Pith Number

pith:5PJZDE6Q

pith:2010:5PJZDE6QB4NJ3P5YOWX7N22JLK

not attested not anchored not stored refs pending

Deep Self-Taught Learning for Handwritten Character Recognition

Arnaud Bergeron, Dumitru Erhan, Francois Savard, Fr\'ed\'eric Bastien, Guillaume Sicard, Jeremy Eustache, Moustapha Cisse, Myriam C\^ot\'e, Nicolas Boulanger-Lewandowski, Razvan Pascanu, Salah Rifai, Sylvain Pannetier Lebeuf, Thomas Breuel, Xavier Glorot, Xavier Muller, Yoshua Bengio, Youssouf Chherawala

arxiv:1009.3589 v1 · 2010-09-18 · cs.LG · cs.CV · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PJZDE6QB4NJ3P5YOWX7N22JLK}

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	2026-05-18T04:40:44.503823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebd39193d00f1a9dbfb875aff6eb495a8284782de9ef671ee4f29d93b5aa3b77

Aliases

arxiv: 1009.3589 · arxiv_version: 1009.3589v1 · doi: 10.48550/arxiv.1009.3589 · pith_short_12: 5PJZDE6QB4NJ · pith_short_16: 5PJZDE6QB4NJ3P5Y · pith_short_8: 5PJZDE6Q

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/5PJZDE6QB4NJ3P5YOWX7N22JLK \
  | 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: ebd39193d00f1a9dbfb875aff6eb495a8284782de9ef671ee4f29d93b5aa3b77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "548abe3910901fdb32b5203525b146c994569b58573fb0a3d1db3c7bdfb8b538",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2010-09-18T22:11:05Z",
    "title_canon_sha256": "287b06f872ed9835d460fab2f62d72432c00bdddc9fb3a432725026d50a12764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3589",
    "kind": "arxiv",
    "version": 1
  }
}