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Sphragis certificate — ✅ PASS

For every axis, the candidate was demonstrated non-inferior to the reference: the one-sided 95% upper confidence bound on the accuracy regression is below the margin of 3.0%.

  • Reference: ref @ http://127.0.0.1:8080/v1
  • Candidate: cand @ http://127.0.0.1:8081/v1
  • Pack: /root/pack_v2.jsonl (2800 items, sha256 2de27099bbb15bab…)
  • Params: margin 3.0%, alpha 0.05, n_floor 30, seed 0
  • Generated: 2026-07-27T03:53:12.900485+00:00 by sphragis 0.1.0
Axis n ref acc cand acc regression d 95% CI d upper bound p (regr., Holm) verdict
arithmetic 1400 0.932 0.930 +0.002 [-0.001, +0.006] +0.005 0.75 ✅ PASS (non_inferior_within_margin)
instruction 600 0.757 0.757 +0.000 [+0.000, +0.000] +0.000 1 ✅ PASS (non_inferior_within_margin)
knowledge 400 0.968 0.973 -0.005 [-0.025, +0.015] +0.010 1 ✅ PASS (non_inferior_within_margin)
reasoning 400 0.927 0.932 -0.005 [-0.013, +0.000] +0.000 1 ✅ PASS (non_inferior_within_margin)