{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:WRAPTMBUAQJK42QXMJLQ2K5ITN","short_pith_number":"pith:WRAPTMBU","schema_version":"1.0","canonical_sha256":"b440f9b0340412ae6a1762570d2ba89b689d957045f63fe06e7116d571849f9c","source":{"kind":"arxiv","id":"1307.7049","version":1},"attestation_state":"computed","paper":{"title":"A microkelvin cryogen-free experimental platform with integrated noise thermometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andrew Casey, Anthony Matthews, Aya Shibahara, Graham Batey, John Saunders, Michael Cuthbert","submitted_at":"2013-07-26T14:43:24Z","abstract_excerpt":"We report experimental demonstration of the feasibility of reaching temperatures below 1 mK using cryogen-free technology. Our prototype system comprises an adiabatic nuclear demagnetisation stage, based on hyperfine-enhanced nuclear magnetic cooling, integrated with a commercial cryogen-free dilution refrigerator and 8 T superconducting magnet. Thermometry was provided by a current-sensing noise thermometer. The minimum temperature achieved at the experimental platform was 600 {\\mu}K. The platform remained below 1 mK for over 24 hours, indicating a total residual heat-leak into the experiment"},"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":"1307.7049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-07-26T14:43:24Z","cross_cats_sorted":[],"title_canon_sha256":"1020e1523f4402b92ca031facab21d01bf73e9a3ac846f912b1b21c36e99c33e","abstract_canon_sha256":"572c11abc4c92d0d11968d5b9e461a44479572251237d15e8494218bc35e2aff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:34.167364Z","signature_b64":"b7Ps5zEySVYr+V3D8BP9Q2h5R7gRmlYWUV+Hag3Tzudlr9bvewEIZHZ8tFet8k82LosVfSHLBAyjS3Rlo1f2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b440f9b0340412ae6a1762570d2ba89b689d957045f63fe06e7116d571849f9c","last_reissued_at":"2026-05-18T01:48:34.166625Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:34.166625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A microkelvin cryogen-free experimental platform with integrated noise thermometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andrew Casey, Anthony Matthews, Aya Shibahara, Graham Batey, John Saunders, Michael Cuthbert","submitted_at":"2013-07-26T14:43:24Z","abstract_excerpt":"We report experimental demonstration of the feasibility of reaching temperatures below 1 mK using cryogen-free technology. Our prototype system comprises an adiabatic nuclear demagnetisation stage, based on hyperfine-enhanced nuclear magnetic cooling, integrated with a commercial cryogen-free dilution refrigerator and 8 T superconducting magnet. Thermometry was provided by a current-sensing noise thermometer. The minimum temperature achieved at the experimental platform was 600 {\\mu}K. The platform remained below 1 mK for over 24 hours, indicating a total residual heat-leak into the experiment"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.7049","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1307.7049","created_at":"2026-05-18T01:48:34.166748+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.7049v1","created_at":"2026-05-18T01:48:34.166748+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.7049","created_at":"2026-05-18T01:48:34.166748+00:00"},{"alias_kind":"pith_short_12","alias_value":"WRAPTMBUAQJK","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"WRAPTMBUAQJK42QX","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"WRAPTMBU","created_at":"2026-05-18T12:28:04.890932+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/WRAPTMBUAQJK42QXMJLQ2K5ITN","json":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN.json","graph_json":"https://pith.science/api/pith-number/WRAPTMBUAQJK42QXMJLQ2K5ITN/graph.json","events_json":"https://pith.science/api/pith-number/WRAPTMBUAQJK42QXMJLQ2K5ITN/events.json","paper":"https://pith.science/paper/WRAPTMBU"},"agent_actions":{"view_html":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN","download_json":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN.json","view_paper":"https://pith.science/paper/WRAPTMBU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.7049&json=true","fetch_graph":"https://pith.science/api/pith-number/WRAPTMBUAQJK42QXMJLQ2K5ITN/graph.json","fetch_events":"https://pith.science/api/pith-number/WRAPTMBUAQJK42QXMJLQ2K5ITN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN/action/storage_attestation","attest_author":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN/action/author_attestation","sign_citation":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN/action/citation_signature","submit_replication":"https://pith.science/pith/WRAPTMBUAQJK42QXMJLQ2K5ITN/action/replication_record"}},"created_at":"2026-05-18T01:48:34.166748+00:00","updated_at":"2026-05-18T01:48:34.166748+00:00"}