{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DE2FQTY52FCYJIPNO4KQPAYHKS","short_pith_number":"pith:DE2FQTY5","canonical_record":{"source":{"id":"1612.00130","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-12-01T03:32:25Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2c763030d653a7f8fb286031cdf8c5e4f83101c0c894d97ca17567c7de14d653","abstract_canon_sha256":"b548122e40071c441a6ab73504c5131babc52a9aef9232160b7443bd97b1aee0"},"schema_version":"1.0"},"canonical_sha256":"1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff","source":{"kind":"arxiv","id":"1612.00130","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00130","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00130v3","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00130","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"DE2FQTY52FCY","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DE2FQTY52FCYJIPN","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DE2FQTY5","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DE2FQTY52FCYJIPNO4KQPAYHKS","target":"record","payload":{"canonical_record":{"source":{"id":"1612.00130","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-12-01T03:32:25Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"2c763030d653a7f8fb286031cdf8c5e4f83101c0c894d97ca17567c7de14d653","abstract_canon_sha256":"b548122e40071c441a6ab73504c5131babc52a9aef9232160b7443bd97b1aee0"},"schema_version":"1.0"},"canonical_sha256":"1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:53.323280Z","signature_b64":"+qB5QpAfRkdWFNN92vR82OW+49iX7JSUjcvU5jL13QR0qfzNiK5moiNoREWITYGwm24miqOhBGDeW2J97C4pAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff","last_reissued_at":"2026-05-18T00:41:53.322775Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:53.322775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.00130","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4CPCodKomyAca86ObvPJsuguI/mlpHhvcKN4aDxYmJ5YQL6oFZA8J/3Nx+5+T7fr6ZNIbISAkYKN39yyWvuNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:15:50.347956Z"},"content_sha256":"a8dd64276dea3f1a70f194b25319ca42611086014d155953955cf956d79b6627","schema_version":"1.0","event_id":"sha256:a8dd64276dea3f1a70f194b25319ca42611086014d155953955cf956d79b6627"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DE2FQTY52FCYJIPNO4KQPAYHKS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Secure Polar Coding for the Two-Way Wiretap Channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Cong Ling, Meixia Tao, Mengfan Zheng, Wen Chen","submitted_at":"2016-12-01T03:32:25Z","abstract_excerpt":"We consider the problem of polar coding for secure communications over the two-way wiretap channel, where two legitimate users communicate with each other simultaneously while a passive eavesdropper overhears a combination of their exchanged signals. The legitimate users wish to design a cooperative jamming code such that the interference between their codewords can jam the eavesdropper. In this paper, we design a polar coded cooperative jamming scheme that achieves the whole secrecy rate region of the general two-way wiretap channel under the strong secrecy criterion. The chaining method is u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00130","kind":"arxiv","version":3},"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":"2026-05-18T00:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z5fHELCvmIfYgXUngDULNFgKPXmZI+rEXcAv01Wf5fvNz2heQEa3K3EZ6lAF5p9R4ytLBuIXulmpzV8tN6DYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:15:50.348361Z"},"content_sha256":"ee8fb3601a5dc6fe9ea53d285fb452c933abb80cc415161d8a99cd5b3650912f","schema_version":"1.0","event_id":"sha256:ee8fb3601a5dc6fe9ea53d285fb452c933abb80cc415161d8a99cd5b3650912f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/bundle.json","state_url":"https://pith.science/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/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":"2026-05-26T06:15:50Z","links":{"resolver":"https://pith.science/pith/DE2FQTY52FCYJIPNO4KQPAYHKS","bundle":"https://pith.science/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/bundle.json","state":"https://pith.science/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DE2FQTY52FCYJIPNO4KQPAYHKS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DE2FQTY52FCYJIPNO4KQPAYHKS","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":"b548122e40071c441a6ab73504c5131babc52a9aef9232160b7443bd97b1aee0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-12-01T03:32:25Z","title_canon_sha256":"2c763030d653a7f8fb286031cdf8c5e4f83101c0c894d97ca17567c7de14d653"},"schema_version":"1.0","source":{"id":"1612.00130","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00130","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00130v3","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00130","created_at":"2026-05-18T00:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"DE2FQTY52FCY","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DE2FQTY52FCYJIPN","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DE2FQTY5","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:ee8fb3601a5dc6fe9ea53d285fb452c933abb80cc415161d8a99cd5b3650912f","target":"graph","created_at":"2026-05-18T00:41:53Z","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":"We consider the problem of polar coding for secure communications over the two-way wiretap channel, where two legitimate users communicate with each other simultaneously while a passive eavesdropper overhears a combination of their exchanged signals. The legitimate users wish to design a cooperative jamming code such that the interference between their codewords can jam the eavesdropper. In this paper, we design a polar coded cooperative jamming scheme that achieves the whole secrecy rate region of the general two-way wiretap channel under the strong secrecy criterion. The chaining method is u","authors_text":"Cong Ling, Meixia Tao, Mengfan Zheng, Wen Chen","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-12-01T03:32:25Z","title":"Secure Polar Coding for the Two-Way Wiretap Channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00130","kind":"arxiv","version":3},"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:a8dd64276dea3f1a70f194b25319ca42611086014d155953955cf956d79b6627","target":"record","created_at":"2026-05-18T00:41:53Z","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":"b548122e40071c441a6ab73504c5131babc52a9aef9232160b7443bd97b1aee0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-12-01T03:32:25Z","title_canon_sha256":"2c763030d653a7f8fb286031cdf8c5e4f83101c0c894d97ca17567c7de14d653"},"schema_version":"1.0","source":{"id":"1612.00130","kind":"arxiv","version":3}},"canonical_sha256":"1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff","first_computed_at":"2026-05-18T00:41:53.322775Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:53.322775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+qB5QpAfRkdWFNN92vR82OW+49iX7JSUjcvU5jL13QR0qfzNiK5moiNoREWITYGwm24miqOhBGDeW2J97C4pAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:53.323280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.00130","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8dd64276dea3f1a70f194b25319ca42611086014d155953955cf956d79b6627","sha256:ee8fb3601a5dc6fe9ea53d285fb452c933abb80cc415161d8a99cd5b3650912f"],"state_sha256":"80d99a6b7d782910acae1a1d22ec81390d8e4994043e3dca1e81ee36542deae5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PTZhcs3jdks9O+1JPUSZe2HG405tQpqZSAG4ySg9ggngdDg36tVSCwosRalF17pKkIYFUHuWLB5McIVX7z1ODA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:15:50.351334Z","bundle_sha256":"f030dbeb58626cb5e85e164c1242330ff0031b164dadf685e1d520cd269553df"}}