AI Desk · Model Identity · Evidence object

Tokenizer signature tk_e0b4c23e

An exact tokenizer signature: every model listed below returned the same marginal prompt-token count on all 50 test strings. Sharing a signature is strong evidence of a shared vocabulary. This signature sits in the Mistral · group A group.

Members
1
First observed
21 August 2026
Last observed
21 August 2026
Group
Mistral · group A

Models with this signature

Template variants of the same tokenizer

These signatures differ from this one by a uniform one-token shift on the affected strings: the same vocabulary behind a different chat template.

tk_0da8a999 · 13 modelstk_b0a747db · 1 model

The measured vector

Marginal prompt-token cost per string, as measured on NVIDIA: Nemotron 3 Nano Omni (free)
All 50 rows

English and whitespace

en-prose14
en-long18
spaces-203
spaces-603
tabs-204
newlines-207
mixed-ws7

Digits

digits-99
digits-1212
digits-3030
digits-sep12
float-long22

CJK

zh-common16
zh-long20
zh-rare20
ja-kana11
ja-kanji13
ko13

Other scripts

ru12
ar9
he10
hi14
th17
el13

Emoji

emoji-basic20
emoji-skin40
emoji-zwj-family19
emoji-zwj-x357
emoji-flags32
emoji-prof35

Rare Unicode

math33
boxdraw30
combining14
cjk-ext-b16
surrogates53
zalgo36
rtl-mix6

Code

py-code25
py-indent15
json25
html16
regex49
camel6
snake7

Repetition and encodings

rare-word-x535
repeat-tok40
base6439
hex19
url19
uuid36

Method: tokenizer fingerprinting, v1-50. Raw data: fingerprints.json · index.json · test-strings.json.