The Mechanism · Gated-generation receipt

gen-explain-the-aes-block-cipher-as-you-would-to-a-capable-stude-5247

stable pending witness
2026-05-29 06:17:09 UTC · anthropic/claude-sonnet-4-5

Prompt

Explain the AES block cipher as you would to a capable student, in 3-4 sentences.
81 chars

Generation

AES (Advanced Encryption Standard) is a symmetric block cipher that encrypts data in fixed 128-bit blocks using a secret key of 128, 192, or 256 bits. It works by repeatedly applying a series of mathematical transformations (substitution, permutation, mixing, and key addition) over multiple rounds—10, 12, or 14 rounds depending on key size—to scramble the plaintext into ciphertext. Each round uses a different subkey derived from the original key, ensuring that even small changes in the input or key produce completely different encrypted outputs. The same key and process in reverse are used to decrypt the data, making it fast and secure for everything from file encryption to HTTPS communications.
30 tokens in · 156 tokens out · 4185 ms · $0.0024

The four gates

RED
pass
no disqualifying input patterns detected
FLOOR
pass
output above protective minimum; no mismatches
WAY
pass
no declared way_path (Way check NA); no coercion language
EXECUTION
deferred
no witnesses available (Witness Roll not yet constituted)

Verifier results

scripture_anchors NOT_APPLICABLE
0 Scripture citation(s) extracted
theology_doctrine NOT_APPLICABLE
no doctrine keyword patterns detected

Metrics

Total latency
4192.0 ms
Base LLM
4184.8 ms
Verifiers
0.4 ms
Gates
0.1 ms
Cost
$0.0024

Trail

06:17:09 received prompt_chars=81 verifiers=['scripture_anchors', 'theology_doctrine']
06:17:09 red_gate decision=pass reason=no disqualifying input patterns detected
06:17:13 base_llm_call model=anthropic/claude-sonnet-4-5 tokens_in=30 tokens_out=156 latency_ms=4184.8 cost_usd=0.0024
06:17:13 verifier:scripture_anchors verdict=NOT_APPLICABLE summary=0 Scripture citation(s) extracted
06:17:13 verifier:theology_doctrine verdict=NOT_APPLICABLE summary=no doctrine keyword patterns detected
06:17:13 floor_gate decision=pass reason=output above protective minimum; no mismatches
06:17:13 way_gate decision=pass reason=no declared way_path (Way check NA); no coercion language
06:17:13 execution_gate decision=deferred reason=no witnesses available (Witness Roll not yet constituted)
06:17:13 signed hash_algo=sha256 hash=sha256:6828a0ab44cee9e14ede7142e4926e4733baa9c95f2f7f26f30369a82eb5dcd4

Content hash

sha256:6828a0ab44cee9e14ede7142e4926e4733baa9c95f2f7f26f30369a82eb5dcd4

SHA256 over the canonical JSON (excluding this field). Tamper detection. Ed25519 signing planned for v2 once the operator’s signing key is provisioned on disk.

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