Pith Number

pith:GQ23TQYO

pith:2025:GQ23TQYOLCLXFII7X24RDVWTVC

not attested not anchored not stored refs pending

ChainMarks: Securing DNN Watermark with Cryptographic Chain

Brian Choi, Isabelle Choi, Kun Sun, Shu Wang

arxiv:2505.04977 v2 · 2025-05-08 · cs.CR · 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{GQ23TQYOLCLXFII7X24RDVWTVC}

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	2026-07-05T11:14:59.304421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3435b9c30e589772a11fbeb911d6d3a898257f8117d8e933c73b54b1c55fa661

Aliases

arxiv: 2505.04977 · arxiv_version: 2505.04977v2 · doi: 10.48550/arxiv.2505.04977 · pith_short_12: GQ23TQYOLCLX · pith_short_16: GQ23TQYOLCLXFII7 · pith_short_8: GQ23TQYO

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/GQ23TQYOLCLXFII7X24RDVWTVC \
  | 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: 3435b9c30e589772a11fbeb911d6d3a898257f8117d8e933c73b54b1c55fa661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8f3dc3a8359c6d71c0017bf303a74a5c95ed23cbc0269415d65cd1c202f2f1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-08T06:30:46Z",
    "title_canon_sha256": "e340e4ca84cef8c016d49529a761d0cd56768d62a2998016b685cd8515842dc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04977",
    "kind": "arxiv",
    "version": 2
  }
}