Pith Number

pith:AFGUSMDU

pith:2013:AFGUSMDUPOOEO3AZCQYUCXZZXP

not attested not anchored not stored refs pending

Stroke-Based Cursive Character Recognition

E. Iwata, K.C. Santosh (LORIA)

arxiv:1304.0421 v1 · 2013-04-01 · 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{AFGUSMDUPOOEO3AZCQYUCXZZXP}

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	2026-05-18T03:29:16.964772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

014d4930747b9c476c191431415f39bbc8ec593a3a740f4e0c179c28d4c23ef6

Aliases

arxiv: 1304.0421 · arxiv_version: 1304.0421v1 · doi: 10.48550/arxiv.1304.0421 · pith_short_12: AFGUSMDUPOOE · pith_short_16: AFGUSMDUPOOEO3AZ · pith_short_8: AFGUSMDU

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/AFGUSMDUPOOEO3AZCQYUCXZZXP \
  | 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: 014d4930747b9c476c191431415f39bbc8ec593a3a740f4e0c179c28d4c23ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b308e5067b5a0ba34396fa926fd6456b230164dbf09eaec763512d5a0160504",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-04-01T19:14:27Z",
    "title_canon_sha256": "29302c78fe9c3a33d42020d8baa98c100c752e97c5827861c8ccbe745129ba10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0421",
    "kind": "arxiv",
    "version": 1
  }
}