diff --git a/pkgs/by-name/gu/guake/package.nix b/pkgs/by-name/gu/guake/package.nix
index 657ccb181a78..ce7051d62286 100644
--- a/pkgs/by-name/gu/guake/package.nix
+++ b/pkgs/by-name/gu/guake/package.nix
@@ -46,7 +46,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
     # Note: This is not a long-term solution, setup.py is deprecated.
     (fetchpatch {
       url = "https://github.com/Guake/guake/commit/14abaa0c69cfab64fe3467fbbea211d830042de8.patch";
-      hash = "sha256-RjGRFJDTQX2meAaw3UZi/3OxAtIHbRZVpXTbcJk/scY= ";
+      hash = "sha256-RjGRFJDTQX2meAaw3UZi/3OxAtIHbRZVpXTbcJk/scY=";
       revert = true;
     })
 
diff --git a/pkgs/by-name/hy/hyperssh/package.nix b/pkgs/by-name/hy/hyperssh/package.nix
index 7a37467517e2..ee22d269d1e2 100644
--- a/pkgs/by-name/hy/hyperssh/package.nix
+++ b/pkgs/by-name/hy/hyperssh/package.nix
@@ -20,7 +20,7 @@ buildNpmPackage {
     owner = "mafintosh";
     repo = "hyperssh";
     rev = "v5.0.3";
-    hash = "sha256-vjPSNcQRsqu0ee0hownEE9y8dFf9dqaL7alGRc9WjcI=2";
+    hash = "sha256-vjPSNcQRsqu0ee0hownEE9y8dFf9dqaL7alGRc9WjcI=";
   };
 
   patches = [
diff --git a/pkgs/by-name/ja/jameica/package.nix b/pkgs/by-name/ja/jameica/package.nix
index 556acfc74307..e8d99bf3996e 100644
--- a/pkgs/by-name/ja/jameica/package.nix
+++ b/pkgs/by-name/ja/jameica/package.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     owner = "willuhn";
     repo = "jameica";
     tag = version;
-    hash = "sha256-7KpQas8ttL2DP+gFH87uLQyx4PMwVQ+FaqXpZBPWV5U=i";
+    hash = "sha256-7KpQas8ttL2DP+gFH87uLQyx4PMwVQ+FaqXpZBPWV5U=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ow/owncast/package.nix b/pkgs/by-name/ow/owncast/package.nix
index 4d9cdde6e826..ca162e5c2aee 100644
--- a/pkgs/by-name/ow/owncast/package.nix
+++ b/pkgs/by-name/ow/owncast/package.nix
@@ -22,7 +22,7 @@ buildGoModule {
     hash = "sha256-REgo9RC1izb9vJ6ae66Wti9yfP8DrCGetf6O4rX3DPY=";
   };
 
-  vendorHash = "sha256-T4nr4lNUEq6grZ21qumaOjIDIDoJK7Ql8j8WbCy2u3g=n";
+  vendorHash = "sha256-T4nr4lNUEq6grZ21qumaOjIDIDoJK7Ql8j8WbCy2u3g=";
 
   subPackages = [ "." ];
 
diff --git a/pkgs/by-name/qu/quintom-cursor-theme/package.nix b/pkgs/by-name/qu/quintom-cursor-theme/package.nix
index e34ed9bfd41b..85ac1c6d7e0f 100644
--- a/pkgs/by-name/qu/quintom-cursor-theme/package.nix
+++ b/pkgs/by-name/qu/quintom-cursor-theme/package.nix
@@ -12,7 +12,7 @@ stdenvNoCC.mkDerivation {
     owner = "Burning_Cube";
     repo = "quintom-cursor-theme";
     rev = "d23e57333e816033cf20481bdb47bb1245ed5d4d";
-    hash = "sha256-Sec2DSnWYal6wzYzP9W+DDuTKHsFHWdRYyMzliMU5bU=A";
+    hash = "sha256-Sec2DSnWYal6wzYzP9W+DDuTKHsFHWdRYyMzliMU5bU=";
   };
 
   installPhase = ''
diff --git a/pkgs/by-name/tr/trucky/package.nix b/pkgs/by-name/tr/trucky/package.nix
index 66b0143ed9a2..bbad341ba646 100644
--- a/pkgs/by-name/tr/trucky/package.nix
+++ b/pkgs/by-name/tr/trucky/package.nix
@@ -10,7 +10,7 @@ let
 
   src = fetchurl {
     url = "https://web.archive.org/web/20260328182310/https://client-download.truckyapp.com/linux/latest/Trucky.AppImage";
-    hash = "sha256-8F6tIyooqzjgH2+qHsaoFwJkFzzW07fjqK9znDW/AyA=3";
+    hash = "sha256-8F6tIyooqzjgH2+qHsaoFwJkFzzW07fjqK9znDW/AyA=";
   };
 
   appimageContents = appimageTools.extract { inherit pname version src; };
diff --git a/pkgs/development/ocaml-modules/janestreet/0.17.nix b/pkgs/development/ocaml-modules/janestreet/0.17.nix
index 1250dfe2b447..5ebd0770438d 100644
--- a/pkgs/development/ocaml-modules/janestreet/0.17.nix
+++ b/pkgs/development/ocaml-modules/janestreet/0.17.nix
@@ -1577,7 +1577,7 @@ with self;
       if lib.versionAtLeast ppxlib.version "0.36" then
         {
           version = "0.17.1";
-          hash = "sha256-O3FtpXrFoyMI3iPL3BUwquREy+8TygOlyaTUGBUPk4Q=$";
+          hash = "sha256-O3FtpXrFoyMI3iPL3BUwquREy+8TygOlyaTUGBUPk4Q=";
         }
       else
         {
diff --git a/pkgs/games/cataclysm-dda/stable.nix b/pkgs/games/cataclysm-dda/stable.nix
index 8d73e2d162c6..224b4f097970 100644
--- a/pkgs/games/cataclysm-dda/stable.nix
+++ b/pkgs/games/cataclysm-dda/stable.nix
@@ -24,7 +24,7 @@ let
       repo = "Cataclysm-DDA";
       # Head of 0.H-branch
       tag = "cdda-${version}";
-      sha256 = "sha256-r4cl8cij68WmQRfg+DHQIeDBIwhgwSre6kAUYZaCPR8=n";
+      sha256 = "sha256-r4cl8cij68WmQRfg+DHQIeDBIwhgwSre6kAUYZaCPR8=";
     };
 
     patches = [