Pith Number

pith:47A7F5D2

pith:2016:47A7F5D2FX27ABE77TQZ4B2GMK

not attested not anchored not stored refs pending

Artificial neural networks and fuzzy logic for recognizing alphabet characters and mathematical symbols

Anna Capietto, Giuseppe Air\`o Farulla, Nadir Murru, Rosaria Rossini, Tiziana Armano

arxiv:1607.02028 v1 · 2016-07-06 · cs.NE · 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{47A7F5D2FX27ABE77TQZ4B2GMK}

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	2026-05-18T01:11:22.335968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c1f2f47a2df5f0049ffce19e074662a1bd4ac1a078d100f7658f848ff18fde

Aliases

arxiv: 1607.02028 · arxiv_version: 1607.02028v1 · doi: 10.48550/arxiv.1607.02028 · pith_short_12: 47A7F5D2FX27 · pith_short_16: 47A7F5D2FX27ABE7 · pith_short_8: 47A7F5D2

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/47A7F5D2FX27ABE77TQZ4B2GMK \
  | 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: e7c1f2f47a2df5f0049ffce19e074662a1bd4ac1a078d100f7658f848ff18fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "940731be975e9b68bc84f3f76774a8b33c4d754ff7f2f45e7ad81a571c32e281",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2016-07-06T12:23:47Z",
    "title_canon_sha256": "60c41ec34d5eb62f282869da900fefb3f8c68cab3f62617b575c1bb2d52f5453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02028",
    "kind": "arxiv",
    "version": 1
  }
}