{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:SLWDHKSHOL52RSB2TDYHJITJ7J","short_pith_number":"pith:SLWDHKSH","canonical_record":{"source":{"id":"1104.1962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-04-11T14:44:00Z","cross_cats_sorted":[],"title_canon_sha256":"e2b42465a2c58cfb3a46af7a907c1a99a526cd4b98e576c2b08801fd66211e15","abstract_canon_sha256":"6434bb8ceef16aff654405fdd7c18bf486bb03c3f0953117beb8afdb4546edc5"},"schema_version":"1.0"},"canonical_sha256":"92ec33aa4772fba8c83a98f074a269fa79fd1f36eb7baba768085a185d338605","source":{"kind":"arxiv","id":"1104.1962","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1962","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1962v1","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1962","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"SLWDHKSHOL52","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SLWDHKSHOL52RSB2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SLWDHKSH","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:SLWDHKSHOL52RSB2TDYHJITJ7J","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-04-11T14:44:00Z","cross_cats_sorted":[],"title_canon_sha256":"e2b42465a2c58cfb3a46af7a907c1a99a526cd4b98e576c2b08801fd66211e15","abstract_canon_sha256":"6434bb8ceef16aff654405fdd7c18bf486bb03c3f0953117beb8afdb4546edc5"},"schema_version":"1.0"},"canonical_sha256":"92ec33aa4772fba8c83a98f074a269fa79fd1f36eb7baba768085a185d338605","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:36.813757Z","signature_b64":"4YLJuSFsHR28TLClZPxL5E1xCujU8B8zCmqZJpEjnCPSKTV9AqBS1TOqU56PKB0x7KOCa5Xr1Ht7HoemE2OQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92ec33aa4772fba8c83a98f074a269fa79fd1f36eb7baba768085a185d338605","last_reissued_at":"2026-05-18T04:24:36.813281Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:36.813281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1962","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":"2026-05-18T04:24:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+ZqMSaM5gwJuULFDyryiXL101bVRRxDCFcjicGhOMktUMieU983VrIp4uw4XLNvdUa10dJoaaHuzCJuGsqTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T14:45:55.703774Z"},"content_sha256":"82a257a3adcde9599a4028ebbeae9cfafa0c781e2e042f4588bd0333637f30a5","schema_version":"1.0","event_id":"sha256:82a257a3adcde9599a4028ebbeae9cfafa0c781e2e042f4588bd0333637f30a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:SLWDHKSHOL52RSB2TDYHJITJ7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulation and Performance Analysis of Adaptive Filtering Algorithms in Noise Cancellation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.OH","authors_text":"Fariha Tasmin Jaigirdar, Lilatul Ferdouse, Nasrin Akhter, Tamanna Haque Nipa","submitted_at":"2011-04-11T14:44:00Z","abstract_excerpt":"Noise problems in signals have gained huge attention due to the need of noise-free output signal in numerous communication systems. The principal of adaptive noise cancellation is to acquire an estimation of the unwanted interfering signal and subtract it from the corrupted signal. Noise cancellation operation is controlled adaptively with the target of achieving improved signal to noise ratio. This paper concentrates upon the analysis of adaptive noise canceller using Recursive Least Square (RLS), Fast Transversal Recursive Least Square (FTRLS) and Gradient Adaptive Lattice (GAL) algorithms. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1962","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":"2026-05-18T04:24:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kZgKrsHj8d95CsDITV2B7IXJhfVqUY4Cw5WqHTz+pd9rI6okFqEZljErWj2juykZxWigQ2WLQyYBBgl44yHvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T14:45:55.704295Z"},"content_sha256":"ad44d78859210fa05b6985a3e5e3fa709834c159ad87afeae498d31a1d1ac57e","schema_version":"1.0","event_id":"sha256:ad44d78859210fa05b6985a3e5e3fa709834c159ad87afeae498d31a1d1ac57e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/bundle.json","state_url":"https://pith.science/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/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":"2026-08-17T14:45:55Z","links":{"resolver":"https://pith.science/pith/SLWDHKSHOL52RSB2TDYHJITJ7J","bundle":"https://pith.science/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/bundle.json","state":"https://pith.science/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SLWDHKSHOL52RSB2TDYHJITJ7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SLWDHKSHOL52RSB2TDYHJITJ7J","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":"6434bb8ceef16aff654405fdd7c18bf486bb03c3f0953117beb8afdb4546edc5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-04-11T14:44:00Z","title_canon_sha256":"e2b42465a2c58cfb3a46af7a907c1a99a526cd4b98e576c2b08801fd66211e15"},"schema_version":"1.0","source":{"id":"1104.1962","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1962","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1962v1","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1962","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"SLWDHKSHOL52","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SLWDHKSHOL52RSB2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SLWDHKSH","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:ad44d78859210fa05b6985a3e5e3fa709834c159ad87afeae498d31a1d1ac57e","target":"graph","created_at":"2026-05-18T04:24:36Z","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":"Noise problems in signals have gained huge attention due to the need of noise-free output signal in numerous communication systems. The principal of adaptive noise cancellation is to acquire an estimation of the unwanted interfering signal and subtract it from the corrupted signal. Noise cancellation operation is controlled adaptively with the target of achieving improved signal to noise ratio. This paper concentrates upon the analysis of adaptive noise canceller using Recursive Least Square (RLS), Fast Transversal Recursive Least Square (FTRLS) and Gradient Adaptive Lattice (GAL) algorithms. ","authors_text":"Fariha Tasmin Jaigirdar, Lilatul Ferdouse, Nasrin Akhter, Tamanna Haque Nipa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-04-11T14:44:00Z","title":"Simulation and Performance Analysis of Adaptive Filtering Algorithms in Noise Cancellation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1962","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":"sha256:82a257a3adcde9599a4028ebbeae9cfafa0c781e2e042f4588bd0333637f30a5","target":"record","created_at":"2026-05-18T04:24:36Z","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":"6434bb8ceef16aff654405fdd7c18bf486bb03c3f0953117beb8afdb4546edc5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OH","submitted_at":"2011-04-11T14:44:00Z","title_canon_sha256":"e2b42465a2c58cfb3a46af7a907c1a99a526cd4b98e576c2b08801fd66211e15"},"schema_version":"1.0","source":{"id":"1104.1962","kind":"arxiv","version":1}},"canonical_sha256":"92ec33aa4772fba8c83a98f074a269fa79fd1f36eb7baba768085a185d338605","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92ec33aa4772fba8c83a98f074a269fa79fd1f36eb7baba768085a185d338605","first_computed_at":"2026-05-18T04:24:36.813281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:36.813281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4YLJuSFsHR28TLClZPxL5E1xCujU8B8zCmqZJpEjnCPSKTV9AqBS1TOqU56PKB0x7KOCa5Xr1Ht7HoemE2OQBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:36.813757Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1962","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82a257a3adcde9599a4028ebbeae9cfafa0c781e2e042f4588bd0333637f30a5","sha256:ad44d78859210fa05b6985a3e5e3fa709834c159ad87afeae498d31a1d1ac57e"],"state_sha256":"660c3ca73e669fb0821dcf319f78ec3607655cb5276b44c8dc5f71c27369e2e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z1N2ze8SRh0uvos4Ktj96+k19i/ahFX8iRXIHdMYKWApIdYIMRFHcy8bAQofrYsewChreuadPSLN3runGiAVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T14:45:55.709259Z","bundle_sha256":"a342c7d2020688e3decd45b33cd450139c2faa54f30719fe201572005980bec1"}}