{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VPSUOU4C3NHDSZBMG3UEC76OMC","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":"6f51acc853e912fd2bc4afca0f666de998fc457da942349cdc7e65940210bcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-04-26T12:27:02Z","title_canon_sha256":"6c657e51bfc23b5fdd9ef61762d543b310f0d5be3a3a872f0fd81f122f8658e4"},"schema_version":"1.0","source":{"id":"1804.10015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10015","created_at":"2026-05-18T00:17:23Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10015v1","created_at":"2026-05-18T00:17:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10015","created_at":"2026-05-18T00:17:23Z"},{"alias_kind":"pith_short_12","alias_value":"VPSUOU4C3NHD","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VPSUOU4C3NHDSZBM","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VPSUOU4C","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:5257811213a64f7eb525f253e636b82715f29392e0fd07c9c91765052d39a420","target":"graph","created_at":"2026-05-18T00:17:23Z","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 estimation of signal parameters using quantized data is a recurrent problem in electrical engineering. As an example, this includes the estimation of a noisy constant value and of the parameters of a sinewave, that is, its amplitude, initial record phase, and offset. Conventional algorithms, such as the arithmetic mean, in the case of the estimation of a constant, are known not to be optimal in the presence of quantization errors. They provide biased estimates if particular conditions regarding the quantization process are not met, as it usually happens in practice. In this paper, a quanti","authors_text":"Antonio Moschitta, Johan Schoukens, Paolo Carbone","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-04-26T12:27:02Z","title":"Parametric System Identification Using Quantized Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10015","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":"sha256:4f1df75ecd532f6e884a3fc08bbdd3a129b38d9431168c1d16f2fd65e5b310a5","target":"record","created_at":"2026-05-18T00:17:23Z","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":"6f51acc853e912fd2bc4afca0f666de998fc457da942349cdc7e65940210bcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-04-26T12:27:02Z","title_canon_sha256":"6c657e51bfc23b5fdd9ef61762d543b310f0d5be3a3a872f0fd81f122f8658e4"},"schema_version":"1.0","source":{"id":"1804.10015","kind":"arxiv","version":1}},"canonical_sha256":"abe5475382db4e39642c36e8417fce60b96f8dc20b56c77be820169b9636e575","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abe5475382db4e39642c36e8417fce60b96f8dc20b56c77be820169b9636e575","first_computed_at":"2026-05-18T00:17:23.493759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:23.493759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2JFyitOGNCZ5k4Pj7aV4WESjbSJz/Kx4+9tDLH3eLrLLjb0rfZxolbPovshXmRByFHq1xfqQt3HVwwLKTHqxAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:23.494296Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f1df75ecd532f6e884a3fc08bbdd3a129b38d9431168c1d16f2fd65e5b310a5","sha256:5257811213a64f7eb525f253e636b82715f29392e0fd07c9c91765052d39a420"],"state_sha256":"5b70a29012d2abed87f88954b5bbeb8baab5cce844cdc2c23b8c0b5b1b609af9"}