{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:VQ5ZHIJUWOFSMQ6TF2YY5OYXKM","short_pith_number":"pith:VQ5ZHIJU","canonical_record":{"source":{"id":"1012.4321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-12-20T13:35:14Z","cross_cats_sorted":[],"title_canon_sha256":"ecbc644fad89e26b62441c6fca3325d412a4e060c86ed398a2f875a803f30e32","abstract_canon_sha256":"3e7e3232b4ad965886f76719b1e1fa0c64281de1a2dbf91c23a50011eafcc40c"},"schema_version":"1.0"},"canonical_sha256":"ac3b93a134b38b2643d32eb18ebb175313ee2a1de3fd983badfbd0d8c75387b3","source":{"kind":"arxiv","id":"1012.4321","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4321","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4321v1","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4321","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"VQ5ZHIJUWOFS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VQ5ZHIJUWOFSMQ6T","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VQ5ZHIJU","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:VQ5ZHIJUWOFSMQ6TF2YY5OYXKM","target":"record","payload":{"canonical_record":{"source":{"id":"1012.4321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-12-20T13:35:14Z","cross_cats_sorted":[],"title_canon_sha256":"ecbc644fad89e26b62441c6fca3325d412a4e060c86ed398a2f875a803f30e32","abstract_canon_sha256":"3e7e3232b4ad965886f76719b1e1fa0c64281de1a2dbf91c23a50011eafcc40c"},"schema_version":"1.0"},"canonical_sha256":"ac3b93a134b38b2643d32eb18ebb175313ee2a1de3fd983badfbd0d8c75387b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:33.106996Z","signature_b64":"qDh7gp/QhAtyewABfHRV3JugQWhdxEaeY2G6tYBWnCVThgbwUYjYLwTJLReXCO8XxNvdMf7oMhLc8CGicRLMCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac3b93a134b38b2643d32eb18ebb175313ee2a1de3fd983badfbd0d8c75387b3","last_reissued_at":"2026-05-18T04:23:33.106515Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:33.106515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.4321","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":"2026-05-18T04:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqfkte7/lrzhP2O/UqxJ8E9tbjet344YhLQU7q6tOh2Uv+EzeGJowNGyWEa2TgT9arlNK2AdsTc1hrLRquLeDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:30:55.740103Z"},"content_sha256":"872cc9f2fd0fee28da46452b7de9cc0c55b2e1626a7a45d0c90515fcc5fd41fe","schema_version":"1.0","event_id":"sha256:872cc9f2fd0fee28da46452b7de9cc0c55b2e1626a7a45d0c90515fcc5fd41fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:VQ5ZHIJUWOFSMQ6TF2YY5OYXKM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A hexapole-compensated magneto-optical trap on a mesoscopic atom chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Carsten Klempt, Jan Arlt, Jan Mahnke, Richard Randoll, Stefan J\\\"ollenbeck, Wolfgang Ertmer","submitted_at":"2010-12-20T13:35:14Z","abstract_excerpt":"Magneto-optical traps on atom chips are usually restricted to small atomic samples due to a limited capture volume caused primarily by distorted field configurations. Here we present a magneto-optical trap with minimized distortions based on a mesoscopic wire structure which provides a loading rate of 8.4 10^10 atoms/s and a maximum number of 8.7 10^9 captured atoms. The wire structure is placed outside of the vacuum to enable a further adaptation to new scientific objectives. Since all magnetic fields are applied locally without the need for external bias fields, the presented setup will faci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4321","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":""},"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":"2026-05-18T04:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R5lyIlpqjJbsU7F4c0BFQohVYY+ZCH9dJWVpYdOvzlOJ2WI/Dcufz4GiGuxEbAw0wmx+jHVeElN0swVSzOZoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:30:55.740458Z"},"content_sha256":"e529ff8570b0d53db4b96aac957355c5991152102f5ee8f9283ab0cd7282577f","schema_version":"1.0","event_id":"sha256:e529ff8570b0d53db4b96aac957355c5991152102f5ee8f9283ab0cd7282577f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/bundle.json","state_url":"https://pith.science/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/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":"2026-06-03T21:30:55Z","links":{"resolver":"https://pith.science/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM","bundle":"https://pith.science/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/bundle.json","state":"https://pith.science/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQ5ZHIJUWOFSMQ6TF2YY5OYXKM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:VQ5ZHIJUWOFSMQ6TF2YY5OYXKM","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":"3e7e3232b4ad965886f76719b1e1fa0c64281de1a2dbf91c23a50011eafcc40c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-12-20T13:35:14Z","title_canon_sha256":"ecbc644fad89e26b62441c6fca3325d412a4e060c86ed398a2f875a803f30e32"},"schema_version":"1.0","source":{"id":"1012.4321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4321","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4321v1","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4321","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"VQ5ZHIJUWOFS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"VQ5ZHIJUWOFSMQ6T","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"VQ5ZHIJU","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:e529ff8570b0d53db4b96aac957355c5991152102f5ee8f9283ab0cd7282577f","target":"graph","created_at":"2026-05-18T04:23:33Z","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":"Magneto-optical traps on atom chips are usually restricted to small atomic samples due to a limited capture volume caused primarily by distorted field configurations. Here we present a magneto-optical trap with minimized distortions based on a mesoscopic wire structure which provides a loading rate of 8.4 10^10 atoms/s and a maximum number of 8.7 10^9 captured atoms. The wire structure is placed outside of the vacuum to enable a further adaptation to new scientific objectives. Since all magnetic fields are applied locally without the need for external bias fields, the presented setup will faci","authors_text":"Carsten Klempt, Jan Arlt, Jan Mahnke, Richard Randoll, Stefan J\\\"ollenbeck, Wolfgang Ertmer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-12-20T13:35:14Z","title":"A hexapole-compensated magneto-optical trap on a mesoscopic atom chip"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4321","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":"sha256:872cc9f2fd0fee28da46452b7de9cc0c55b2e1626a7a45d0c90515fcc5fd41fe","target":"record","created_at":"2026-05-18T04:23:33Z","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":"3e7e3232b4ad965886f76719b1e1fa0c64281de1a2dbf91c23a50011eafcc40c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-12-20T13:35:14Z","title_canon_sha256":"ecbc644fad89e26b62441c6fca3325d412a4e060c86ed398a2f875a803f30e32"},"schema_version":"1.0","source":{"id":"1012.4321","kind":"arxiv","version":1}},"canonical_sha256":"ac3b93a134b38b2643d32eb18ebb175313ee2a1de3fd983badfbd0d8c75387b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac3b93a134b38b2643d32eb18ebb175313ee2a1de3fd983badfbd0d8c75387b3","first_computed_at":"2026-05-18T04:23:33.106515Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:33.106515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qDh7gp/QhAtyewABfHRV3JugQWhdxEaeY2G6tYBWnCVThgbwUYjYLwTJLReXCO8XxNvdMf7oMhLc8CGicRLMCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:33.106996Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:872cc9f2fd0fee28da46452b7de9cc0c55b2e1626a7a45d0c90515fcc5fd41fe","sha256:e529ff8570b0d53db4b96aac957355c5991152102f5ee8f9283ab0cd7282577f"],"state_sha256":"96094777d7dbc624da0c8a1073793f71618ef37bf2e4c3c4fb20e1024b9479b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+nbKyvhAJ0BSzngNJorSGqmwMH1BGDugDd2SVmjTVElot1B4Qnn65EHtP4cKUkpZBQuJSoyxNRLiSHkAAyu+Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:30:55.742400Z","bundle_sha256":"cadf2d03b50e798835f720f7dbd51e679189d990a733d7d7ed2eef2b13b309eb"}}