The Driftproof receipt for crafting-effective-readmes on claude-sonnet-4-6, run on 2026-07-28, and what it can say.
crafting-effective-readmes on claude-sonnet-4-6
Not measured
This receipt carries no verdict: it does not record that a model answered the run.
The two arms
| arm | mean | spread across cases | cases |
|---|---|---|---|
| with the skill | 0.870 | ± 0.015 | 7 |
| without the skill | 0.849 | ± 0.067 | 7 |
No lift is stated for a state that did not measure one. 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.
What was verified
receipt_hash verified when this page was built from receipts/report-001/crafting-effective-readmes__claude-sonnet-4-6.json; this receipt does not record run.transcripts.
Receipt hash: 2611699daa45ba90efc2b2efbdd1d397ead081345cdccbcfd1047fd8cdf0fb01
Verify this receipt yourself
curl -fsSLO https://raw.githubusercontent.com/driftproofhq/driftproof/main/receipts/report-001/crafting-effective-readmes__claude-sonnet-4-6.json
npx driftproof validate crafting-effective-readmes__claude-sonnet-4-6.json