AI Desk · Model Identity · Evidence object

Tokenizer signature tk_2b541395

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 Tencent · group A group.

Members
4
First observed
21 August 2026
Last observed
21 August 2026
Group
Tencent · group A

Models with this signature

The measured vector

Marginal prompt-token cost per string, as measured on Tencent: Hy-MT2-1.8B
All 50 rows

English and whitespace

en-prose14
en-long17
spaces-203
spaces-603
tabs-204
newlines-204
mixed-ws7

Digits

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

CJK

zh-common8
zh-long10
zh-rare18
ja-kana11
ja-kanji12
ko13

Other scripts

ru16
ar15
he16
hi24
th17
el22

Emoji

emoji-basic10
emoji-skin25
emoji-zwj-family11
emoji-zwj-x333
emoji-flags24
emoji-prof23

Rare Unicode

math26
boxdraw30
combining10
cjk-ext-b16
surrogates40
zalgo36
rtl-mix8

Code

py-code25
py-indent15
json20
html16
regex45
camel6
snake6

Repetition and encodings

rare-word-x531
repeat-tok41
base6435
hex12
url17
uuid27

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