{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:SDNLQALIEOLHWINTJDDJ7BTHL6","short_pith_number":"pith:SDNLQALI","schema_version":"1.0","canonical_sha256":"90dab8016823967b21b348c69f86675f8ef5f473555844cc3ba4f91da3dd695c","source":{"kind":"arxiv","id":"1806.10504","version":3},"attestation_state":"computed","paper":{"title":"Compact ultracold electron source based on a grating magneto optical trap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.acc-ph","authors_text":"J.G.H. Franssen, M.A.W. van Ninhuijs, O.J. Luiten, T.C.H. de Raadt","submitted_at":"2018-06-27T14:41:16Z","abstract_excerpt":"The ultrafast and ultracold electron source, based on near-threshold photoionisation of a laser-cooled and trapped atomic gas, offers a unique combination of low transverse beam emittance and high bunch charge. Its use is however still limited because of the required cold-atom laser-cooling techniques. Here we present a compact ultracold electron source based on a grating magneto-optical trap (GMOT), which only requires one trapping laser beam that passes through a transparent accelerator module. This makes the technique more widely accessible and increases its applicability. We show the GMOT "},"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":"1806.10504","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-27T14:41:16Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"33ddf66bce7c2850a1bc6f90adfa674f8184bfb209878c6184d9222ff69d2b1b","abstract_canon_sha256":"cee73540809ebcd285cce7a4a1d0862fe103856aa3f0a20175c04090f05952ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:22.842511Z","signature_b64":"Nnc6rhk+GWKIPm+6yaiXwrYb9S8+0BwrmYDrgErmFOIRzNyU7owUnFMcGMmJjjL+r6srhMvODDEF5J0xu4Z9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90dab8016823967b21b348c69f86675f8ef5f473555844cc3ba4f91da3dd695c","last_reissued_at":"2026-05-17T23:54:22.842031Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:22.842031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Compact ultracold electron source based on a grating magneto optical trap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"physics.acc-ph","authors_text":"J.G.H. Franssen, M.A.W. van Ninhuijs, O.J. Luiten, T.C.H. de Raadt","submitted_at":"2018-06-27T14:41:16Z","abstract_excerpt":"The ultrafast and ultracold electron source, based on near-threshold photoionisation of a laser-cooled and trapped atomic gas, offers a unique combination of low transverse beam emittance and high bunch charge. Its use is however still limited because of the required cold-atom laser-cooling techniques. Here we present a compact ultracold electron source based on a grating magneto-optical trap (GMOT), which only requires one trapping laser beam that passes through a transparent accelerator module. This makes the technique more widely accessible and increases its applicability. We show the GMOT "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10504","kind":"arxiv","version":3},"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":"1806.10504","created_at":"2026-05-17T23:54:22.842099+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.10504v3","created_at":"2026-05-17T23:54:22.842099+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10504","created_at":"2026-05-17T23:54:22.842099+00:00"},{"alias_kind":"pith_short_12","alias_value":"SDNLQALIEOLH","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"SDNLQALIEOLHWINT","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"SDNLQALI","created_at":"2026-05-18T12:32:53.628368+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/SDNLQALIEOLHWINTJDDJ7BTHL6","json":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6.json","graph_json":"https://pith.science/api/pith-number/SDNLQALIEOLHWINTJDDJ7BTHL6/graph.json","events_json":"https://pith.science/api/pith-number/SDNLQALIEOLHWINTJDDJ7BTHL6/events.json","paper":"https://pith.science/paper/SDNLQALI"},"agent_actions":{"view_html":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6","download_json":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6.json","view_paper":"https://pith.science/paper/SDNLQALI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.10504&json=true","fetch_graph":"https://pith.science/api/pith-number/SDNLQALIEOLHWINTJDDJ7BTHL6/graph.json","fetch_events":"https://pith.science/api/pith-number/SDNLQALIEOLHWINTJDDJ7BTHL6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6/action/storage_attestation","attest_author":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6/action/author_attestation","sign_citation":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6/action/citation_signature","submit_replication":"https://pith.science/pith/SDNLQALIEOLHWINTJDDJ7BTHL6/action/replication_record"}},"created_at":"2026-05-17T23:54:22.842099+00:00","updated_at":"2026-05-17T23:54:22.842099+00:00"}