Pith Number

pith:7NVCDYAK

pith:2026:7NVCDYAKNOMHTUG5ZQCEMRZUBQ

not attested not anchored not stored refs pending

ShapeMark: Robust and Diversity-Preserving Watermarking for Diffusion Models

Haocheng Fu, Meineng Zhu, Meiyang Lv, Yun Cao, Yuqi Qian

arxiv:2603.09454 v1 · 2026-03-10 · 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{7NVCDYAKNOMHTUG5ZQCEMRZUBQ}

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	2026-07-31T01:33:21.245197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

fb6a21e00a6b9879d0ddcc044647340c334500962eb197f4319c5989519088d3

Aliases

arxiv: 2603.09454 · arxiv_version: 2603.09454v1 · doi: 10.48550/arxiv.2603.09454 · pith_short_12: 7NVCDYAKNOMH · pith_short_16: 7NVCDYAKNOMHTUG5 · pith_short_8: 7NVCDYAK

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/7NVCDYAKNOMHTUG5ZQCEMRZUBQ \
  | 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: fb6a21e00a6b9879d0ddcc044647340c334500962eb197f4319c5989519088d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd884e5be5ad9934bd80cd6e545d6d1b02b707a71a0a9f3a58c084def64b6b9d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-03-10T10:10:47Z",
    "title_canon_sha256": "2337bc50e1e3240e02e8095883dcf56f3023b85e7de2b111fe0305697d221068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.09454",
    "kind": "arxiv",
    "version": 1
  }
}