Pith Number

pith:E5YPLFAD

pith:2012:E5YPLFADKKC5OARICIWSLJ6MUA

not attested not anchored not stored refs pending

Robust Face Recognition using Local Illumination Normalization and Discriminant Feature Point Selection

Cholhun Kim, Jinsong Kim, Jongchol Jo, Song Han, Sunam Han

arxiv:1212.2415 v1 · 2012-12-11 · cs.LG · 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{E5YPLFADKKC5OARICIWSLJ6MUA}

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	2026-05-18T03:38:44.990643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2770f594035285d70228122d25a7cca01712a00268375c5ced04ff165c0ca465

Aliases

arxiv: 1212.2415 · arxiv_version: 1212.2415v1 · doi: 10.48550/arxiv.1212.2415 · pith_short_12: E5YPLFADKKC5 · pith_short_16: E5YPLFADKKC5OARI · pith_short_8: E5YPLFAD

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/E5YPLFADKKC5OARICIWSLJ6MUA \
  | 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: 2770f594035285d70228122d25a7cca01712a00268375c5ced04ff165c0ca465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cfddd07ee6668bd2a0ad67f0cbe2cc2795a24f26f0268bc85e00e4c1b1da6e6",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-12-11T13:19:54Z",
    "title_canon_sha256": "22ac57446ab13053881926061255a748dc8546ea7d67c84cc96db4a92709f868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2415",
    "kind": "arxiv",
    "version": 1
  }
}