{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6N7UY36ANTFJLB4MVSQT66SSGQ","short_pith_number":"pith:6N7UY36A","canonical_record":{"source":{"id":"1702.05959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-20T13:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"921c570b68c995dc6a578e5b9784ae75c3d98656efc3b4727a3a5fea44ea24c5","abstract_canon_sha256":"3721c6d7787044284e79173f583eb235fe27a5ff911d53fe2f879f33ab10fd8e"},"schema_version":"1.0"},"canonical_sha256":"f37f4c6fc06cca95878caca13f7a52342d975382d080e86dacf8ecb4717d2d1f","source":{"kind":"arxiv","id":"1702.05959","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05959","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05959v1","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05959","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"pith_short_12","alias_value":"6N7UY36ANTFJ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6N7UY36ANTFJLB4M","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6N7UY36A","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6N7UY36ANTFJLB4MVSQT66SSGQ","target":"record","payload":{"canonical_record":{"source":{"id":"1702.05959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-20T13:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"921c570b68c995dc6a578e5b9784ae75c3d98656efc3b4727a3a5fea44ea24c5","abstract_canon_sha256":"3721c6d7787044284e79173f583eb235fe27a5ff911d53fe2f879f33ab10fd8e"},"schema_version":"1.0"},"canonical_sha256":"f37f4c6fc06cca95878caca13f7a52342d975382d080e86dacf8ecb4717d2d1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:24.775332Z","signature_b64":"zefJKsdu/AVaHvqbXyaZeRdggYajbIkZT71Wo+lLE7SziyWK9jPmCqDnVF8oyaMMJQdtMTppj3HXeBC4M+JCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f37f4c6fc06cca95878caca13f7a52342d975382d080e86dacf8ecb4717d2d1f","last_reissued_at":"2026-05-18T00:50:24.774647Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:24.774647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.05959","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":"2026-05-18T00:50:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"noCPRivod8HOBkDU1nwvJj1g+Q46+prO2U/+b82dCbfgpynTM9y3YdpplezxBgyMXRIvbKDTQe3XnVYeQNsjDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:28:12.734778Z"},"content_sha256":"669f6a9587c8795f462afcce43fc4edbef896cd6f0d5baa48ec5523757b53e34","schema_version":"1.0","event_id":"sha256:669f6a9587c8795f462afcce43fc4edbef896cd6f0d5baa48ec5523757b53e34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6N7UY36ANTFJLB4MVSQT66SSGQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal control for perfect state transfer in linear quantum memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hideaki Nakao, Naoki Yamamoto","submitted_at":"2017-02-20T13:30:08Z","abstract_excerpt":"A quantum memory is a system that enables transfer, storage, and retrieval of optical quantum states by ON/OFF switching of the control signal in each stages of the memory. In particular, it is known that, for perfect transfer of a single-photon state, appropriate shaping of the input pulse is required. However, in general, such a desirable pulse shape has a complicated form, which would be hard to generate in practice. In this paper, for a wide class of linear quantum memory systems, we develop a method that reduces the complexity of the input pulse shape of a single-photon while maintaining "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05959","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":"2026-05-18T00:50:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0bFvwKZwpCZjTJrGlyZMo5hM2gHuxk8z8i0jHQZXFO8yyft1g1MugnwsM5SV4rp7NfVuCyQPR9VazcgJclSoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:28:12.735122Z"},"content_sha256":"7f7f91dd9d45a894a1f0814c3d40177d12e9088f30535907f30c5b32e756f68f","schema_version":"1.0","event_id":"sha256:7f7f91dd9d45a894a1f0814c3d40177d12e9088f30535907f30c5b32e756f68f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/bundle.json","state_url":"https://pith.science/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/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":"2026-05-28T10:28:12Z","links":{"resolver":"https://pith.science/pith/6N7UY36ANTFJLB4MVSQT66SSGQ","bundle":"https://pith.science/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/bundle.json","state":"https://pith.science/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6N7UY36ANTFJLB4MVSQT66SSGQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6N7UY36ANTFJLB4MVSQT66SSGQ","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":"3721c6d7787044284e79173f583eb235fe27a5ff911d53fe2f879f33ab10fd8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-20T13:30:08Z","title_canon_sha256":"921c570b68c995dc6a578e5b9784ae75c3d98656efc3b4727a3a5fea44ea24c5"},"schema_version":"1.0","source":{"id":"1702.05959","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05959","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05959v1","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05959","created_at":"2026-05-18T00:50:24Z"},{"alias_kind":"pith_short_12","alias_value":"6N7UY36ANTFJ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6N7UY36ANTFJLB4M","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6N7UY36A","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:7f7f91dd9d45a894a1f0814c3d40177d12e9088f30535907f30c5b32e756f68f","target":"graph","created_at":"2026-05-18T00:50:24Z","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":"A quantum memory is a system that enables transfer, storage, and retrieval of optical quantum states by ON/OFF switching of the control signal in each stages of the memory. In particular, it is known that, for perfect transfer of a single-photon state, appropriate shaping of the input pulse is required. However, in general, such a desirable pulse shape has a complicated form, which would be hard to generate in practice. In this paper, for a wide class of linear quantum memory systems, we develop a method that reduces the complexity of the input pulse shape of a single-photon while maintaining ","authors_text":"Hideaki Nakao, Naoki Yamamoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-20T13:30:08Z","title":"Optimal control for perfect state transfer in linear quantum memory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05959","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":"sha256:669f6a9587c8795f462afcce43fc4edbef896cd6f0d5baa48ec5523757b53e34","target":"record","created_at":"2026-05-18T00:50:24Z","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":"3721c6d7787044284e79173f583eb235fe27a5ff911d53fe2f879f33ab10fd8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-20T13:30:08Z","title_canon_sha256":"921c570b68c995dc6a578e5b9784ae75c3d98656efc3b4727a3a5fea44ea24c5"},"schema_version":"1.0","source":{"id":"1702.05959","kind":"arxiv","version":1}},"canonical_sha256":"f37f4c6fc06cca95878caca13f7a52342d975382d080e86dacf8ecb4717d2d1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f37f4c6fc06cca95878caca13f7a52342d975382d080e86dacf8ecb4717d2d1f","first_computed_at":"2026-05-18T00:50:24.774647Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:24.774647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zefJKsdu/AVaHvqbXyaZeRdggYajbIkZT71Wo+lLE7SziyWK9jPmCqDnVF8oyaMMJQdtMTppj3HXeBC4M+JCAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:24.775332Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.05959","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:669f6a9587c8795f462afcce43fc4edbef896cd6f0d5baa48ec5523757b53e34","sha256:7f7f91dd9d45a894a1f0814c3d40177d12e9088f30535907f30c5b32e756f68f"],"state_sha256":"3c308e68476469a9aaa4f6e4f04696a1df92cead0e393aee1e1e6d9e9a8d62ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vwfMc/qfv+rGOgBFF9UnIjq74oPKcUOOuR0FGkyiA9giRTTFBNR/bZcszohM8l12UL4wu94W+V/M4/2ywtJGDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:28:12.737058Z","bundle_sha256":"dd5d837c912d9491417ccb182088bc81f5e75176f0ab7f3097264455c3522061"}}