{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GHKSTPXDAGXOE3VKQA2FOVZLFO","short_pith_number":"pith:GHKSTPXD","canonical_record":{"source":{"id":"1808.03003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-09T02:56:58Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"49f0b224bb6bf60e1007935b2b9c2f35613b382229ae3b87ae9413fd46daef66","abstract_canon_sha256":"ed91f785ce23fd470b25a460171a83b0bf04913bc98c2e9b5b100733607378cd"},"schema_version":"1.0"},"canonical_sha256":"31d529bee301aee26eaa803457572b2bba3ebaff2e81bbefbedb17f506aa4644","source":{"kind":"arxiv","id":"1808.03003","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03003","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03003v1","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03003","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"GHKSTPXDAGXO","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GHKSTPXDAGXOE3VK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GHKSTPXD","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GHKSTPXDAGXOE3VKQA2FOVZLFO","target":"record","payload":{"canonical_record":{"source":{"id":"1808.03003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-09T02:56:58Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"49f0b224bb6bf60e1007935b2b9c2f35613b382229ae3b87ae9413fd46daef66","abstract_canon_sha256":"ed91f785ce23fd470b25a460171a83b0bf04913bc98c2e9b5b100733607378cd"},"schema_version":"1.0"},"canonical_sha256":"31d529bee301aee26eaa803457572b2bba3ebaff2e81bbefbedb17f506aa4644","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:41.320764Z","signature_b64":"bWrCa6InmCrpiBkVFY3TgPrvL2sfhbnQ/DJ7liZgy3z0To07I7OQdO7UWnqTfzyP/MFeGWSSYNiUm7kG5/UFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31d529bee301aee26eaa803457572b2bba3ebaff2e81bbefbedb17f506aa4644","last_reissued_at":"2026-05-17T23:52:41.320105Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:41.320105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.03003","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":"2026-05-17T23:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Xw9mPqSeZSZYiqNHPsWGfeSxg+2Kaj4sc45faj0na7PdZ/4bn5uH1P1m/+tHptrS0litM3lqnpK/Ctyp5XyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:29:49.908522Z"},"content_sha256":"298cebd87d90e8f91f90f8ea8de86f6c2d29b96cfd161993b69f90b86407c8be","schema_version":"1.0","event_id":"sha256:298cebd87d90e8f91f90f8ea8de86f6c2d29b96cfd161993b69f90b86407c8be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GHKSTPXDAGXOE3VKQA2FOVZLFO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On-Demand Generation of Traveling Cat States Using a Parametric Oscillator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Hayato Goto, Tsuyoshi Yamamoto, Yasunobu Nakamura, Zhirong Lin","submitted_at":"2018-08-09T02:56:58Z","abstract_excerpt":"We theoretically propose a method for on-demand generation of traveling Schr\\\"odinger cat states, namely, quantum superpositions of distinct coherent states of traveling fields. This method is based on deterministic generation of intracavity cat states using a Kerr-nonlinear parametric oscillator (KPO) via quantum adiabatic evolution. We show that the cat states generated inside a KPO can be released into an output mode by controlling the parametric pump amplitude dynamically. We further show that the quality of the traveling cat states can be improved by using a shortcut-to-adiabaticity techn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03003","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":"2026-05-17T23:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r7faygwHzF5l+M8sJBLr0sY4D+AKvApDDfVkiha613VYIp3mlyr2MpiRUXewsTfeIvWBkT3rz1HS0KxN61mEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:29:49.908864Z"},"content_sha256":"a351ce91b911481523e822a444b7817dc701666698ce07709598fe3bd8290953","schema_version":"1.0","event_id":"sha256:a351ce91b911481523e822a444b7817dc701666698ce07709598fe3bd8290953"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/bundle.json","state_url":"https://pith.science/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/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":"2026-06-01T12:29:49Z","links":{"resolver":"https://pith.science/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO","bundle":"https://pith.science/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/bundle.json","state":"https://pith.science/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GHKSTPXDAGXOE3VKQA2FOVZLFO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GHKSTPXDAGXOE3VKQA2FOVZLFO","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":"ed91f785ce23fd470b25a460171a83b0bf04913bc98c2e9b5b100733607378cd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-09T02:56:58Z","title_canon_sha256":"49f0b224bb6bf60e1007935b2b9c2f35613b382229ae3b87ae9413fd46daef66"},"schema_version":"1.0","source":{"id":"1808.03003","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03003","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03003v1","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03003","created_at":"2026-05-17T23:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"GHKSTPXDAGXO","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GHKSTPXDAGXOE3VK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GHKSTPXD","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:a351ce91b911481523e822a444b7817dc701666698ce07709598fe3bd8290953","target":"graph","created_at":"2026-05-17T23:52:41Z","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 theoretically propose a method for on-demand generation of traveling Schr\\\"odinger cat states, namely, quantum superpositions of distinct coherent states of traveling fields. This method is based on deterministic generation of intracavity cat states using a Kerr-nonlinear parametric oscillator (KPO) via quantum adiabatic evolution. We show that the cat states generated inside a KPO can be released into an output mode by controlling the parametric pump amplitude dynamically. We further show that the quality of the traveling cat states can be improved by using a shortcut-to-adiabaticity techn","authors_text":"Hayato Goto, Tsuyoshi Yamamoto, Yasunobu Nakamura, Zhirong Lin","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-09T02:56:58Z","title":"On-Demand Generation of Traveling Cat States Using a Parametric Oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03003","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":"sha256:298cebd87d90e8f91f90f8ea8de86f6c2d29b96cfd161993b69f90b86407c8be","target":"record","created_at":"2026-05-17T23:52:41Z","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":"ed91f785ce23fd470b25a460171a83b0bf04913bc98c2e9b5b100733607378cd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-08-09T02:56:58Z","title_canon_sha256":"49f0b224bb6bf60e1007935b2b9c2f35613b382229ae3b87ae9413fd46daef66"},"schema_version":"1.0","source":{"id":"1808.03003","kind":"arxiv","version":1}},"canonical_sha256":"31d529bee301aee26eaa803457572b2bba3ebaff2e81bbefbedb17f506aa4644","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31d529bee301aee26eaa803457572b2bba3ebaff2e81bbefbedb17f506aa4644","first_computed_at":"2026-05-17T23:52:41.320105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:41.320105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bWrCa6InmCrpiBkVFY3TgPrvL2sfhbnQ/DJ7liZgy3z0To07I7OQdO7UWnqTfzyP/MFeGWSSYNiUm7kG5/UFAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:41.320764Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.03003","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:298cebd87d90e8f91f90f8ea8de86f6c2d29b96cfd161993b69f90b86407c8be","sha256:a351ce91b911481523e822a444b7817dc701666698ce07709598fe3bd8290953"],"state_sha256":"fd1d77ed88c35b43ad622e6174eff904e0be8adfe08270c824cc9bc66792da30"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8lRM2dufjcLqASE6M96WL478Rt/OPCCdxmuwiqANIlRT/oeVerAgXKyYvtXltNH6CbVNCCwGIY4OLjOk6fDcDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:29:49.911008Z","bundle_sha256":"f82b3c3570bdd4b4c4c8212a17a03fc0542ec1ce3401910eab526659571cfda2"}}