Pith Number

pith:FC2ZXHRY

pith:2012:FC2ZXHRY4OLMM2V6H2PWRGS6WQ

not attested not anchored not stored refs pending

Neural Networks for Handwritten English Alphabet Recognition

Ashish Chaturvedi, Yusuf Perwej

arxiv:1205.3966 v1 · 2012-05-17 · cs.AI · 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{FC2ZXHRY4OLMM2V6H2PWRGS6WQ}

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	2026-05-18T03:55:24.104304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b59b9e38e396c66abe3e9f689a5eb4100a8e4ffbde127afd93a5fb359bb717

Aliases

arxiv: 1205.3966 · arxiv_version: 1205.3966v1 · doi: 10.48550/arxiv.1205.3966 · pith_short_12: FC2ZXHRY4OLM · pith_short_16: FC2ZXHRY4OLMM2V6 · pith_short_8: FC2ZXHRY

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/FC2ZXHRY4OLMM2V6H2PWRGS6WQ \
  | 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: 28b59b9e38e396c66abe3e9f689a5eb4100a8e4ffbde127afd93a5fb359bb717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00bc526de3325560ca74c560bc84777d066b53580c45d96711213f88ca0eca83",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-05-17T15:57:24Z",
    "title_canon_sha256": "68b9c77857e386254a6a6b5800c26b2b913527cb3b2ad6349beec8b67f070d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3966",
    "kind": "arxiv",
    "version": 1
  }
}