Pith Number

pith:LK7GOCAX

pith:2021:LK7GOCAXKYNTC4DETHXJ4D5CP3

not attested not anchored not stored refs pending

A Facial Feature Discovery Framework for Race Classification Using Deep Learning

Byeong-hee Roh, Irfan Uddin, Jehad Ali, Khalil Khan, Sahib Khan

arxiv:2104.02471 v1 · 2021-03-29 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LK7GOCAXKYNTC4DETHXJ4D5CP3}

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	2026-07-05T02:29:48.677824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5abe670817561b31706499ee9e0fa27edae2581c3a4ff1056692d2f2df549344

Aliases

arxiv: 2104.02471 · arxiv_version: 2104.02471v1 · doi: 10.48550/arxiv.2104.02471 · pith_short_12: LK7GOCAXKYNT · pith_short_16: LK7GOCAXKYNTC4DE · pith_short_8: LK7GOCAX

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/LK7GOCAXKYNTC4DETHXJ4D5CP3 \
  | 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: 5abe670817561b31706499ee9e0fa27edae2581c3a4ff1056692d2f2df549344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b2036b4567c257dae00fc55652f9d0abf588422214cc69fde0cc0c37fab602",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-29T06:33:04Z",
    "title_canon_sha256": "6e39ccaf31a3b34c1a2fa2cdea9e1d12e7f4069fbc63aa73b1650b5e3353e23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02471",
    "kind": "arxiv",
    "version": 1
  }
}