Pith Number

pith:SI2LX4FH

pith:2022:SI2LX4FHTQ2JNDTL4A73GVML7Y

not attested not anchored not stored refs pending

VLAD-VSA: Cross-Domain Face Presentation Attack Detection with Vocabulary Separation and Adaptation

Baoxing Huai, Jiong Wang, Weike Jin, Xiaofei He, Xinyu Duan, Yiling Wu, Zhen Lei, Zhou Zhao

arxiv:2202.10301 v1 · 2022-02-21 · 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{SI2LX4FHTQ2JNDTL4A73GVML7Y}

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	2026-07-05T03:58:40.832430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9234bbf0a79c34968e6be03fb3558bfe1f717f8284e8da5169bea8271cd06e14

Aliases

arxiv: 2202.10301 · arxiv_version: 2202.10301v1 · doi: 10.48550/arxiv.2202.10301 · pith_short_12: SI2LX4FHTQ2J · pith_short_16: SI2LX4FHTQ2JNDTL · pith_short_8: SI2LX4FH

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/SI2LX4FHTQ2JNDTL4A73GVML7Y \
  | 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: 9234bbf0a79c34968e6be03fb3558bfe1f717f8284e8da5169bea8271cd06e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f47705bf73bbd6b59e8f1ee24dd5d787448412e299726e2eaf78b885e10bbf2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-21T15:27:41Z",
    "title_canon_sha256": "75d4a04520595cd353438640d148a0d3b642a5d3edaaa3e32a1a8814a2674d44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10301",
    "kind": "arxiv",
    "version": 1
  }
}