{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AR4P4TMCCCTAJIZILLCYYFTBFN","short_pith_number":"pith:AR4P4TMC","canonical_record":{"source":{"id":"2607.18740","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-21T06:03:38Z","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"title_canon_sha256":"1ce5de94e8ef94f7f531500e48d72f54f035172f058f792c546f5b2b9162c231","abstract_canon_sha256":"904367072fc24578a19cba3aff671e0246a540c1dbde58cdba82763e27e95728"},"schema_version":"1.0"},"canonical_sha256":"0478fe4d8210a604a3285ac58c16612b5a517f662fdfc05fc0e4249b1446a8f0","source":{"kind":"arxiv","id":"2607.18740","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.18740","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"arxiv_version","alias_value":"2607.18740v1","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.18740","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_12","alias_value":"AR4P4TMCCCTA","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_16","alias_value":"AR4P4TMCCCTAJIZI","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_8","alias_value":"AR4P4TMC","created_at":"2026-07-22T01:23:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AR4P4TMCCCTAJIZILLCYYFTBFN","target":"record","payload":{"canonical_record":{"source":{"id":"2607.18740","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-21T06:03:38Z","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"title_canon_sha256":"1ce5de94e8ef94f7f531500e48d72f54f035172f058f792c546f5b2b9162c231","abstract_canon_sha256":"904367072fc24578a19cba3aff671e0246a540c1dbde58cdba82763e27e95728"},"schema_version":"1.0"},"canonical_sha256":"0478fe4d8210a604a3285ac58c16612b5a517f662fdfc05fc0e4249b1446a8f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-22T01:23:09.362962Z","signature_b64":"q3LfvJ5wXY2UldxFM6OFOr63hLY+TRL+0hoqYDosZKSxgD36kuoiqakT15ZVw4xezrLLXCeKObAaBwKQNf+HAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0478fe4d8210a604a3285ac58c16612b5a517f662fdfc05fc0e4249b1446a8f0","last_reissued_at":"2026-07-22T01:23:09.362041Z","signature_status":"signed_v1","first_computed_at":"2026-07-22T01:23:09.362041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.18740","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":"2026-07-22T01:23:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gl98B80K5q57W2HuJvLwNLsP8dYRY3AYZBsufGeXC1Q4zbVE0F/Lnyp+uaNddHQKvodNlvUKui1i+NoesLp1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:00:51.724930Z"},"content_sha256":"db52cf481ab30fc9de2603c5e02d8e2728220d79a8e650af813cffcfd8bb870b","schema_version":"1.0","event_id":"sha256:db52cf481ab30fc9de2603c5e02d8e2728220d79a8e650af813cffcfd8bb870b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AR4P4TMCCCTAJIZILLCYYFTBFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum sensing of low-frequency electric signal enabled by modulated auxiliary field in Rydberg atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.ins-det"],"primary_cat":"quant-ph","authors_text":"Jialiang Zhang, Jiatian Liu, Qichao Qi, Shenchao Jin, Xiayang Fan, Yuan Sun","submitted_at":"2026-07-21T06:03:38Z","abstract_excerpt":"Rydberg atoms have emerged as a versatile and efficient platform for high-sensitivity quantum sensing of free-space electric fields, with remarkable progress in detecting low-frequency signals. To date, low-frequency Rydberg receivers have relied on a constant bias field, typically realized via intra-cell electrodes or Rydberg plasmas generated by photoelectric effects or inter-atomic interactions. While these approaches improve sensitivity, they suffer from inherent challenges in calibration, long-term stability, and robustness, hindering practical deployment. Here, we propose, design, and ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.18740","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/2607.18740/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":"2026-07-22T01:23:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zWIFQkuNKegkH8Tw+55TfU7hPJuKV3tKybzQp5IXErLnBZvCBXmlVzvgvSpjd/9yGZ8m/+PNOkYhbTrwZPcGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:00:51.725442Z"},"content_sha256":"4f1bafeacd141fd25eeef5e9225b10ec203af704a1f48935497b4bcc46011c6d","schema_version":"1.0","event_id":"sha256:4f1bafeacd141fd25eeef5e9225b10ec203af704a1f48935497b4bcc46011c6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/bundle.json","state_url":"https://pith.science/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/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":"2026-08-18T13:00:51Z","links":{"resolver":"https://pith.science/pith/AR4P4TMCCCTAJIZILLCYYFTBFN","bundle":"https://pith.science/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/bundle.json","state":"https://pith.science/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AR4P4TMCCCTAJIZILLCYYFTBFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AR4P4TMCCCTAJIZILLCYYFTBFN","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":"904367072fc24578a19cba3aff671e0246a540c1dbde58cdba82763e27e95728","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-21T06:03:38Z","title_canon_sha256":"1ce5de94e8ef94f7f531500e48d72f54f035172f058f792c546f5b2b9162c231"},"schema_version":"1.0","source":{"id":"2607.18740","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.18740","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"arxiv_version","alias_value":"2607.18740v1","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.18740","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_12","alias_value":"AR4P4TMCCCTA","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_16","alias_value":"AR4P4TMCCCTAJIZI","created_at":"2026-07-22T01:23:09Z"},{"alias_kind":"pith_short_8","alias_value":"AR4P4TMC","created_at":"2026-07-22T01:23:09Z"}],"graph_snapshots":[{"event_id":"sha256:4f1bafeacd141fd25eeef5e9225b10ec203af704a1f48935497b4bcc46011c6d","target":"graph","created_at":"2026-07-22T01:23:09Z","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/2607.18740/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rydberg atoms have emerged as a versatile and efficient platform for high-sensitivity quantum sensing of free-space electric fields, with remarkable progress in detecting low-frequency signals. To date, low-frequency Rydberg receivers have relied on a constant bias field, typically realized via intra-cell electrodes or Rydberg plasmas generated by photoelectric effects or inter-atomic interactions. While these approaches improve sensitivity, they suffer from inherent challenges in calibration, long-term stability, and robustness, hindering practical deployment. Here, we propose, design, and ex","authors_text":"Jialiang Zhang, Jiatian Liu, Qichao Qi, Shenchao Jin, Xiayang Fan, Yuan Sun","cross_cats":["physics.atom-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-21T06:03:38Z","title":"Quantum sensing of low-frequency electric signal enabled by modulated auxiliary field in Rydberg atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.18740","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:db52cf481ab30fc9de2603c5e02d8e2728220d79a8e650af813cffcfd8bb870b","target":"record","created_at":"2026-07-22T01:23:09Z","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":"904367072fc24578a19cba3aff671e0246a540c1dbde58cdba82763e27e95728","cross_cats_sorted":["physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-21T06:03:38Z","title_canon_sha256":"1ce5de94e8ef94f7f531500e48d72f54f035172f058f792c546f5b2b9162c231"},"schema_version":"1.0","source":{"id":"2607.18740","kind":"arxiv","version":1}},"canonical_sha256":"0478fe4d8210a604a3285ac58c16612b5a517f662fdfc05fc0e4249b1446a8f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0478fe4d8210a604a3285ac58c16612b5a517f662fdfc05fc0e4249b1446a8f0","first_computed_at":"2026-07-22T01:23:09.362041Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-22T01:23:09.362041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q3LfvJ5wXY2UldxFM6OFOr63hLY+TRL+0hoqYDosZKSxgD36kuoiqakT15ZVw4xezrLLXCeKObAaBwKQNf+HAQ==","signature_status":"signed_v1","signed_at":"2026-07-22T01:23:09.362962Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.18740","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db52cf481ab30fc9de2603c5e02d8e2728220d79a8e650af813cffcfd8bb870b","sha256:4f1bafeacd141fd25eeef5e9225b10ec203af704a1f48935497b4bcc46011c6d"],"state_sha256":"6bba5c12e7b708b6f9775f63febce2541ec54c25a1500c54ba6223c5d9d63d9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qtKRIgwK5wv9sEMSQFsgZj+4DKfxgPsLc/nygooFFvkLveIiyw/0o1yZYVdLbiUs0Ep0fct6rz0B6D7FxP7/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T13:00:51.729645Z","bundle_sha256":"7c0f1cfb9e07706c0ee48ff7d396b07d36f422b5bcb59ee5a327491ca002189d"}}