{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6VZ4IKY6WFFVYTIDAWKLOKMTF5","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":"b44c25f426eef1b239190e5d7c86fbe252f78ab17c1e6aa71512539f0cc3b913","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-21T16:08:17Z","title_canon_sha256":"d1eb157ef292df42095ed5b0c7af197b301e32eb4256eceb2687aaa901ae1945"},"schema_version":"1.0","source":{"id":"1411.5932","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5932","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5932v3","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5932","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"pith_short_12","alias_value":"6VZ4IKY6WFFV","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6VZ4IKY6WFFVYTID","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6VZ4IKY6","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:56a69b0a652467774fed20960dabfb594b203bb3ccee7dbb55ca16698a21af92","target":"graph","created_at":"2026-05-18T02:19:35Z","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 propose a Raman quantum memory scheme that uses several atomic ensembles to store and retrieve the multimode highly entangled state of an optical quantum frequency comb, such as the one produced by parametric down-conversion of a pump frequency comb. We analyse the efficiency and the fidelity of such a quantum memory. Results show that our proposal may be helpful to multimode information processing using the different frequency bands of an optical frequency comb.","authors_text":"C. Fabre, N. Treps, O. Mishina, Z. Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-21T16:08:17Z","title":"Atomic quantum memory for multimode frequency combs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5932","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":"sha256:9f92d2c878740eab93cb6fa0adbf725e281e5cd3c8685c9859585126bf0fadfc","target":"record","created_at":"2026-05-18T02:19:35Z","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":"b44c25f426eef1b239190e5d7c86fbe252f78ab17c1e6aa71512539f0cc3b913","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-21T16:08:17Z","title_canon_sha256":"d1eb157ef292df42095ed5b0c7af197b301e32eb4256eceb2687aaa901ae1945"},"schema_version":"1.0","source":{"id":"1411.5932","kind":"arxiv","version":3}},"canonical_sha256":"f573c42b1eb14b5c4d030594b729932f7b94790de488adece311d454b01e731a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f573c42b1eb14b5c4d030594b729932f7b94790de488adece311d454b01e731a","first_computed_at":"2026-05-18T02:19:35.811173Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:35.811173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bByz+XfzrE1dku9ccqYkO9YI7K3hycQBrWyhwzMrwelA08BIM4MWZeMwGfoxMWu+2cnniLI3XQbuobu4Sl++Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:35.811629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5932","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f92d2c878740eab93cb6fa0adbf725e281e5cd3c8685c9859585126bf0fadfc","sha256:56a69b0a652467774fed20960dabfb594b203bb3ccee7dbb55ca16698a21af92"],"state_sha256":"d70a956848b45a3f8dee4d8e4507ce8c0f5208b0f1d5eb6a605890f8ce9630a8"}