{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VR3QGGAYO6QLPK4ZGDB53I4TJI","short_pith_number":"pith:VR3QGGAY","canonical_record":{"source":{"id":"1710.06655","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-18T10:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"2c55b48572c733265841728023e3504a0d63626e352ed5f2a14613ffd9ea093a","abstract_canon_sha256":"dca626b37ab8acba048eaa072f623e1aed4dfdac79d48a469b09e5245aa1cfc3"},"schema_version":"1.0"},"canonical_sha256":"ac7703181877a0b7ab9930c3dda3934a22fe4fe99ea1458dcfc1f6e22bf42f9c","source":{"kind":"arxiv","id":"1710.06655","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.06655","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1710.06655v3","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.06655","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"VR3QGGAYO6QL","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_16","alias_value":"VR3QGGAYO6QLPK4Z","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_8","alias_value":"VR3QGGAY","created_at":"2026-07-05T03:35:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VR3QGGAYO6QLPK4ZGDB53I4TJI","target":"record","payload":{"canonical_record":{"source":{"id":"1710.06655","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-18T10:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"2c55b48572c733265841728023e3504a0d63626e352ed5f2a14613ffd9ea093a","abstract_canon_sha256":"dca626b37ab8acba048eaa072f623e1aed4dfdac79d48a469b09e5245aa1cfc3"},"schema_version":"1.0"},"canonical_sha256":"ac7703181877a0b7ab9930c3dda3934a22fe4fe99ea1458dcfc1f6e22bf42f9c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:35:47.250112Z","signature_b64":"p/AgRXGQEGYiraiXuVYJ43z/Ssr3Hhxr1nRklXrRERb2npST+Zo1sl7TjuS2nsEXp0NY0zfU5GWaseXbn1LsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac7703181877a0b7ab9930c3dda3934a22fe4fe99ea1458dcfc1f6e22bf42f9c","last_reissued_at":"2026-07-05T03:35:47.249699Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:35:47.249699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.06655","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":"2026-07-05T03:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d4AQlA8UE/tXfW6UbSQ82nqsmne2rTQeldubo+xQOHZRvfz7TGiJWZ8sFtETQp10/lOcpMAeag5+swxaJ9K8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T01:56:11.870965Z"},"content_sha256":"d9d31c17c7a6b1101941edd34aa06597873689793fe13b82a8d748e9c687b22b","schema_version":"1.0","event_id":"sha256:d9d31c17c7a6b1101941edd34aa06597873689793fe13b82a8d748e9c687b22b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VR3QGGAYO6QLPK4ZGDB53I4TJI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Fast Blind Impulse Detector for Bernoulli-Gaussian Noise in Underspread Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Bin Han, Hans D. Schotten","submitted_at":"2017-10-18T10:06:11Z","abstract_excerpt":"The Bernoulli-Gaussian (BG) model is practical to characterize impulsive noises that widely exist in various communication systems. To estimate the BG model parameters from noise measurements, a precise impulse detection is essential. In this paper, we propose a novel blind impulse detector, which is proven to be fast and accurate for BG noise in underspread communication channels."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.06655","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1710.06655/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":"2026-07-05T03:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uNtJ0mV0p3rlqypP2pXzuND8fpLGNURu27kAwU7rKHa/eVs8dI5Hy4riOlkQWDDy9Lo1ZNDIauvmUIBjIOdJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T01:56:11.871336Z"},"content_sha256":"920aa5422b5be11e17ddf4f2fd3147b3a8e2071d6340df490f364e3144a0721a","schema_version":"1.0","event_id":"sha256:920aa5422b5be11e17ddf4f2fd3147b3a8e2071d6340df490f364e3144a0721a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/bundle.json","state_url":"https://pith.science/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/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":"2026-07-22T01:56:11Z","links":{"resolver":"https://pith.science/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI","bundle":"https://pith.science/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/bundle.json","state":"https://pith.science/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VR3QGGAYO6QLPK4ZGDB53I4TJI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VR3QGGAYO6QLPK4ZGDB53I4TJI","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":"dca626b37ab8acba048eaa072f623e1aed4dfdac79d48a469b09e5245aa1cfc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-18T10:06:11Z","title_canon_sha256":"2c55b48572c733265841728023e3504a0d63626e352ed5f2a14613ffd9ea093a"},"schema_version":"1.0","source":{"id":"1710.06655","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.06655","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1710.06655v3","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.06655","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"VR3QGGAYO6QL","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_16","alias_value":"VR3QGGAYO6QLPK4Z","created_at":"2026-07-05T03:35:47Z"},{"alias_kind":"pith_short_8","alias_value":"VR3QGGAY","created_at":"2026-07-05T03:35:47Z"}],"graph_snapshots":[{"event_id":"sha256:920aa5422b5be11e17ddf4f2fd3147b3a8e2071d6340df490f364e3144a0721a","target":"graph","created_at":"2026-07-05T03:35:47Z","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/1710.06655/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Bernoulli-Gaussian (BG) model is practical to characterize impulsive noises that widely exist in various communication systems. To estimate the BG model parameters from noise measurements, a precise impulse detection is essential. In this paper, we propose a novel blind impulse detector, which is proven to be fast and accurate for BG noise in underspread communication channels.","authors_text":"Bin Han, Hans D. Schotten","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-18T10:06:11Z","title":"A Fast Blind Impulse Detector for Bernoulli-Gaussian Noise in Underspread Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.06655","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:d9d31c17c7a6b1101941edd34aa06597873689793fe13b82a8d748e9c687b22b","target":"record","created_at":"2026-07-05T03:35:47Z","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":"dca626b37ab8acba048eaa072f623e1aed4dfdac79d48a469b09e5245aa1cfc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-18T10:06:11Z","title_canon_sha256":"2c55b48572c733265841728023e3504a0d63626e352ed5f2a14613ffd9ea093a"},"schema_version":"1.0","source":{"id":"1710.06655","kind":"arxiv","version":3}},"canonical_sha256":"ac7703181877a0b7ab9930c3dda3934a22fe4fe99ea1458dcfc1f6e22bf42f9c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac7703181877a0b7ab9930c3dda3934a22fe4fe99ea1458dcfc1f6e22bf42f9c","first_computed_at":"2026-07-05T03:35:47.249699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:35:47.249699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p/AgRXGQEGYiraiXuVYJ43z/Ssr3Hhxr1nRklXrRERb2npST+Zo1sl7TjuS2nsEXp0NY0zfU5GWaseXbn1LsDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:35:47.250112Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.06655","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9d31c17c7a6b1101941edd34aa06597873689793fe13b82a8d748e9c687b22b","sha256:920aa5422b5be11e17ddf4f2fd3147b3a8e2071d6340df490f364e3144a0721a"],"state_sha256":"8f7b29026ebd99ad20be7ca66e171df8644e501f2def919d2cd443ec8871a301"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9E8wMk+Ml4zfrBrIdFCYPvYJKweiqRMiyzgashZJSClpCb3x8MZW6EScozQKQS6J/r14PajABKZ0Jtjn9riqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T01:56:11.873231Z","bundle_sha256":"bf2af323b2f70521177e5b90b23b53c23ed3c03db922f1393b60a45b1f8245e8"}}