{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R7IPT55IDRVCU7XNSILH3RIV6U","short_pith_number":"pith:R7IPT55I","canonical_record":{"source":{"id":"1811.06589","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-15T20:58:05Z","cross_cats_sorted":[],"title_canon_sha256":"96fc4cec61114c499351e2ce49bf55ebdaa5905cebc79096581af504acb638f7","abstract_canon_sha256":"8afc9e9c8a509131e38cf93c2f4548dc484f68cfc12ef42a7efa14bdfe631949"},"schema_version":"1.0"},"canonical_sha256":"8fd0f9f7a81c6a2a7eed92167dc515f5196d52af30544cfcec335af4ce4f8efb","source":{"kind":"arxiv","id":"1811.06589","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06589","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06589v2","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06589","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_12","alias_value":"R7IPT55IDRVC","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_16","alias_value":"R7IPT55IDRVCU7XN","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_8","alias_value":"R7IPT55I","created_at":"2026-07-05T00:21:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R7IPT55IDRVCU7XNSILH3RIV6U","target":"record","payload":{"canonical_record":{"source":{"id":"1811.06589","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-15T20:58:05Z","cross_cats_sorted":[],"title_canon_sha256":"96fc4cec61114c499351e2ce49bf55ebdaa5905cebc79096581af504acb638f7","abstract_canon_sha256":"8afc9e9c8a509131e38cf93c2f4548dc484f68cfc12ef42a7efa14bdfe631949"},"schema_version":"1.0"},"canonical_sha256":"8fd0f9f7a81c6a2a7eed92167dc515f5196d52af30544cfcec335af4ce4f8efb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:21:47.723640Z","signature_b64":"zIKVroPBTlAhyE0J/nIt/5du3rDgS2cJe9HU/yAzN0+A5w4WHz09ELJTK/n/1bXETSNlFbcYBoiFdaZTwQXYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fd0f9f7a81c6a2a7eed92167dc515f5196d52af30544cfcec335af4ce4f8efb","last_reissued_at":"2026-07-05T00:21:47.723117Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:21:47.723117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.06589","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":"2026-07-05T00:21:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"taz0wzAkjmyNC30dgpWFE2+Oh+2Hy73w0eJP+hGQuP1mnyXirrgyjFYCIXc9mpfDzLTt8I3ixLdpWErVhUwmAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:08:58.048719Z"},"content_sha256":"10f189144962fcd89feec8ce1cba1ece15ca697b464fc45a455f51283bec8b5f","schema_version":"1.0","event_id":"sha256:10f189144962fcd89feec8ce1cba1ece15ca697b464fc45a455f51283bec8b5f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R7IPT55IDRVCU7XNSILH3RIV6U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental implementation of a Raman-assisted six-quanta process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Grimm, J. Venkatraman, K. Sliwa, M.H. Devoret, M. Mirrahimi, N.E. Frattini, P. Reinhold, S.O. Mundhada, S. Shankar, S. Touzard, V.V. Sivak, Z.K. Minev","submitted_at":"2018-11-15T20:58:05Z","abstract_excerpt":"Nonlinear processes in the quantum regime are essential for many applications, such as quantum-limited amplification, measurement and control of quantum systems. In particular, the field of quantum error correction relies heavily on high-order nonlinear interactions between various modes of a quantum system. However, the required order of nonlinearity is often not directly available or weak compared to dissipation present in the system. Here, we experimentally demonstrate a route to obtain higher-order nonlinearity by combining more easily available lower-order nonlinear processes, using a gen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06589","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/1811.06589/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":"2026-07-05T00:21:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2eFEdHJ5wCkQ0SWPHzdelDHggAj5ZBigOmz81sfToeOre/uSkT6HxvZS5xXYrflAWZ4BzngGsCC6kSzpH/VCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T00:08:58.049216Z"},"content_sha256":"6d8d5ace48bae53692d54cbf9ba981025cc32eed05676ca6d9dea5c735e16533","schema_version":"1.0","event_id":"sha256:6d8d5ace48bae53692d54cbf9ba981025cc32eed05676ca6d9dea5c735e16533"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R7IPT55IDRVCU7XNSILH3RIV6U/bundle.json","state_url":"https://pith.science/pith/R7IPT55IDRVCU7XNSILH3RIV6U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R7IPT55IDRVCU7XNSILH3RIV6U/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":"2026-08-14T00:08:58Z","links":{"resolver":"https://pith.science/pith/R7IPT55IDRVCU7XNSILH3RIV6U","bundle":"https://pith.science/pith/R7IPT55IDRVCU7XNSILH3RIV6U/bundle.json","state":"https://pith.science/pith/R7IPT55IDRVCU7XNSILH3RIV6U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R7IPT55IDRVCU7XNSILH3RIV6U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R7IPT55IDRVCU7XNSILH3RIV6U","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":"8afc9e9c8a509131e38cf93c2f4548dc484f68cfc12ef42a7efa14bdfe631949","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-15T20:58:05Z","title_canon_sha256":"96fc4cec61114c499351e2ce49bf55ebdaa5905cebc79096581af504acb638f7"},"schema_version":"1.0","source":{"id":"1811.06589","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.06589","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"arxiv_version","alias_value":"1811.06589v2","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.06589","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_12","alias_value":"R7IPT55IDRVC","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_16","alias_value":"R7IPT55IDRVCU7XN","created_at":"2026-07-05T00:21:47Z"},{"alias_kind":"pith_short_8","alias_value":"R7IPT55I","created_at":"2026-07-05T00:21:47Z"}],"graph_snapshots":[{"event_id":"sha256:6d8d5ace48bae53692d54cbf9ba981025cc32eed05676ca6d9dea5c735e16533","target":"graph","created_at":"2026-07-05T00:21:47Z","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/1811.06589/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nonlinear processes in the quantum regime are essential for many applications, such as quantum-limited amplification, measurement and control of quantum systems. In particular, the field of quantum error correction relies heavily on high-order nonlinear interactions between various modes of a quantum system. However, the required order of nonlinearity is often not directly available or weak compared to dissipation present in the system. Here, we experimentally demonstrate a route to obtain higher-order nonlinearity by combining more easily available lower-order nonlinear processes, using a gen","authors_text":"A. Grimm, J. Venkatraman, K. Sliwa, M.H. Devoret, M. Mirrahimi, N.E. Frattini, P. Reinhold, S.O. Mundhada, S. Shankar, S. Touzard, V.V. Sivak, Z.K. Minev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-15T20:58:05Z","title":"Experimental implementation of a Raman-assisted six-quanta process"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.06589","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":"sha256:10f189144962fcd89feec8ce1cba1ece15ca697b464fc45a455f51283bec8b5f","target":"record","created_at":"2026-07-05T00:21:47Z","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":"8afc9e9c8a509131e38cf93c2f4548dc484f68cfc12ef42a7efa14bdfe631949","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-15T20:58:05Z","title_canon_sha256":"96fc4cec61114c499351e2ce49bf55ebdaa5905cebc79096581af504acb638f7"},"schema_version":"1.0","source":{"id":"1811.06589","kind":"arxiv","version":2}},"canonical_sha256":"8fd0f9f7a81c6a2a7eed92167dc515f5196d52af30544cfcec335af4ce4f8efb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fd0f9f7a81c6a2a7eed92167dc515f5196d52af30544cfcec335af4ce4f8efb","first_computed_at":"2026-07-05T00:21:47.723117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:21:47.723117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zIKVroPBTlAhyE0J/nIt/5du3rDgS2cJe9HU/yAzN0+A5w4WHz09ELJTK/n/1bXETSNlFbcYBoiFdaZTwQXYDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:21:47.723640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.06589","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10f189144962fcd89feec8ce1cba1ece15ca697b464fc45a455f51283bec8b5f","sha256:6d8d5ace48bae53692d54cbf9ba981025cc32eed05676ca6d9dea5c735e16533"],"state_sha256":"d97c207063a0d9523c1a93874afd2180ed8f3b5469dd7a8ab195ac87758812d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4B0m7vquB+Z9m+hfxxz4HodNOFSVey4V/0ttPAfIZ7oF2okJWsahb0vIzqI2KIhbbLLYv7vB5AyncMKgrgjuCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T00:08:58.053572Z","bundle_sha256":"515d3c3fd1b93f8e4acb776525f32fc277f8bd82170e82f6fbf93ad690fc888f"}}