{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZB5ER7LNLZLHKIZM2HHX3XTYYN","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":"40e4f9d520ec01b40876fbdbe9316fdaecc823ce8c73874fa6cb867bd0085c3f","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-09-20T15:06:44Z","title_canon_sha256":"72c169041ecfd8a99ebb033ab92cd15ae0bd2b07f7ad98b47631529f79f86d72"},"schema_version":"1.0","source":{"id":"1209.4557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4557","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4557v1","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4557","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"ZB5ER7LNLZLH","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZB5ER7LNLZLHKIZM","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZB5ER7LN","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:d8bfaad10052cd0d34bbb0cb27a0b9cd8c7ca61928b37fd6d456f46014d064c0","target":"graph","created_at":"2026-05-18T02:50:32Z","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 show strongly secret achievable rate regions for two different wiretap multiple-access channel coding problems. In the first problem, each encoder has a private message and both together have a common message to transmit. The encoders have entropy-limited access to common randomness. If no common randomness is available, then the achievable region derived here does not allow for the secret transmission of a common message. The second coding problem assumes that the encoders do not have a common message nor access to common randomness. However, they may have a conferencing link over which th","authors_text":"Holger Boche, Moritz Wiese","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-09-20T15:06:44Z","title":"Strong Secrecy for Multiple Access Channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4557","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":"sha256:8ad1a8d9a3594dabad4f5b4a18c1109d75589683012a2d11cee4ffd3f4a9bed0","target":"record","created_at":"2026-05-18T02:50:32Z","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":"40e4f9d520ec01b40876fbdbe9316fdaecc823ce8c73874fa6cb867bd0085c3f","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-09-20T15:06:44Z","title_canon_sha256":"72c169041ecfd8a99ebb033ab92cd15ae0bd2b07f7ad98b47631529f79f86d72"},"schema_version":"1.0","source":{"id":"1209.4557","kind":"arxiv","version":1}},"canonical_sha256":"c87a48fd6d5e5675232cd1cf7dde78c372f860e25b6a0d3e66299df6277d2b40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c87a48fd6d5e5675232cd1cf7dde78c372f860e25b6a0d3e66299df6277d2b40","first_computed_at":"2026-05-18T02:50:32.605118Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:32.605118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mv1QDmWveDEQ0crqhveHKHg89efd7i8yIZ2E5fQvjymIRJfZEcj/v97zGfvAurrb5f4NHlFx+8U9s5hWpTMDBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:32.605561Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ad1a8d9a3594dabad4f5b4a18c1109d75589683012a2d11cee4ffd3f4a9bed0","sha256:d8bfaad10052cd0d34bbb0cb27a0b9cd8c7ca61928b37fd6d456f46014d064c0"],"state_sha256":"a62c641d6b8e1d248f6a21f32ea5b1dd2b62ed613303a08dd8cecca1663034d0"}