AI Desk · Model Identity · Evidence object

Tokenizer signature tk_cd5bb5f6

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 Poolside · group B group.

Members
1
First observed
21 August 2026
Last observed
21 August 2026
Group
Poolside · group B

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on Poolside: Laguna S 2.1
All 50 rows

English and whitespace

en-prose13
en-long17
spaces-203
spaces-603
tabs-203
newlines-204
mixed-ws7

Digits

digits-910
digits-1213
digits-3031
digits-sep13
float-long23

CJK

zh-common13
zh-long21
zh-rare21
ja-kana15
ja-kanji16
ko14

Other scripts

ru16
ar24
he23
hi27
th26
el25

Emoji

emoji-basic11
emoji-skin21
emoji-zwj-family12
emoji-zwj-x334
emoji-flags11
emoji-prof21

Rare Unicode

math25
boxdraw28
combining12
cjk-ext-b17
surrogates38
zalgo36
rtl-mix12

Code

py-code25
py-indent18
json24
html16
regex43
camel7
snake6

Repetition and encodings

rare-word-x536
repeat-tok21
base6434
hex17
url19
uuid37

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