Pith Number

pith:77IQ7SHZ

pith:2021:77IQ7SHZCXDUMKA67EXP6YHOTM

not attested not anchored not stored refs pending

FaceGuard: Proactive Deepfake Detection

Chenyue Liang, Hongyu He, Neil Zhenqiang Gong, Xiaoyu Cao, Yuankun Yang

arxiv:2109.05673 v1 · 2021-09-13 · cs.CV · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77IQ7SHZCXDUMKA67EXP6YHOTM}

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

2 papers in Pith

Deepfake Detection that Generalizes Across Benchmarks

Whether, Which, and Whose: Solving the Triple Challenge of Deepfake Proactive Forensics in Multi-Face Scenarios

Receipt and verification

First computed	2026-07-05T03:13:41.194208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd10fc8f915c746281ef92eff60ee9b3bf260e53dc0df52e021e026b0d8defe

Aliases

arxiv: 2109.05673 · arxiv_version: 2109.05673v1 · doi: 10.48550/arxiv.2109.05673 · pith_short_12: 77IQ7SHZCXDU · pith_short_16: 77IQ7SHZCXDUMKA6 · pith_short_8: 77IQ7SHZ

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/77IQ7SHZCXDUMKA67EXP6YHOTM \
  | 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: ffd10fc8f915c746281ef92eff60ee9b3bf260e53dc0df52e021e026b0d8defe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b2f728c3c59d60a257554e593f215bb227a353f427dd4b2d9d6d14a87808a6",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-13T02:36:25Z",
    "title_canon_sha256": "962426c18bab81f89719c9c40de6b0f0e826e6e301f22c91d57a5d1d11828cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05673",
    "kind": "arxiv",
    "version": 1
  }
}