Pith Number

pith:5OR55C67

pith:2010:5OR55C67E5NRRKB2A3AB7FAHIR

not attested not anchored not stored refs pending

An introduction to finite automata and their connection to logic

Howard Straubing (Boston College), Pascal Weil (LaBRI)

arxiv:1011.6491 v2 · 2010-11-30 · cs.FL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OR55C67E5NRRKB2A3AB7FAHIR}

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	2026-05-18T04:02:15.175353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eba3de8bdf275b18a83a06c01f9407445a37d66ddb9cf86ddcae79a8901a6509

Aliases

arxiv: 1011.6491 · arxiv_version: 1011.6491v2 · doi: 10.48550/arxiv.1011.6491 · pith_short_12: 5OR55C67E5NR · pith_short_16: 5OR55C67E5NRRKB2 · pith_short_8: 5OR55C67

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/5OR55C67E5NRRKB2A3AB7FAHIR \
  | 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: eba3de8bdf275b18a83a06c01f9407445a37d66ddb9cf86ddcae79a8901a6509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b3d431ec31817941385eb30cbbc9d2fcda771f098e785a206f9ac2816adc40",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-11-30T09:11:29Z",
    "title_canon_sha256": "b5a20f3d780235663aef8ba6c567ecea5507dbf008328f4841aa0f50a5193361"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6491",
    "kind": "arxiv",
    "version": 2
  }
}