Pith Number

pith:AR2PGRYT

pith:2011:AR2PGRYTLHRWFKGIHNLKDOMCL2

not attested not anchored not stored refs pending

Face Recognition Based on SVM and 2DPCA

Len Bui, Thai Hoang Le

arxiv:1110.5404 v1 · 2011-10-25 · 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{AR2PGRYTLHRWFKGIHNLKDOMCL2}

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	2026-05-18T04:10:22.966148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0474f3471359e362a8c83b56a1b9825ea9261057660607bec638e91b0bd19366

Aliases

arxiv: 1110.5404 · arxiv_version: 1110.5404v1 · doi: 10.48550/arxiv.1110.5404 · pith_short_12: AR2PGRYTLHRW · pith_short_16: AR2PGRYTLHRWFKGI · pith_short_8: AR2PGRYT

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/AR2PGRYTLHRWFKGIHNLKDOMCL2 \
  | 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: 0474f3471359e362a8c83b56a1b9825ea9261057660607bec638e91b0bd19366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8166de55dbf8eeb0083d6d147337a3719ebbbbfeb9451f197dbf8384f7e383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-10-25T03:54:51Z",
    "title_canon_sha256": "dede4dd67df568e5ced88da76830096e79386fc003b983099a9f7d87c11153b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5404",
    "kind": "arxiv",
    "version": 1
  }
}