Pith Number

pith:HZOZHYRL

pith:2025:HZOZHYRLKW3UQVS7SWVQKMRQGA

not attested not anchored not stored refs pending

First-Place Solution to NeurIPS 2024 Invisible Watermark Removal Challenge

Fahad Shamshad, Karthik Nandakumar, Nils Lukas, Noor Hussein, Tameem Bakr, Yahia Shaaban

arxiv:2508.21072 v1 · 2025-08-28 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZOZHYRLKW3UQVS7SWVQKMRQGA}

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

1 paper in Pith

Watermarks Attack Watermarks: Re-Watermarking as a Generic Removal Strategy

Receipt and verification

First computed	2026-07-05T12:01:16.234255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5d93e22b55b748565f95ab05323030142e024f2ed8dfa779d3afa277f4d498

Aliases

arxiv: 2508.21072 · arxiv_version: 2508.21072v1 · doi: 10.48550/arxiv.2508.21072 · pith_short_12: HZOZHYRLKW3U · pith_short_16: HZOZHYRLKW3UQVS7 · pith_short_8: HZOZHYRL

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/HZOZHYRLKW3UQVS7SWVQKMRQGA \
  | 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: 3e5d93e22b55b748565f95ab05323030142e024f2ed8dfa779d3afa277f4d498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3531beca5fee7230140c7ec022a985c6d10630a84b33d6ddf7c1aaf13ab76d06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-28T17:59:59Z",
    "title_canon_sha256": "5f5fda65b69d0a0e94fee4114d91d99e4c1b86f44243314723745795bfd629ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21072",
    "kind": "arxiv",
    "version": 1
  }
}