Pith Number

pith:IDU3KU5H

pith:2013:IDU3KU5HIC7U4RVCTYVO5QDR2Z

not attested not anchored not stored refs pending

Efficient Induction of Finite State Automata

Jonathan Oliver, Matthew S. Collins

arxiv:1302.1530 v1 · 2013-02-06 · cs.AI · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDU3KU5HIC7U4RVCTYVO5QDR2Z}

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	2026-05-18T03:34:23.931698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40e9b553a740bf4e46a29e2aeec071d664be05078db75a01c63b3d4cfa4edfc7

Aliases

arxiv: 1302.1530 · arxiv_version: 1302.1530v1 · doi: 10.48550/arxiv.1302.1530 · pith_short_12: IDU3KU5HIC7U · pith_short_16: IDU3KU5HIC7U4RVC · pith_short_8: IDU3KU5H

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/IDU3KU5HIC7U4RVCTYVO5QDR2Z \
  | 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: 40e9b553a740bf4e46a29e2aeec071d664be05078db75a01c63b3d4cfa4edfc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130068dc60a864a5d4aa19e754c19295ff3a130f2d415b9d6f76900d6e68c59e",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-02-06T15:54:36Z",
    "title_canon_sha256": "a02901b6602bb8e1b5ae035a4e7cb219288d01601f0273dc5603b6a57015a38d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1530",
    "kind": "arxiv",
    "version": 1
  }
}