{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HBIHL5EFWTHG4YI5IPLNW4FWEC","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":"f80ffb988d0a9cdc6223ad19de30f3a9e209c80dc384f5fad8ca8597554cce5b","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T13:31:18Z","title_canon_sha256":"49e8f61e0ddb00b9814da0e651ad149e893793f77aeeca401b7615c55fe05cda"},"schema_version":"1.0","source":{"id":"1207.4661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4661","created_at":"2026-05-18T03:50:36Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4661v1","created_at":"2026-05-18T03:50:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4661","created_at":"2026-05-18T03:50:36Z"},{"alias_kind":"pith_short_12","alias_value":"HBIHL5EFWTHG","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HBIHL5EFWTHG4YI5","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HBIHL5EF","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:85049e176834334dbb92346f43bf45620855fa60cf820ef03ff8ae8f31ae0a90","target":"graph","created_at":"2026-05-18T03:50:36Z","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":"A new family of codes based on polar codes, soft concatenation and list+CRC decoding is proposed. Numerical experiments show the performance competitive with industry standards and Tal, Vardy approach.","authors_text":"Gregory Bonik, Nickolai Zamarashkin, Sergei Goreinov","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T13:31:18Z","title":"A variant of list plus CRC concatenated polar code"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4661","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":"sha256:37e956a143ac2f6e5e95b2f235510652ed2796ffbb6c19c3bb34f09fc17cc037","target":"record","created_at":"2026-05-18T03:50:36Z","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":"f80ffb988d0a9cdc6223ad19de30f3a9e209c80dc384f5fad8ca8597554cce5b","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T13:31:18Z","title_canon_sha256":"49e8f61e0ddb00b9814da0e651ad149e893793f77aeeca401b7615c55fe05cda"},"schema_version":"1.0","source":{"id":"1207.4661","kind":"arxiv","version":1}},"canonical_sha256":"385075f485b4ce6e611d43d6db70b62097cef5a39b4d84f85a35a2a7bcaf4f02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"385075f485b4ce6e611d43d6db70b62097cef5a39b4d84f85a35a2a7bcaf4f02","first_computed_at":"2026-05-18T03:50:36.212495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:50:36.212495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mzclsD8k5ETDEijSe+fSa8YhsSVnIYImXuY3P40t3OTpjlsxkUAUMfR0nTUULflltH1ZjBjJj/m0/12Bnv8xCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:50:36.213344Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37e956a143ac2f6e5e95b2f235510652ed2796ffbb6c19c3bb34f09fc17cc037","sha256:85049e176834334dbb92346f43bf45620855fa60cf820ef03ff8ae8f31ae0a90"],"state_sha256":"f885faf4048cf43e16586e8bd409cc5f02a5b160a78cc0bddadfbe842fede43a"}