Pith Number

pith:OJHFYRGO

pith:2024:OJHFYRGOQDFYR5SN7GF5GLL4KE

not attested not anchored not stored refs pending

Proving membership in LLM pretraining data via data watermarks

Johnny Tian-Zheng Wei, Robin Jia, Ryan Yixiang Wang

arxiv:2402.10892 v3 · 2024-02-16 · 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{OJHFYRGOQDFYR5SN7GF5GLL4KE}

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

2 papers in Pith

Position: LLM Watermarking Should Align Stakeholders' Incentives for Practical Adoption

Erase Persona, Forget Lore: Benchmarking Multimodal Copyright Unlearning in Large Vision Language Models

Receipt and verification

First computed	2026-07-05T08:56:17.222487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

724e5c44ce80cb88f64df98bd32d7c5101aa844586b927cf85519f842508b0ca

Aliases

arxiv: 2402.10892 · arxiv_version: 2402.10892v3 · doi: 10.48550/arxiv.2402.10892 · pith_short_12: OJHFYRGOQDFY · pith_short_16: OJHFYRGOQDFYR5SN · pith_short_8: OJHFYRGO

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/OJHFYRGOQDFYR5SN7GF5GLL4KE \
  | 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: 724e5c44ce80cb88f64df98bd32d7c5101aa844586b927cf85519f842508b0ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed43342ded91d2e0c53fbc64be11c4fceb79d3998714cff2ea0354ce98982778",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2024-02-16T18:49:27Z",
    "title_canon_sha256": "e94a2a340628604fba43514747157e1e192a73f24722027eabcdd57b3fdef6a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.10892",
    "kind": "arxiv",
    "version": 3
  }
}