{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EZD5UFY454DZSRSHT3ZEZ62WFD","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":"930e4d0607a7d22ed815d75de3a026f1b887bc4d09552776e7a8ab8d553e74c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-09T20:25:55Z","title_canon_sha256":"83554db6848829c7456408245424d8d9274625e98d12b41098290a84668a3f9a"},"schema_version":"1.0","source":{"id":"1410.2611","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2611","created_at":"2026-05-18T02:40:37Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2611v1","created_at":"2026-05-18T02:40:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2611","created_at":"2026-05-18T02:40:37Z"},{"alias_kind":"pith_short_12","alias_value":"EZD5UFY454DZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EZD5UFY454DZSRSH","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EZD5UFY4","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:f84bd843d924c9cb974039079ce1cf82b8e83673418c95b04ebd1e47296de5f5","target":"graph","created_at":"2026-05-18T02:40:37Z","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":"We report on thin-film processing improvements in the fabrication of superconducting quasiparticle-trap-assisted electrothermal-feedback transition-edge sensors (QETs) used in the design of Cryogenic Dark Matter Search (CDMS) detectors. The work was performed as part of a detector upgrade project that included optimization of a new confocal sputtering system and development of etch recipes compatible with patterning 40 nm-thick, mixed-phase W films deposited on 300-600 nm-thick, patterned Al. We found that our standard exothermic Al wet etch recipes provided inadequate W/Al interfaces and led ","authors_text":"Astrid Tomada, Betty Young, Blas Cabrera, Jeff Yen, John Mark Kreikebaum, Matt Cherry, Paul Brink","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-09T20:25:55Z","title":"Growth of alpha-beta phase W thin films over steep Al topography in a confocal sputtering machine"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2611","kind":"arxiv","version":1},"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":"sha256:1de28411c3d1dc828e899fc3179d1818f58e57e3b70c20d11f9119ee6b3c314d","target":"record","created_at":"2026-05-18T02:40:37Z","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":"930e4d0607a7d22ed815d75de3a026f1b887bc4d09552776e7a8ab8d553e74c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-10-09T20:25:55Z","title_canon_sha256":"83554db6848829c7456408245424d8d9274625e98d12b41098290a84668a3f9a"},"schema_version":"1.0","source":{"id":"1410.2611","kind":"arxiv","version":1}},"canonical_sha256":"2647da171cef079946479ef24cfb5628c7492a1001464d1213a39d3c5d0bbfb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2647da171cef079946479ef24cfb5628c7492a1001464d1213a39d3c5d0bbfb7","first_computed_at":"2026-05-18T02:40:37.860799Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:37.860799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BbNwS7BnyHqcb+b2FCA3wPSt1vvqkud55hGYZSmrMgKa0LuSdGNoMYLkgMaUiIn1+sAwq3H+TsHdKfnJF8yFAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:37.861509Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2611","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1de28411c3d1dc828e899fc3179d1818f58e57e3b70c20d11f9119ee6b3c314d","sha256:f84bd843d924c9cb974039079ce1cf82b8e83673418c95b04ebd1e47296de5f5"],"state_sha256":"9771d9a13da76bbbd92cd75847eb145554df7c37ae69138f85b6d7733a578d8a"}