{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TL5RAU2CY74U67NMX2TFUU2AIV","short_pith_number":"pith:TL5RAU2C","canonical_record":{"source":{"id":"2606.05928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-04T09:31:47Z","cross_cats_sorted":[],"title_canon_sha256":"5c38596374125612a5dca5415432eb4f92e11c8ebc6f53336caabefbe72b7f16","abstract_canon_sha256":"f254beb25fc840b69f207e8e927192aadb00dd44b052f3c7b80e20c76a51183c"},"schema_version":"1.0"},"canonical_sha256":"9afb105342c7f94f7dacbea65a53404540f378b73610356ee9b383913606f9e4","source":{"kind":"arxiv","id":"2606.05928","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.05928","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"2606.05928v1","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.05928","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"TL5RAU2CY74U","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_16","alias_value":"TL5RAU2CY74U67NM","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_8","alias_value":"TL5RAU2C","created_at":"2026-06-05T01:15:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TL5RAU2CY74U67NMX2TFUU2AIV","target":"record","payload":{"canonical_record":{"source":{"id":"2606.05928","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-04T09:31:47Z","cross_cats_sorted":[],"title_canon_sha256":"5c38596374125612a5dca5415432eb4f92e11c8ebc6f53336caabefbe72b7f16","abstract_canon_sha256":"f254beb25fc840b69f207e8e927192aadb00dd44b052f3c7b80e20c76a51183c"},"schema_version":"1.0"},"canonical_sha256":"9afb105342c7f94f7dacbea65a53404540f378b73610356ee9b383913606f9e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-05T01:15:27.984235Z","signature_b64":"GkEmok2afA1NlvkY1XLjw6BdcdsauWSTIOTPXt6mRkDam2CFd6n321+tan07uAthg43miCdN8jPXhOmSmrR5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9afb105342c7f94f7dacbea65a53404540f378b73610356ee9b383913606f9e4","last_reissued_at":"2026-06-05T01:15:27.983813Z","signature_status":"signed_v1","first_computed_at":"2026-06-05T01:15:27.983813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.05928","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":"2026-06-05T01:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oFMjBFNkNmGCwp6V3At99pyeOgAce+nMbAsdB15U93EpAP+7uwyn2T33tmGPjhRPV3O/pHSjdNeUtqexQeSiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:14:34.612246Z"},"content_sha256":"738265d0739f0491319f7cf691e702246e46ee18849e2f742385ae17e00a35dd","schema_version":"1.0","event_id":"sha256:738265d0739f0491319f7cf691e702246e46ee18849e2f742385ae17e00a35dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TL5RAU2CY74U67NMX2TFUU2AIV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadband AC Magnetic Field Sensing via Continuous wave optically detected magnetic resonance with NV Centers in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Junko Ishi-Hayase, Miku Ishizaki, Ryohei Dokai, Ryusei Okaniwa, Yuichiro Matsuzaki","submitted_at":"2026-06-04T09:31:47Z","abstract_excerpt":"The nitrogen-vacancy (NV) center in diamond has attracted considerable attention as a highly sensitive quantum sensor that can operate at room temperature. In particular, continuous-wave optically detected magnetic resonance (CW-ODMR) is promising for a wide range of applications because of its simplicity. However, conventional AC magnetic-field sensing schemes based on CW-ODMR suffer from a limited detection bandwidth: the detectable frequency is either fixed by intrinsic physical parameters of the NV center or, even when tunable, restricted to a narrow range of only a few MHz. Here, we propo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.05928","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.05928/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-05T01:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2e0ZKBJlMPWDVxVqAmhqhxiCyUYvfZKHYYGKU5DvoEDGftRrJ17yhqIbpTPXNU5qoIj4wKcllboHgHx6qYBpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T17:14:34.613216Z"},"content_sha256":"6c4e0541e6cf142b0f6478321d0c43df48909ef2cad50219d314183da1c5a414","schema_version":"1.0","event_id":"sha256:6c4e0541e6cf142b0f6478321d0c43df48909ef2cad50219d314183da1c5a414"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TL5RAU2CY74U67NMX2TFUU2AIV/bundle.json","state_url":"https://pith.science/pith/TL5RAU2CY74U67NMX2TFUU2AIV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TL5RAU2CY74U67NMX2TFUU2AIV/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":"2026-08-07T17:14:34Z","links":{"resolver":"https://pith.science/pith/TL5RAU2CY74U67NMX2TFUU2AIV","bundle":"https://pith.science/pith/TL5RAU2CY74U67NMX2TFUU2AIV/bundle.json","state":"https://pith.science/pith/TL5RAU2CY74U67NMX2TFUU2AIV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TL5RAU2CY74U67NMX2TFUU2AIV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TL5RAU2CY74U67NMX2TFUU2AIV","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":"f254beb25fc840b69f207e8e927192aadb00dd44b052f3c7b80e20c76a51183c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-04T09:31:47Z","title_canon_sha256":"5c38596374125612a5dca5415432eb4f92e11c8ebc6f53336caabefbe72b7f16"},"schema_version":"1.0","source":{"id":"2606.05928","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.05928","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"2606.05928v1","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.05928","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"TL5RAU2CY74U","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_16","alias_value":"TL5RAU2CY74U67NM","created_at":"2026-06-05T01:15:27Z"},{"alias_kind":"pith_short_8","alias_value":"TL5RAU2C","created_at":"2026-06-05T01:15:27Z"}],"graph_snapshots":[{"event_id":"sha256:6c4e0541e6cf142b0f6478321d0c43df48909ef2cad50219d314183da1c5a414","target":"graph","created_at":"2026-06-05T01:15:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.05928/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The nitrogen-vacancy (NV) center in diamond has attracted considerable attention as a highly sensitive quantum sensor that can operate at room temperature. In particular, continuous-wave optically detected magnetic resonance (CW-ODMR) is promising for a wide range of applications because of its simplicity. However, conventional AC magnetic-field sensing schemes based on CW-ODMR suffer from a limited detection bandwidth: the detectable frequency is either fixed by intrinsic physical parameters of the NV center or, even when tunable, restricted to a narrow range of only a few MHz. Here, we propo","authors_text":"Junko Ishi-Hayase, Miku Ishizaki, Ryohei Dokai, Ryusei Okaniwa, Yuichiro Matsuzaki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-04T09:31:47Z","title":"Broadband AC Magnetic Field Sensing via Continuous wave optically detected magnetic resonance with NV Centers in diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.05928","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":"sha256:738265d0739f0491319f7cf691e702246e46ee18849e2f742385ae17e00a35dd","target":"record","created_at":"2026-06-05T01:15:27Z","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":"f254beb25fc840b69f207e8e927192aadb00dd44b052f3c7b80e20c76a51183c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-04T09:31:47Z","title_canon_sha256":"5c38596374125612a5dca5415432eb4f92e11c8ebc6f53336caabefbe72b7f16"},"schema_version":"1.0","source":{"id":"2606.05928","kind":"arxiv","version":1}},"canonical_sha256":"9afb105342c7f94f7dacbea65a53404540f378b73610356ee9b383913606f9e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9afb105342c7f94f7dacbea65a53404540f378b73610356ee9b383913606f9e4","first_computed_at":"2026-06-05T01:15:27.983813Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-05T01:15:27.983813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GkEmok2afA1NlvkY1XLjw6BdcdsauWSTIOTPXt6mRkDam2CFd6n321+tan07uAthg43miCdN8jPXhOmSmrR5BQ==","signature_status":"signed_v1","signed_at":"2026-06-05T01:15:27.984235Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.05928","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:738265d0739f0491319f7cf691e702246e46ee18849e2f742385ae17e00a35dd","sha256:6c4e0541e6cf142b0f6478321d0c43df48909ef2cad50219d314183da1c5a414"],"state_sha256":"07c7ba6ca2b215cd7e7212c9bc24803aeb2d627e33980d800482936178391dd3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jaNezlTies5fzIzDg+dMNkRjrQNuxAbmcH2ct+Vzr+wnbDYIrvR0xA7TKycl896kBCmFhHcRzOEsBypJOIr+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T17:14:34.628741Z","bundle_sha256":"df3b4d4b9ca2518e9c03897df5e5ad5cede7ad967fe4f63366998aabbad6a263"}}