{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:D53L2Q6F2A37WUMOILUXD3ML3J","short_pith_number":"pith:D53L2Q6F","canonical_record":{"source":{"id":"1602.08569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-02-27T08:39:12Z","cross_cats_sorted":[],"title_canon_sha256":"fa5076f84ebd6c8759fe9cf5908855e9d741cca0d860e4de4a8dc2c179331e92","abstract_canon_sha256":"2ee0d6547f1591a4cb4c1607e4f4b18b2f90a6b1c9db1ad81cc97623282d15fa"},"schema_version":"1.0"},"canonical_sha256":"1f76bd43c5d037fb518e42e971ed8bda560e8c344dd95c37107201f1199c14ee","source":{"kind":"arxiv","id":"1602.08569","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08569","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08569v2","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08569","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"pith_short_12","alias_value":"D53L2Q6F2A37","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D53L2Q6F2A37WUMO","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D53L2Q6F","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:D53L2Q6F2A37WUMOILUXD3ML3J","target":"record","payload":{"canonical_record":{"source":{"id":"1602.08569","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-02-27T08:39:12Z","cross_cats_sorted":[],"title_canon_sha256":"fa5076f84ebd6c8759fe9cf5908855e9d741cca0d860e4de4a8dc2c179331e92","abstract_canon_sha256":"2ee0d6547f1591a4cb4c1607e4f4b18b2f90a6b1c9db1ad81cc97623282d15fa"},"schema_version":"1.0"},"canonical_sha256":"1f76bd43c5d037fb518e42e971ed8bda560e8c344dd95c37107201f1199c14ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:12.174839Z","signature_b64":"vkHRJm7aXqKG5uazf3GHyLek1jwkU7TQVPo762DsCDcZdIZ5q1Mcljm6+Ea/110uUWV/fwRH1RXyebomELDUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f76bd43c5d037fb518e42e971ed8bda560e8c344dd95c37107201f1199c14ee","last_reissued_at":"2026-05-18T01:12:12.174162Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:12.174162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.08569","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lT6Vm/65VfhUFon/MURWOA4iGZ/DaSlj5/KAqA7NzLw+YPuo/LRiLP30P9+RgstPtmpIiqZ9yjnagQq7QyfeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:55:33.706254Z"},"content_sha256":"c6d15029b39ee76f3f39bc86c21c31c073b92b54bed61444aee2e42497bc34cc","schema_version":"1.0","event_id":"sha256:c6d15029b39ee76f3f39bc86c21c31c073b92b54bed61444aee2e42497bc34cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:D53L2Q6F2A37WUMOILUXD3ML3J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extracting the differential phase in dual atom interferometers by modulating magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Da-Wei Li, Hong-Wei Song, Jia-Qi Zhong, Jin Wang, Lei Zhu, Ming-Sheng Zhan, Run-Bing Li, Xi Chen, Yu-Ping Wang","submitted_at":"2016-02-27T08:39:12Z","abstract_excerpt":"We present a new scheme for measuring the differential phase in dual atom interferometers. The magnetic field is modulated in one interferometer, and the differential phase can be extracted without measuring the amplitude of the magnetic field by combining the ellipse and linear fitting methods. The gravity gradient measurements are discussed based on dual atom interferometers. Numerical simulation shows that the systematic error of the differential phase measurement is largely decreased when the duration of the magnetic field is symmetrically modulated. This combined fitting scheme has a high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08569","kind":"arxiv","version":2},"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":"2026-05-18T01:12:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Yuu+ewfH815JPJMBGYMrvwmTH2wYkUrcSLEM+WnLD74ZA7C2T9uepxCOwpUYcp4hYZkL7ld1PnFYTfZY5zZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:55:33.706847Z"},"content_sha256":"bc9f96116af7ad13d4c84f53ae31a0dd3e2828f7e1ae837b152626c475114777","schema_version":"1.0","event_id":"sha256:bc9f96116af7ad13d4c84f53ae31a0dd3e2828f7e1ae837b152626c475114777"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D53L2Q6F2A37WUMOILUXD3ML3J/bundle.json","state_url":"https://pith.science/pith/D53L2Q6F2A37WUMOILUXD3ML3J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D53L2Q6F2A37WUMOILUXD3ML3J/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":"2026-05-31T00:55:33Z","links":{"resolver":"https://pith.science/pith/D53L2Q6F2A37WUMOILUXD3ML3J","bundle":"https://pith.science/pith/D53L2Q6F2A37WUMOILUXD3ML3J/bundle.json","state":"https://pith.science/pith/D53L2Q6F2A37WUMOILUXD3ML3J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D53L2Q6F2A37WUMOILUXD3ML3J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:D53L2Q6F2A37WUMOILUXD3ML3J","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":"2ee0d6547f1591a4cb4c1607e4f4b18b2f90a6b1c9db1ad81cc97623282d15fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-02-27T08:39:12Z","title_canon_sha256":"fa5076f84ebd6c8759fe9cf5908855e9d741cca0d860e4de4a8dc2c179331e92"},"schema_version":"1.0","source":{"id":"1602.08569","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08569","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08569v2","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08569","created_at":"2026-05-18T01:12:12Z"},{"alias_kind":"pith_short_12","alias_value":"D53L2Q6F2A37","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D53L2Q6F2A37WUMO","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D53L2Q6F","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:bc9f96116af7ad13d4c84f53ae31a0dd3e2828f7e1ae837b152626c475114777","target":"graph","created_at":"2026-05-18T01:12:12Z","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":"We present a new scheme for measuring the differential phase in dual atom interferometers. The magnetic field is modulated in one interferometer, and the differential phase can be extracted without measuring the amplitude of the magnetic field by combining the ellipse and linear fitting methods. The gravity gradient measurements are discussed based on dual atom interferometers. Numerical simulation shows that the systematic error of the differential phase measurement is largely decreased when the duration of the magnetic field is symmetrically modulated. This combined fitting scheme has a high","authors_text":"Da-Wei Li, Hong-Wei Song, Jia-Qi Zhong, Jin Wang, Lei Zhu, Ming-Sheng Zhan, Run-Bing Li, Xi Chen, Yu-Ping Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-02-27T08:39:12Z","title":"Extracting the differential phase in dual atom interferometers by modulating magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08569","kind":"arxiv","version":2},"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:c6d15029b39ee76f3f39bc86c21c31c073b92b54bed61444aee2e42497bc34cc","target":"record","created_at":"2026-05-18T01:12:12Z","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":"2ee0d6547f1591a4cb4c1607e4f4b18b2f90a6b1c9db1ad81cc97623282d15fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-02-27T08:39:12Z","title_canon_sha256":"fa5076f84ebd6c8759fe9cf5908855e9d741cca0d860e4de4a8dc2c179331e92"},"schema_version":"1.0","source":{"id":"1602.08569","kind":"arxiv","version":2}},"canonical_sha256":"1f76bd43c5d037fb518e42e971ed8bda560e8c344dd95c37107201f1199c14ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f76bd43c5d037fb518e42e971ed8bda560e8c344dd95c37107201f1199c14ee","first_computed_at":"2026-05-18T01:12:12.174162Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:12.174162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vkHRJm7aXqKG5uazf3GHyLek1jwkU7TQVPo762DsCDcZdIZ5q1Mcljm6+Ea/110uUWV/fwRH1RXyebomELDUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:12.174839Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.08569","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6d15029b39ee76f3f39bc86c21c31c073b92b54bed61444aee2e42497bc34cc","sha256:bc9f96116af7ad13d4c84f53ae31a0dd3e2828f7e1ae837b152626c475114777"],"state_sha256":"29bb9cac25dcf4d270ffe3249de64e30d1f9a5417449c3dda01a99b04af9d7ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gRVrPfZn8WzPpr2OTHyv4htDuMcNurGLMCFCQCyJ9CBUc0kXpAxo8jlBu1pZJkiysv+07zMq+B4NOBTOpie+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:55:33.710381Z","bundle_sha256":"d55ac33f20c02664aae1ff5b55d940e3e44b14851d5cd727603b248157255a3d"}}