{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XT7N45JRAWLRNJ7IDAC3XIZKJW","short_pith_number":"pith:XT7N45JR","canonical_record":{"source":{"id":"2208.02371","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-08-03T22:39:49Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"333547353659a8bc488107ef9c5e82609552d2a09b6f948a2969f55b5a00d8ce","abstract_canon_sha256":"b4f728e722b40fdb0d12f55a29881f8e3499fcfb69fe6881502682db7415b792"},"schema_version":"1.0"},"canonical_sha256":"bcfede7531059716a7e81805bba32a4d8951e578e4365023c5b0aca523028a3e","source":{"kind":"arxiv","id":"2208.02371","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02371","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02371v2","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02371","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"XT7N45JRAWLR","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"XT7N45JRAWLRNJ7I","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"XT7N45JR","created_at":"2026-07-05T06:17:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XT7N45JRAWLRNJ7IDAC3XIZKJW","target":"record","payload":{"canonical_record":{"source":{"id":"2208.02371","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-08-03T22:39:49Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"333547353659a8bc488107ef9c5e82609552d2a09b6f948a2969f55b5a00d8ce","abstract_canon_sha256":"b4f728e722b40fdb0d12f55a29881f8e3499fcfb69fe6881502682db7415b792"},"schema_version":"1.0"},"canonical_sha256":"bcfede7531059716a7e81805bba32a4d8951e578e4365023c5b0aca523028a3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:17:38.589789Z","signature_b64":"xTuEImWl7zeIqjoxMtukQzBnKmBZCeM/JoZbdfdQeP8ey3xeFFP1RcEBHjSRSRLnD3PU72QdPH7Ji4uUW37nDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcfede7531059716a7e81805bba32a4d8951e578e4365023c5b0aca523028a3e","last_reissued_at":"2026-07-05T06:17:38.589365Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:17:38.589365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.02371","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":"2026-07-05T06:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d8R89SA+iPMADYSyIS3fOrT+Wz+Cqwn5ZPW1TSHTk3ePDEZUQM0bFAemdPLKScX5EdRCdlnS8ck+rzxs1upKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T17:40:16.096618Z"},"content_sha256":"a8c814a0b9e9918c83399ccca7ce2eb19aff2d3586e7f0a74eacd851414f0c31","schema_version":"1.0","event_id":"sha256:a8c814a0b9e9918c83399ccca7ce2eb19aff2d3586e7f0a74eacd851414f0c31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XT7N45JRAWLRNJ7IDAC3XIZKJW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear Sideband Cooling to a Cat State of Motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Bradley D Hauer, John D. Teufel, Joshua Combes","submitted_at":"2022-08-03T22:39:49Z","abstract_excerpt":"The ability to prepare a macroscopic mechanical resonator into a quantum superposition state is an outstanding goal of cavity optomechanics. Here, we propose a technique to generate cat states of motion using the intrinsic nonlinearity of a dispersive optomechanical interaction. By applying a bichromatic drive to an optomechanical cavity, our protocol enhances the inherent second-order processes of the system, inducing the requisite two-phonon dissipation. We show that this nonlinear sideband cooling technique can dissipatively engineer a mechanical resonator into a cat state, which we verify "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02371","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2208.02371/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUxRZXrW0eJLa1cXctoHePgP7Z3Grw62/+dGvS6AMi5UIcOciumuwkwDI93zAnarD1jPrwkrQj++ZULSyCciCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T17:40:16.097164Z"},"content_sha256":"6909a237c928416418ad6072ff66f0763e03ec3581589a1c65d196c25f87905d","schema_version":"1.0","event_id":"sha256:6909a237c928416418ad6072ff66f0763e03ec3581589a1c65d196c25f87905d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/bundle.json","state_url":"https://pith.science/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/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":"2026-08-10T17:40:16Z","links":{"resolver":"https://pith.science/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW","bundle":"https://pith.science/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/bundle.json","state":"https://pith.science/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XT7N45JRAWLRNJ7IDAC3XIZKJW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XT7N45JRAWLRNJ7IDAC3XIZKJW","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":"b4f728e722b40fdb0d12f55a29881f8e3499fcfb69fe6881502682db7415b792","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-08-03T22:39:49Z","title_canon_sha256":"333547353659a8bc488107ef9c5e82609552d2a09b6f948a2969f55b5a00d8ce"},"schema_version":"1.0","source":{"id":"2208.02371","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02371","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02371v2","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02371","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"XT7N45JRAWLR","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"XT7N45JRAWLRNJ7I","created_at":"2026-07-05T06:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"XT7N45JR","created_at":"2026-07-05T06:17:38Z"}],"graph_snapshots":[{"event_id":"sha256:6909a237c928416418ad6072ff66f0763e03ec3581589a1c65d196c25f87905d","target":"graph","created_at":"2026-07-05T06:17:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2208.02371/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ability to prepare a macroscopic mechanical resonator into a quantum superposition state is an outstanding goal of cavity optomechanics. Here, we propose a technique to generate cat states of motion using the intrinsic nonlinearity of a dispersive optomechanical interaction. By applying a bichromatic drive to an optomechanical cavity, our protocol enhances the inherent second-order processes of the system, inducing the requisite two-phonon dissipation. We show that this nonlinear sideband cooling technique can dissipatively engineer a mechanical resonator into a cat state, which we verify ","authors_text":"Bradley D Hauer, John D. Teufel, Joshua Combes","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-08-03T22:39:49Z","title":"Nonlinear Sideband Cooling to a Cat State of Motion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02371","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:a8c814a0b9e9918c83399ccca7ce2eb19aff2d3586e7f0a74eacd851414f0c31","target":"record","created_at":"2026-07-05T06:17:38Z","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":"b4f728e722b40fdb0d12f55a29881f8e3499fcfb69fe6881502682db7415b792","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-08-03T22:39:49Z","title_canon_sha256":"333547353659a8bc488107ef9c5e82609552d2a09b6f948a2969f55b5a00d8ce"},"schema_version":"1.0","source":{"id":"2208.02371","kind":"arxiv","version":2}},"canonical_sha256":"bcfede7531059716a7e81805bba32a4d8951e578e4365023c5b0aca523028a3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcfede7531059716a7e81805bba32a4d8951e578e4365023c5b0aca523028a3e","first_computed_at":"2026-07-05T06:17:38.589365Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:17:38.589365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xTuEImWl7zeIqjoxMtukQzBnKmBZCeM/JoZbdfdQeP8ey3xeFFP1RcEBHjSRSRLnD3PU72QdPH7Ji4uUW37nDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:17:38.589789Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.02371","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8c814a0b9e9918c83399ccca7ce2eb19aff2d3586e7f0a74eacd851414f0c31","sha256:6909a237c928416418ad6072ff66f0763e03ec3581589a1c65d196c25f87905d"],"state_sha256":"e6488f8bc345ed20cc5d94cfa8910566990e2c76b03b0087885b377ac31e8c0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dn3lOo4nuZ1nr/dRBQini2X8EbU8ApRQBuxy/xO53LV6jCh/TT1R1fbNPmS9AQ5u7CGj4+ykuS+/YG7YO6BHCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T17:40:16.103074Z","bundle_sha256":"50639af55f0c4fa56d9eb295b3afbf77c810aca9e67492c932c9d557e1145676"}}