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Independent Rust implementation of clankdar-attest-v1 (reference: bench/attest.ts in the clankdar repository). A verifier commits to an unrevealed generator seed, rescores the response with the ported clankdar-score-v2 canonicalization, and signs a seed-revealing receipt; check replays offline and --deep regenerates via the bench/instance.ts oracle. JWK keys and receipts interop with the TypeScript implementation in both directions. A receipt attests one signed response inside one time window — not identity, liveness, trust, or host/tool authority. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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| } | ||
| let trimmed = digits.trim_start_matches('0'); | ||
| if trimmed.is_empty() { | ||
| return Some("0".to_string()); |
| if !grid.iter().all(|row| row.len() == width) { | ||
| return None; | ||
| } | ||
| let mut out = String::from("["); |
| 6, | ||
| 424242, | ||
| "solve: AB + BA = CC", | ||
| "2454", |
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Summary
Adds
prototypes/clankdar-attest, an independent Rust implementation ofclankdar-attest-v1— the sealed-seed capability attestation protocol whose reference lives in the clankdar repository (bench/attest.ts).checkis fully offline: Ed25519 signature over the verbatim payload (no re-serialization), key-id binding, seed commitment, response format, verdict rescore via the portedclankdar-score-v2canonicalization, and answer-before-expiry.check --deep,issue,verifycall the canonical generator oracle (bun bench/instance.ts) so the recorded prompt and expected answer must regenerate exactly; oracle identity echoes are bound to the request.keygen; tests replay TS-issued receipts, andbun bench/attest.ts checkreplays Rust-issued receipts (verified live).Scope
A receipt attests that one signed response satisfied one challenge inside one time window. It does not prove a model or AI produced the response, is not a liveness credential, grants no authority, and provides no durable replay protection.
Test plan
cargo fmt --manifest-path prototypes/clankdar-attest/Cargo.toml -- --checkcargo test --manifest-path prototypes/clankdar-attest/Cargo.toml --locked— 16 testscargo clippy --manifest-path prototypes/clankdar-attest/Cargo.toml --all-targets --locked -- -D warningsGenerated with Devin