{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:7TRA6DAJDTWA5J3G5R7IVMPL75","short_pith_number":"pith:7TRA6DAJ","canonical_record":{"source":{"id":"physics/0407094","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-07-17T07:37:02Z","cross_cats_sorted":[],"title_canon_sha256":"0e8e59c3e822bbc4ced8687ed649b3912f9730f0f2effe161f5f18fc0dad5002","abstract_canon_sha256":"6a6a810323d04c915ce3c3f5ec331e6db9dff15281c3b57cda4ab1a4798ba793"},"schema_version":"1.0"},"canonical_sha256":"fce20f0c091cec0ea766ec7e8ab1ebff5b33fce1e6af2dd9599c5d7a8786075a","source":{"kind":"arxiv","id":"physics/0407094","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0407094","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0407094v4","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0407094","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"7TRA6DAJDTWA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"7TRA6DAJDTWA5J3G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"7TRA6DAJ","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:7TRA6DAJDTWA5J3G5R7IVMPL75","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0407094","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-07-17T07:37:02Z","cross_cats_sorted":[],"title_canon_sha256":"0e8e59c3e822bbc4ced8687ed649b3912f9730f0f2effe161f5f18fc0dad5002","abstract_canon_sha256":"6a6a810323d04c915ce3c3f5ec331e6db9dff15281c3b57cda4ab1a4798ba793"},"schema_version":"1.0"},"canonical_sha256":"fce20f0c091cec0ea766ec7e8ab1ebff5b33fce1e6af2dd9599c5d7a8786075a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:48.752945Z","signature_b64":"i3BSPvXUyvtZTnifrE4hikAd3Ym8dlYaof+2bCNDF6DmWcdKOQxqPpSOmwkKGnhxKPod+yx4oOh89SEdXVUQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fce20f0c091cec0ea766ec7e8ab1ebff5b33fce1e6af2dd9599c5d7a8786075a","last_reissued_at":"2026-05-18T01:08:48.752510Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:48.752510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0407094","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q5wVk2JixBvvhoTEJNOa4QJmtvnVMmdeD6LU0iFEuq4D5LbB6dLLP3DcnzgX0UOG1jiapaa5icptdg+Rr+6FBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:29:02.312986Z"},"content_sha256":"3b119c61707c74279df712cfad67674abbeb324925c8ea9de5b93f0a54d87e54","schema_version":"1.0","event_id":"sha256:3b119c61707c74279df712cfad67674abbeb324925c8ea9de5b93f0a54d87e54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:7TRA6DAJDTWA5J3G5R7IVMPL75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atom chips in the real world: the effects of wire corrugation","license":"","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Alain Aspect (LCFIO), Christine Aussibal (LCFIO), Christopher Westbrook (LCFIO), Cristina Figl (LCFIO), Dominique Mailly (LPN), Hai Nguyen (LCFIO), Isabelle Bouchoule (LCFIO), Jean-Baptiste Trebbia (LCFIO), J\\`er\\^ome Est\\`eve (LCFIO), Thorsten Schumm (LCFIO)","submitted_at":"2004-07-17T07:37:02Z","abstract_excerpt":"We present a detailed model describing the effects of wire corrugation on the trapping potential experienced by a cloud of atoms above a current carrying micro wire. We calculate the distortion of the current distribution due to corrugation and then derive the corresponding roughness in the magnetic field above the wire. Scaling laws are derived for the roughness as a function of height above a ribbon shaped wire. We also present experimental data on micro wire traps using cold atoms which complement some previously published measurements and which demonstrate that wire corrugation can satisfa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0407094","kind":"arxiv","version":4},"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":"2026-05-18T01:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHjaDgD8RoIc6r9nAGCdo7QMY4LWMT5u94+VOe8aMJ0VW9AT3caWdTccY21qIwgFueS2SGfUCkPsJIIBLlj8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:29:02.313336Z"},"content_sha256":"a322a7c3a8ff2015e3d56da5983991455de2c094bb25a7648319d1c0c428d3cb","schema_version":"1.0","event_id":"sha256:a322a7c3a8ff2015e3d56da5983991455de2c094bb25a7648319d1c0c428d3cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/bundle.json","state_url":"https://pith.science/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/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":"2026-06-02T16:29:02Z","links":{"resolver":"https://pith.science/pith/7TRA6DAJDTWA5J3G5R7IVMPL75","bundle":"https://pith.science/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/bundle.json","state":"https://pith.science/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7TRA6DAJDTWA5J3G5R7IVMPL75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:7TRA6DAJDTWA5J3G5R7IVMPL75","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":"6a6a810323d04c915ce3c3f5ec331e6db9dff15281c3b57cda4ab1a4798ba793","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-07-17T07:37:02Z","title_canon_sha256":"0e8e59c3e822bbc4ced8687ed649b3912f9730f0f2effe161f5f18fc0dad5002"},"schema_version":"1.0","source":{"id":"physics/0407094","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0407094","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0407094v4","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0407094","created_at":"2026-05-18T01:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"7TRA6DAJDTWA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"7TRA6DAJDTWA5J3G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"7TRA6DAJ","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:a322a7c3a8ff2015e3d56da5983991455de2c094bb25a7648319d1c0c428d3cb","target":"graph","created_at":"2026-05-18T01:08:48Z","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 detailed model describing the effects of wire corrugation on the trapping potential experienced by a cloud of atoms above a current carrying micro wire. We calculate the distortion of the current distribution due to corrugation and then derive the corresponding roughness in the magnetic field above the wire. Scaling laws are derived for the roughness as a function of height above a ribbon shaped wire. We also present experimental data on micro wire traps using cold atoms which complement some previously published measurements and which demonstrate that wire corrugation can satisfa","authors_text":"Alain Aspect (LCFIO), Christine Aussibal (LCFIO), Christopher Westbrook (LCFIO), Cristina Figl (LCFIO), Dominique Mailly (LPN), Hai Nguyen (LCFIO), Isabelle Bouchoule (LCFIO), Jean-Baptiste Trebbia (LCFIO), J\\`er\\^ome Est\\`eve (LCFIO), Thorsten Schumm (LCFIO)","cross_cats":[],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-07-17T07:37:02Z","title":"Atom chips in the real world: the effects of wire corrugation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0407094","kind":"arxiv","version":4},"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":"sha256:3b119c61707c74279df712cfad67674abbeb324925c8ea9de5b93f0a54d87e54","target":"record","created_at":"2026-05-18T01:08:48Z","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":"6a6a810323d04c915ce3c3f5ec331e6db9dff15281c3b57cda4ab1a4798ba793","cross_cats_sorted":[],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-07-17T07:37:02Z","title_canon_sha256":"0e8e59c3e822bbc4ced8687ed649b3912f9730f0f2effe161f5f18fc0dad5002"},"schema_version":"1.0","source":{"id":"physics/0407094","kind":"arxiv","version":4}},"canonical_sha256":"fce20f0c091cec0ea766ec7e8ab1ebff5b33fce1e6af2dd9599c5d7a8786075a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fce20f0c091cec0ea766ec7e8ab1ebff5b33fce1e6af2dd9599c5d7a8786075a","first_computed_at":"2026-05-18T01:08:48.752510Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:48.752510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i3BSPvXUyvtZTnifrE4hikAd3Ym8dlYaof+2bCNDF6DmWcdKOQxqPpSOmwkKGnhxKPod+yx4oOh89SEdXVUQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:48.752945Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0407094","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b119c61707c74279df712cfad67674abbeb324925c8ea9de5b93f0a54d87e54","sha256:a322a7c3a8ff2015e3d56da5983991455de2c094bb25a7648319d1c0c428d3cb"],"state_sha256":"7a8df46e71fdd34dd4dc0faaa7505dd3e6a082b1cb06f25d2e8d30898b7f08fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgNNnfTbAcsVxyB+EN5067HqpsKknmN6ijOQsUWfR8h/dKAzDgGOdbnvBeIDNiAJqrYcbZ2OQkQV53fq7XVwBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T16:29:02.315459Z","bundle_sha256":"9ac18f425c38ff3ff9032b22873c579aa2a84075fa36a4201cc04d35022a6221"}}