Pith Number

pith:7MT5TXUB

pith:2025:7MT5TXUBSASGUIZQ3PGFFOAQUY

not attested not anchored not stored refs pending

Watermarking LLM-Generated Datasets in Downstream Tasks

Michael Backes, Tianshuo Cong, Yang Zhang, Yugeng Liu, Zheng Li

arxiv:2506.13494 v1 · 2025-06-16 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MT5TXUBSASGUIZQ3PGFFOAQUY}

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	2026-07-05T11:22:20.984728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb27d9de8190246a2330dbcc52b810a61477988a66e7d864c9af74fb79ff6fb6

Aliases

arxiv: 2506.13494 · arxiv_version: 2506.13494v1 · doi: 10.48550/arxiv.2506.13494 · pith_short_12: 7MT5TXUBSASG · pith_short_16: 7MT5TXUBSASGUIZQ · pith_short_8: 7MT5TXUB

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/7MT5TXUBSASGUIZQ3PGFFOAQUY \
  | 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: fb27d9de8190246a2330dbcc52b810a61477988a66e7d864c9af74fb79ff6fb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f8d397c3e342f55759137d137f66ded8ac3ca509453a81dc86efd9f231b6b4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-16T13:51:49Z",
    "title_canon_sha256": "6dbfd4da7abe40891ac7c5db3db7953caa21f4130b226f947b12581e81ef9a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13494",
    "kind": "arxiv",
    "version": 1
  }
}