Pith Number

pith:XBB2X5IM

pith:2026:XBB2X5IMD77VFZQABVZ43HBOAE

not attested not anchored not stored refs pending

Fingerprinting Inference Systems of Large Language Models

Anna Wimbauer, Erik Imgrund, Jonas M\"oller, Konrad Rieck

arxiv:2605.29979 v1 · 2026-05-28 · cs.CR · 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{XBB2X5IMD77VFZQABVZ43HBOAE}

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	2026-05-29T02:06:04.956233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b843abf50c1fff52e6000d73cd9c2e01164932f0a6a0020b0b9f5fa506ce6885

Aliases

arxiv: 2605.29979 · arxiv_version: 2605.29979v1 · doi: 10.48550/arxiv.2605.29979 · pith_short_12: XBB2X5IMD77V · pith_short_16: XBB2X5IMD77VFZQA · pith_short_8: XBB2X5IM

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/XBB2X5IMD77VFZQABVZ43HBOAE \
  | 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: b843abf50c1fff52e6000d73cd9c2e01164932f0a6a0020b0b9f5fa506ce6885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515fb2e9f1f4418ed1ef9e4c7fd12c1776943e1210d218dff96d52cf6f7a6968",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-28T14:16:53Z",
    "title_canon_sha256": "52f4aa0350fe0ae2b8d906540e18350163549c2e06dd82e8dc9675c8f2b2cedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29979",
    "kind": "arxiv",
    "version": 1
  }
}