Pith. sign in
Pith Number

pith:FM2PTM6B

pith:2023:FM2PTM6B6XKMORNOR3F2SK7WOH
not attested not anchored not stored refs pending

Data-Driven Bilateral Generalized Two-Dimensional Quaternion Principal Component Analysis with Application to Color Face Recognition

Dun-Wei Gong, Mei-Xiang Zhao, Yong Zhang, Zhi-Gang Jia

arxiv:2306.07045 v1 · 2023-06-12 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FM2PTM6B6XKMORNOR3F2SK7WOH}

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 2026-07-05T06:19:47.019257Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2b34f9b3c1f5d4c745ae8ecba92bf671ec3a87f02aa95f4a0a12b713337e9fca

Aliases

arxiv: 2306.07045 · arxiv_version: 2306.07045v1 · doi: 10.48550/arxiv.2306.07045 · pith_short_12: FM2PTM6B6XKM · pith_short_16: FM2PTM6B6XKMORNO · pith_short_8: FM2PTM6B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FM2PTM6B6XKMORNOR3F2SK7WOH \
  | 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: 2b34f9b3c1f5d4c745ae8ecba92bf671ec3a87f02aa95f4a0a12b713337e9fca
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b859f91753c879f51f41657d486b288101e7ad0a3eaa7e0711f55e824091e53d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-06-12T11:45:59Z",
    "title_canon_sha256": "56355957c6ade20b13ae118375fd395229bec1bdd708d82c01f671b78b50ace1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.07045",
    "kind": "arxiv",
    "version": 1
  }
}