The Mechanism · Gated-generation receipt

gen-in-3-4-sentences-explain-the-rational-method-for-runoff-stat-3e2e

stable pending witness
2026-05-29 04:08:25 UTC · anthropic/claude-sonnet-4-5

Prompt

In 3-4 sentences, explain the rational method for runoff. State any key formula.
80 chars

Generation

The rational method is a simple technique for estimating peak stormwater runoff from a watershed. It assumes that peak runoff occurs when the entire watershed is contributing flow, which happens when rainfall duration equals or exceeds the time of concentration. The key formula is **Q = CiA**, where Q is peak discharge (often in cfs or m³/s), C is the runoff coefficient (dimensionless, representing the fraction of rainfall that becomes runoff), i is the rainfall intensity (in/hr or mm/hr), and A is the drainage area (acres or hectares). The method is most appropriate for small urban watersheds, typically less than 200 acres.
28 tokens in · 145 tokens out · 4625 ms · $0.0023

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
4632.8 ms
Base LLM
4625.4 ms
Verifiers
0.2 ms
Gates
0.0 ms
Cost
$0.0023

Trail

04:08:25 received prompt_chars=80 verifiers=['scripture_anchors', 'theology_doctrine']
04:08:25 red_gate decision=pass reason=no disqualifying input patterns detected
04:08:30 base_llm_call model=anthropic/claude-sonnet-4-5 tokens_in=28 tokens_out=145 latency_ms=4625.4 cost_usd=0.0023
04:08:30 verifier:scripture_anchors verdict=NOT_APPLICABLE summary=0 Scripture citation(s) extracted
04:08:30 verifier:theology_doctrine verdict=NOT_APPLICABLE summary=no doctrine keyword patterns detected
04:08:30 floor_gate decision=pass reason=output above protective minimum; no mismatches
04:08:30 way_gate decision=pass reason=no declared way_path (Way check NA); no coercion language
04:08:30 execution_gate decision=deferred reason=no witnesses available (Witness Roll not yet constituted)
04:08:30 signed hash_algo=sha256 hash=sha256:a5fade77d12e50157ba532bfb650bbbe9e3163be085a453f32eaf861a419b803

Content hash

sha256:a5fade77d12e50157ba532bfb650bbbe9e3163be085a453f32eaf861a419b803

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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