{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EGUNGSTRPBPUABDQYQ3MMJAERE","short_pith_number":"pith:EGUNGSTR","canonical_record":{"source":{"id":"1805.03024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-05-08T13:54:34Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"6b99d3b13583d5df9d838aadebc35cb7cd3e58df773a180b216c6396c2485dbb","abstract_canon_sha256":"5df3d000dbe122fac1fc4d4f57a636515e34ff78d7c3a3db83903377bafed20c"},"schema_version":"1.0"},"canonical_sha256":"21a8d34a71785f400470c436c624048904e1af4cd92d7ec97b7cde8cc43cfe56","source":{"kind":"arxiv","id":"1805.03024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03024","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03024v1","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03024","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"pith_short_12","alias_value":"EGUNGSTRPBPU","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EGUNGSTRPBPUABDQ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EGUNGSTR","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EGUNGSTRPBPUABDQYQ3MMJAERE","target":"record","payload":{"canonical_record":{"source":{"id":"1805.03024","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-05-08T13:54:34Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"6b99d3b13583d5df9d838aadebc35cb7cd3e58df773a180b216c6396c2485dbb","abstract_canon_sha256":"5df3d000dbe122fac1fc4d4f57a636515e34ff78d7c3a3db83903377bafed20c"},"schema_version":"1.0"},"canonical_sha256":"21a8d34a71785f400470c436c624048904e1af4cd92d7ec97b7cde8cc43cfe56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:24.505752Z","signature_b64":"gqk/1jR5xx3xoALq0LkFbfxjZ/G3z2Q+elqA4zkz86Rch2X61ayo7Ked4KYiLkrvBgZNRsbhZvMNmY8BXYdQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21a8d34a71785f400470c436c624048904e1af4cd92d7ec97b7cde8cc43cfe56","last_reissued_at":"2026-05-18T00:16:24.505053Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:24.505053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.03024","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:16:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HVvvUw4JiS7CAQ03YkJRofZiXF2KoZWK68Wr6MYHktO1vQ1Vys5tDHk6+5wd8U3IGHTof8DYOfc1eQxufVXjAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:49:22.078034Z"},"content_sha256":"2b2d2e173d4b53d68bdec2ab44f08fcdb4fd825a4fa5017a731d264e24e09f7b","schema_version":"1.0","event_id":"sha256:2b2d2e173d4b53d68bdec2ab44f08fcdb4fd825a4fa5017a731d264e24e09f7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EGUNGSTRPBPUABDQYQ3MMJAERE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asymptotically Optimal One-Bit Quantizer Design for Weak-signal Detection in Generalized Gaussian Noise and Lossy Binary Communication Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Guanyu Wang, Jiang Zhu, Zhiwei Xu","submitted_at":"2018-05-08T13:54:34Z","abstract_excerpt":"In this paper, quantizer design for weak-signal detection under arbitrary binary channel in generalized Gaussian noise is studied. Since the performances of the generalized likelihood ratio test (GLRT) and Rao test are asymptotically characterized by the noncentral chi-squared probability density function (PDF), the threshold design problem can be formulated as a noncentrality parameter maximization problem. The theoretical property of the noncentrality parameter with respect to the threshold is investigated, and the optimal threshold is shown to be found in polynomial time with appropriate nu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03024","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":""},"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":"2026-05-18T00:16:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jiZEho5bOtF9/cv1Jqknw8kvugaAkJnu9pGJuk6olsxDNK5HUy/8qGBYD8JmJBswno18bFN+cM6B0VK6FYHNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:49:22.078712Z"},"content_sha256":"f9ba7019abeb946ebf0ba699e70c6b4ca76056dfb588ec74e2ebcc7cd69ce0b2","schema_version":"1.0","event_id":"sha256:f9ba7019abeb946ebf0ba699e70c6b4ca76056dfb588ec74e2ebcc7cd69ce0b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/bundle.json","state_url":"https://pith.science/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/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":"2026-06-04T08:49:22Z","links":{"resolver":"https://pith.science/pith/EGUNGSTRPBPUABDQYQ3MMJAERE","bundle":"https://pith.science/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/bundle.json","state":"https://pith.science/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EGUNGSTRPBPUABDQYQ3MMJAERE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EGUNGSTRPBPUABDQYQ3MMJAERE","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":"5df3d000dbe122fac1fc4d4f57a636515e34ff78d7c3a3db83903377bafed20c","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-05-08T13:54:34Z","title_canon_sha256":"6b99d3b13583d5df9d838aadebc35cb7cd3e58df773a180b216c6396c2485dbb"},"schema_version":"1.0","source":{"id":"1805.03024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03024","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03024v1","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03024","created_at":"2026-05-18T00:16:24Z"},{"alias_kind":"pith_short_12","alias_value":"EGUNGSTRPBPU","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EGUNGSTRPBPUABDQ","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EGUNGSTR","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:f9ba7019abeb946ebf0ba699e70c6b4ca76056dfb588ec74e2ebcc7cd69ce0b2","target":"graph","created_at":"2026-05-18T00:16:24Z","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":"In this paper, quantizer design for weak-signal detection under arbitrary binary channel in generalized Gaussian noise is studied. Since the performances of the generalized likelihood ratio test (GLRT) and Rao test are asymptotically characterized by the noncentral chi-squared probability density function (PDF), the threshold design problem can be formulated as a noncentrality parameter maximization problem. The theoretical property of the noncentrality parameter with respect to the threshold is investigated, and the optimal threshold is shown to be found in polynomial time with appropriate nu","authors_text":"Guanyu Wang, Jiang Zhu, Zhiwei Xu","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-05-08T13:54:34Z","title":"Asymptotically Optimal One-Bit Quantizer Design for Weak-signal Detection in Generalized Gaussian Noise and Lossy Binary Communication Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03024","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":"sha256:2b2d2e173d4b53d68bdec2ab44f08fcdb4fd825a4fa5017a731d264e24e09f7b","target":"record","created_at":"2026-05-18T00:16:24Z","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":"5df3d000dbe122fac1fc4d4f57a636515e34ff78d7c3a3db83903377bafed20c","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-05-08T13:54:34Z","title_canon_sha256":"6b99d3b13583d5df9d838aadebc35cb7cd3e58df773a180b216c6396c2485dbb"},"schema_version":"1.0","source":{"id":"1805.03024","kind":"arxiv","version":1}},"canonical_sha256":"21a8d34a71785f400470c436c624048904e1af4cd92d7ec97b7cde8cc43cfe56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21a8d34a71785f400470c436c624048904e1af4cd92d7ec97b7cde8cc43cfe56","first_computed_at":"2026-05-18T00:16:24.505053Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:24.505053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gqk/1jR5xx3xoALq0LkFbfxjZ/G3z2Q+elqA4zkz86Rch2X61ayo7Ked4KYiLkrvBgZNRsbhZvMNmY8BXYdQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:24.505752Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b2d2e173d4b53d68bdec2ab44f08fcdb4fd825a4fa5017a731d264e24e09f7b","sha256:f9ba7019abeb946ebf0ba699e70c6b4ca76056dfb588ec74e2ebcc7cd69ce0b2"],"state_sha256":"57b35add417d4265f52fca025c3d58fc44f725a18bdd3b334a6937d88cb375cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2ENh7vJXzRJNRWEWu0XWqNh5qRuWg7jO8ff3FNAGbH+rvRKhf+HYMANL8tp0rO2p9cHT8CoLR5WJQYiYTwdCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T08:49:22.082298Z","bundle_sha256":"eff44afe598c2ab98da4f65cefc94aafe3a2a995201ff428d631f65ce7544158"}}