{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:OTGPMKNX2DQDQ22U25Q234I6JY","short_pith_number":"pith:OTGPMKNX","canonical_record":{"source":{"id":"2101.01811","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-03T14:41:49Z","cross_cats_sorted":[],"title_canon_sha256":"7e4ccc84571a7dbe92c6cf18b005cc45fa3411fd0504677b2b6c3a1e2dbd9d5d","abstract_canon_sha256":"12ee8f3232898587dffc8160c887c01a13e63c1842b50c3e2a5e02ae23ff2192"},"schema_version":"1.0"},"canonical_sha256":"74ccf629b7d0e0386b54d761adf11e4e034507046786b16e8e462c8d18d056f1","source":{"kind":"arxiv","id":"2101.01811","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.01811","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"arxiv_version","alias_value":"2101.01811v1","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.01811","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_12","alias_value":"OTGPMKNX2DQD","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_16","alias_value":"OTGPMKNX2DQDQ22U","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_8","alias_value":"OTGPMKNX","created_at":"2026-07-05T02:05:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:OTGPMKNX2DQDQ22U25Q234I6JY","target":"record","payload":{"canonical_record":{"source":{"id":"2101.01811","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-03T14:41:49Z","cross_cats_sorted":[],"title_canon_sha256":"7e4ccc84571a7dbe92c6cf18b005cc45fa3411fd0504677b2b6c3a1e2dbd9d5d","abstract_canon_sha256":"12ee8f3232898587dffc8160c887c01a13e63c1842b50c3e2a5e02ae23ff2192"},"schema_version":"1.0"},"canonical_sha256":"74ccf629b7d0e0386b54d761adf11e4e034507046786b16e8e462c8d18d056f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:05:00.512154Z","signature_b64":"ZFPno7jpgJ3ZUqRWaB3QRLNjvc63susiFPFTRfOSFrKoNbx8Bg4BPY4LCIfJ1YqNlLWaKgtRwNC74yHp1pdaCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74ccf629b7d0e0386b54d761adf11e4e034507046786b16e8e462c8d18d056f1","last_reissued_at":"2026-07-05T02:05:00.511692Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:05:00.511692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.01811","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":"2026-07-05T02:05:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NUOoYDf8MuCZF9YVvvZ5DeNqa9U5G+UJmYumNSAgYExFAoy/jAYnmkaUHD0c10OlnU4hriuLcXh6TYPiPCBEBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:29:25.045822Z"},"content_sha256":"cb475e4c814da94561f150b38e3ec3dab46edefd41e7c548d575d8505bac7bb1","schema_version":"1.0","event_id":"sha256:cb475e4c814da94561f150b38e3ec3dab46edefd41e7c548d575d8505bac7bb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:OTGPMKNX2DQDQ22U25Q234I6JY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A single beam Cs-Ne SERF magnetometer with differential laser power noise suppression method","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Libo Zhao, Minzhi Yu, Ning Zhang, Xiangguang Han, Yao Chen, Yintao Ma, Zhuangde Jiang","submitted_at":"2021-01-03T14:41:49Z","abstract_excerpt":"We describe a single beam compact Spin Exchange Relaxation Free(SERF) magnetometer whose configuration is compatible with the silicon-glass bonding micro-machining method. A cylindrical vapor cell with 3mm diameter and 3mm in length is utilized in the magnetometer. In order to reduce the wall relaxation which could not be neglected in micro-machined SERF magnetometer, 3 Amagats(1Amagat=2.69$\\times$ 10$^{19}$/cm$^3$) neon buffer gas is filled in the vapor cell and this is the first demonstration of a Cs-Ne SERF magnetometer. We also did a simulation to show that neon is a better buffer gas than"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.01811","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/2101.01811/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":"2026-07-05T02:05:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zrRXnLQjXAHJDNjefWUE3W9oAw2J6EoXloQClzey19tXMlaFgOzthfXPcdWazAU03M3y+vuNoEfCqRnhlOaIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:29:25.046318Z"},"content_sha256":"e509a52a868a2cfdb2bf5792987fdd50e2aa1251b68f11367bec424586bb83c7","schema_version":"1.0","event_id":"sha256:e509a52a868a2cfdb2bf5792987fdd50e2aa1251b68f11367bec424586bb83c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OTGPMKNX2DQDQ22U25Q234I6JY/bundle.json","state_url":"https://pith.science/pith/OTGPMKNX2DQDQ22U25Q234I6JY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OTGPMKNX2DQDQ22U25Q234I6JY/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":"2026-08-22T00:29:25Z","links":{"resolver":"https://pith.science/pith/OTGPMKNX2DQDQ22U25Q234I6JY","bundle":"https://pith.science/pith/OTGPMKNX2DQDQ22U25Q234I6JY/bundle.json","state":"https://pith.science/pith/OTGPMKNX2DQDQ22U25Q234I6JY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OTGPMKNX2DQDQ22U25Q234I6JY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:OTGPMKNX2DQDQ22U25Q234I6JY","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":"12ee8f3232898587dffc8160c887c01a13e63c1842b50c3e2a5e02ae23ff2192","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-03T14:41:49Z","title_canon_sha256":"7e4ccc84571a7dbe92c6cf18b005cc45fa3411fd0504677b2b6c3a1e2dbd9d5d"},"schema_version":"1.0","source":{"id":"2101.01811","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.01811","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"arxiv_version","alias_value":"2101.01811v1","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.01811","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_12","alias_value":"OTGPMKNX2DQD","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_16","alias_value":"OTGPMKNX2DQDQ22U","created_at":"2026-07-05T02:05:00Z"},{"alias_kind":"pith_short_8","alias_value":"OTGPMKNX","created_at":"2026-07-05T02:05:00Z"}],"graph_snapshots":[{"event_id":"sha256:e509a52a868a2cfdb2bf5792987fdd50e2aa1251b68f11367bec424586bb83c7","target":"graph","created_at":"2026-07-05T02:05:00Z","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/2101.01811/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a single beam compact Spin Exchange Relaxation Free(SERF) magnetometer whose configuration is compatible with the silicon-glass bonding micro-machining method. A cylindrical vapor cell with 3mm diameter and 3mm in length is utilized in the magnetometer. In order to reduce the wall relaxation which could not be neglected in micro-machined SERF magnetometer, 3 Amagats(1Amagat=2.69$\\times$ 10$^{19}$/cm$^3$) neon buffer gas is filled in the vapor cell and this is the first demonstration of a Cs-Ne SERF magnetometer. We also did a simulation to show that neon is a better buffer gas than","authors_text":"Libo Zhao, Minzhi Yu, Ning Zhang, Xiangguang Han, Yao Chen, Yintao Ma, Zhuangde Jiang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-03T14:41:49Z","title":"A single beam Cs-Ne SERF magnetometer with differential laser power noise suppression method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.01811","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:cb475e4c814da94561f150b38e3ec3dab46edefd41e7c548d575d8505bac7bb1","target":"record","created_at":"2026-07-05T02:05:00Z","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":"12ee8f3232898587dffc8160c887c01a13e63c1842b50c3e2a5e02ae23ff2192","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-03T14:41:49Z","title_canon_sha256":"7e4ccc84571a7dbe92c6cf18b005cc45fa3411fd0504677b2b6c3a1e2dbd9d5d"},"schema_version":"1.0","source":{"id":"2101.01811","kind":"arxiv","version":1}},"canonical_sha256":"74ccf629b7d0e0386b54d761adf11e4e034507046786b16e8e462c8d18d056f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74ccf629b7d0e0386b54d761adf11e4e034507046786b16e8e462c8d18d056f1","first_computed_at":"2026-07-05T02:05:00.511692Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:05:00.511692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZFPno7jpgJ3ZUqRWaB3QRLNjvc63susiFPFTRfOSFrKoNbx8Bg4BPY4LCIfJ1YqNlLWaKgtRwNC74yHp1pdaCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:05:00.512154Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.01811","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb475e4c814da94561f150b38e3ec3dab46edefd41e7c548d575d8505bac7bb1","sha256:e509a52a868a2cfdb2bf5792987fdd50e2aa1251b68f11367bec424586bb83c7"],"state_sha256":"f89491767046984ef57c1dcc78d2dcc6eed707c6b536ffbb7b831d24e55dc3e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pVqTQ6CRAnRf/8isCFXceksUzVm7LBtO7WJNh/eY4jyUwbgg89liwry3B3+NcwzjxmLf2iJjpEG5gPa2ZEPVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T00:29:25.051468Z","bundle_sha256":"a12d0e3e14631e346539bdb441dd3426db5d366f3dde9bdf056f26a5189b8162"}}