{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NVB3SRNLBR44H2AIPFA3OP5CUW","short_pith_number":"pith:NVB3SRNL","canonical_record":{"source":{"id":"1711.10767","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-11-29T10:59:33Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c002dc53c0c2a098b9fa6b991f2b7ea76712a93ab40a46da2cdb2fd40e8b6f41","abstract_canon_sha256":"8915e1616aef54ccee7e5b289d5698206cd79c288b50a85753e273b6f101ff71"},"schema_version":"1.0"},"canonical_sha256":"6d43b945ab0c79c3e8087941b73fa2a5b161aed1be64a86b30a8ce0c60c0167b","source":{"kind":"arxiv","id":"1711.10767","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10767","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10767v2","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10767","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"pith_short_12","alias_value":"NVB3SRNLBR44","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NVB3SRNLBR44H2AI","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NVB3SRNL","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NVB3SRNLBR44H2AIPFA3OP5CUW","target":"record","payload":{"canonical_record":{"source":{"id":"1711.10767","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-11-29T10:59:33Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c002dc53c0c2a098b9fa6b991f2b7ea76712a93ab40a46da2cdb2fd40e8b6f41","abstract_canon_sha256":"8915e1616aef54ccee7e5b289d5698206cd79c288b50a85753e273b6f101ff71"},"schema_version":"1.0"},"canonical_sha256":"6d43b945ab0c79c3e8087941b73fa2a5b161aed1be64a86b30a8ce0c60c0167b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:42.088002Z","signature_b64":"ALfv2UNlTTy5oFiFsTEx45OaXGhHOBIzXe8/wnvIZVTcnR9S+wrnsGN+6ziSO2Fk5wwqK3q12wOoNcN4f7LTCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d43b945ab0c79c3e8087941b73fa2a5b161aed1be64a86b30a8ce0c60c0167b","last_reissued_at":"2026-05-18T00:17:42.087384Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:42.087384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.10767","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:17:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Al7+3uc0EKLF0PYnRiX2EIybEv4Z+YMySpy1gU4BshuEGPT8Bb4UiXXwgTO4e+VFBYdQ1nH7/9YPenPzORKGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:28:48.959605Z"},"content_sha256":"f2b6c7cbbe2a61e0aebbd1e20ed14c389a0a478ee17b6a05799effe21882198c","schema_version":"1.0","event_id":"sha256:f2b6c7cbbe2a61e0aebbd1e20ed14c389a0a478ee17b6a05799effe21882198c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NVB3SRNLBR44H2AIPFA3OP5CUW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parameter-free $\\ell_p$-Box Decoding of LDPC Codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Fan Zhang, Hao Wang, Jun Lin, Qiong Wu, Yang Liu","submitted_at":"2017-11-29T10:59:33Z","abstract_excerpt":"The Alternating Direction Method of Multipliers (ADMM) decoding of Low Density Parity Check (LDPC) codes has received many attentions due to its excellent performance at the error floor region. In this paper, we develop a parameter-free decoder based on Linear Program (LP) decoding by replacing the binary constraint with the intersection of a box and an $\\ell_p$ sphere. An efficient $\\ell_2$-box ADMM is designed to handle this model in a distributed fashion. Numerical experiments demonstrate that our decoder attains better adaptability to different Signal-to-Noise Ratio and channels."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10767","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":""},"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":"2026-05-18T00:17:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vjfxWKtp6dW9L8uHr1ohOtZUMyCZPKULbbs/N9c7xisl8Fv1yE17dqaDXZbxsqrYaHpBmUZvQ+zNLFKKI2Y4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:28:48.959955Z"},"content_sha256":"2fe268fcc8704e71e7d6f5e6db2026f1155aaa2371f41194271c2722ac3338a7","schema_version":"1.0","event_id":"sha256:2fe268fcc8704e71e7d6f5e6db2026f1155aaa2371f41194271c2722ac3338a7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/bundle.json","state_url":"https://pith.science/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/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":"2026-06-12T08:28:48Z","links":{"resolver":"https://pith.science/pith/NVB3SRNLBR44H2AIPFA3OP5CUW","bundle":"https://pith.science/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/bundle.json","state":"https://pith.science/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVB3SRNLBR44H2AIPFA3OP5CUW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NVB3SRNLBR44H2AIPFA3OP5CUW","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":"8915e1616aef54ccee7e5b289d5698206cd79c288b50a85753e273b6f101ff71","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-11-29T10:59:33Z","title_canon_sha256":"c002dc53c0c2a098b9fa6b991f2b7ea76712a93ab40a46da2cdb2fd40e8b6f41"},"schema_version":"1.0","source":{"id":"1711.10767","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10767","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10767v2","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10767","created_at":"2026-05-18T00:17:42Z"},{"alias_kind":"pith_short_12","alias_value":"NVB3SRNLBR44","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NVB3SRNLBR44H2AI","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NVB3SRNL","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:2fe268fcc8704e71e7d6f5e6db2026f1155aaa2371f41194271c2722ac3338a7","target":"graph","created_at":"2026-05-18T00:17:42Z","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":"The Alternating Direction Method of Multipliers (ADMM) decoding of Low Density Parity Check (LDPC) codes has received many attentions due to its excellent performance at the error floor region. In this paper, we develop a parameter-free decoder based on Linear Program (LP) decoding by replacing the binary constraint with the intersection of a box and an $\\ell_p$ sphere. An efficient $\\ell_2$-box ADMM is designed to handle this model in a distributed fashion. Numerical experiments demonstrate that our decoder attains better adaptability to different Signal-to-Noise Ratio and channels.","authors_text":"Fan Zhang, Hao Wang, Jun Lin, Qiong Wu, Yang Liu","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-11-29T10:59:33Z","title":"Parameter-free $\\ell_p$-Box Decoding of LDPC Codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10767","kind":"arxiv","version":2},"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:f2b6c7cbbe2a61e0aebbd1e20ed14c389a0a478ee17b6a05799effe21882198c","target":"record","created_at":"2026-05-18T00:17:42Z","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":"8915e1616aef54ccee7e5b289d5698206cd79c288b50a85753e273b6f101ff71","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-11-29T10:59:33Z","title_canon_sha256":"c002dc53c0c2a098b9fa6b991f2b7ea76712a93ab40a46da2cdb2fd40e8b6f41"},"schema_version":"1.0","source":{"id":"1711.10767","kind":"arxiv","version":2}},"canonical_sha256":"6d43b945ab0c79c3e8087941b73fa2a5b161aed1be64a86b30a8ce0c60c0167b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d43b945ab0c79c3e8087941b73fa2a5b161aed1be64a86b30a8ce0c60c0167b","first_computed_at":"2026-05-18T00:17:42.087384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:42.087384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ALfv2UNlTTy5oFiFsTEx45OaXGhHOBIzXe8/wnvIZVTcnR9S+wrnsGN+6ziSO2Fk5wwqK3q12wOoNcN4f7LTCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:42.088002Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.10767","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2b6c7cbbe2a61e0aebbd1e20ed14c389a0a478ee17b6a05799effe21882198c","sha256:2fe268fcc8704e71e7d6f5e6db2026f1155aaa2371f41194271c2722ac3338a7"],"state_sha256":"bd35a62c2729835df7340ed9ccef4a78b354ddaa31ced284952eba82c0b4b0eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAbCB474tYnAjkguPCrTZFBJpezz7leqWUqCucsMflj2GKyMTdG73c07UYd15SWydFVxk0s+hecbLDMUrJxLAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:28:48.962041Z","bundle_sha256":"f45f36c3c8ec91367a3f17bbaa134a1b8ed72fafcea3bc74bbe2270d4cae91b2"}}