Pith Number

pith:7A3OQSA6

pith:2018:7A3OQSA6D2XIVFODBHN755X34H

not attested not anchored not stored refs pending

Security analysis of a self-embedding fragile image watermark scheme

Feng Yu, Shihong Wang, Xiaohong Zhao, Xinhui Gong

arxiv:1812.11735 v2 · 2018-12-31 · cs.CR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7A3OQSA6D2XIVFODBHN755X34H}

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	2026-05-17T23:44:37.819959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f836e8481e1eae8a95c309dbfef6fbe1cd08426da4e356098b93d7a513ddd280

Aliases

arxiv: 1812.11735 · arxiv_version: 1812.11735v2 · doi: 10.48550/arxiv.1812.11735 · pith_short_12: 7A3OQSA6D2XI · pith_short_16: 7A3OQSA6D2XIVFOD · pith_short_8: 7A3OQSA6

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/7A3OQSA6D2XIVFODBHN755X34H \
  | 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: f836e8481e1eae8a95c309dbfef6fbe1cd08426da4e356098b93d7a513ddd280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3eaa8cda5afe644b1ab05bd5359c3acbea8565b804b972fa17701f101df267e",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-12-31T09:37:36Z",
    "title_canon_sha256": "21b252fcf1ea908020aa29012a514769053a6a92dcd0ecbde81865b1827031ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11735",
    "kind": "arxiv",
    "version": 2
  }
}