b3c85534b8fb696f5b52994b62b86e3fe74512f4f4be0903fe87d39","target":"graph","created_at":"2026-05-18T00:18:15Z","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":"In this paper, we study theoretically a hybrid optomechanical system consisting of a degenerate optical parametric amplifier inside a driven optical cavity with a moving end mirror which is modeled as a stiffening Duffing-like anharmonic quantum mechanical oscillator. By providing analytical expressions for the critical values of the system parameters corresponding to the emergence of the multistability behavior in the steady-state response of the system, we show that the stiffening mechanical Duffing anharmonicity reduces the width of the multistability region while the optical parametric non","authors_text":"F. Momeni, M. H. Naderi","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-10-28T16:52:40Z","title":"Steady-state mechanical squeezing and ground-state cooling of a Duffing anharmonic oscillator in an optomechanical cavity assisted by a nonlinear medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10494","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":"sha256:2a1d30e2b3ff1c19de7085b641345a91dfca1d08e48edce3f279a262e78ca98e","target":"record","created_at":"2026-05-18T00:18:15Z","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":"1f61f91441e49cee4fda701d26cb3c626cb98f3a5a26d7b79691406e5ebbab2e","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-10-28T16:52:40Z","title_canon_sha256":"6dbfdf41b7e393a1f68f025605326ce93f7458bf7fcdb9d21d5c58e08f1bc735"},"schema_version":"1.0","source":{"id":"1710.10494","kind":"arxiv","version":2}},"canonical_sha256":"ed07d859cb16d04c81e7d50d84533a01340e1daf110eaf990f026f5d70a4d4cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed07d859cb16d04c81e7d50d84533a01340e1daf110eaf990f026f5d70a4d4cf","first_computed_at":"2026-05-18T00:18:15.758939Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:15.758939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l0NpKcUJUSD1jKneTtCTJr3c1eGCh1DRRA9qL28YLJwTbvhMnO9vH+G+14spaRXQK+cUtsAGjQE2UVMiNDuaDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:15.759430Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.10494","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a1d30e2b3ff1c19de7085b641345a91dfca1d08e48edce3f279a262e78ca98e","sha256:da06ce820b3c85534b8fb696f5b52994b62b86e3fe74512f4f4be0903fe87d39"],"state_sha256":"12d3b4e996de5824487876c7d0b9d0d5eb59ca32edc9e4ad61fd5256a90a66fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1aHfEq0/PMz8dqkpv1wItAS6kRUZzXTw+OAt6lkfg8LPzAHhiZ2YvYxv4jF1xl2PsnvaqjJ8DOWP6pDMaxhKDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T23:17:54.289394Z","bundle_sha256":"cac261e73cf7c3a266d9f8081f45587420f3436f58f7459500d6e462edee6403"}}