{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:FBW2ZH7SHINLZKJRBG7OZDOGFT","short_pith_number":"pith:FBW2ZH7S","schema_version":"1.0","canonical_sha256":"286dac9ff23a1abca93109beec8dc62cd9078b684e47d8e5a3b53d48015e1a0d","source":{"kind":"arxiv","id":"2203.01026","version":1},"attestation_state":"computed","paper":{"title":"Cryogenic bath-type heat exchangers for ultra-pure noble gas applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"C. Huhmann, C. Weinheimer, D. Schulte, D. Tatananni, I. Cristescu, J.-M. Disdier, M. Murra","submitted_at":"2022-03-02T10:58:25Z","abstract_excerpt":"Two cryogenic bath-type heat exchangers for ultra-pure noble gas applications were developed with particular emphasis on noble gas liquefaction in cryogenic distillation systems. The main objective was to construct heat exchangers for xenon from materials that do not emanate radon and that fulfill ultra-high vacuum standards. Therefore, only high-quality copper and stainless steel materials were used. Especially, large-area oxygen-free copper fins with high conductivity in a new design ensure efficient heat transfer. One bath-type Xe-Xe heat exchanger was designed with a diameter of 50 cm to a"},"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":"2203.01026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-03-02T10:58:25Z","cross_cats_sorted":[],"title_canon_sha256":"efac12e2574d4b6058e81c7393c77f189ec98c95c9e8c2d03a0aa159ec262cba","abstract_canon_sha256":"03f4f060488fae4aff564898aeb5c8097df927597dfcbd10e2730e46a52104b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:29:30.744288Z","signature_b64":"QzdokCBPViutE1fqvGlBFARCMgFol8wqLDFPdyx5P4KTSrXrFGGVdFq6M/1Eq7a+bA2Dv7EVd5Elu9w3y5omDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"286dac9ff23a1abca93109beec8dc62cd9078b684e47d8e5a3b53d48015e1a0d","last_reissued_at":"2026-07-05T04:29:30.743760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:29:30.743760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cryogenic bath-type heat exchangers for ultra-pure noble gas applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"C. Huhmann, C. Weinheimer, D. Schulte, D. Tatananni, I. Cristescu, J.-M. Disdier, M. Murra","submitted_at":"2022-03-02T10:58:25Z","abstract_excerpt":"Two cryogenic bath-type heat exchangers for ultra-pure noble gas applications were developed with particular emphasis on noble gas liquefaction in cryogenic distillation systems. The main objective was to construct heat exchangers for xenon from materials that do not emanate radon and that fulfill ultra-high vacuum standards. Therefore, only high-quality copper and stainless steel materials were used. Especially, large-area oxygen-free copper fins with high conductivity in a new design ensure efficient heat transfer. One bath-type Xe-Xe heat exchanger was designed with a diameter of 50 cm to a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.01026","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.01026/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2203.01026","created_at":"2026-07-05T04:29:30.743818+00:00"},{"alias_kind":"arxiv_version","alias_value":"2203.01026v1","created_at":"2026-07-05T04:29:30.743818+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.01026","created_at":"2026-07-05T04:29:30.743818+00:00"},{"alias_kind":"pith_short_12","alias_value":"FBW2ZH7SHINL","created_at":"2026-07-05T04:29:30.743818+00:00"},{"alias_kind":"pith_short_16","alias_value":"FBW2ZH7SHINLZKJR","created_at":"2026-07-05T04:29:30.743818+00:00"},{"alias_kind":"pith_short_8","alias_value":"FBW2ZH7S","created_at":"2026-07-05T04:29:30.743818+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2511.05172","citing_title":"Proof-of-concept of a xenon-based cryogenic heat pump demonstrator for future liquid xenon observatories","ref_index":23,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT","json":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT.json","graph_json":"https://pith.science/api/pith-number/FBW2ZH7SHINLZKJRBG7OZDOGFT/graph.json","events_json":"https://pith.science/api/pith-number/FBW2ZH7SHINLZKJRBG7OZDOGFT/events.json","paper":"https://pith.science/paper/FBW2ZH7S"},"agent_actions":{"view_html":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT","download_json":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT.json","view_paper":"https://pith.science/paper/FBW2ZH7S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2203.01026&json=true","fetch_graph":"https://pith.science/api/pith-number/FBW2ZH7SHINLZKJRBG7OZDOGFT/graph.json","fetch_events":"https://pith.science/api/pith-number/FBW2ZH7SHINLZKJRBG7OZDOGFT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT/action/storage_attestation","attest_author":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT/action/author_attestation","sign_citation":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT/action/citation_signature","submit_replication":"https://pith.science/pith/FBW2ZH7SHINLZKJRBG7OZDOGFT/action/replication_record"}},"created_at":"2026-07-05T04:29:30.743818+00:00","updated_at":"2026-07-05T04:29:30.743818+00:00"}