Pith Number

pith:LEGXLCAX

pith:2020:LEGXLCAXHVC46N4S2I56WRFA4H

not attested not anchored not stored refs pending

Classification of Chinese Handwritten Numbers with Labeled Projective Dictionary Pair Learning

Ali Alameer, Kianoush Nazarpour, Rasool Ameri, Saideh Ferdowsi, Vahid Abolghasemi

arxiv:2003.11700 v3 · 2020-03-26 · 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{LEGXLCAXHVC46N4S2I56WRFA4H}

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	2026-07-05T01:57:15.366049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

590d7588173d45cf3792d23beb44a0e1d48fbc09aed93b192b80f63682fc9c13

Aliases

arxiv: 2003.11700 · arxiv_version: 2003.11700v3 · doi: 10.48550/arxiv.2003.11700 · pith_short_12: LEGXLCAXHVC4 · pith_short_16: LEGXLCAXHVC46N4S · pith_short_8: LEGXLCAX

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/LEGXLCAXHVC46N4S2I56WRFA4H \
  | 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: 590d7588173d45cf3792d23beb44a0e1d48fbc09aed93b192b80f63682fc9c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c146ff846cf3a22b9aad192e2658e5bd211cf631374889a2ea2563d4bb7040",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-26T01:43:59Z",
    "title_canon_sha256": "088f0fbc6a9ea79721a3ea800ba02b3f1e339b5dc6ab2308474e92ba4929e1c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.11700",
    "kind": "arxiv",
    "version": 3
  }
}