Pith Number

pith:ZRBKTTVW

pith:2012:ZRBKTTVWUM6M6BRBY5UFV3S7SJ

not attested not anchored not stored refs pending

Image-based Vehicle Classification System

Jun Yee Ng, Yong Haur Tay

arxiv:1204.2114 v1 · 2012-04-10 · 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{ZRBKTTVWUM6M6BRBY5UFV3S7SJ}

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	2026-05-18T03:58:13.230431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc42a9ceb6a33ccf0621c7685aee5f9259358e771341a7a00838066112aa03f4

Aliases

arxiv: 1204.2114 · arxiv_version: 1204.2114v1 · doi: 10.48550/arxiv.1204.2114 · pith_short_12: ZRBKTTVWUM6M · pith_short_16: ZRBKTTVWUM6M6BRB · pith_short_8: ZRBKTTVW

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/ZRBKTTVWUM6M6BRBY5UFV3S7SJ \
  | 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: cc42a9ceb6a33ccf0621c7685aee5f9259358e771341a7a00838066112aa03f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53c322b1c13fae81972884d2ee8dc27deaf246435b5dace581cf157386b75e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-04-10T11:59:10Z",
    "title_canon_sha256": "19639cbebfb438b86be7afd0a877d8d2e5f048f8c58a4f049c32a18b89989677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2114",
    "kind": "arxiv",
    "version": 1
  }
}