Pith Number

pith:EQELNF6W

pith:2026:EQELNF6WBJPFNEGVLN2PWGJ5SR

not attested not anchored not stored refs pending

Implicit Identity Technologies for LLMs: Fingerprinting and Watermarking across Datasets, Models, and Generated Content

Bing Liu, Hongbin Pei, Jing Huang, Linkang Du, Shunping Wang, Wei Luo, Xinyi Yu, Yufan Zhu

arxiv:2605.29245 v1 · 2026-05-28 · cs.CR · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQELNF6WBJPFNEGVLN2PWGJ5SR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-29T01:05:26.936797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2408b697d60a5e5690d55b74fb193d94507064f071756146e8e411fc691b5548

Aliases

arxiv: 2605.29245 · arxiv_version: 2605.29245v1 · doi: 10.48550/arxiv.2605.29245 · pith_short_12: EQELNF6WBJPF · pith_short_16: EQELNF6WBJPFNEGV · pith_short_8: EQELNF6W

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EQELNF6WBJPFNEGVLN2PWGJ5SR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2408b697d60a5e5690d55b74fb193d94507064f071756146e8e411fc691b5548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f80a328b156a0be6e5c34db7900671f411e8b3c46c7f5e5ac6710a4bc5585d",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-28T02:03:30Z",
    "title_canon_sha256": "a094eaff7d099e125bdcd62bbd142e1ba48bcf2364d772d997a61f088d307e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29245",
    "kind": "arxiv",
    "version": 1
  }
}