{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QNOPCJMSFQFNKCFBUA746KZRYI","short_pith_number":"pith:QNOPCJMS","canonical_record":{"source":{"id":"2202.05143","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-02-10T16:49:32Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"57f3b5a5af4603d581208dcb81aa50ca1deb6233e9a84ba4fbda3fc93c53a779","abstract_canon_sha256":"1e0ea585e645cd4d86742efc7d48d4f615c4ffc61a9efafe279ffcdae02f52fa"},"schema_version":"1.0"},"canonical_sha256":"835cf125922c0ad508a1a03fcf2b31c2287cf60cef26ababe62120a9cba1221e","source":{"kind":"arxiv","id":"2202.05143","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.05143","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2202.05143v2","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.05143","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"QNOPCJMSFQFN","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"QNOPCJMSFQFNKCFB","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"QNOPCJMS","created_at":"2026-07-05T04:22:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QNOPCJMSFQFNKCFBUA746KZRYI","target":"record","payload":{"canonical_record":{"source":{"id":"2202.05143","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-02-10T16:49:32Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"57f3b5a5af4603d581208dcb81aa50ca1deb6233e9a84ba4fbda3fc93c53a779","abstract_canon_sha256":"1e0ea585e645cd4d86742efc7d48d4f615c4ffc61a9efafe279ffcdae02f52fa"},"schema_version":"1.0"},"canonical_sha256":"835cf125922c0ad508a1a03fcf2b31c2287cf60cef26ababe62120a9cba1221e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:22:19.540915Z","signature_b64":"gcR8xf5yq9qvg3mCM/+BN0fv5LTKEuJ+OIxFXbdL8uFHCc9p67lnrWDiMEHyb6zJh1SVADNvMl6yc4mk+M3rCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"835cf125922c0ad508a1a03fcf2b31c2287cf60cef26ababe62120a9cba1221e","last_reissued_at":"2026-07-05T04:22:19.540509Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:22:19.540509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.05143","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MJk+ZWjovtyBltNcgMdu4BZODlajnN90zGiPhmeHDqvCQGn9GJgLZF63anyDyvBsGBEx4jHG1RtantxOUZ33Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:54:59.318113Z"},"content_sha256":"f96e3da45b9b6a18a73f57d3f7c272f5e3ce7ef36c6c24bc2439e24d879d133a","schema_version":"1.0","event_id":"sha256:f96e3da45b9b6a18a73f57d3f7c272f5e3ce7ef36c6c24bc2439e24d879d133a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QNOPCJMSFQFNKCFBUA746KZRYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Acquisition of Stationary Signals Using Uniform ADCs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Gerhard Fettweis, Meik D\\\"orpinghaus, Nir Shlezinger, Peter Neuhaus, Yonina C. Eldar","submitted_at":"2022-02-10T16:49:32Z","abstract_excerpt":"In this work, we consider the acquisition of stationary signals using uniform analog-to-digital converters (ADCs), i.e., employing uniform sampling and scalar uniform quantization. We jointly optimize the pre-sampling and reconstruction filters to minimize the time-averaged mean-squared error (TMSE) in recovering the continuous-time input signal for a fixed sampling rate and quantizer resolution and obtain closed-form expressions for the minimal achievable TMSE. We show that the TMSE-minimizing pre-sampling filter omits aliasing and discards weak frequency components to resolve the remaining o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.05143","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2202.05143/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lM5FXKHndrQEE28xtw4vyy0zw+uvsQOo7N8kwpGwd+Il+97RY4GVRcXmqM8VvhcANXx/MvNYg5+77wMSR3GuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:54:59.318629Z"},"content_sha256":"09a9257337cd3ea48723a757fb2419b9651b379cf9c884f658a44341736e0e11","schema_version":"1.0","event_id":"sha256:09a9257337cd3ea48723a757fb2419b9651b379cf9c884f658a44341736e0e11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QNOPCJMSFQFNKCFBUA746KZRYI/bundle.json","state_url":"https://pith.science/pith/QNOPCJMSFQFNKCFBUA746KZRYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QNOPCJMSFQFNKCFBUA746KZRYI/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":"2026-08-07T10:54:59Z","links":{"resolver":"https://pith.science/pith/QNOPCJMSFQFNKCFBUA746KZRYI","bundle":"https://pith.science/pith/QNOPCJMSFQFNKCFBUA746KZRYI/bundle.json","state":"https://pith.science/pith/QNOPCJMSFQFNKCFBUA746KZRYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QNOPCJMSFQFNKCFBUA746KZRYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QNOPCJMSFQFNKCFBUA746KZRYI","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":"1e0ea585e645cd4d86742efc7d48d4f615c4ffc61a9efafe279ffcdae02f52fa","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-02-10T16:49:32Z","title_canon_sha256":"57f3b5a5af4603d581208dcb81aa50ca1deb6233e9a84ba4fbda3fc93c53a779"},"schema_version":"1.0","source":{"id":"2202.05143","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.05143","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"2202.05143v2","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.05143","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"QNOPCJMSFQFN","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_16","alias_value":"QNOPCJMSFQFNKCFB","created_at":"2026-07-05T04:22:19Z"},{"alias_kind":"pith_short_8","alias_value":"QNOPCJMS","created_at":"2026-07-05T04:22:19Z"}],"graph_snapshots":[{"event_id":"sha256:09a9257337cd3ea48723a757fb2419b9651b379cf9c884f658a44341736e0e11","target":"graph","created_at":"2026-07-05T04:22:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2202.05143/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we consider the acquisition of stationary signals using uniform analog-to-digital converters (ADCs), i.e., employing uniform sampling and scalar uniform quantization. We jointly optimize the pre-sampling and reconstruction filters to minimize the time-averaged mean-squared error (TMSE) in recovering the continuous-time input signal for a fixed sampling rate and quantizer resolution and obtain closed-form expressions for the minimal achievable TMSE. We show that the TMSE-minimizing pre-sampling filter omits aliasing and discards weak frequency components to resolve the remaining o","authors_text":"Gerhard Fettweis, Meik D\\\"orpinghaus, Nir Shlezinger, Peter Neuhaus, Yonina C. Eldar","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-02-10T16:49:32Z","title":"On the Acquisition of Stationary Signals Using Uniform ADCs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.05143","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:f96e3da45b9b6a18a73f57d3f7c272f5e3ce7ef36c6c24bc2439e24d879d133a","target":"record","created_at":"2026-07-05T04:22:19Z","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":"1e0ea585e645cd4d86742efc7d48d4f615c4ffc61a9efafe279ffcdae02f52fa","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2022-02-10T16:49:32Z","title_canon_sha256":"57f3b5a5af4603d581208dcb81aa50ca1deb6233e9a84ba4fbda3fc93c53a779"},"schema_version":"1.0","source":{"id":"2202.05143","kind":"arxiv","version":2}},"canonical_sha256":"835cf125922c0ad508a1a03fcf2b31c2287cf60cef26ababe62120a9cba1221e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"835cf125922c0ad508a1a03fcf2b31c2287cf60cef26ababe62120a9cba1221e","first_computed_at":"2026-07-05T04:22:19.540509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:22:19.540509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gcR8xf5yq9qvg3mCM/+BN0fv5LTKEuJ+OIxFXbdL8uFHCc9p67lnrWDiMEHyb6zJh1SVADNvMl6yc4mk+M3rCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:22:19.540915Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.05143","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f96e3da45b9b6a18a73f57d3f7c272f5e3ce7ef36c6c24bc2439e24d879d133a","sha256:09a9257337cd3ea48723a757fb2419b9651b379cf9c884f658a44341736e0e11"],"state_sha256":"dee4e970648c42539e9d8d22937b00be480f63e678b72214de1b7c91af434e23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hoom0vpMFS0AyoHheu0Dmo3Dzxq41p8MaRo+75bkY58pzX00CFpBVTUMw8LRBSLsZnkKoJIkN3E6yMpuWIxfBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T10:54:59.324171Z","bundle_sha256":"329303df630dbfff7c0987b1f5955eae37a561aeebde27066c0edf70496e8f44"}}