The Mechanism · Gated-generation receipt

gen-explain-the-rational-method-for-runoff-as-you-would-to-a-cap-5a78

stable pending witness
2026-05-29 07:55:13 UTC · anthropic/claude-sonnet-4-5

Prompt

Explain the rational method for runoff as you would to a capable student, in 3-4 sentences.
91 chars

Generation

The rational method estimates peak runoff flow rate from a drainage area using the simple formula Q = CiA, where Q is peak discharge, C is a runoff coefficient (representing how much rainfall becomes runoff based on surface type), i is rainfall intensity, and A is the drainage area. The method assumes that if rainfall continues at intensity i for a duration equal to the time of concentration (the time for water to travel from the farthest point to the outlet), the entire watershed will be contributing to flow simultaneously, producing the maximum discharge. It's called "rational" because it establishes a logical relationship between rainfall input and runoff output, though it's best suited for small watersheds (typically under 200 acres) where the assumptions hold reasonably well.
31 tokens in · 160 tokens out · 5746 ms · $0.0025

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
5754.2 ms
Base LLM
5745.5 ms
Verifiers
0.3 ms
Gates
0.0 ms
Cost
$0.0025

Trail

07:55:13 received prompt_chars=91 verifiers=['scripture_anchors', 'theology_doctrine']
07:55:13 red_gate decision=pass reason=no disqualifying input patterns detected
07:55:18 base_llm_call model=anthropic/claude-sonnet-4-5 tokens_in=31 tokens_out=160 latency_ms=5745.5 cost_usd=0.0025
07:55:18 verifier:scripture_anchors verdict=NOT_APPLICABLE summary=0 Scripture citation(s) extracted
07:55:18 verifier:theology_doctrine verdict=NOT_APPLICABLE summary=no doctrine keyword patterns detected
07:55:18 floor_gate decision=pass reason=output above protective minimum; no mismatches
07:55:18 way_gate decision=pass reason=no declared way_path (Way check NA); no coercion language
07:55:18 execution_gate decision=deferred reason=no witnesses available (Witness Roll not yet constituted)
07:55:18 signed hash_algo=sha256 hash=sha256:133340a25fe7b00f3f1c7a6d1fad95af222d95f943ebf34b2eb03530af4639f5

Content hash

sha256:133340a25fe7b00f3f1c7a6d1fad95af222d95f943ebf34b2eb03530af4639f5

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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