Pith Number

pith:QJQKHC2I

pith:2025:QJQKHC2ITEG55DMCQSBAYHJ7S3

not attested not anchored not stored refs pending

Semantic Watermarking Reinvented: Enhancing Robustness and Generation Quality with Fourier Integrity

Nam Ik Cho, Sung Ju Lee

arxiv:2509.07647 v1 · 2025-09-09 · 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{QJQKHC2ITEG55DMCQSBAYHJ7S3}

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	2026-07-05T12:07:25.338853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8260a38b48990dde8d8284820c1d3f96c9e8ceceb816b06e3dc6641ea3349c3e

Aliases

arxiv: 2509.07647 · arxiv_version: 2509.07647v1 · doi: 10.48550/arxiv.2509.07647 · pith_short_12: QJQKHC2ITEG5 · pith_short_16: QJQKHC2ITEG55DMC · pith_short_8: QJQKHC2I

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/QJQKHC2ITEG55DMCQSBAYHJ7S3 \
  | 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: 8260a38b48990dde8d8284820c1d3f96c9e8ceceb816b06e3dc6641ea3349c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edcbf032e4d33262992566686fbdd46108c6b2ba6e5c62be76c204dbca041276",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-09T12:15:16Z",
    "title_canon_sha256": "4c0eb0d703dacf556673d5dcbe87542787f5ad69c3a19d8bd3e9fb8dc85c8501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07647",
    "kind": "arxiv",
    "version": 1
  }
}