{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NPF6SSUEXTF5SZZUVYILG2ELCK","short_pith_number":"pith:NPF6SSUE","canonical_record":{"source":{"id":"1210.1783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-05T15:21:01Z","cross_cats_sorted":[],"title_canon_sha256":"f2d5dd7f80bf810159079974b99065f5f4b04fa94b6c71eaa7c388a388ea97c5","abstract_canon_sha256":"acac66655acee174079a8c82b3c34e6d79e9eb7064bf58a94e34f7d853ad289b"},"schema_version":"1.0"},"canonical_sha256":"6bcbe94a84bccbd96734ae10b3688b12b7d8d5de0ba27a24b82b9d360faf2fdf","source":{"kind":"arxiv","id":"1210.1783","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1783","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1783v1","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1783","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"pith_short_12","alias_value":"NPF6SSUEXTF5","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NPF6SSUEXTF5SZZU","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NPF6SSUE","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NPF6SSUEXTF5SZZUVYILG2ELCK","target":"record","payload":{"canonical_record":{"source":{"id":"1210.1783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-05T15:21:01Z","cross_cats_sorted":[],"title_canon_sha256":"f2d5dd7f80bf810159079974b99065f5f4b04fa94b6c71eaa7c388a388ea97c5","abstract_canon_sha256":"acac66655acee174079a8c82b3c34e6d79e9eb7064bf58a94e34f7d853ad289b"},"schema_version":"1.0"},"canonical_sha256":"6bcbe94a84bccbd96734ae10b3688b12b7d8d5de0ba27a24b82b9d360faf2fdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:25.654290Z","signature_b64":"fo0Wip3Hzy0YprpLrcMcmSpQemhRVR4wgrGDY5DOOjipd5cVm2jKLUu41vJ5D/gyTjKgE3Pw4sVKcfVW9C4jAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bcbe94a84bccbd96734ae10b3688b12b7d8d5de0ba27a24b82b9d360faf2fdf","last_reissued_at":"2026-05-18T03:33:25.653723Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:25.653723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.1783","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":"2026-05-18T03:33:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2qZJwymxZCvoAfegcMaf9w8Z6xf7/G1z2R/0RrKuayb1H6SfBq+QB8KVHrpe6wDir5E8MCj5w3pl6t8JPMPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:00:14.925157Z"},"content_sha256":"966356a984b4b71e2002c5cb012f2da18c4d316e87662b447d9ad166e4a573f6","schema_version":"1.0","event_id":"sha256:966356a984b4b71e2002c5cb012f2da18c4d316e87662b447d9ad166e4a573f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NPF6SSUEXTF5SZZUVYILG2ELCK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient simulation scheme for a class of quantum optics experiments with non-negative Wigner representation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christopher Ferrie, Joseph Emerson, Nathan Wiebe, Victor Veitch","submitted_at":"2012-10-05T15:21:01Z","abstract_excerpt":"We provide a scheme for efficient simulation of a broad class of quantum optics experiments. Our efficient simulation extends the continuous variable Gottesman-Knill theorem to a large class of non-Gaussian mixed states, thereby identifying that these non-Gaussian states are not an enabling resource for exponential quantum speed-up. Our results also provide an operationally motivated interpretation of negativity as non-classicality. We apply our scheme to the case of noisy single-photon-added-thermal-states to show that this class admits states with positive Wigner function but negative P -fun"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1783","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":"2026-05-18T03:33:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"szJVLIlwhaXOsyrUYWCAB+PX1vchDxV5Reep4uXKzKx4ICoCWzhgO23pI3kY/x2mtsopePyx0deBBFtOOkDOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:00:14.925751Z"},"content_sha256":"2b924bce37930f097fe48d59a231fd56d1b0ea57d3993b545a7f204f306eae33","schema_version":"1.0","event_id":"sha256:2b924bce37930f097fe48d59a231fd56d1b0ea57d3993b545a7f204f306eae33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/bundle.json","state_url":"https://pith.science/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/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":"2026-05-26T11:00:14Z","links":{"resolver":"https://pith.science/pith/NPF6SSUEXTF5SZZUVYILG2ELCK","bundle":"https://pith.science/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/bundle.json","state":"https://pith.science/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NPF6SSUEXTF5SZZUVYILG2ELCK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NPF6SSUEXTF5SZZUVYILG2ELCK","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":"acac66655acee174079a8c82b3c34e6d79e9eb7064bf58a94e34f7d853ad289b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-05T15:21:01Z","title_canon_sha256":"f2d5dd7f80bf810159079974b99065f5f4b04fa94b6c71eaa7c388a388ea97c5"},"schema_version":"1.0","source":{"id":"1210.1783","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1783","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1783v1","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1783","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"pith_short_12","alias_value":"NPF6SSUEXTF5","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NPF6SSUEXTF5SZZU","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NPF6SSUE","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:2b924bce37930f097fe48d59a231fd56d1b0ea57d3993b545a7f204f306eae33","target":"graph","created_at":"2026-05-18T03:33:25Z","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 provide a scheme for efficient simulation of a broad class of quantum optics experiments. Our efficient simulation extends the continuous variable Gottesman-Knill theorem to a large class of non-Gaussian mixed states, thereby identifying that these non-Gaussian states are not an enabling resource for exponential quantum speed-up. Our results also provide an operationally motivated interpretation of negativity as non-classicality. We apply our scheme to the case of noisy single-photon-added-thermal-states to show that this class admits states with positive Wigner function but negative P -fun","authors_text":"Christopher Ferrie, Joseph Emerson, Nathan Wiebe, Victor Veitch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-05T15:21:01Z","title":"Efficient simulation scheme for a class of quantum optics experiments with non-negative Wigner representation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1783","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":"sha256:966356a984b4b71e2002c5cb012f2da18c4d316e87662b447d9ad166e4a573f6","target":"record","created_at":"2026-05-18T03:33:25Z","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":"acac66655acee174079a8c82b3c34e6d79e9eb7064bf58a94e34f7d853ad289b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-10-05T15:21:01Z","title_canon_sha256":"f2d5dd7f80bf810159079974b99065f5f4b04fa94b6c71eaa7c388a388ea97c5"},"schema_version":"1.0","source":{"id":"1210.1783","kind":"arxiv","version":1}},"canonical_sha256":"6bcbe94a84bccbd96734ae10b3688b12b7d8d5de0ba27a24b82b9d360faf2fdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6bcbe94a84bccbd96734ae10b3688b12b7d8d5de0ba27a24b82b9d360faf2fdf","first_computed_at":"2026-05-18T03:33:25.653723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:25.653723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fo0Wip3Hzy0YprpLrcMcmSpQemhRVR4wgrGDY5DOOjipd5cVm2jKLUu41vJ5D/gyTjKgE3Pw4sVKcfVW9C4jAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:25.654290Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.1783","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:966356a984b4b71e2002c5cb012f2da18c4d316e87662b447d9ad166e4a573f6","sha256:2b924bce37930f097fe48d59a231fd56d1b0ea57d3993b545a7f204f306eae33"],"state_sha256":"f377797ae8651136edb60006a1878a49d23d606058982f766d7b8f7f9ef7c43c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hU5x/qkcYMdihNduV8lm7u+TP40rWTVNypZZlVLyc9yhHgvV1aeqNTE9BTAJ9z4EUQ1HFzhiYUhej6aLlvPfCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:00:14.929161Z","bundle_sha256":"f872fe1c7f14fae9fcae33ed09b6655705f52a3ffc5189a6938dd978f737c59a"}}