Pith Number

pith:VQTMTP2I

pith:2022:VQTMTP2IJ3PNKWANZJM2HLJGBG

not attested not anchored not stored refs pending

Learning Second Order Local Anomaly for General Face Forgery Detection

Jianwei Fei, Jian Weng, Peipeng Yu, Tianrun Shen, Yunshu Dai, Zhihua Xia

arxiv:2209.15490 v1 · 2022-09-30 · 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{VQTMTP2IJ3PNKWANZJM2HLJGBG}

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	2026-07-05T05:02:20.478112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac26c9bf484eded5580dca59a3ad2609a99936fb40375f2ed3a114afc0c279d4

Aliases

arxiv: 2209.15490 · arxiv_version: 2209.15490v1 · doi: 10.48550/arxiv.2209.15490 · pith_short_12: VQTMTP2IJ3PN · pith_short_16: VQTMTP2IJ3PNKWAN · pith_short_8: VQTMTP2I

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/VQTMTP2IJ3PNKWANZJM2HLJGBG \
  | 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: ac26c9bf484eded5580dca59a3ad2609a99936fb40375f2ed3a114afc0c279d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "539f921ba7e009f44e6e229def90d8f1425bdd39ac3848df0572a5be9b7b5653",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-09-30T14:27:11Z",
    "title_canon_sha256": "d9d719ffb37050f0c17f94093dfd76d5896dffa1b1095870e21da08d9a1e7db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.15490",
    "kind": "arxiv",
    "version": 1
  }
}