From 2406d1e79adf9574f8fb4396196f7909ef05531d Mon Sep 17 00:00:00 2001
From: Nico Flaig <nflaig@protonmail.com>
Date: Wed, 16 Sep 2026 21:27:45 +0100
Subject: [PATCH 1/2] Derive default auth data from the builder hostname

---
 dictionary.dic                | Bin 1456 -> 0 bytes
 types/gloas/request_auth.yaml |   5 +++--
 2 files changed, 3 insertions(+), 2 deletions(-)
 delete mode 100644 dictionary.dic

diff --git a/dictionary.dic b/dictionary.dic
deleted file mode 100644
index 0924f5dadf249b157792226a692f7920c79e8d1f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 1456
zcmai!J8vUZ6o60W;fb^M*ok)&*oWj5PZ@y-AkiQo&SN*RXLj%m30ff}6HhiKV~^z-
zvkDS)&_RVL=n#K^f`S5xj*b?If{K!68>%hfJDvmy*cDg0`R+OA-ZSUr^s`BvB+Ws5
z)So4Jb1ucx<}|&VG}oV7e_sA)`Tg(zbK@J;*oFEYxVIn@SR#*eex^_hDlyp(8<W)7
z=c^fyWpbR3<6H>gTwAbpCbnLexsO&?#6Z{b3xBPk@Yjlp5Zc&F*xT6kTQ|`!!Vdbf
zG89=-9*9(6*AuBiZ%4#cc8b`1{MM0u-Y>&|_bbYtNCWope^JT3OG@so!Vv#!FlviD
zqQvi`O8j0?^8PA3K)we5y)<8qPxDp(nr~C-_vW?Kd|y*J@`X=HyBo@pl6W$BGYaG*
zsQG@T3_J4WoW49p6EyF2*!3cL6>8ocB@YguA9!*{Nx&b&pc}~-%HEEA2YVFcM`h5F
zpOxJE4Qk$hz^EO`0u9o<-8mz<tR&y3loakIsQGWfhpqBLOPmYFo4azspcZb$jPqkz
zGN^}JG2%oTrj}&QF}H!5$5Uw-l*d7}8;D!C(*9&9D>kKyLUEU!ex5U9nN&=znp0rO
zpma`E|JE$3$4%Eh&htsemnn){H4l@aR86g<+b~Z)xFgrf2puo-D2Dw+wR8K%W;z-T
z^HDs`<;CT{jee*5mamnwpT6>sOS|L4WR?xnaWGBOBe_)K$^72xBKHdAs#7RKu^Z)c
zZ8i@?1Ge_UTfS5b8fv@Njl1!XytJ$2)%CUrp4K{5)7##cnyKxz>m@Iqo+L3ow9RhK
z98X44w-NYRxOE%xy-eyB&F8DDB|ja+dzoA>GX+tv9ff3abtUMZCTV}Lk>}IlyR$sb
z_Hn4uyRJ2v#_#hvof4;B>TUR28@Gr{r^Ru>rYu{G3}vl5(|C{`CZ|No@DOPj-sY+f
z5Gh1$O@S$*{sVlX*_j)*_9L=poa~wv#V0em#!S%~*UqQ2@gY;kY&j)kfAc}J^(X6X
z4Eq1)9p?21_V4UHX7L4d_c@Q?b>t`EhsgYtMBgoN-e!Nweir*8`&(=+<TupD`SY{8
nzan4e{1eo-WB4-r72bRezruErv)X<+d$WdK<x}KO*t-4#6#DB^

diff --git a/types/gloas/request_auth.yaml b/types/gloas/request_auth.yaml
index e40d1f21..bb49749e 100644
--- a/types/gloas/request_auth.yaml
+++ b/types/gloas/request_auth.yaml
@@ -11,8 +11,9 @@ Gloas:
           Opaque authentication data unique to the builder, agreed upon out of band. The meaning of
           the up to `MAX_BUILDER_AUTH_DATA_SIZE` (4096) bytes is left to the two parties; the builder checks the
           exact bytes when it verifies. When no value has been agreed out of band, implementations
-          SHOULD default to the UTF-8 bytes of the builder's own advertised URL, exactly as
-          advertised, so proposers with no prior relationship can construct an identical `data`
+          SHOULD default to the builder's hostname derived from its URL, see
+          [default auth data](https://github.com/ethereum/builder-specs/blob/main/specs/gloas/validator.md#default-auth-data),
+          so proposers with no prior relationship can construct an identical `data`
           deterministically. A zero-length `data` is invalid.
         example: "0x1234567890abcdef"
         pattern: "^0x(?:[a-fA-F0-9]{2}){1,4096}$"

From 6fd48e2866f2c361d88b14462eb25e6d06356819 Mon Sep 17 00:00:00 2001
From: Nico Flaig <nflaig@protonmail.com>
Date: Thu, 17 Sep 2026 11:46:01 +0100
Subject: [PATCH 2/2] restore dictionary.dic

---
 dictionary.dic | Bin 0 -> 1456 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 dictionary.dic

diff --git a/dictionary.dic b/dictionary.dic
new file mode 100644
index 0000000000000000000000000000000000000000..0924f5dadf249b157792226a692f7920c79e8d1f
GIT binary patch
literal 1456
zcmai!J8vUZ6o60W;fb^M*ok)&*oWj5PZ@y-AkiQo&SN*RXLj%m30ff}6HhiKV~^z-
zvkDS)&_RVL=n#K^f`S5xj*b?If{K!68>%hfJDvmy*cDg0`R+OA-ZSUr^s`BvB+Ws5
z)So4Jb1ucx<}|&VG}oV7e_sA)`Tg(zbK@J;*oFEYxVIn@SR#*eex^_hDlyp(8<W)7
z=c^fyWpbR3<6H>gTwAbpCbnLexsO&?#6Z{b3xBPk@Yjlp5Zc&F*xT6kTQ|`!!Vdbf
zG89=-9*9(6*AuBiZ%4#cc8b`1{MM0u-Y>&|_bbYtNCWope^JT3OG@so!Vv#!FlviD
zqQvi`O8j0?^8PA3K)we5y)<8qPxDp(nr~C-_vW?Kd|y*J@`X=HyBo@pl6W$BGYaG*
zsQG@T3_J4WoW49p6EyF2*!3cL6>8ocB@YguA9!*{Nx&b&pc}~-%HEEA2YVFcM`h5F
zpOxJE4Qk$hz^EO`0u9o<-8mz<tR&y3loakIsQGWfhpqBLOPmYFo4azspcZb$jPqkz
zGN^}JG2%oTrj}&QF}H!5$5Uw-l*d7}8;D!C(*9&9D>kKyLUEU!ex5U9nN&=znp0rO
zpma`E|JE$3$4%Eh&htsemnn){H4l@aR86g<+b~Z)xFgrf2puo-D2Dw+wR8K%W;z-T
z^HDs`<;CT{jee*5mamnwpT6>sOS|L4WR?xnaWGBOBe_)K$^72xBKHdAs#7RKu^Z)c
zZ8i@?1Ge_UTfS5b8fv@Njl1!XytJ$2)%CUrp4K{5)7##cnyKxz>m@Iqo+L3ow9RhK
z98X44w-NYRxOE%xy-eyB&F8DDB|ja+dzoA>GX+tv9ff3abtUMZCTV}Lk>}IlyR$sb
z_Hn4uyRJ2v#_#hvof4;B>TUR28@Gr{r^Ru>rYu{G3}vl5(|C{`CZ|No@DOPj-sY+f
z5Gh1$O@S$*{sVlX*_j)*_9L=poa~wv#V0em#!S%~*UqQ2@gY;kY&j)kfAc}J^(X6X
z4Eq1)9p?21_V4UHX7L4d_c@Q?b>t`EhsgYtMBgoN-e!Nweir*8`&(=+<TupD`SY{8
nzan4e{1eo-WB4-r72bRezruErv)X<+d$WdK<x}KO*t-4#6#DB^

literal 0
HcmV?d00001