Pith Number

pith:P6IUVESJ

pith:2026:P6IUVESJRWM45BIZF75OWJXQV4

not attested not anchored not stored refs pending

Selective Disclosure Watermarking for Large Language Models

Qi Long, Xiang Li, Xuyang Chen, Yangxinyu Xie

arxiv:2607.05353 v1 · 2026-07-06 · cs.CR · cs.AI · 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{P6IUVESJRWM45BIZF75OWJXQV4}

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	2026-07-07T03:19:24.599386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f914a92498d99ce85192ffaeb26f0af24cabcc76dfed1eb6c14069ecb6dcf49

Aliases

arxiv: 2607.05353 · arxiv_version: 2607.05353v1 · doi: 10.48550/arxiv.2607.05353 · pith_short_12: P6IUVESJRWM4 · pith_short_16: P6IUVESJRWM45BIZ · pith_short_8: P6IUVESJ

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/P6IUVESJRWM45BIZF75OWJXQV4 \
  | 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: 7f914a92498d99ce85192ffaeb26f0af24cabcc76dfed1eb6c14069ecb6dcf49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ca53ec1c88195eeb2e32dd101fb65786708c2d56a8c3af2dabfedec45a2012",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-06T17:32:01Z",
    "title_canon_sha256": "180ace27515ecd1c8119f64f6c077125df23a54b85a59a40c4955c80e996271a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05353",
    "kind": "arxiv",
    "version": 1
  }
}