{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:VFSQDLAJFYNMNWMCPDIR63JH42","short_pith_number":"pith:VFSQDLAJ","canonical_record":{"source":{"id":"1001.3953","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-01-22T10:31:02Z","cross_cats_sorted":[],"title_canon_sha256":"bb55e912eeb913f2e56856759ec4b02a825d966f68be3c7e13f45a6e4f59da7f","abstract_canon_sha256":"e0e2cc095949c14b8247f9f45d87530e7d0193495c99a10dabb99b102f081d62"},"schema_version":"1.0"},"canonical_sha256":"a96501ac092e1ac6d98278d11f6d27e6abe21d452ddf98dc3a2f18e93b2de588","source":{"kind":"arxiv","id":"1001.3953","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3953","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3953v1","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3953","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"VFSQDLAJFYNM","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VFSQDLAJFYNMNWMC","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VFSQDLAJ","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:VFSQDLAJFYNMNWMCPDIR63JH42","target":"record","payload":{"canonical_record":{"source":{"id":"1001.3953","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-01-22T10:31:02Z","cross_cats_sorted":[],"title_canon_sha256":"bb55e912eeb913f2e56856759ec4b02a825d966f68be3c7e13f45a6e4f59da7f","abstract_canon_sha256":"e0e2cc095949c14b8247f9f45d87530e7d0193495c99a10dabb99b102f081d62"},"schema_version":"1.0"},"canonical_sha256":"a96501ac092e1ac6d98278d11f6d27e6abe21d452ddf98dc3a2f18e93b2de588","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:10.434663Z","signature_b64":"Wc+2n5pqytcO0BqUMHlbYtcddk9LGrD/xonOWZH4B8y+OH7zNjwBgOyf9C8ltj5Erig4N6zBh+DWhzElqqfAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a96501ac092e1ac6d98278d11f6d27e6abe21d452ddf98dc3a2f18e93b2de588","last_reissued_at":"2026-05-18T04:40:10.434074Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:10.434074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.3953","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":"2026-05-18T04:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUZMbDXVK82UF2fzP/YyDM8v7+TfrW2bafMpJVGBdzlT8CDr773NGYFTSmLTboNXICJkdOobjgXNN+NuKtFsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:40:16.329989Z"},"content_sha256":"bd1e93d8b46a1432f9fb1eb7da9fb8df76b71e2568a00cc5c1f78ba3e9be4d6f","schema_version":"1.0","event_id":"sha256:bd1e93d8b46a1432f9fb1eb7da9fb8df76b71e2568a00cc5c1f78ba3e9be4d6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:VFSQDLAJFYNMNWMCPDIR63JH42","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atomic quantum memories for light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"(2) Laboratoire Kastler Brossel, A.S. Sheremet (1), CNRS, D.V. Kupriyanov (1) ((1) Department of Theoretical Physics, Ecole Normale Superieure, E. Giacobino (2), France), O.S. Mishina (2), Paris, Russia, State Polytechnic University, St.-Petersburg, Universite Pierre et Marie Curie","submitted_at":"2010-01-22T10:31:02Z","abstract_excerpt":"We consider the coherent stimulated Raman process developing in an optically dense and disordered atomic medium in application to the quantum memory scheme. Our theoretical model predicts that the hyperfine interaction in the excited state of alkali atoms can positively affect on the quantum memory efficiency. Based on the concept of the coherent information transfer we analyze and compare the memory requirements for storage of single photon and macroscopic multi-photon light pulses."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3953","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":"2026-05-18T04:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avO97dOm9n20FMOu3KJ3jl4obrJbMT/DUKq17j8fniqqOqE6w91gBIWOho6REMqnQjQMG3GexTXMSac+6RAnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:40:16.330684Z"},"content_sha256":"0c0e697c07d0753710b5c6fbe2d1dada3cbd0e4f2c1fed12e2e5686968ae1c12","schema_version":"1.0","event_id":"sha256:0c0e697c07d0753710b5c6fbe2d1dada3cbd0e4f2c1fed12e2e5686968ae1c12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VFSQDLAJFYNMNWMCPDIR63JH42/bundle.json","state_url":"https://pith.science/pith/VFSQDLAJFYNMNWMCPDIR63JH42/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VFSQDLAJFYNMNWMCPDIR63JH42/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":"2026-05-26T03:40:16Z","links":{"resolver":"https://pith.science/pith/VFSQDLAJFYNMNWMCPDIR63JH42","bundle":"https://pith.science/pith/VFSQDLAJFYNMNWMCPDIR63JH42/bundle.json","state":"https://pith.science/pith/VFSQDLAJFYNMNWMCPDIR63JH42/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VFSQDLAJFYNMNWMCPDIR63JH42/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:VFSQDLAJFYNMNWMCPDIR63JH42","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":"e0e2cc095949c14b8247f9f45d87530e7d0193495c99a10dabb99b102f081d62","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-01-22T10:31:02Z","title_canon_sha256":"bb55e912eeb913f2e56856759ec4b02a825d966f68be3c7e13f45a6e4f59da7f"},"schema_version":"1.0","source":{"id":"1001.3953","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3953","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3953v1","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3953","created_at":"2026-05-18T04:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"VFSQDLAJFYNM","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VFSQDLAJFYNMNWMC","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VFSQDLAJ","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:0c0e697c07d0753710b5c6fbe2d1dada3cbd0e4f2c1fed12e2e5686968ae1c12","target":"graph","created_at":"2026-05-18T04:40:10Z","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 consider the coherent stimulated Raman process developing in an optically dense and disordered atomic medium in application to the quantum memory scheme. Our theoretical model predicts that the hyperfine interaction in the excited state of alkali atoms can positively affect on the quantum memory efficiency. Based on the concept of the coherent information transfer we analyze and compare the memory requirements for storage of single photon and macroscopic multi-photon light pulses.","authors_text":"(2) Laboratoire Kastler Brossel, A.S. Sheremet (1), CNRS, D.V. Kupriyanov (1) ((1) Department of Theoretical Physics, Ecole Normale Superieure, E. Giacobino (2), France), O.S. Mishina (2), Paris, Russia, State Polytechnic University, St.-Petersburg, Universite Pierre et Marie Curie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-01-22T10:31:02Z","title":"Atomic quantum memories for light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3953","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:bd1e93d8b46a1432f9fb1eb7da9fb8df76b71e2568a00cc5c1f78ba3e9be4d6f","target":"record","created_at":"2026-05-18T04:40:10Z","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":"e0e2cc095949c14b8247f9f45d87530e7d0193495c99a10dabb99b102f081d62","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-01-22T10:31:02Z","title_canon_sha256":"bb55e912eeb913f2e56856759ec4b02a825d966f68be3c7e13f45a6e4f59da7f"},"schema_version":"1.0","source":{"id":"1001.3953","kind":"arxiv","version":1}},"canonical_sha256":"a96501ac092e1ac6d98278d11f6d27e6abe21d452ddf98dc3a2f18e93b2de588","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a96501ac092e1ac6d98278d11f6d27e6abe21d452ddf98dc3a2f18e93b2de588","first_computed_at":"2026-05-18T04:40:10.434074Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:10.434074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wc+2n5pqytcO0BqUMHlbYtcddk9LGrD/xonOWZH4B8y+OH7zNjwBgOyf9C8ltj5Erig4N6zBh+DWhzElqqfAAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:10.434663Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.3953","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd1e93d8b46a1432f9fb1eb7da9fb8df76b71e2568a00cc5c1f78ba3e9be4d6f","sha256:0c0e697c07d0753710b5c6fbe2d1dada3cbd0e4f2c1fed12e2e5686968ae1c12"],"state_sha256":"5b5916a6126eb838f921f7886aa4e37c45cdcdfcd405f26e798e1a6f4d0a30aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7KdrZU7R8dtB1ryByLfj3+gAm21JbYMlE1QY3Sy2fnfuakGDpyJgUOaHeX4KeQOwpW2Xb1yjgamlET596MQ5DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:40:16.334410Z","bundle_sha256":"5339571ca3243d332aeedc042b21b618bba63cb32a6a521ad852f2365e31f563"}}