{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EDKYNWFKLOXJGRKPBCA6BVLCIN","short_pith_number":"pith:EDKYNWFK","canonical_record":{"source":{"id":"1801.05865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-17T21:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"5414c04b13e422531856c21e187a8c4af388c6613f190de1a868c82bcc745af5","abstract_canon_sha256":"a40967fa00cbf68190773909acb32d11cb4caf6506d98b5667d863e78c2c005b"},"schema_version":"1.0"},"canonical_sha256":"20d586d8aa5bae93454f0881e0d56243554dc23a53676cfe6f87c3791eb423f5","source":{"kind":"arxiv","id":"1801.05865","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05865","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05865v1","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05865","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"pith_short_12","alias_value":"EDKYNWFKLOXJ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EDKYNWFKLOXJGRKP","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EDKYNWFK","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EDKYNWFKLOXJGRKPBCA6BVLCIN","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-17T21:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"5414c04b13e422531856c21e187a8c4af388c6613f190de1a868c82bcc745af5","abstract_canon_sha256":"a40967fa00cbf68190773909acb32d11cb4caf6506d98b5667d863e78c2c005b"},"schema_version":"1.0"},"canonical_sha256":"20d586d8aa5bae93454f0881e0d56243554dc23a53676cfe6f87c3791eb423f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:36.377418Z","signature_b64":"5iBkGk9hfzRpiksMRWzL2EG/vaPQRN4+LKjWhLVeFQuN6HKSmUjjOianf8ykuXwKExTTHhkRzMk8fLdW0iKtAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20d586d8aa5bae93454f0881e0d56243554dc23a53676cfe6f87c3791eb423f5","last_reissued_at":"2026-05-18T00:25:36.376757Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:36.376757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05865","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":"2026-05-18T00:25:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ywab85zhREpwnzPv9puafcJJBDqtfsK2n4BmMZUjAKhlpYCOvVlUBMcu9HkbyOG5iK6n/4IzNRuq9MbSfzMbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:42:06.134617Z"},"content_sha256":"0a03a63ee3b227ced61a5dd370d2fea1f4d2f2e804c60dc96e091631844b5a86","schema_version":"1.0","event_id":"sha256:0a03a63ee3b227ced61a5dd370d2fea1f4d2f2e804c60dc96e091631844b5a86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EDKYNWFKLOXJGRKPBCA6BVLCIN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AC Magnetic Field Sensing Using Continuous-Wave Optically Detected Magnetic Resonance of Nitrogen Vacancy Centers in Diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hideyuki Watanabe, Ikuya Hanano, Junko Ishi-Hayase, Norikazu Mizuochi, Shiro Saito, Soya Saijo, Yuichiro Matsuzaki","submitted_at":"2018-01-17T21:00:24Z","abstract_excerpt":"Nitrogen-vacancy (NV) centers in diamond are considered sensors for detecting magnetic fields. Pulsed optically detected magnetic resonance (ODMR) is typically used to detect AC magnetic fields; however, this technique can only be implemented after careful calibration that involves aligning an external static magnetic field, measuring continuous-wave (CW) ODMR, determining the Rabi frequency, and setting the microwave phase. In contrast, CW-ODMR can be simply implemented by continuous application of green CW laser and a microwave filed. In this letter, we report a method that uses NV centers a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05865","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":"2026-05-18T00:25:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ijR2jvLqhzwFnOtwrM32cT6OlV53TJUM2P6dxySyKZPR+eLULDmpJwoBVFNlC/xj/HhBbZyeFke387LrpJN/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:42:06.135368Z"},"content_sha256":"5541d7945a5a5806885110b5e2c01ca6f82304ff62238d0a0f114f06bbe31eb6","schema_version":"1.0","event_id":"sha256:5541d7945a5a5806885110b5e2c01ca6f82304ff62238d0a0f114f06bbe31eb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/bundle.json","state_url":"https://pith.science/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/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":"2026-05-25T16:42:06Z","links":{"resolver":"https://pith.science/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN","bundle":"https://pith.science/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/bundle.json","state":"https://pith.science/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EDKYNWFKLOXJGRKPBCA6BVLCIN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EDKYNWFKLOXJGRKPBCA6BVLCIN","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":"a40967fa00cbf68190773909acb32d11cb4caf6506d98b5667d863e78c2c005b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-17T21:00:24Z","title_canon_sha256":"5414c04b13e422531856c21e187a8c4af388c6613f190de1a868c82bcc745af5"},"schema_version":"1.0","source":{"id":"1801.05865","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05865","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05865v1","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05865","created_at":"2026-05-18T00:25:36Z"},{"alias_kind":"pith_short_12","alias_value":"EDKYNWFKLOXJ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EDKYNWFKLOXJGRKP","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EDKYNWFK","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:5541d7945a5a5806885110b5e2c01ca6f82304ff62238d0a0f114f06bbe31eb6","target":"graph","created_at":"2026-05-18T00:25:36Z","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":"Nitrogen-vacancy (NV) centers in diamond are considered sensors for detecting magnetic fields. Pulsed optically detected magnetic resonance (ODMR) is typically used to detect AC magnetic fields; however, this technique can only be implemented after careful calibration that involves aligning an external static magnetic field, measuring continuous-wave (CW) ODMR, determining the Rabi frequency, and setting the microwave phase. In contrast, CW-ODMR can be simply implemented by continuous application of green CW laser and a microwave filed. In this letter, we report a method that uses NV centers a","authors_text":"Hideyuki Watanabe, Ikuya Hanano, Junko Ishi-Hayase, Norikazu Mizuochi, Shiro Saito, Soya Saijo, Yuichiro Matsuzaki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-17T21:00:24Z","title":"AC Magnetic Field Sensing Using Continuous-Wave Optically Detected Magnetic Resonance of Nitrogen Vacancy Centers in Diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05865","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":"sha256:0a03a63ee3b227ced61a5dd370d2fea1f4d2f2e804c60dc96e091631844b5a86","target":"record","created_at":"2026-05-18T00:25:36Z","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":"a40967fa00cbf68190773909acb32d11cb4caf6506d98b5667d863e78c2c005b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-17T21:00:24Z","title_canon_sha256":"5414c04b13e422531856c21e187a8c4af388c6613f190de1a868c82bcc745af5"},"schema_version":"1.0","source":{"id":"1801.05865","kind":"arxiv","version":1}},"canonical_sha256":"20d586d8aa5bae93454f0881e0d56243554dc23a53676cfe6f87c3791eb423f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20d586d8aa5bae93454f0881e0d56243554dc23a53676cfe6f87c3791eb423f5","first_computed_at":"2026-05-18T00:25:36.376757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:36.376757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5iBkGk9hfzRpiksMRWzL2EG/vaPQRN4+LKjWhLVeFQuN6HKSmUjjOianf8ykuXwKExTTHhkRzMk8fLdW0iKtAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:36.377418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05865","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a03a63ee3b227ced61a5dd370d2fea1f4d2f2e804c60dc96e091631844b5a86","sha256:5541d7945a5a5806885110b5e2c01ca6f82304ff62238d0a0f114f06bbe31eb6"],"state_sha256":"5987f46c1b1ade0def39811faf75e8dd07d29cb479316fbda7bae99e29aca76c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zC7hkxk7HsFgFCHR986tZsrtN9k15Sfi1kOFYZPnQ8DOzrlSG7z1Q0UXL0x4R5O8zVg2hUpMUY56YoppB9Y1BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:42:06.139191Z","bundle_sha256":"4a1e07b94efecb1b2d8870438ef895fb43feed0270b2018690dbe9ad46b11abe"}}