{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:J3BVBQR7U24JORH3YVDXJ2CB7B","short_pith_number":"pith:J3BVBQR7","canonical_record":{"source":{"id":"1601.03908","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-15T13:26:14Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"49580f28c97cffb40f3eb8f5ed0182190e8a945ec40b78626ca917f55d3c4e0d","abstract_canon_sha256":"ed88c6ced41ce6925480b50fc1f0a632b3d694c6ebf327ec17d16dbf47b3b42b"},"schema_version":"1.0"},"canonical_sha256":"4ec350c23fa6b89744fbc54774e841f86759f2f0d6661d04f1116d5c9ee0b332","source":{"kind":"arxiv","id":"1601.03908","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03908","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03908v3","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03908","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"pith_short_12","alias_value":"J3BVBQR7U24J","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J3BVBQR7U24JORH3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J3BVBQR7","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:J3BVBQR7U24JORH3YVDXJ2CB7B","target":"record","payload":{"canonical_record":{"source":{"id":"1601.03908","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-15T13:26:14Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"49580f28c97cffb40f3eb8f5ed0182190e8a945ec40b78626ca917f55d3c4e0d","abstract_canon_sha256":"ed88c6ced41ce6925480b50fc1f0a632b3d694c6ebf327ec17d16dbf47b3b42b"},"schema_version":"1.0"},"canonical_sha256":"4ec350c23fa6b89744fbc54774e841f86759f2f0d6661d04f1116d5c9ee0b332","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:15.673559Z","signature_b64":"HXbp8pz9rOMVIXtaxkgTE+Wyjmc4a2obLoE8H1yPKIOWtV5gedILPnmBusR11Eqa7b0NWHWMGAWdh5YArbmQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ec350c23fa6b89744fbc54774e841f86759f2f0d6661d04f1116d5c9ee0b332","last_reissued_at":"2026-05-18T01:13:15.673199Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:15.673199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.03908","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":"2026-05-18T01:13:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y7gEDIMqEC5/1+UtcuBXjm1T3ekUzgpqG1mZuKW+Z81s0pJMdmqRJPxBNMwCf3S+SoBFcwVVA7CdJtQj9i7tBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:15:32.042393Z"},"content_sha256":"b7c44c25a4df2d7cea7a7e86f4846a2cb50ac6181ffba5c0c9c4169c44aa9983","schema_version":"1.0","event_id":"sha256:b7c44c25a4df2d7cea7a7e86f4846a2cb50ac6181ffba5c0c9c4169c44aa9983"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:J3BVBQR7U24JORH3YVDXJ2CB7B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bidirectional conversion between microwave and light via ferromagnetic magnons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Alto Osada, Atsushi Noguchi, Koji Usami, Rekishu Yamazaki, Ryusuke Hisatomi, Toyofumi Ishikawa, Yasunobu Nakamura, Yutaka Tabuchi","submitted_at":"2016-01-15T13:26:14Z","abstract_excerpt":"Coherent conversion of microwave and optical photons in the single-quantum level can significantly expand our ability to process signals in various fields. Efficient up-conversion of a feeble signal in the microwave domain to the optical domain will lead to quantum-noise-limited microwave amplifiers. Coherent exchange between optical photons and microwave photons will also be a stepping stone to realize long-distance quantum communication. Here we demonstrate bidirectional and coherent conversion between microwave and light using collective spin excitations in a ferromagnet. The converter cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03908","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":"2026-05-18T01:13:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MfVaeHtN7uGZSB77Sl5qUban6mQdeW4lSHjeGYN9jbLXhMe8FZUoq8l7D2hK7FmqgzIPSXqnwMBTGpA46TqmAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:15:32.043160Z"},"content_sha256":"25e769c8f25b5cf93f675bb302b369377d3844b2df9b9052bf8a86b06db11675","schema_version":"1.0","event_id":"sha256:25e769c8f25b5cf93f675bb302b369377d3844b2df9b9052bf8a86b06db11675"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/bundle.json","state_url":"https://pith.science/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/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":"2026-06-11T07:15:32Z","links":{"resolver":"https://pith.science/pith/J3BVBQR7U24JORH3YVDXJ2CB7B","bundle":"https://pith.science/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/bundle.json","state":"https://pith.science/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3BVBQR7U24JORH3YVDXJ2CB7B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:J3BVBQR7U24JORH3YVDXJ2CB7B","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":"ed88c6ced41ce6925480b50fc1f0a632b3d694c6ebf327ec17d16dbf47b3b42b","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-15T13:26:14Z","title_canon_sha256":"49580f28c97cffb40f3eb8f5ed0182190e8a945ec40b78626ca917f55d3c4e0d"},"schema_version":"1.0","source":{"id":"1601.03908","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03908","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03908v3","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03908","created_at":"2026-05-18T01:13:15Z"},{"alias_kind":"pith_short_12","alias_value":"J3BVBQR7U24J","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J3BVBQR7U24JORH3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J3BVBQR7","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:25e769c8f25b5cf93f675bb302b369377d3844b2df9b9052bf8a86b06db11675","target":"graph","created_at":"2026-05-18T01:13:15Z","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":"Coherent conversion of microwave and optical photons in the single-quantum level can significantly expand our ability to process signals in various fields. Efficient up-conversion of a feeble signal in the microwave domain to the optical domain will lead to quantum-noise-limited microwave amplifiers. Coherent exchange between optical photons and microwave photons will also be a stepping stone to realize long-distance quantum communication. Here we demonstrate bidirectional and coherent conversion between microwave and light using collective spin excitations in a ferromagnet. The converter cons","authors_text":"Alto Osada, Atsushi Noguchi, Koji Usami, Rekishu Yamazaki, Ryusuke Hisatomi, Toyofumi Ishikawa, Yasunobu Nakamura, Yutaka Tabuchi","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-15T13:26:14Z","title":"Bidirectional conversion between microwave and light via ferromagnetic magnons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03908","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:b7c44c25a4df2d7cea7a7e86f4846a2cb50ac6181ffba5c0c9c4169c44aa9983","target":"record","created_at":"2026-05-18T01:13:15Z","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":"ed88c6ced41ce6925480b50fc1f0a632b3d694c6ebf327ec17d16dbf47b3b42b","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-15T13:26:14Z","title_canon_sha256":"49580f28c97cffb40f3eb8f5ed0182190e8a945ec40b78626ca917f55d3c4e0d"},"schema_version":"1.0","source":{"id":"1601.03908","kind":"arxiv","version":3}},"canonical_sha256":"4ec350c23fa6b89744fbc54774e841f86759f2f0d6661d04f1116d5c9ee0b332","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ec350c23fa6b89744fbc54774e841f86759f2f0d6661d04f1116d5c9ee0b332","first_computed_at":"2026-05-18T01:13:15.673199Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:15.673199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HXbp8pz9rOMVIXtaxkgTE+Wyjmc4a2obLoE8H1yPKIOWtV5gedILPnmBusR11Eqa7b0NWHWMGAWdh5YArbmQBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:15.673559Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.03908","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7c44c25a4df2d7cea7a7e86f4846a2cb50ac6181ffba5c0c9c4169c44aa9983","sha256:25e769c8f25b5cf93f675bb302b369377d3844b2df9b9052bf8a86b06db11675"],"state_sha256":"01b88958727f133ab1fad934b3430f76bdb76451853006a058fdc37bba9d5186"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iAfo1Lgh4Ne6NYNvVj7pCD2shzmkwdRQfDtxkn9m+sow+r47IfEDlyFd9XLgExAbsTdpS+TldivS3pn/uQfVBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T07:15:32.047819Z","bundle_sha256":"847488422f0b3ce84702667b15b41fc1a9445b6444aa0b06ed6e14b87730864b"}}