{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2VGRWGADGWQP2Y47KCODKS2UC3","short_pith_number":"pith:2VGRWGAD","canonical_record":{"source":{"id":"2410.21267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-10-28T17:58:06Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"86bdca1090120d9ab6ac218d07d3affa48ef880f61c59c13230d6c67b2ba4bf4","abstract_canon_sha256":"d7ab75c8c3652fbd8d32e817251e099bf2f7ffd01e310eaf6419a1dbcf794e82"},"schema_version":"1.0"},"canonical_sha256":"d54d1b180335a0fd639f509c354b5416e85e743c39cea7d97d7e45cfe2bf519d","source":{"kind":"arxiv","id":"2410.21267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.21267","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"2410.21267v1","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.21267","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"2VGRWGADGWQP","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_16","alias_value":"2VGRWGADGWQP2Y47","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_8","alias_value":"2VGRWGAD","created_at":"2026-07-05T09:27:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2VGRWGADGWQP2Y47KCODKS2UC3","target":"record","payload":{"canonical_record":{"source":{"id":"2410.21267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-10-28T17:58:06Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"86bdca1090120d9ab6ac218d07d3affa48ef880f61c59c13230d6c67b2ba4bf4","abstract_canon_sha256":"d7ab75c8c3652fbd8d32e817251e099bf2f7ffd01e310eaf6419a1dbcf794e82"},"schema_version":"1.0"},"canonical_sha256":"d54d1b180335a0fd639f509c354b5416e85e743c39cea7d97d7e45cfe2bf519d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:27:17.630595Z","signature_b64":"6GNooe0ZcAtanUs6S5PGin6CmuwSAClNwWUwmxlnC8H6+8RS/CjOR+vLfBUhhHNwInD8TJRj4bn8NN441FPxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d54d1b180335a0fd639f509c354b5416e85e743c39cea7d97d7e45cfe2bf519d","last_reissued_at":"2026-07-05T09:27:17.630042Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:27:17.630042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.21267","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":"2026-07-05T09:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fdof79aH6lsrJB0EYMaWqwsAahIMSkPJfN0uXik7QCsHAzxnZAJbchCDlMiJ1uKiyhVNgLU+APvTrGTtXRtMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:59:28.493499Z"},"content_sha256":"589927c9c0f1bf1c94356b113289a2c9424252e7943d0b19a5d06bf87d57634f","schema_version":"1.0","event_id":"sha256:589927c9c0f1bf1c94356b113289a2c9424252e7943d0b19a5d06bf87d57634f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2VGRWGADGWQP2Y47KCODKS2UC3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimizing Puncturing Patterns of 5G NR LDPC Codes for Few-Iteration Decoding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Chris Dick, Christoph Studer, Darja Nonaca, Reinhard Wiesmayr","submitted_at":"2024-10-28T17:58:06Z","abstract_excerpt":"Rate-matching of low-density parity-check (LDPC) codes enables a single code description to support a wide range of code lengths and rates. In 5G NR, rate matching is accomplished by extending (lifting) a base code to a desired target length and by puncturing (not transmitting) certain code bits. LDPC codes and rate matching are typically designed for the asymptotic performance limit with an ideal decoder. Practical LDPC decoders, however, carry out tens or fewer message-passing decoding iterations to achieve the target throughput and latency of modern wireless systems. We show that one can op"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.21267","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.21267/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":"2026-07-05T09:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4uvzNLFdQsBQiYQDriVwg8xh35DFgITBLWgkHgWWQ60HMYM3kcAFuSX/2oylYCpYXoI8ixhu17csNRDa82auDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:59:28.494048Z"},"content_sha256":"1a626cfaa2c2d128d1ee2d8646bd869849a7ac6d3cc6aaccd958555ee969954c","schema_version":"1.0","event_id":"sha256:1a626cfaa2c2d128d1ee2d8646bd869849a7ac6d3cc6aaccd958555ee969954c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2VGRWGADGWQP2Y47KCODKS2UC3/bundle.json","state_url":"https://pith.science/pith/2VGRWGADGWQP2Y47KCODKS2UC3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2VGRWGADGWQP2Y47KCODKS2UC3/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":"2026-08-23T19:59:28Z","links":{"resolver":"https://pith.science/pith/2VGRWGADGWQP2Y47KCODKS2UC3","bundle":"https://pith.science/pith/2VGRWGADGWQP2Y47KCODKS2UC3/bundle.json","state":"https://pith.science/pith/2VGRWGADGWQP2Y47KCODKS2UC3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2VGRWGADGWQP2Y47KCODKS2UC3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2VGRWGADGWQP2Y47KCODKS2UC3","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":"d7ab75c8c3652fbd8d32e817251e099bf2f7ffd01e310eaf6419a1dbcf794e82","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-10-28T17:58:06Z","title_canon_sha256":"86bdca1090120d9ab6ac218d07d3affa48ef880f61c59c13230d6c67b2ba4bf4"},"schema_version":"1.0","source":{"id":"2410.21267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.21267","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"2410.21267v1","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.21267","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"2VGRWGADGWQP","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_16","alias_value":"2VGRWGADGWQP2Y47","created_at":"2026-07-05T09:27:17Z"},{"alias_kind":"pith_short_8","alias_value":"2VGRWGAD","created_at":"2026-07-05T09:27:17Z"}],"graph_snapshots":[{"event_id":"sha256:1a626cfaa2c2d128d1ee2d8646bd869849a7ac6d3cc6aaccd958555ee969954c","target":"graph","created_at":"2026-07-05T09:27:17Z","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/2410.21267/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rate-matching of low-density parity-check (LDPC) codes enables a single code description to support a wide range of code lengths and rates. In 5G NR, rate matching is accomplished by extending (lifting) a base code to a desired target length and by puncturing (not transmitting) certain code bits. LDPC codes and rate matching are typically designed for the asymptotic performance limit with an ideal decoder. Practical LDPC decoders, however, carry out tens or fewer message-passing decoding iterations to achieve the target throughput and latency of modern wireless systems. We show that one can op","authors_text":"Chris Dick, Christoph Studer, Darja Nonaca, Reinhard Wiesmayr","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-10-28T17:58:06Z","title":"Optimizing Puncturing Patterns of 5G NR LDPC Codes for Few-Iteration Decoding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.21267","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":"sha256:589927c9c0f1bf1c94356b113289a2c9424252e7943d0b19a5d06bf87d57634f","target":"record","created_at":"2026-07-05T09:27:17Z","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":"d7ab75c8c3652fbd8d32e817251e099bf2f7ffd01e310eaf6419a1dbcf794e82","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-10-28T17:58:06Z","title_canon_sha256":"86bdca1090120d9ab6ac218d07d3affa48ef880f61c59c13230d6c67b2ba4bf4"},"schema_version":"1.0","source":{"id":"2410.21267","kind":"arxiv","version":1}},"canonical_sha256":"d54d1b180335a0fd639f509c354b5416e85e743c39cea7d97d7e45cfe2bf519d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d54d1b180335a0fd639f509c354b5416e85e743c39cea7d97d7e45cfe2bf519d","first_computed_at":"2026-07-05T09:27:17.630042Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:27:17.630042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6GNooe0ZcAtanUs6S5PGin6CmuwSAClNwWUwmxlnC8H6+8RS/CjOR+vLfBUhhHNwInD8TJRj4bn8NN441FPxBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:27:17.630595Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.21267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:589927c9c0f1bf1c94356b113289a2c9424252e7943d0b19a5d06bf87d57634f","sha256:1a626cfaa2c2d128d1ee2d8646bd869849a7ac6d3cc6aaccd958555ee969954c"],"state_sha256":"0817fbe01c6d5902f67a0d9b738371477802dce7d01723911bbdd2bee2a5f9d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jTlM7ljM5fISP+gXzdytaUZUrhi7CYhEtOQlPP5OM04kCZYCBC3j8WMyjlOB/Qpojdd/TYW98oFM4GWur7+mCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T19:59:28.499159Z","bundle_sha256":"f6cf7d1d8cd20854dfd2a6b005c23b9fb8afe48b9ae41febe0e85f5a4f1d015e"}}