Pith Number

pith:KWHCDHLO

pith:2013:KWHCDHLOAWGB346CPRCXQYEJCB

not attested not anchored not stored refs pending

Patch-based Probabilistic Image Quality Assessment for Face Selection and Improved Video-based Face Recognition

Brian C. Lovell, Conrad Sanderson, Sandra Mau, Shaokang Chen, Yongkang Wong

arxiv:1304.0869 v2 · 2013-04-03 · cs.CV · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWHCDHLOAWGB346CPRCXQYEJCB}

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	2026-05-18T02:56:21.321646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558e219d6e058c1df3c27c457860891046bf87dc2444d95d8672df8a1def1ea1

Aliases

arxiv: 1304.0869 · arxiv_version: 1304.0869v2 · doi: 10.48550/arxiv.1304.0869 · pith_short_12: KWHCDHLOAWGB · pith_short_16: KWHCDHLOAWGB346C · pith_short_8: KWHCDHLO

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/KWHCDHLOAWGB346CPRCXQYEJCB \
  | 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: 558e219d6e058c1df3c27c457860891046bf87dc2444d95d8672df8a1def1ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21865745310e7bf790e593c3c963e24d1589988c909c1e407021129ea4817cb",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-04-03T08:41:23Z",
    "title_canon_sha256": "740cfc5f534b5b993ef1cc3c994ccbab3d8ec3370288c91681910150a5d4e63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0869",
    "kind": "arxiv",
    "version": 2
  }
}