{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:F2F25W436AYRKQAANWD326IYKQ","short_pith_number":"pith:F2F25W43","canonical_record":{"source":{"id":"1201.3105","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2012-01-15T16:55:26Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5e320a0efef77dd9f54a307cc819685affdffb1f2e48bf5dc750e386f60ebcd7","abstract_canon_sha256":"9b960b5e49c7256f244cb9c6385ef78de277a4b25a97a50da09d21ea84bdd1e8"},"schema_version":"1.0"},"canonical_sha256":"2e8baedb9bf0311540006d87bd7918541f862b675db94f6ced8fee76b5063944","source":{"kind":"arxiv","id":"1201.3105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3105","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3105v1","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3105","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"pith_short_12","alias_value":"F2F25W436AYR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F2F25W436AYRKQAA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F2F25W43","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:F2F25W436AYRKQAANWD326IYKQ","target":"record","payload":{"canonical_record":{"source":{"id":"1201.3105","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2012-01-15T16:55:26Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5e320a0efef77dd9f54a307cc819685affdffb1f2e48bf5dc750e386f60ebcd7","abstract_canon_sha256":"9b960b5e49c7256f244cb9c6385ef78de277a4b25a97a50da09d21ea84bdd1e8"},"schema_version":"1.0"},"canonical_sha256":"2e8baedb9bf0311540006d87bd7918541f862b675db94f6ced8fee76b5063944","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:49.112120Z","signature_b64":"sWbah+cwc+0/FEUFafXi8dAhidcxyNf3wsSe0mgL++QpYY/3o5S1SgoU81N+lqiINMq2ffcuTcnscyDTPVYpCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e8baedb9bf0311540006d87bd7918541f862b675db94f6ced8fee76b5063944","last_reissued_at":"2026-05-18T01:58:49.111464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:49.111464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.3105","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":"2026-05-18T01:58:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"80ln6spwm4oJbZhAiXWd6rqaHksYaSM3sBRFrWc3hqQnk3PQyUh0lGXp0t74H+XVVQZw6vXzRG4oqAH/6RGlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:22:14.848823Z"},"content_sha256":"eeb0c2ce52fad612ae1d8feca22cf504fa42bde4949b8a62811443544d72e362","schema_version":"1.0","event_id":"sha256:eeb0c2ce52fad612ae1d8feca22cf504fa42bde4949b8a62811443544d72e362"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:F2F25W436AYRKQAANWD326IYKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum coherent control of highly multipartite continuous-variable entangled states by tailoring parametric interactions","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Carlos Navarrete-Benlloch, Claude Fabre, Germ\\'an J. de Valc\\'arcel, Giuseppe Patera","submitted_at":"2012-01-15T16:55:26Z","abstract_excerpt":"The generation of continuous-variable multipartite entangled states is important for several protocols of quantum information processing and communication, such as one-way quantum computation or controlled dense coding. In this article we theoretically show that multimode optical parametric oscillators can produce a great variety of such states by an appropriate control of the parametric interaction, what we accomplish by tailoring either the spatio-temporal shape of the pump, or the geometry of the nonlinear medium. Specific examples involving currently available optical parametric oscillator"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3105","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":"2026-05-18T01:58:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avfg2bbkl2DmC2MRprOF1c4aAJewr3hGtlytzzU0orLqnnrAsERWewXluI2wuJ41krjagq/CP2FWXw0VQ6FzAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:22:14.849230Z"},"content_sha256":"69644a43ee1df25ef0f389104573c17cf0b8064bb50969eb028a1b86402a2515","schema_version":"1.0","event_id":"sha256:69644a43ee1df25ef0f389104573c17cf0b8064bb50969eb028a1b86402a2515"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F2F25W436AYRKQAANWD326IYKQ/bundle.json","state_url":"https://pith.science/pith/F2F25W436AYRKQAANWD326IYKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F2F25W436AYRKQAANWD326IYKQ/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":"2026-05-25T17:22:14Z","links":{"resolver":"https://pith.science/pith/F2F25W436AYRKQAANWD326IYKQ","bundle":"https://pith.science/pith/F2F25W436AYRKQAANWD326IYKQ/bundle.json","state":"https://pith.science/pith/F2F25W436AYRKQAANWD326IYKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F2F25W436AYRKQAANWD326IYKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:F2F25W436AYRKQAANWD326IYKQ","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":"9b960b5e49c7256f244cb9c6385ef78de277a4b25a97a50da09d21ea84bdd1e8","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2012-01-15T16:55:26Z","title_canon_sha256":"5e320a0efef77dd9f54a307cc819685affdffb1f2e48bf5dc750e386f60ebcd7"},"schema_version":"1.0","source":{"id":"1201.3105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3105","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3105v1","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3105","created_at":"2026-05-18T01:58:49Z"},{"alias_kind":"pith_short_12","alias_value":"F2F25W436AYR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F2F25W436AYRKQAA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F2F25W43","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:69644a43ee1df25ef0f389104573c17cf0b8064bb50969eb028a1b86402a2515","target":"graph","created_at":"2026-05-18T01:58:49Z","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":"The generation of continuous-variable multipartite entangled states is important for several protocols of quantum information processing and communication, such as one-way quantum computation or controlled dense coding. In this article we theoretically show that multimode optical parametric oscillators can produce a great variety of such states by an appropriate control of the parametric interaction, what we accomplish by tailoring either the spatio-temporal shape of the pump, or the geometry of the nonlinear medium. Specific examples involving currently available optical parametric oscillator","authors_text":"Carlos Navarrete-Benlloch, Claude Fabre, Germ\\'an J. de Valc\\'arcel, Giuseppe Patera","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2012-01-15T16:55:26Z","title":"Quantum coherent control of highly multipartite continuous-variable entangled states by tailoring parametric interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3105","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:eeb0c2ce52fad612ae1d8feca22cf504fa42bde4949b8a62811443544d72e362","target":"record","created_at":"2026-05-18T01:58:49Z","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":"9b960b5e49c7256f244cb9c6385ef78de277a4b25a97a50da09d21ea84bdd1e8","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2012-01-15T16:55:26Z","title_canon_sha256":"5e320a0efef77dd9f54a307cc819685affdffb1f2e48bf5dc750e386f60ebcd7"},"schema_version":"1.0","source":{"id":"1201.3105","kind":"arxiv","version":1}},"canonical_sha256":"2e8baedb9bf0311540006d87bd7918541f862b675db94f6ced8fee76b5063944","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e8baedb9bf0311540006d87bd7918541f862b675db94f6ced8fee76b5063944","first_computed_at":"2026-05-18T01:58:49.111464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:49.111464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sWbah+cwc+0/FEUFafXi8dAhidcxyNf3wsSe0mgL++QpYY/3o5S1SgoU81N+lqiINMq2ffcuTcnscyDTPVYpCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:49.112120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.3105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eeb0c2ce52fad612ae1d8feca22cf504fa42bde4949b8a62811443544d72e362","sha256:69644a43ee1df25ef0f389104573c17cf0b8064bb50969eb028a1b86402a2515"],"state_sha256":"ecbfaf02ec9894fca06433bb026f93ee0d3285cf55fa59966b5671f1f9a04015"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6oHoccPpuLJfH5bt8AlQcgbbulhPg5tsm8OAokBGHUgpsJ+rxiZYZ/PO8TkpGgGqQBuIkIrckfo+deMR/V+DCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:22:14.851799Z","bundle_sha256":"df38c5c13c9e50fcc0c6d6f3854af8e1d7b6678cc26abcf1a59d15e2215c0119"}}