{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UFYBPSXQHXEE7PDYRZZR67JHWX","short_pith_number":"pith:UFYBPSXQ","canonical_record":{"source":{"id":"1706.01174","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-05T01:41:40Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"07b048ab24579f07efe518efec4d6109e209a86de60ec39c166137c947bd8f0b","abstract_canon_sha256":"79259ed36d6037e9196988fb5c9c7f05627eb588fd6f7b8dbf5d5682e43f8123"},"schema_version":"1.0"},"canonical_sha256":"a17017caf03dc84fbc788e731f7d27b5cf27e3da6fcb98d08cde3fd5e42ce588","source":{"kind":"arxiv","id":"1706.01174","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.01174","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1706.01174v3","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01174","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"UFYBPSXQHXEE","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UFYBPSXQHXEE7PDY","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UFYBPSXQ","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UFYBPSXQHXEE7PDYRZZR67JHWX","target":"record","payload":{"canonical_record":{"source":{"id":"1706.01174","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-05T01:41:40Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"07b048ab24579f07efe518efec4d6109e209a86de60ec39c166137c947bd8f0b","abstract_canon_sha256":"79259ed36d6037e9196988fb5c9c7f05627eb588fd6f7b8dbf5d5682e43f8123"},"schema_version":"1.0"},"canonical_sha256":"a17017caf03dc84fbc788e731f7d27b5cf27e3da6fcb98d08cde3fd5e42ce588","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:16.135092Z","signature_b64":"ssx+2WFyWgX+rMVLoCxzZOoHJGshyG0ug6FBJaXf3xUGWvHRtEGPcs5F2WkhGNkWbhdFg6uTVqEoOu60+qGQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a17017caf03dc84fbc788e731f7d27b5cf27e3da6fcb98d08cde3fd5e42ce588","last_reissued_at":"2026-05-18T00:08:16.134579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:16.134579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.01174","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uM441cMFXlIUUe2XoGBUGsNKT7THnzwYQAw+/COymjNAqRUtw5Ox5cOupbHBDG0nbPj3qMJxyx7XshLcrVMVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:42:54.978567Z"},"content_sha256":"5efde1e915db85d1cde4c7f32b0e5cf1a4b4e3a39a3685d34bebab2e03697734","schema_version":"1.0","event_id":"sha256:5efde1e915db85d1cde4c7f32b0e5cf1a4b4e3a39a3685d34bebab2e03697734"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UFYBPSXQHXEE7PDYRZZR67JHWX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signal Amplitude Estimation and Detection from Unlabeled Binary Quantized Samples","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Guanyu Wang, Jiang Zhu, Paolo Braca, Peter Willett, Rick S. Blum, Stefano Marano, Vincenzo Matta","submitted_at":"2017-06-05T01:41:40Z","abstract_excerpt":"Signal amplitude estimation and detection from unlabeled quantized binary samples are studied, assuming that the order of the time indexes is completely unknown. First, maximum likelihood (ML) estimators are utilized to estimate both the permutation matrix and unknown signal amplitude under arbitrary, but known signal shape and quantizer thresholds. Sufficient conditions are provided under which an ML estimator can be found in polynomial time and an alternating maximization algorithm is proposed to solve the general problem via good initial estimates. In addition, the statistical identifiabili"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01174","kind":"arxiv","version":3},"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":"2026-05-18T00:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"93ooPUiALfyH4AONdm7nAtPHb5eTtd+iYITmV1nalYOOv+PMqM1lxVzP8WbyFwybmliWHWbw2ZmeUlZHDyOIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:42:54.978918Z"},"content_sha256":"90625228ecc361320149a9eb3edd21c20a528d53d9d544ce5a767e89b50adff2","schema_version":"1.0","event_id":"sha256:90625228ecc361320149a9eb3edd21c20a528d53d9d544ce5a767e89b50adff2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/bundle.json","state_url":"https://pith.science/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/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":"2026-06-04T12:42:54Z","links":{"resolver":"https://pith.science/pith/UFYBPSXQHXEE7PDYRZZR67JHWX","bundle":"https://pith.science/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/bundle.json","state":"https://pith.science/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFYBPSXQHXEE7PDYRZZR67JHWX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UFYBPSXQHXEE7PDYRZZR67JHWX","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":"79259ed36d6037e9196988fb5c9c7f05627eb588fd6f7b8dbf5d5682e43f8123","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-05T01:41:40Z","title_canon_sha256":"07b048ab24579f07efe518efec4d6109e209a86de60ec39c166137c947bd8f0b"},"schema_version":"1.0","source":{"id":"1706.01174","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.01174","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1706.01174v3","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01174","created_at":"2026-05-18T00:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"UFYBPSXQHXEE","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UFYBPSXQHXEE7PDY","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UFYBPSXQ","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:90625228ecc361320149a9eb3edd21c20a528d53d9d544ce5a767e89b50adff2","target":"graph","created_at":"2026-05-18T00:08:16Z","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":"Signal amplitude estimation and detection from unlabeled quantized binary samples are studied, assuming that the order of the time indexes is completely unknown. First, maximum likelihood (ML) estimators are utilized to estimate both the permutation matrix and unknown signal amplitude under arbitrary, but known signal shape and quantizer thresholds. Sufficient conditions are provided under which an ML estimator can be found in polynomial time and an alternating maximization algorithm is proposed to solve the general problem via good initial estimates. In addition, the statistical identifiabili","authors_text":"Guanyu Wang, Jiang Zhu, Paolo Braca, Peter Willett, Rick S. Blum, Stefano Marano, Vincenzo Matta","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-05T01:41:40Z","title":"Signal Amplitude Estimation and Detection from Unlabeled Binary Quantized Samples"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01174","kind":"arxiv","version":3},"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":"sha256:5efde1e915db85d1cde4c7f32b0e5cf1a4b4e3a39a3685d34bebab2e03697734","target":"record","created_at":"2026-05-18T00:08:16Z","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":"79259ed36d6037e9196988fb5c9c7f05627eb588fd6f7b8dbf5d5682e43f8123","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-05T01:41:40Z","title_canon_sha256":"07b048ab24579f07efe518efec4d6109e209a86de60ec39c166137c947bd8f0b"},"schema_version":"1.0","source":{"id":"1706.01174","kind":"arxiv","version":3}},"canonical_sha256":"a17017caf03dc84fbc788e731f7d27b5cf27e3da6fcb98d08cde3fd5e42ce588","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a17017caf03dc84fbc788e731f7d27b5cf27e3da6fcb98d08cde3fd5e42ce588","first_computed_at":"2026-05-18T00:08:16.134579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:16.134579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ssx+2WFyWgX+rMVLoCxzZOoHJGshyG0ug6FBJaXf3xUGWvHRtEGPcs5F2WkhGNkWbhdFg6uTVqEoOu60+qGQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:16.135092Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.01174","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5efde1e915db85d1cde4c7f32b0e5cf1a4b4e3a39a3685d34bebab2e03697734","sha256:90625228ecc361320149a9eb3edd21c20a528d53d9d544ce5a767e89b50adff2"],"state_sha256":"18d28fe32bb03cbc2ab93f088ec4ef695490ab4f4a42b42bfcb1672043d6b576"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mWq3Hzb4nMECI8NNQDYmxXQI0Gxt3GR20KzaFeia7J2L0fAn9UsCDzsFfyjSWGgK5+HqlArH/Fj24bBB5jzNBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T12:42:54.981087Z","bundle_sha256":"748a70b98add559cdb4aeeffcd8729d89eea00a5a9ff63bbe73c9319d4cbab43"}}