Pith Number

pith:C7R5UVHJ

pith:2025:C7R5UVHJBG6DS2TXAG7XXFCWIO

not attested not anchored not stored refs pending

RepreGuard: Detecting LLM-Generated Text by Revealing Hidden Representation Patterns

Derek F. Wong, Di Wang, Junchao Wu, Lidia S. Chao, Min Yang, Runzhe Zhan, Shu Yang, Xin Chen, Zeyu Wu, Ziyang Luo

arxiv:2508.13152 v1 · 2025-08-18 · 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{C7R5UVHJBG6DS2TXAG7XXFCWIO}

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.

Cited by

3 papers in Pith

LLM Self-Recognition: Steering and Retrieving Activation Signatures

Seeing the Poem: Image-Semantic Detection of AI-Generated Modern Chinese Poetry with MLLMs

Multi-Level Contextual Token Relation Modeling for Machine-Generated Text Detection

Receipt and verification

First computed	2026-07-05T11:55:33.296962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e3da54e909bc396a7701bf7b945643ac030298cc0c4b41d5cfbb0aaebc74dc

Aliases

arxiv: 2508.13152 · arxiv_version: 2508.13152v1 · doi: 10.48550/arxiv.2508.13152 · pith_short_12: C7R5UVHJBG6D · pith_short_16: C7R5UVHJBG6DS2TX · pith_short_8: C7R5UVHJ

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/C7R5UVHJBG6DS2TXAG7XXFCWIO \
  | 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: 17e3da54e909bc396a7701bf7b945643ac030298cc0c4b41d5cfbb0aaebc74dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21afe1853d6c56184e49e5c05024c99081d79227469c1425c51b81499733fa90",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-18T17:59:15Z",
    "title_canon_sha256": "179b888fe9614a39a992ba7165445e2425e9a60caf7286d55482507cdf1bba13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13152",
    "kind": "arxiv",
    "version": 1
  }
}