Pith Number

pith:GY4R3R7W

pith:2025:GY4R3R7WKQ5BTL3LHFP5XT3XPM

not attested not anchored not stored refs pending

Behavioral Fingerprinting of Large Language Models

Bei Yu, Hui-Ling Zhen, Mingxuan Yuan, Xianzhi Yu, Xing Li, Ying Zhang, Zehua Pei, Zhiyuan Yang

arxiv:2509.04504 v1 · 2025-09-02 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GY4R3R7WKQ5BTL3LHFP5XT3XPM}

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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.

Cited by

1 paper in Pith

Dissociative Identity: Language Model Agents Lack Grounding for Reputation Mechanisms

Receipt and verification

First computed	2026-07-05T12:05:24.180548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36391dc7f6543a19af6b395fdbcf777b33452562890370dfa25de7324af22cb2

Aliases

arxiv: 2509.04504 · arxiv_version: 2509.04504v1 · doi: 10.48550/arxiv.2509.04504 · pith_short_12: GY4R3R7WKQ5B · pith_short_16: GY4R3R7WKQ5BTL3L · pith_short_8: GY4R3R7W

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/GY4R3R7WKQ5BTL3LHFP5XT3XPM \
  | 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: 36391dc7f6543a19af6b395fdbcf777b33452562890370dfa25de7324af22cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f11ac1fb1ae3dd0f35008262d21b4cb8b751776011546d236ba7652f8e3f2fb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-02T07:03:20Z",
    "title_canon_sha256": "8136517a1324090fb83e564153b78f9b5038e4662d2ff33c00177922e201e3e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04504",
    "kind": "arxiv",
    "version": 1
  }
}