Pith Number

pith:DZ4YSXYS

pith:2021:DZ4YSXYSEAZS5JRAT52TVXOGEY

not attested not anchored not stored refs pending

Unconstrained Face Recognition using ASURF and Cloud-Forest Classifier optimized with VLAD

A Vinay, Aviral Joshi, Hardik Mahipal Surana, Harsh Garg, K N BalasubramanyaMurthy, S Natarajan

arxiv:2104.00842 v1 · 2021-04-02 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZ4YSXYSEAZS5JRAT52TVXOGEY}

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	2026-07-05T02:28:36.559371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e79895f1220332ea6209f753addc6260684df4c30c68043b39aa6da201b37ce

Aliases

arxiv: 2104.00842 · arxiv_version: 2104.00842v1 · doi: 10.48550/arxiv.2104.00842 · pith_short_12: DZ4YSXYSEAZS · pith_short_16: DZ4YSXYSEAZS5JRA · pith_short_8: DZ4YSXYS

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/DZ4YSXYSEAZS5JRAT52TVXOGEY \
  | 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: 1e79895f1220332ea6209f753addc6260684df4c30c68043b39aa6da201b37ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7744c69a68851ac67bd34fb0072daab68cad49c4111a370215afa1ee88015b0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-02T01:26:26Z",
    "title_canon_sha256": "328381878de0738b14ca826dc154e2e14c232ff7b375364c0a3341353f5d9673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00842",
    "kind": "arxiv",
    "version": 1
  }
}