{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UQZULYDQN35H5KZ7ILZ57RBPOX","short_pith_number":"pith:UQZULYDQ","canonical_record":{"source":{"id":"1207.3665","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-07-16T13:06:14Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"f584d72a146232a98c55a0509018b12e46a70442c268651484ec0bcb1479a984","abstract_canon_sha256":"097c9d1b423ab6f06be48ad332fbb456fe556f4fab933d9ea25188e5b20379c5"},"schema_version":"1.0"},"canonical_sha256":"a43345e0706efa7eab3f42f3dfc42f75c4c973a992fd96a5f569f8917736c532","source":{"kind":"arxiv","id":"1207.3665","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3665","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3665v2","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3665","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"UQZULYDQN35H","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UQZULYDQN35H5KZ7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UQZULYDQ","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UQZULYDQN35H5KZ7ILZ57RBPOX","target":"record","payload":{"canonical_record":{"source":{"id":"1207.3665","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-07-16T13:06:14Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"f584d72a146232a98c55a0509018b12e46a70442c268651484ec0bcb1479a984","abstract_canon_sha256":"097c9d1b423ab6f06be48ad332fbb456fe556f4fab933d9ea25188e5b20379c5"},"schema_version":"1.0"},"canonical_sha256":"a43345e0706efa7eab3f42f3dfc42f75c4c973a992fd96a5f569f8917736c532","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:18.103876Z","signature_b64":"UWWViwnm9qFhclK3vXoIpnMq7S2xTFLLV9HISgEe5XbB3H5jl338vCB9kl7W0/l6ehR5WiQq0o5DwsPeM4RkBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a43345e0706efa7eab3f42f3dfc42f75c4c973a992fd96a5f569f8917736c532","last_reissued_at":"2026-05-18T01:56:18.103286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:18.103286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.3665","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UHGpYxH2f6DS13c7gxAXrNRpH8IQO4o4sQehz7Pg9o3/nd5KnwubFlBSL0S0fgKhVsP6a5/E8h/8MJpxJrqhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:48:46.898246Z"},"content_sha256":"24c5faaaff2252c4285ef89929f6b307c2921e9e840af5aa1993dfd41e895349","schema_version":"1.0","event_id":"sha256:24c5faaaff2252c4285ef89929f6b307c2921e9e840af5aa1993dfd41e895349"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UQZULYDQN35H5KZ7ILZ57RBPOX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The LUX Prototype Detector: Heat Exchanger Development","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"A. Bernstein, A. Bolozdynya, A. Bradley, A. Curioni, B. Holbrook, C. E. Dahl, C. Faham, C. Hall, C. Zhang, D. Carr, D. Leonard, D. Malling, D. Mei, D. N. McKinsey, D. S. Akerib, E. Druszkiewicz, F. L. H. Wolfs, J. J. Chapman, J. Kwong, J. Mock, J. Nikkel, J. Spaans, J. Thomson, J. White, K. Clark, K. Kazkaz, L. DeViveiros, L. Kastens, M. Dragowsky, M. Morii, M. Sweany, M. Tripathi, M. Woods, N. Walsh, P. Phelps, P. Sorensen, R. J. Gaitskell, R. Lander, R. Mannino, R. Svoboda, R. Webb, S. Bedikian, S. Cahn, S. Dazeley, S. Fiorucci, T. Classen, T. Shutt, T. Steigler, W. Skulski, X. Bai","submitted_at":"2012-07-16T13:06:14Z","abstract_excerpt":"The LUX (Large Underground Xenon) detector is a two-phase xenon Time Projection Chamber (TPC) designed to search for WIMP-nucleon dark matter interactions. As with all noble element detectors, continuous purification of the detector medium is essential to produce a large ($>$1ms) electron lifetime; this is necessary for efficient measurement of the electron signal which in turn is essential for achieving robust discrimination of signal from background events. In this paper we describe the development of a novel purification system deployed in a prototype detector. The results from the operatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3665","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sev9ZxHpqn4npvKo0HpRqYYofsokPNIkY2bMq7HnqXHGRD1E88TSebSBWLTMLW/bR8VYoMnESMfY/U/PA/cJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:48:46.898935Z"},"content_sha256":"e7ed5f98f9d442ed6061979ee6cb9d78031fdab81053f446b557edc3f0ac00ed","schema_version":"1.0","event_id":"sha256:e7ed5f98f9d442ed6061979ee6cb9d78031fdab81053f446b557edc3f0ac00ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/bundle.json","state_url":"https://pith.science/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/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":"2026-06-05T09:48:46Z","links":{"resolver":"https://pith.science/pith/UQZULYDQN35H5KZ7ILZ57RBPOX","bundle":"https://pith.science/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/bundle.json","state":"https://pith.science/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQZULYDQN35H5KZ7ILZ57RBPOX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UQZULYDQN35H5KZ7ILZ57RBPOX","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":"097c9d1b423ab6f06be48ad332fbb456fe556f4fab933d9ea25188e5b20379c5","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-07-16T13:06:14Z","title_canon_sha256":"f584d72a146232a98c55a0509018b12e46a70442c268651484ec0bcb1479a984"},"schema_version":"1.0","source":{"id":"1207.3665","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3665","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3665v2","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3665","created_at":"2026-05-18T01:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"UQZULYDQN35H","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UQZULYDQN35H5KZ7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UQZULYDQ","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:e7ed5f98f9d442ed6061979ee6cb9d78031fdab81053f446b557edc3f0ac00ed","target":"graph","created_at":"2026-05-18T01:56:18Z","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":"The LUX (Large Underground Xenon) detector is a two-phase xenon Time Projection Chamber (TPC) designed to search for WIMP-nucleon dark matter interactions. As with all noble element detectors, continuous purification of the detector medium is essential to produce a large ($>$1ms) electron lifetime; this is necessary for efficient measurement of the electron signal which in turn is essential for achieving robust discrimination of signal from background events. In this paper we describe the development of a novel purification system deployed in a prototype detector. The results from the operatio","authors_text":"A. Bernstein, A. Bolozdynya, A. Bradley, A. Curioni, B. Holbrook, C. E. Dahl, C. Faham, C. Hall, C. Zhang, D. Carr, D. Leonard, D. Malling, D. Mei, D. N. McKinsey, D. S. Akerib, E. Druszkiewicz, F. L. H. Wolfs, J. J. Chapman, J. Kwong, J. Mock, J. Nikkel, J. Spaans, J. Thomson, J. White, K. Clark, K. Kazkaz, L. DeViveiros, L. Kastens, M. Dragowsky, M. Morii, M. Sweany, M. Tripathi, M. Woods, N. Walsh, P. Phelps, P. Sorensen, R. J. Gaitskell, R. Lander, R. Mannino, R. Svoboda, R. Webb, S. Bedikian, S. Cahn, S. Dazeley, S. Fiorucci, T. Classen, T. Shutt, T. Steigler, W. Skulski, X. Bai","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-07-16T13:06:14Z","title":"The LUX Prototype Detector: Heat Exchanger Development"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3665","kind":"arxiv","version":2},"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":"sha256:24c5faaaff2252c4285ef89929f6b307c2921e9e840af5aa1993dfd41e895349","target":"record","created_at":"2026-05-18T01:56:18Z","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":"097c9d1b423ab6f06be48ad332fbb456fe556f4fab933d9ea25188e5b20379c5","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-07-16T13:06:14Z","title_canon_sha256":"f584d72a146232a98c55a0509018b12e46a70442c268651484ec0bcb1479a984"},"schema_version":"1.0","source":{"id":"1207.3665","kind":"arxiv","version":2}},"canonical_sha256":"a43345e0706efa7eab3f42f3dfc42f75c4c973a992fd96a5f569f8917736c532","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a43345e0706efa7eab3f42f3dfc42f75c4c973a992fd96a5f569f8917736c532","first_computed_at":"2026-05-18T01:56:18.103286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:18.103286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UWWViwnm9qFhclK3vXoIpnMq7S2xTFLLV9HISgEe5XbB3H5jl338vCB9kl7W0/l6ehR5WiQq0o5DwsPeM4RkBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:18.103876Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.3665","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24c5faaaff2252c4285ef89929f6b307c2921e9e840af5aa1993dfd41e895349","sha256:e7ed5f98f9d442ed6061979ee6cb9d78031fdab81053f446b557edc3f0ac00ed"],"state_sha256":"f1188a8e180a2f825bd0b7ef64bf89bfaeb845c6804426391a7f589e5cd93cfb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1e91EMGcZq2UIQAC0AsnSRGP/w1yfkyScQ6Ww5sI6O7xEttVtsmx9rCo6e8+QiCbzRzDk8gqpvTpaBeCv0m1BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:48:46.901699Z","bundle_sha256":"55bb5c9284769b8303ad52ffa2283bff25462eecf558ef72a9176d91fe5c781d"}}