{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TC7THE2IK7ZGTXYQRHTEMMKT5C","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":"99a9367bfbe70a7f3e61b9498311dfd376952d7bab58a0f758b8608305dac694","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-09-28T09:17:17Z","title_canon_sha256":"32dff737aed3af0d621112ba936c0a696dbe03114306d11d97612123942f0156"},"schema_version":"1.0","source":{"id":"1709.09862","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.09862","created_at":"2026-05-18T00:34:06Z"},{"alias_kind":"arxiv_version","alias_value":"1709.09862v1","created_at":"2026-05-18T00:34:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.09862","created_at":"2026-05-18T00:34:06Z"},{"alias_kind":"pith_short_12","alias_value":"TC7THE2IK7ZG","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TC7THE2IK7ZGTXYQ","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TC7THE2I","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:66aaac21be2d92afc3eab3d53a7bf6dcc2c8a458396932c44060e7fede59aecc","target":"graph","created_at":"2026-05-18T00:34:06Z","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":"We investigate the risk of overestimating the performance gain when applying neural network based receivers in systems with pseudo random bit sequences or with limited memory depths, resulting in repeated short patterns. We show that with such sequences, a large artificial gain can be obtained which comes from pattern prediction rather than predicting or compensating the studied channel/phenomena.","authors_text":"Andreas Leven, Henning B\\\"ulow, Tobias A. Eriksson","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-09-28T09:17:17Z","title":"Applying Neural Networks in Optical Communication Systems: Possible Pitfalls"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.09862","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":"sha256:3ffc174ab3e8e9f683917e6c795ceed7ef09e13a39f4c71516fc9c13002e3235","target":"record","created_at":"2026-05-18T00:34:06Z","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":"99a9367bfbe70a7f3e61b9498311dfd376952d7bab58a0f758b8608305dac694","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-09-28T09:17:17Z","title_canon_sha256":"32dff737aed3af0d621112ba936c0a696dbe03114306d11d97612123942f0156"},"schema_version":"1.0","source":{"id":"1709.09862","kind":"arxiv","version":1}},"canonical_sha256":"98bf33934857f269df1089e6463153e8b16d69ad8e06a7807e4ea6e1bd36ba8e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98bf33934857f269df1089e6463153e8b16d69ad8e06a7807e4ea6e1bd36ba8e","first_computed_at":"2026-05-18T00:34:06.460483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:06.460483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z5Z07AhAI8Ge9hD/ASUByY7MrBfXWSl+jOaISDb2bsNRBnGweKKhu44h5PxENn535n+JvSYEhBRgRG+hPTPyBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:06.461173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.09862","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ffc174ab3e8e9f683917e6c795ceed7ef09e13a39f4c71516fc9c13002e3235","sha256:66aaac21be2d92afc3eab3d53a7bf6dcc2c8a458396932c44060e7fede59aecc"],"state_sha256":"980cb50828b1d9521a1da61ad8560151bd2dbe754a68358f3f0eb8bad48bce7b"}