{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UBIIGYODANKOHBUF2CSZ4KTUCJ","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":"6d6debd916af39fa15d8a4274b89879a8f62cb662614ebae47ccd73c60c79013","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2015-11-27T13:44:08Z","title_canon_sha256":"84826d0a6c78d05a66ce65254a93f03a48211d182948cb3b00a40dc20f65a009"},"schema_version":"1.0","source":{"id":"1511.08670","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.08670","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"arxiv_version","alias_value":"1511.08670v2","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.08670","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"pith_short_12","alias_value":"UBIIGYODANKO","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UBIIGYODANKOHBUF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UBIIGYOD","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:eed0ab49479f978d3731728aa8d76385b8f0a9633a70591ca30888f9ca7e91f4","target":"graph","created_at":"2026-05-18T01:19:00Z","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 pure tone hearing threshold is usually estimated from responses to stimuli at a set of standard frequencies. This paper describes a probabilistic approach to the estimation problem in which the hearing threshold is modelled as a smooth continuous function of frequency using a Gaussian process. This allows sampling at any frequency and reduces the number of required measurements. The Gaussian process is combined with a probabilistic response model to account for uncertainty in the responses. The resulting full model can be interpreted as a two-dimensional binary classifier for stimuli, and ","authors_text":"Bert de Vries, Marco Cox","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2015-11-27T13:44:08Z","title":"A Bayesian binary classification approach to pure tone audiometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.08670","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":"sha256:1bb051fa799a1bb78a0a3f96646c84284ee59ecd1b6b70483b4e74ae879cda3f","target":"record","created_at":"2026-05-18T01:19:00Z","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":"6d6debd916af39fa15d8a4274b89879a8f62cb662614ebae47ccd73c60c79013","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2015-11-27T13:44:08Z","title_canon_sha256":"84826d0a6c78d05a66ce65254a93f03a48211d182948cb3b00a40dc20f65a009"},"schema_version":"1.0","source":{"id":"1511.08670","kind":"arxiv","version":2}},"canonical_sha256":"a0508361c30354e38685d0a59e2a74125f38249d0d31c89667f163c261579067","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0508361c30354e38685d0a59e2a74125f38249d0d31c89667f163c261579067","first_computed_at":"2026-05-18T01:19:00.098989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:00.098989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dZlY5cn28UMBx5jPcrGqYLOzuKUlG4Za/MKUUP8bTJL3ZavDwFQlDIJetITWICMgdbc9xf74rM5upL73wpn7Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:00.099682Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.08670","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bb051fa799a1bb78a0a3f96646c84284ee59ecd1b6b70483b4e74ae879cda3f","sha256:eed0ab49479f978d3731728aa8d76385b8f0a9633a70591ca30888f9ca7e91f4"],"state_sha256":"2fd0aa8637aea3ff75a23837f31134f7fa0491036d4a4bdf0c73953004d17cd9"}