Pith Number

pith:PWARYCTH

pith:2019:PWARYCTHL6ZVCVT6RPE63CTV6V

not attested not anchored not stored refs pending

A Congruence-based Perspective on Automata Minimization Algorithms

Elena Guti\'errez, Pedro Valero, Pierre Ganty

arxiv:1906.06194 v2 · 2019-06-14 · 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{PWARYCTHL6ZVCVT6RPE63CTV6V}

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	2026-05-17T23:42:07.808454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d811c0a675fb351567e8bc9ed8a75f56002921a69dfcc33404b8026ecfd4709

Aliases

arxiv: 1906.06194 · arxiv_version: 1906.06194v2 · doi: 10.48550/arxiv.1906.06194 · pith_short_12: PWARYCTHL6ZV · pith_short_16: PWARYCTHL6ZVCVT6 · pith_short_8: PWARYCTH

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/PWARYCTHL6ZVCVT6RPE63CTV6V \
  | 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: 7d811c0a675fb351567e8bc9ed8a75f56002921a69dfcc33404b8026ecfd4709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac352c6033b8a6c81ecf5093eb51db63612e05e6e57500590e3ec0a0c59c4b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-06-14T13:19:45Z",
    "title_canon_sha256": "86416087b61a890b1cf572b37d255fdbe350fb38e381f014acbddc66f7ae8002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06194",
    "kind": "arxiv",
    "version": 2
  }
}