Pith Number

pith:RRO7LTQH

pith:2022:RRO7LTQHKKXBQOBFAVUAWYSLA5

not attested not anchored not stored refs pending

FaceSigns: Semi-Fragile Neural Watermarks for Media Authentication and Countering Deepfakes

Farinaz Koushanfar, Julian McAuley, Ke Huang, Paarth Neekhara, Shehzeen Hussain, Xinqiao Zhang

arxiv:2204.01960 v1 · 2022-04-05 · cs.CV · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRO7LTQHKKXBQOBFAVUAWYSLA5}

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	2026-07-05T04:11:34.868678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5df5ce0752ae18382505680b624b07704f346c220e7a462504b5e36faf48b0

Aliases

arxiv: 2204.01960 · arxiv_version: 2204.01960v1 · doi: 10.48550/arxiv.2204.01960 · pith_short_12: RRO7LTQHKKXB · pith_short_16: RRO7LTQHKKXBQOBF · pith_short_8: RRO7LTQH

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/RRO7LTQHKKXBQOBFAVUAWYSLA5 \
  | 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: 8c5df5ce0752ae18382505680b624b07704f346c220e7a462504b5e36faf48b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b563ee4e9333b11f30bc1994df2501918d08ac6cb01cd25a2c23ec2d0425ba0",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-04-05T03:29:30Z",
    "title_canon_sha256": "429ecd5b216d1826438a5a4f997de576fe6f88863a136380c0c5b869c323f53b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01960",
    "kind": "arxiv",
    "version": 1
  }
}