{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EVVPMTOCQ3SJQC4G7QI4ZMI3KG","short_pith_number":"pith:EVVPMTOC","canonical_record":{"source":{"id":"1309.3202","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T15:52:53Z","cross_cats_sorted":[],"title_canon_sha256":"f5776f3d9330cb5674cc0ff4527071a265865e9f3584bb8498c14ed9572512d7","abstract_canon_sha256":"b18b4caaa2f1ed87221dcf0edc33b0e178bd002f9690349618ee540447ee527f"},"schema_version":"1.0"},"canonical_sha256":"256af64dc286e4980b86fc11ccb11b519b8b9dfafff2e97c3a63b9836c83a4f2","source":{"kind":"arxiv","id":"1309.3202","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3202","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3202v3","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3202","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"EVVPMTOCQ3SJ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EVVPMTOCQ3SJQC4G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EVVPMTOC","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EVVPMTOCQ3SJQC4G7QI4ZMI3KG","target":"record","payload":{"canonical_record":{"source":{"id":"1309.3202","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T15:52:53Z","cross_cats_sorted":[],"title_canon_sha256":"f5776f3d9330cb5674cc0ff4527071a265865e9f3584bb8498c14ed9572512d7","abstract_canon_sha256":"b18b4caaa2f1ed87221dcf0edc33b0e178bd002f9690349618ee540447ee527f"},"schema_version":"1.0"},"canonical_sha256":"256af64dc286e4980b86fc11ccb11b519b8b9dfafff2e97c3a63b9836c83a4f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:59.700853Z","signature_b64":"lIf4BtUeycL+SQIHpYUSE/3/WUFyZM7i/pHHWpFMtsiwPJzvP+09ubNfPOZHAWsbyabjct3biGvuSqeJb36lCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"256af64dc286e4980b86fc11ccb11b519b8b9dfafff2e97c3a63b9836c83a4f2","last_reissued_at":"2026-05-18T02:41:59.700498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:59.700498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.3202","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":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sk+6jG3NPJ6ITELb/OA9qtsS2a/cWjGt9lEGUg+WXjVXSlaDReypHnIEynsrW4alLSEGm342xvsIyQQSH2evDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:56:26.962293Z"},"content_sha256":"1bcc57c1264eefce472dd3330aa455fe07355e8fde7199b37ece5b3e85c66e88","schema_version":"1.0","event_id":"sha256:1bcc57c1264eefce472dd3330aa455fe07355e8fde7199b37ece5b3e85c66e88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EVVPMTOCQ3SJQC4G7QI4ZMI3KG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral multiplexing for scalable quantum photonics using an atomic frequency comb quantum memory and feed-forward control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christoph Simon, Daniel Oblak, Erhan Saglamyurek, Hassan Mallahzadeh, Joshua A. Slater, Mathew George, Morgan P. Hedges, Neil Sinclair, Raimund Ricken, Wolfgang Sohler, Wolfgang Tittel","submitted_at":"2013-09-12T15:52:53Z","abstract_excerpt":"Future multi-photon applications of quantum optics and quantum information science require quantum memories that simultaneously store many photon states, each encoded into a different optical mode, and enable one to select the mapping between any input and a specific retrieved mode during storage. Here we show, with the example of a quantum repeater, how to employ spectrally-multiplexed states and memories with fixed storage times that allow such mapping between spectral modes. Furthermore, using a Ti:Tm:LiNbO3 waveguide cooled to 3 Kelvin, a phase modulator, and a spectral filter, we demonstr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3202","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":""},"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":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3wn4GLvYVK9zyIGQVZEvjKDdVjvt8lLWO1Q6nL0L1b7rdfNUwXU0oAry/mdFvjUasz3KkxXfxnBWYgkLWkyPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:56:26.962663Z"},"content_sha256":"652613c08361fda701b43b408963a46f3d64a1e99ac7522d59664cb4a12e5e89","schema_version":"1.0","event_id":"sha256:652613c08361fda701b43b408963a46f3d64a1e99ac7522d59664cb4a12e5e89"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/bundle.json","state_url":"https://pith.science/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/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":"2026-05-28T00:56:26Z","links":{"resolver":"https://pith.science/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG","bundle":"https://pith.science/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/bundle.json","state":"https://pith.science/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVVPMTOCQ3SJQC4G7QI4ZMI3KG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EVVPMTOCQ3SJQC4G7QI4ZMI3KG","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":"b18b4caaa2f1ed87221dcf0edc33b0e178bd002f9690349618ee540447ee527f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T15:52:53Z","title_canon_sha256":"f5776f3d9330cb5674cc0ff4527071a265865e9f3584bb8498c14ed9572512d7"},"schema_version":"1.0","source":{"id":"1309.3202","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3202","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3202v3","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3202","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"EVVPMTOCQ3SJ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EVVPMTOCQ3SJQC4G","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EVVPMTOC","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:652613c08361fda701b43b408963a46f3d64a1e99ac7522d59664cb4a12e5e89","target":"graph","created_at":"2026-05-18T02:41:59Z","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":"Future multi-photon applications of quantum optics and quantum information science require quantum memories that simultaneously store many photon states, each encoded into a different optical mode, and enable one to select the mapping between any input and a specific retrieved mode during storage. Here we show, with the example of a quantum repeater, how to employ spectrally-multiplexed states and memories with fixed storage times that allow such mapping between spectral modes. Furthermore, using a Ti:Tm:LiNbO3 waveguide cooled to 3 Kelvin, a phase modulator, and a spectral filter, we demonstr","authors_text":"Christoph Simon, Daniel Oblak, Erhan Saglamyurek, Hassan Mallahzadeh, Joshua A. Slater, Mathew George, Morgan P. Hedges, Neil Sinclair, Raimund Ricken, Wolfgang Sohler, Wolfgang Tittel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T15:52:53Z","title":"Spectral multiplexing for scalable quantum photonics using an atomic frequency comb quantum memory and feed-forward control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3202","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":"sha256:1bcc57c1264eefce472dd3330aa455fe07355e8fde7199b37ece5b3e85c66e88","target":"record","created_at":"2026-05-18T02:41:59Z","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":"b18b4caaa2f1ed87221dcf0edc33b0e178bd002f9690349618ee540447ee527f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T15:52:53Z","title_canon_sha256":"f5776f3d9330cb5674cc0ff4527071a265865e9f3584bb8498c14ed9572512d7"},"schema_version":"1.0","source":{"id":"1309.3202","kind":"arxiv","version":3}},"canonical_sha256":"256af64dc286e4980b86fc11ccb11b519b8b9dfafff2e97c3a63b9836c83a4f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"256af64dc286e4980b86fc11ccb11b519b8b9dfafff2e97c3a63b9836c83a4f2","first_computed_at":"2026-05-18T02:41:59.700498Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:59.700498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lIf4BtUeycL+SQIHpYUSE/3/WUFyZM7i/pHHWpFMtsiwPJzvP+09ubNfPOZHAWsbyabjct3biGvuSqeJb36lCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:59.700853Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.3202","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bcc57c1264eefce472dd3330aa455fe07355e8fde7199b37ece5b3e85c66e88","sha256:652613c08361fda701b43b408963a46f3d64a1e99ac7522d59664cb4a12e5e89"],"state_sha256":"9da25d1f76b353cb415bf0b9a213b05cf8c314b29c6b78c9ee9de7c74ce6964c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MoS/db7l3Fz7s5OlvCXGUQ3XhmAJWjay1lJlC6eJ976ZgmTJt4Wb0uF0MTwAiXWIe2Grj78Kn3rGu51JToK7AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:56:26.964679Z","bundle_sha256":"26a4f9d3bd6a3ad8b68b80536804012c5674e389cecc26a82de7dc9f900b696b"}}