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The Driftproof receipt for hyperframes-cli on Claude Sonnet 5.5, dated 2026-10-18, and what it can say.

hyperframes-cli on claude-sonnet-5-5

Run on 2026-10-18, runner 0.22.2, surface claude-cli, verification level TESTED.

Passing

A case separated upward under the band rule. That is a separation detected under the rule, not proof that the skill moved the score.

driftproof badge: passing on claude-sonnet-5-5, 2026-10-18

The two arms

armmeanspread across casescases
with the skill0.933± 0.0583
without the skill0.592± 0.0193

Lift +0.342, ± 0.061. A spread is the sample standard deviation of the per-case means: a descriptive spread with no coverage probability. The verdict above reads each case's two bands, not these aggregates.

The two arms of this receipt drawn as ranges, with the effect floor marked. 0 0.25 0.5 0.75 1 separated without the skill 0.592 with the skill 0.933

What was verified

receipt_hash verified when this page was built from receipts/skill-measurements/published/9f18875095e1e14339fb509c278d016b8d4b356e592776218cc00fc223b28be0.json; run.transcripts records retained-local.

Receipt hash: 643d86919b8b34178b4a0336afa7835ea0e42e061d2265a2898c2c0301063b99

Check this file yourself

validate shows that this file is unchanged since it was sealed. It does not show who made it or who sealed it.

curl -fsSLO https://raw.githubusercontent.com/driftproofhq/driftproof/main/receipts/skill-measurements/published/9f18875095e1e14339fb509c278d016b8d4b356e592776218cc00fc223b28be0.json

npx driftproof@0.22.4 validate 9f18875095e1e14339fb509c278d016b8d4b356e592776218cc00fc223b28be0.json

Embed the badge

[![driftproof](https://driftproofhq.com/r/643d86919b8b34178b4a0336afa7835ea0e42e061d2265a2898c2c0301063b99/badge.svg)](https://driftproofhq.com/r/643d86919b8b34178b4a0336afa7835ea0e42e061d2265a2898c2c0301063b99/)