{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:ME2XBLR6VBDPMY3IFFNVMQSNAO","short_pith_number":"pith:ME2XBLR6","canonical_record":{"source":{"id":"quant-ph/0404049","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2004-04-07T19:18:48Z","cross_cats_sorted":[],"title_canon_sha256":"659bbda1e4c93071f4a2b304e3538306ff6c6b5b1683bb0a132619a053ea50f1","abstract_canon_sha256":"b956d4f494e2478a8c55e707495d0e5e00d7034aef626b18495e492476b457c4"},"schema_version":"1.0"},"canonical_sha256":"613570ae3ea846f66368295b56424d03afec1f3c97839ed68625ddfab481dd51","source":{"kind":"arxiv","id":"quant-ph/0404049","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0404049","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0404049v3","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0404049","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_12","alias_value":"ME2XBLR6VBDP","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_16","alias_value":"ME2XBLR6VBDPMY3I","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_8","alias_value":"ME2XBLR6","created_at":"2026-07-04T16:50:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:ME2XBLR6VBDPMY3IFFNVMQSNAO","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0404049","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2004-04-07T19:18:48Z","cross_cats_sorted":[],"title_canon_sha256":"659bbda1e4c93071f4a2b304e3538306ff6c6b5b1683bb0a132619a053ea50f1","abstract_canon_sha256":"b956d4f494e2478a8c55e707495d0e5e00d7034aef626b18495e492476b457c4"},"schema_version":"1.0"},"canonical_sha256":"613570ae3ea846f66368295b56424d03afec1f3c97839ed68625ddfab481dd51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:50:15.912384Z","signature_b64":"BUzmN85xu9/DM7/rDb1gJbvgem+g9kDAkq/YZj+kAnlRWj4HPu2tZlJgLhTDrX8qbzco/sFk1zPEy5/VG7OkCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"613570ae3ea846f66368295b56424d03afec1f3c97839ed68625ddfab481dd51","last_reissued_at":"2026-07-04T16:50:15.912021Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:50:15.912021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0404049","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:50:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d2Cu8bg7PL/h4h27iWuqlAuWa5pHqo190Sc6AyYONzf2+TSq4dYeAbTHvjMdBTTWvojozqF6Pe+AnAsvqVAQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:21:40.963825Z"},"content_sha256":"5e2339d109c33512db7d982520d0311ee216b1db91cfe01e2441759b6900c49c","schema_version":"1.0","event_id":"sha256:5e2339d109c33512db7d982520d0311ee216b1db91cfe01e2441759b6900c49c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:ME2XBLR6VBDPMY3IFFNVMQSNAO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multipartite continuous-variable entanglement from concurrent nonlinearities","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daruo Xie, Gregory Jennings, Olivier Pfister, Raphael Pooser, Sheng Feng","submitted_at":"2004-04-07T19:18:48Z","abstract_excerpt":"We show theoretically that concurrent interactions in a second-order nonlinear medium placed inside an optical resonator can generate multipartite entanglement between the resonator modes. We show that there is a mathematical connexion between this system and van Loock and Braunstein's proposal for entangling N continuous quantum optical variables by interfering the outputs of N degenerate optical parametric amplifiers (OPA) at a N-port beam splitter. Our configuration, however, requires only one nondegenerate OPA and no interferometer. In a preliminary experimental study, we observe the concu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0404049","kind":"arxiv","version":3},"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/quant-ph/0404049/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":"2026-07-04T16:50:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUTAHymp0ALgruwSGWwIMF9bG9VuRy5ZIoF+MSjGK0wJvVJo2ucar876U5qqv6Yqk8Zosk8GkIyXmNUGRJUSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:21:40.964197Z"},"content_sha256":"0ad4f35e93b906560c7fc9e6532384961dc2b79139125f21e91a6855b63be990","schema_version":"1.0","event_id":"sha256:0ad4f35e93b906560c7fc9e6532384961dc2b79139125f21e91a6855b63be990"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/bundle.json","state_url":"https://pith.science/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/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":"2026-07-07T08:21:40Z","links":{"resolver":"https://pith.science/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO","bundle":"https://pith.science/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/bundle.json","state":"https://pith.science/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ME2XBLR6VBDPMY3IFFNVMQSNAO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:ME2XBLR6VBDPMY3IFFNVMQSNAO","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":"b956d4f494e2478a8c55e707495d0e5e00d7034aef626b18495e492476b457c4","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2004-04-07T19:18:48Z","title_canon_sha256":"659bbda1e4c93071f4a2b304e3538306ff6c6b5b1683bb0a132619a053ea50f1"},"schema_version":"1.0","source":{"id":"quant-ph/0404049","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0404049","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0404049v3","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0404049","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_12","alias_value":"ME2XBLR6VBDP","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_16","alias_value":"ME2XBLR6VBDPMY3I","created_at":"2026-07-04T16:50:15Z"},{"alias_kind":"pith_short_8","alias_value":"ME2XBLR6","created_at":"2026-07-04T16:50:15Z"}],"graph_snapshots":[{"event_id":"sha256:0ad4f35e93b906560c7fc9e6532384961dc2b79139125f21e91a6855b63be990","target":"graph","created_at":"2026-07-04T16:50:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0404049/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show theoretically that concurrent interactions in a second-order nonlinear medium placed inside an optical resonator can generate multipartite entanglement between the resonator modes. We show that there is a mathematical connexion between this system and van Loock and Braunstein's proposal for entangling N continuous quantum optical variables by interfering the outputs of N degenerate optical parametric amplifiers (OPA) at a N-port beam splitter. Our configuration, however, requires only one nondegenerate OPA and no interferometer. In a preliminary experimental study, we observe the concu","authors_text":"Daruo Xie, Gregory Jennings, Olivier Pfister, Raphael Pooser, Sheng Feng","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2004-04-07T19:18:48Z","title":"Multipartite continuous-variable entanglement from concurrent nonlinearities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0404049","kind":"arxiv","version":3},"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":"sha256:5e2339d109c33512db7d982520d0311ee216b1db91cfe01e2441759b6900c49c","target":"record","created_at":"2026-07-04T16:50:15Z","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":"b956d4f494e2478a8c55e707495d0e5e00d7034aef626b18495e492476b457c4","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2004-04-07T19:18:48Z","title_canon_sha256":"659bbda1e4c93071f4a2b304e3538306ff6c6b5b1683bb0a132619a053ea50f1"},"schema_version":"1.0","source":{"id":"quant-ph/0404049","kind":"arxiv","version":3}},"canonical_sha256":"613570ae3ea846f66368295b56424d03afec1f3c97839ed68625ddfab481dd51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"613570ae3ea846f66368295b56424d03afec1f3c97839ed68625ddfab481dd51","first_computed_at":"2026-07-04T16:50:15.912021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:50:15.912021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BUzmN85xu9/DM7/rDb1gJbvgem+g9kDAkq/YZj+kAnlRWj4HPu2tZlJgLhTDrX8qbzco/sFk1zPEy5/VG7OkCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:50:15.912384Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0404049","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e2339d109c33512db7d982520d0311ee216b1db91cfe01e2441759b6900c49c","sha256:0ad4f35e93b906560c7fc9e6532384961dc2b79139125f21e91a6855b63be990"],"state_sha256":"1fe721edae38aacb19f623e1c29ea697ed65c99d1c84cc1ab3d21f78468863e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aZEo4hqVK7QVcdkSt4XApHe/Q7hYcnrO+SqAOQe+8jl9RNRPPadukFC2K2zvfWMmD4ixL42gpP5BFTfENXwzAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:21:40.966206Z","bundle_sha256":"65f2c89dbe47c5f1fdd9c9e50a7ff34d331237792ecac7447f84c440d788af5d"}}