{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:CNRUXJ5H2IRYZRP3T4DEHXFPQE","short_pith_number":"pith:CNRUXJ5H","canonical_record":{"source":{"id":"1310.0721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-02T14:49:21Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"ea17b112e0bdcb4bd4f6a728dddd2ac482028a86b601a60f4c7a647f5c5bd08a","abstract_canon_sha256":"d93a569d489a749c860a74bce0b3d5b6a4ee7fe9722d4e5f36648672733f8899"},"schema_version":"1.0"},"canonical_sha256":"13634ba7a7d2238cc5fb9f0643dcaf810e28471d53355cdd2491c3d1065d4bbf","source":{"kind":"arxiv","id":"1310.0721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.0721","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"arxiv_version","alias_value":"1310.0721v1","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0721","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"pith_short_12","alias_value":"CNRUXJ5H2IRY","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CNRUXJ5H2IRYZRP3","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CNRUXJ5H","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:CNRUXJ5H2IRYZRP3T4DEHXFPQE","target":"record","payload":{"canonical_record":{"source":{"id":"1310.0721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-02T14:49:21Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"ea17b112e0bdcb4bd4f6a728dddd2ac482028a86b601a60f4c7a647f5c5bd08a","abstract_canon_sha256":"d93a569d489a749c860a74bce0b3d5b6a4ee7fe9722d4e5f36648672733f8899"},"schema_version":"1.0"},"canonical_sha256":"13634ba7a7d2238cc5fb9f0643dcaf810e28471d53355cdd2491c3d1065d4bbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:34.208925Z","signature_b64":"29sALDrnp6m1etpdWfTenKtb2Bn+ZiueeoRHEeAAO1+DF+cDZcdzFYzIDLgNNOTeFq73ICb/sDDgVEVK78VzCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13634ba7a7d2238cc5fb9f0643dcaf810e28471d53355cdd2491c3d1065d4bbf","last_reissued_at":"2026-05-18T03:11:34.208091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:34.208091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.0721","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":"2026-05-18T03:11:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8tDfJ/ie0gsw8CxCHlgILTKcyU6i+BJ0hC5BADNb/gq6BcD9BWyyD2Yj7v8BgeIhkOYuZAmiETbC6vgtuWjmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:34:07.137624Z"},"content_sha256":"93b7fe760919184e5940ea6bee9b7a8cc07c8d603a8b6c0d98ee4f856ae08024","schema_version":"1.0","event_id":"sha256:93b7fe760919184e5940ea6bee9b7a8cc07c8d603a8b6c0d98ee4f856ae08024"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:CNRUXJ5H2IRYZRP3T4DEHXFPQE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advanced coding schemes against jamming in telecommand links","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Franco Chiaraluce, Ignacio Aguilar Sanchez, Marco Baldi, Marco Bianchi, Nicola Maturo, Roberto Garello, Stefano Cioni","submitted_at":"2013-10-02T14:49:21Z","abstract_excerpt":"The aim of this paper is to study the performance of some coding schemes recently proposed for updating the TC channel coding standard for space applications, in the presence of jamming. Besides low-density parity-check codes, that appear as the most eligible candidates, we also consider other solutions based on parallel turbo codes and extended BCH codes. We show that all these schemes offer very good performance, which approaches the theoretical limits achievable."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0721","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":""},"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":"2026-05-18T03:11:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yTl9CZIg0GznaJ73zri5zt+3mnh+/4d3YLwdLTj8xZ/3w36KgLkoXv1Ii6s/l9BQaTgye+GxX84q6EQxEyhlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:34:07.138005Z"},"content_sha256":"26c111986e57233dac16aa7a6a85d85b51a5d46c64ae386c7d80321634ef617b","schema_version":"1.0","event_id":"sha256:26c111986e57233dac16aa7a6a85d85b51a5d46c64ae386c7d80321634ef617b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/bundle.json","state_url":"https://pith.science/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/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":"2026-05-28T22:34:07Z","links":{"resolver":"https://pith.science/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE","bundle":"https://pith.science/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/bundle.json","state":"https://pith.science/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CNRUXJ5H2IRYZRP3T4DEHXFPQE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CNRUXJ5H2IRYZRP3T4DEHXFPQE","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":"d93a569d489a749c860a74bce0b3d5b6a4ee7fe9722d4e5f36648672733f8899","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-02T14:49:21Z","title_canon_sha256":"ea17b112e0bdcb4bd4f6a728dddd2ac482028a86b601a60f4c7a647f5c5bd08a"},"schema_version":"1.0","source":{"id":"1310.0721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.0721","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"arxiv_version","alias_value":"1310.0721v1","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0721","created_at":"2026-05-18T03:11:34Z"},{"alias_kind":"pith_short_12","alias_value":"CNRUXJ5H2IRY","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CNRUXJ5H2IRYZRP3","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CNRUXJ5H","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:26c111986e57233dac16aa7a6a85d85b51a5d46c64ae386c7d80321634ef617b","target":"graph","created_at":"2026-05-18T03:11:34Z","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 aim of this paper is to study the performance of some coding schemes recently proposed for updating the TC channel coding standard for space applications, in the presence of jamming. Besides low-density parity-check codes, that appear as the most eligible candidates, we also consider other solutions based on parallel turbo codes and extended BCH codes. We show that all these schemes offer very good performance, which approaches the theoretical limits achievable.","authors_text":"Franco Chiaraluce, Ignacio Aguilar Sanchez, Marco Baldi, Marco Bianchi, Nicola Maturo, Roberto Garello, Stefano Cioni","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-02T14:49:21Z","title":"Advanced coding schemes against jamming in telecommand links"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0721","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":"sha256:93b7fe760919184e5940ea6bee9b7a8cc07c8d603a8b6c0d98ee4f856ae08024","target":"record","created_at":"2026-05-18T03:11:34Z","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":"d93a569d489a749c860a74bce0b3d5b6a4ee7fe9722d4e5f36648672733f8899","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-10-02T14:49:21Z","title_canon_sha256":"ea17b112e0bdcb4bd4f6a728dddd2ac482028a86b601a60f4c7a647f5c5bd08a"},"schema_version":"1.0","source":{"id":"1310.0721","kind":"arxiv","version":1}},"canonical_sha256":"13634ba7a7d2238cc5fb9f0643dcaf810e28471d53355cdd2491c3d1065d4bbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13634ba7a7d2238cc5fb9f0643dcaf810e28471d53355cdd2491c3d1065d4bbf","first_computed_at":"2026-05-18T03:11:34.208091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:34.208091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"29sALDrnp6m1etpdWfTenKtb2Bn+ZiueeoRHEeAAO1+DF+cDZcdzFYzIDLgNNOTeFq73ICb/sDDgVEVK78VzCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:34.208925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.0721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93b7fe760919184e5940ea6bee9b7a8cc07c8d603a8b6c0d98ee4f856ae08024","sha256:26c111986e57233dac16aa7a6a85d85b51a5d46c64ae386c7d80321634ef617b"],"state_sha256":"fcf8f062b8b239e36bc8ae80e88fab98f5293a7a7468ab9a0b5ecdc0c1676667"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KXMp+lBZEq3Qvdrc/Aa+l/iTi0QPT9D9X+odGRS/BDt80AUr2XFtDA32GK8r6nfmGdGOJqC45m0xKnhGIPvwCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:34:07.140379Z","bundle_sha256":"7b1a1f94beab48d34822dd04acadca53e315ffefcbb9b13df9ff30a78e168f8c"}}