docs(research): measure minute-resolution scoring; no variant clears all radii

Build holdout v4 from the public AA set, correct the two v3 dates, and sweep
R1–R5 plus pairs offline. No production scoring defaults change. No
implementation brief: delivered width stays the full window on every radius.

references/real_case_calibration/minute_rectification_holdout_v3.json

@@ -4,13 +4,16 @@
   "description": "Sealed public Rodden-AA minute holdout for the event-specific fact ranker v4.",
   "truth_hidden_from_ranker": true,
   "frozen_before_replay": true,
-  "source_audit_status": "invalidated_after_replay",
+  "source_audit_status": "corrected_known_date_errors",
+  "source_audit_note": "2026-09-14: the two known date errors were written into the working date fields. This file is still 3 events per case and is not a release gate. Use minute_rectification_holdout_v4.json for scale measurement.",
   "source_audit_issues": [
     {
       "event_id": "robbins_marriage_1968",
+      "status": "corrected",
       "issue": "The cited public biography gives 1967-03-10, not 1968.",
       "submitted_date": "1968",
       "verified_date": "1967-03-10",
+      "working_date": "1967-03-10",
       "cited_url": "https://www.johnrobbins.info/about/",
       "cited_url_outcome": "replaced",
       "cited_url_note": "The original about page has no marriage date.",
@@ -18,9 +21,11 @@
     },
     {
       "event_id": "takamoto_joined_disney_1947",
+      "status": "corrected",
       "issue": "Multiple public biographies give 1945, not 1947.",
       "submitted_date": "1947",
       "verified_date": "1945",
+      "working_date": "1945",
       "cited_url": "https://en.wikipedia.org/wiki/Iwao_Takamoto",
       "cited_url_outcome": "kept",
       "cited_url_note": "The cited Wikipedia page states hired by Walt Disney Productions in 1945, not 1947."
@@ -317,7 +322,7 @@
         "source": {"publisher": "Astro-Databank", "url": "https://www.astro.com/astro-databank/Robbins%2C_John", "rodden_rating": "AA", "record_type": "birth_record"}
       },
       "events": [
-        {"id": "robbins_marriage_1968", "domain": "relationship", "date": "1968", "precision": "year", "submitted_date": "1968", "verified_date": "1967-03-10", "source_audit_note": "Blind working date remains submitted 1968. Verified 1967-03-10 from Wikipedia; original johnrobbins.info/about/ has no marriage date.", "description": "Married Deo Robbins.", "source": {"publisher": "Wikipedia", "url": "https://en.wikipedia.org/wiki/John_Robbins_(author)", "independent_of_birth_source": true}},
+        {"id": "robbins_marriage_1968", "domain": "relationship", "date": "1967-03-10", "precision": "day", "submitted_date": "1968", "verified_date": "1967-03-10", "source_audit_note": "Working date corrected 2026-09-14 to the verified 1967-03-10 Wikipedia biography date.", "description": "Married Deo Robbins.", "source": {"publisher": "Wikipedia", "url": "https://en.wikipedia.org/wiki/John_Robbins_(author)", "independent_of_birth_source": true}},
         {"id": "robbins_diet_book_1987", "domain": "career", "date": "1987", "precision": "year", "description": "Published Diet for a New America.", "source": {"publisher": "Wikipedia", "url": "https://en.wikipedia.org/wiki/John_Robbins_(author)", "independent_of_birth_source": true}},
         {"id": "robbins_health_book_1996", "domain": "career", "date": "1996", "precision": "year", "description": "Published Reclaiming Our Health.", "source": {"publisher": "John Robbins", "url": "https://www.johnrobbins.info/books/", "independent_of_birth_source": true}}
       ]
@@ -362,7 +367,7 @@
         "source": {"publisher": "Astro-Databank", "url": "https://www.astro.com/astro-databank/Takamoto%2C_Iwao", "rodden_rating": "AA", "record_type": "birth_record"}
       },
       "events": [
-        {"id": "takamoto_joined_disney_1947", "domain": "career", "date": "1947", "precision": "year", "submitted_date": "1947", "verified_date": "1945", "source_audit_note": "Blind working date remains submitted 1947. Cited Wikipedia states hired by Walt Disney Productions in 1945; URL kept.", "description": "Joined Walt Disney Animation Studios.", "source": {"publisher": "Wikipedia", "url": "https://en.wikipedia.org/wiki/Iwao_Takamoto", "independent_of_birth_source": true}},
+        {"id": "takamoto_joined_disney_1947", "domain": "career", "date": "1945", "precision": "year", "submitted_date": "1947", "verified_date": "1945", "source_audit_note": "Working date corrected 2026-09-14 to the verified 1945 Wikipedia hiring year.", "description": "Joined Walt Disney Animation Studios.", "source": {"publisher": "Wikipedia", "url": "https://en.wikipedia.org/wiki/Iwao_Takamoto", "independent_of_birth_source": true}},
         {"id": "takamoto_hanna_barbera_1961", "domain": "career", "date": "1961", "precision": "year", "description": "Moved to Hanna-Barbera and began designing its characters.", "source": {"publisher": "Animation Magazine", "url": "https://www.animationmagazine.net/2007/01/animation-legend-iwao-takamoto-dies/", "independent_of_birth_source": true}},
         {"id": "takamoto_heart_attack_2007", "domain": "health_pressure", "date": "2007-01-08", "precision": "day", "description": "Died following a heart attack.", "source": {"publisher": "The New York Times", "url": "https://www.nytimes.com/2007/01/10/arts/10takamoto.html", "independent_of_birth_source": true}}
       ]