AI Desk · AI Fingerprinting · Evidence object
Tokenizer signature tk_0d9ebf63
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 NVIDIA · group A group.
- Members
- 1
- First observed
- 5 October 2026
- Last observed
- 5 October 2026
- Group
- NVIDIA · group A
Models with this signature
The measured vector
Marginal prompt-token cost per string, as measured on NVIDIA: Nemotron 3.5 Content SafetyAll 50 rows
English and whitespace
en-prose14
en-long15
spaces-203
spaces-604
tabs-203
newlines-203
mixed-ws9
Digits
digits-910
digits-1213
digits-3031
digits-sep13
float-long23
CJK
zh-common11
zh-long14
zh-rare26
ja-kana7
ja-kanji10
ko11
Other scripts
ru12
ar9
he12
hi8
th10
el13
Emoji
emoji-basic5
emoji-skin10
emoji-zwj-family8
emoji-zwj-x322
emoji-flags9
emoji-prof12
Rare Unicode
math26
boxdraw18
combining10
cjk-ext-b17
surrogates28
zalgo22
rtl-mix5
Code
py-code28
py-indent18
json28
html14
regex44
camel6
snake11
Repetition and encodings
rare-word-x525
repeat-tok20
base6434
hex16
url23
uuid37
Method: tokenizer fingerprinting, v1-50.