Pith Number

pith:24N7PGCY

pith:2011:24N7PGCYU3OLBOVMV3CSCTAQWD

not attested not anchored not stored refs pending

Real time face recognition using adaboost improved fast PCA algorithm

K.Susheel Kumar, R C Tripathi, Vijay Bhaskar Semwal

arxiv:1108.1353 v1 · 2011-08-05 · 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{24N7PGCYU3OLBOVMV3CSCTAQWD}

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	2026-05-18T04:16:11.112769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d71bf79858a6dcb0baacaec5214c10b0d6b83b7e48402e3264a97e093eb0c363

Aliases

arxiv: 1108.1353 · arxiv_version: 1108.1353v1 · doi: 10.48550/arxiv.1108.1353 · pith_short_12: 24N7PGCYU3OL · pith_short_16: 24N7PGCYU3OLBOVM · pith_short_8: 24N7PGCY

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/24N7PGCYU3OLBOVMV3CSCTAQWD \
  | 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: d71bf79858a6dcb0baacaec5214c10b0d6b83b7e48402e3264a97e093eb0c363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25dff5a08de6a2cc71f2b10b6f9b6a9348ca784057955db4b77dbceedbeea70f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-08-05T15:41:31Z",
    "title_canon_sha256": "5692bb4b72619e55bca19ad0f44c718e725361040ae6c75f8594730f3f2777cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1353",
    "kind": "arxiv",
    "version": 1
  }
}