{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:JLPTVIPY3P7KK6XKQSB3VJQ3DA","short_pith_number":"pith:JLPTVIPY","schema_version":"1.0","canonical_sha256":"4adf3aa1f8dbfea57aea8483baa61b180b9cbffbbd0d79891180df0f265d652a","source":{"kind":"arxiv","id":"0908.3504","version":2},"attestation_state":"computed","paper":{"title":"Macroscopic magnetic guide for cold atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.atom-ph","authors_text":"Alexey Tonyushkin, Mara Prentiss","submitted_at":"2009-08-24T21:33:27Z","abstract_excerpt":"We demonstrate a macroscopic magnetic guide for cold atoms with suppressed longitudinal field curvature which is highly desired for atom interferometry. The guide is based on macroscopic copper tape coils in a copropagating currents geometry, where the atoms are located between the coils few cm away from each surface. The symmetric geometry provides a much lower magnetic field curvature per fixed length that promises longer coherence time for atom interferometers. A double-tape design of each coil allows a smooth translation of guided atoms without addition of an external bias field. The guide"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0908.3504","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-08-24T21:33:27Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3a58382a6a9087eb27bbe83112be1b2901cee208bd631bd8bd1dca73dac83d9a","abstract_canon_sha256":"c6fa9bba02702e26478dc357848c3ca822a2495a403e782d708f9cdc3f9daff6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:29.110062Z","signature_b64":"tdInt9uQI+nY4Ev17pR4eQLf8BqULYMgbFrwFo8NSB03qLj0okyGFjUPys7ALPUqzDEGGQE1sGk9cSU/7YCvDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4adf3aa1f8dbfea57aea8483baa61b180b9cbffbbd0d79891180df0f265d652a","last_reissued_at":"2026-05-18T00:40:29.109531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:29.109531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroscopic magnetic guide for cold atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.atom-ph","authors_text":"Alexey Tonyushkin, Mara Prentiss","submitted_at":"2009-08-24T21:33:27Z","abstract_excerpt":"We demonstrate a macroscopic magnetic guide for cold atoms with suppressed longitudinal field curvature which is highly desired for atom interferometry. The guide is based on macroscopic copper tape coils in a copropagating currents geometry, where the atoms are located between the coils few cm away from each surface. The symmetric geometry provides a much lower magnetic field curvature per fixed length that promises longer coherence time for atom interferometers. A double-tape design of each coil allows a smooth translation of guided atoms without addition of an external bias field. The guide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3504","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0908.3504","created_at":"2026-05-18T00:40:29.109618+00:00"},{"alias_kind":"arxiv_version","alias_value":"0908.3504v2","created_at":"2026-05-18T00:40:29.109618+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3504","created_at":"2026-05-18T00:40:29.109618+00:00"},{"alias_kind":"pith_short_12","alias_value":"JLPTVIPY3P7K","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"JLPTVIPY3P7KK6XK","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"JLPTVIPY","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA","json":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA.json","graph_json":"https://pith.science/api/pith-number/JLPTVIPY3P7KK6XKQSB3VJQ3DA/graph.json","events_json":"https://pith.science/api/pith-number/JLPTVIPY3P7KK6XKQSB3VJQ3DA/events.json","paper":"https://pith.science/paper/JLPTVIPY"},"agent_actions":{"view_html":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA","download_json":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA.json","view_paper":"https://pith.science/paper/JLPTVIPY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0908.3504&json=true","fetch_graph":"https://pith.science/api/pith-number/JLPTVIPY3P7KK6XKQSB3VJQ3DA/graph.json","fetch_events":"https://pith.science/api/pith-number/JLPTVIPY3P7KK6XKQSB3VJQ3DA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA/action/storage_attestation","attest_author":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA/action/author_attestation","sign_citation":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA/action/citation_signature","submit_replication":"https://pith.science/pith/JLPTVIPY3P7KK6XKQSB3VJQ3DA/action/replication_record"}},"created_at":"2026-05-18T00:40:29.109618+00:00","updated_at":"2026-05-18T00:40:29.109618+00:00"}