AI Desk · Model Identity · Evidence object

Tokenizer signature tk_a8b24bf6

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 Arcee AI group.

Members
1
First observed
21 August 2026
Last observed
21 August 2026
Group
Arcee AI

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on Arcee AI: Trinity Large Thinking
All 50 rows

English and whitespace

en-prose13
en-long15
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws5

Digits

digits-93
digits-124
digits-3010
digits-sep7
float-long9

CJK

zh-common10
zh-long12
zh-rare19
ja-kana9
ja-kanji11
ko14

Other scripts

ru14
ar16
he17
hi18
th20
el18

Emoji

emoji-basic10
emoji-skin13
emoji-zwj-family7
emoji-zwj-x321
emoji-flags12
emoji-prof14

Rare Unicode

math24
boxdraw21
combining10
cjk-ext-b16
surrogates28
zalgo29
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex38
camel6
snake6

Repetition and encodings

rare-word-x521
repeat-tok22
base6429
hex10
url17
uuid27

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