Pith Number

pith:6UYT6VJC

pith:2011:6UYT6VJCFY6X7ZI4ML2ULWJN77

not attested not anchored not stored refs pending

Handwritten Digit Recognition with a Committee of Deep Neural Nets on GPUs

Dan C. Cire\c{s}an, J\"urgen Schmidhuber, Luca M. Gambardella, Ueli Meier

arxiv:1103.4487 v1 · 2011-03-23 · cs.LG · cs.AI · 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{6UYT6VJCFY6X7ZI4ML2ULWJN77}

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	2026-05-18T04:26:01.932804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5313f55222e3d7fe51c62f545d92dffde18a3c400aae0e706421638d7dd8d12

Aliases

arxiv: 1103.4487 · arxiv_version: 1103.4487v1 · doi: 10.48550/arxiv.1103.4487 · pith_short_12: 6UYT6VJCFY6X · pith_short_16: 6UYT6VJCFY6X7ZI4 · pith_short_8: 6UYT6VJC

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/6UYT6VJCFY6X7ZI4ML2ULWJN77 \
  | 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: f5313f55222e3d7fe51c62f545d92dffde18a3c400aae0e706421638d7dd8d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc85c75fde8797e7f6efee5191fd8247d34590a9dd1c5b3dd2d1c36316b3094",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-03-23T10:38:50Z",
    "title_canon_sha256": "e01fc4d01a957dd78f80e17116fded3744fd94d89cb522bef7b496c3f75cdfae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4487",
    "kind": "arxiv",
    "version": 1
  }
}