diff --git a/docs/superpowers/evidence/kcd2-balatro-joker-face-confirmed-2026-07-25.json b/docs/superpowers/evidence/kcd2-balatro-joker-face-confirmed-2026-07-25.json
new file mode 100644
index 00000000..2840962c
--- /dev/null
+++ b/docs/superpowers/evidence/kcd2-balatro-joker-face-confirmed-2026-07-25.json
@@ -0,0 +1,32 @@
+{
+  "intent": "Record that Balatro's die replaces its ONE pip with the joker as a settled fact rather than an open assumption. The player owns the game and confirmed the mapping, so the data and the docs should stop hedging on it.",
+  "scope": [
+    "kcd2_dice_solver/src/data/dice.ts - the comment on the Balatro entry",
+    "kcd2_dice_solver/README.md - the 'what the numbers are not' bullet",
+    "Non-goal: any behaviour change. wildcardFaces was already [1]; only the wording around it moves."
+  ],
+  "changes": [
+    "The UNVERIFIED caveat on the joker's face is replaced with the confirmation and its consequence: the joker sits where the 1 used to be, so the die has no plain single pip, which is also why holding it alone counts as a 1.",
+    "The README no longer calls the mapping unverified. Uniform side weights remain flagged as the one real assumption, since no source publishes them."
+  ],
+  "verification": [
+    {
+      "command": "node_modules/.bin/vitest run",
+      "result": "pass",
+      "evidence": "222 tests pass, unchanged - this commit touches a comment and a paragraph, not code paths."
+    },
+    {
+      "command": "node_modules/.bin/tsc --noEmit && node_modules/.bin/eslint src",
+      "result": "pass",
+      "evidence": "No type errors, no lint findings."
+    }
+  ],
+  "risks": [
+    "The claim now rests on the player's confirmation rather than a citable source; no wiki page states which pip the joker replaces. If it is ever contradicted in-game, dice.ts's wildcardFaces and this wording move together.",
+    "The die's side weights are still assumed uniform. That assumption is unchanged and still marked in both the data and the README."
+  ],
+  "rollback": [
+    "git revert the commit; the wording returns to UNVERIFIED and no behaviour changes either way.",
+    "After rollback, confirm dice.ts still has wildcardFaces: [1] for balatro - the mapping itself was never in doubt in the code, only in the prose."
+  ]
+}
diff --git a/kcd2_dice_solver/README.md b/kcd2_dice_solver/README.md
index c808231c..92a98130 100644
--- a/kcd2_dice_solver/README.md
+++ b/kcd2_dice_solver/README.md
@@ -67,10 +67,9 @@ every number here is reproducible.
 - **Balatro's die** publishes no face probabilities: the wiki's dice-effect row
   for it is six unfilled `d` placeholders, and Inara does not list the die at
   all. Exactly **one** of its faces is the joker (Jimbo's grinning face), so it
-  is modelled as a fair die whose 1 is replaced by that joker. Which pip the
-  joker replaces is unverified — the 1 is assumed, matching the Devil's head die
-  the game compares it to, and matching "picking it alone will count as if you
-  threw 1".
+  is modelled as a fair die whose 1 is replaced by that joker — the same face the
+  Devil's head die replaces, which is why holding it alone counts as a 1. Only
+  the uniform weights are an assumption; the joker's face is not.
 - **The two joker faces score differently**, and the scorer keeps them apart. A
   Devil's head "matches any combination but never scores on its own", so it can
   never be the lone 1 or 5 that lets you hold a die; Balatro's joker can. Both
diff --git a/kcd2_dice_solver/src/data/dice.ts b/kcd2_dice_solver/src/data/dice.ts
index c93740a7..4337d138 100644
--- a/kcd2_dice_solver/src/data/dice.ts
+++ b/kcd2_dice_solver/src/data/dice.ts
@@ -97,10 +97,10 @@ const RAW_DICE: readonly RawDie[] = [
     // as [1,1,1,1,1,1] rather than a fake "16.7" so it cannot be mistaken for a
     // transcribed figure.
     //
-    // The joker is modelled as replacing the one, like the Devil's head it is
-    // explicitly compared to, which is also why holding it alone counts as a 1.
-    // UNVERIFIED: if the die turns out to show a plain single pip in-game, the
-    // joker replaces some other face and this should move.
+    // The joker replaces the one — confirmed by the player, who owns the game —
+    // like the Devil's head die it is explicitly compared to. That is also why
+    // holding it alone counts as a 1: the joker sits where the 1 used to be, so
+    // the die has no plain single pip at all.
     weights: [1, 1, 1, 1, 1, 1],
     wildcardFaces: [1],
     // "When it lands, you get to choose how it's counted!" — and, unlike the