{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:7DTSKT5OFUSJAHLVR4EI4SXWWK","short_pith_number":"pith:7DTSKT5O","schema_version":"1.0","canonical_sha256":"f8e7254fae2d24901d758f088e4af6b2967bcd4618352dca1c432370d02d0ea6","source":{"kind":"arxiv","id":"2508.16498","version":2},"attestation_state":"computed","paper":{"title":"Enhanced Successive Cancellation List Decoder for Long Polar Codes Targeting Air Interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jiajie Li, Sihui Shen, Warren J. Gross","submitted_at":"2025-08-22T16:24:46Z","abstract_excerpt":"Polar codes are the first codes with a proven capacity-achieving capability, but their decoding faces several challenges, especially under long code lengths. In this paper, we target algorithmic improvements and analyses to enable the implementation of long polar codes (e.g., length 8K bits) by addressing key challenges in memory usage and computational complexity presented by successive cancellation list (SCL) polar decoding. Perturbation-enhanced (PE) SCL decoders with a list size of $L$ reach the decoding performance of the SCL decoder with a list size of $2L$. The proposed bias-enhanced (B"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2508.16498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-08-22T16:24:46Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"33a1579ea39c084cb983dbbb8b71239212f7c9532bea7283514f00b64a103f45","abstract_canon_sha256":"5e12de1aaf61c7c56f3284e3b24e03b204b69210e541583e0b0c1a543f2bedf1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:03:15.093230Z","signature_b64":"ZuzGS4qHHzt1MMRqsCq61EdJX7f8Tt0jhs5ZjWfUCl+fozKpCYeDpq+U3Wrc13bIzuM993TCzoYhNPaEF0okAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8e7254fae2d24901d758f088e4af6b2967bcd4618352dca1c432370d02d0ea6","last_reissued_at":"2026-05-22T01:03:15.092111Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:03:15.092111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhanced Successive Cancellation List Decoder for Long Polar Codes Targeting Air Interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jiajie Li, Sihui Shen, Warren J. Gross","submitted_at":"2025-08-22T16:24:46Z","abstract_excerpt":"Polar codes are the first codes with a proven capacity-achieving capability, but their decoding faces several challenges, especially under long code lengths. In this paper, we target algorithmic improvements and analyses to enable the implementation of long polar codes (e.g., length 8K bits) by addressing key challenges in memory usage and computational complexity presented by successive cancellation list (SCL) polar decoding. Perturbation-enhanced (PE) SCL decoders with a list size of $L$ reach the decoding performance of the SCL decoder with a list size of $2L$. The proposed bias-enhanced (B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.16498","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/2508.16498/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2508.16498","created_at":"2026-05-22T01:03:15.092254+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.16498v2","created_at":"2026-05-22T01:03:15.092254+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.16498","created_at":"2026-05-22T01:03:15.092254+00:00"},{"alias_kind":"pith_short_12","alias_value":"7DTSKT5OFUSJ","created_at":"2026-05-22T01:03:15.092254+00:00"},{"alias_kind":"pith_short_16","alias_value":"7DTSKT5OFUSJAHLV","created_at":"2026-05-22T01:03:15.092254+00:00"},{"alias_kind":"pith_short_8","alias_value":"7DTSKT5O","created_at":"2026-05-22T01:03:15.092254+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK","json":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK.json","graph_json":"https://pith.science/api/pith-number/7DTSKT5OFUSJAHLVR4EI4SXWWK/graph.json","events_json":"https://pith.science/api/pith-number/7DTSKT5OFUSJAHLVR4EI4SXWWK/events.json","paper":"https://pith.science/paper/7DTSKT5O"},"agent_actions":{"view_html":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK","download_json":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK.json","view_paper":"https://pith.science/paper/7DTSKT5O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.16498&json=true","fetch_graph":"https://pith.science/api/pith-number/7DTSKT5OFUSJAHLVR4EI4SXWWK/graph.json","fetch_events":"https://pith.science/api/pith-number/7DTSKT5OFUSJAHLVR4EI4SXWWK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK/action/storage_attestation","attest_author":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK/action/author_attestation","sign_citation":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK/action/citation_signature","submit_replication":"https://pith.science/pith/7DTSKT5OFUSJAHLVR4EI4SXWWK/action/replication_record"}},"created_at":"2026-05-22T01:03:15.092254+00:00","updated_at":"2026-05-22T01:03:15.092254+00:00"}