Pith Number

pith:WOU2LVL5

pith:2018:WOU2LVL5DV66YDVEVL5UTRONTZ

not attested not anchored not stored refs pending

Face Recognition Using Map Discriminant on YCbCr Color Space

I Gede Pasek Suta Wijaya

arxiv:1807.02135 v1 · 2018-07-05 · 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{WOU2LVL5DV66YDVEVL5UTRONTZ}

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	2026-05-18T00:11:23.006534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a9a5d57d1d7dec0ea4aafb49c5cd9e795d8904619a99322f8806cec385de5f

Aliases

arxiv: 1807.02135 · arxiv_version: 1807.02135v1 · doi: 10.48550/arxiv.1807.02135 · pith_short_12: WOU2LVL5DV66 · pith_short_16: WOU2LVL5DV66YDVE · pith_short_8: WOU2LVL5

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/WOU2LVL5DV66YDVEVL5UTRONTZ \
  | 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: b3a9a5d57d1d7dec0ea4aafb49c5cd9e795d8904619a99322f8806cec385de5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef4a65057d35105efbcc55238a84fe5c7e2c81e500ba2b281412254606ad0560",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-05T18:19:30Z",
    "title_canon_sha256": "5e896f1457b9990d5095892f6591a05d733830bd6defba5a836d1ca3a3d010f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02135",
    "kind": "arxiv",
    "version": 1
  }
}