{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TEVQPSBPJIREKUYH2KNI3HZXGS","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":"60e7b1a61855817d876b3c44c334bf0b2f2777a234b327e02d2f465dcec7e917","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-11-29T16:33:02Z","title_canon_sha256":"14986f4f1a68f51ba65a5b30bf310e643e5e427b6e843349675de2549d4f6b0c"},"schema_version":"1.0","source":{"id":"1611.09712","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.09712","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"arxiv_version","alias_value":"1611.09712v4","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.09712","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"pith_short_12","alias_value":"TEVQPSBPJIRE","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TEVQPSBPJIREKUYH","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TEVQPSBP","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:edb840a6c63820f0a65c305fc3da8a410b4010e86eee5f8982f225c77759f441","target":"graph","created_at":"2026-05-17T23:42:59Z","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 present the measured baseline ionization resolution of a HEMT-based cryogenic charge amplifier coupled to a CDMS-II detector. The amplifier has been developed to allow massive semiconductor dark matter detectors to retain background discrimination at the low recoil energies produced by low-mass WIMPs. We find a calibrated baseline ionization resolution of $\\sigma_E = 91\\,\\text{eV}_{ee}$. To our knowledge, this is the best direct ionization resolution achieved with such massive ($\\approx$150 pF capacitance) radiation detectors.","authors_text":"A. Juillard, A. Phipps, B. Sadoulet, B. Serfass, Y. Jin","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-11-29T16:33:02Z","title":"A HEMT-Based Cryogenic Charge Amplifier with sub-100 eVee Ionization Resolution for Massive Semiconductor Dark Matter Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.09712","kind":"arxiv","version":4},"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":"sha256:529dde1db695e12e7276b67af9bc0d44d0b1fab233dd2e63c3f30d2f2b28281b","target":"record","created_at":"2026-05-17T23:42:59Z","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":"60e7b1a61855817d876b3c44c334bf0b2f2777a234b327e02d2f465dcec7e917","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-11-29T16:33:02Z","title_canon_sha256":"14986f4f1a68f51ba65a5b30bf310e643e5e427b6e843349675de2549d4f6b0c"},"schema_version":"1.0","source":{"id":"1611.09712","kind":"arxiv","version":4}},"canonical_sha256":"992b07c82f4a22455307d29a8d9f373496b9525c13f2e3d2b8b7af227409584c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"992b07c82f4a22455307d29a8d9f373496b9525c13f2e3d2b8b7af227409584c","first_computed_at":"2026-05-17T23:42:59.239730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:59.239730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wjQfTpl13b9rSNepVtnAo0Os1RV9TE5UTnERe0OSpSX4kYJfrKYC8Xek+cX3E+DDkzdRxn8rJL9E59HEdMz/DA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:59.240096Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.09712","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:529dde1db695e12e7276b67af9bc0d44d0b1fab233dd2e63c3f30d2f2b28281b","sha256:edb840a6c63820f0a65c305fc3da8a410b4010e86eee5f8982f225c77759f441"],"state_sha256":"0b264de0d550af7d8668b3197a0ae65b4e818ab2024f70ccaac659b5a3ef2ff0"}