Pith Number

pith:GC6YFGC4

pith:2026:GC6YFGC4CL3RNIZXUHVX766EBB

not attested not anchored not stored refs pending

Who Wrote the Book? Detecting and Attributing LLM Ghostwriters

Anudeex Shetty, Jey Han Lau, Olga Ohrimenko, Qiongkai Xu

arxiv:2603.28054 v2 · 2026-03-30 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GC6YFGC4CL3RNIZXUHVX766EBB}

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	2026-06-10T01:09:59.864497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30bd82985c12f716a337a1eb7ffbc408755dc62b9cdca242779b5cd9b2f6663d

Aliases

arxiv: 2603.28054 · arxiv_version: 2603.28054v2 · doi: 10.48550/arxiv.2603.28054 · pith_short_12: GC6YFGC4CL3R · pith_short_16: GC6YFGC4CL3RNIZX · pith_short_8: GC6YFGC4

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/GC6YFGC4CL3RNIZXUHVX766EBB \
  | 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: 30bd82985c12f716a337a1eb7ffbc408755dc62b9cdca242779b5cd9b2f6663d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048cc0e86b79726f727442c5a7cd1dd543bbe54be3e8202ecdf814367177e4de",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-30T05:41:12Z",
    "title_canon_sha256": "45b759c416998a4fd1153ded6f6d40cdd3e05c1ea5725a59a43c040e15d8a3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28054",
    "kind": "arxiv",
    "version": 2
  }
}