Pith Number

pith:DIHR6PYZ

pith:2023:DIHR6PYZD4TLLCYCFHTGV33SYH

not attested not anchored not stored refs pending

Universal Defensive Underpainting Patch: Making Your Text Invisible to Optical Character Recognition

Dengpan Ye, Diqun Yan, Jiacheng Deng, Jiahao Chen, Jinyu Tian, Li Dong, Lingchen Zhao, Rangding Wang

arxiv:2308.02369 v1 · 2023-08-04 · cs.CV · 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{DIHR6PYZD4TLLCYCFHTGV33SYH}

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	2026-07-05T06:37:41.763192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0f1f3f191f26b58b0229e66aef72c1c9ebcfe91d8a42bf41d3fb328b62a486

Aliases

arxiv: 2308.02369 · arxiv_version: 2308.02369v1 · doi: 10.48550/arxiv.2308.02369 · pith_short_12: DIHR6PYZD4TL · pith_short_16: DIHR6PYZD4TLLCYC · pith_short_8: DIHR6PYZ

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/DIHR6PYZD4TLLCYCFHTGV33SYH \
  | 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: 1a0f1f3f191f26b58b0229e66aef72c1c9ebcfe91d8a42bf41d3fb328b62a486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc822c4d702e5e891307591a96efc5943ab80c061fc00d232a15e4e0903bf667",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-08-04T15:07:20Z",
    "title_canon_sha256": "c82cd14ff97cb3f0f2658dbf8616f56f6df69bc01590d5285c344b2d7d66f3b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.02369",
    "kind": "arxiv",
    "version": 1
  }
}