Pith Number

pith:HMRNZD2B

pith:2013:HMRNZD2BFQCNBPLRR4VCZ5RKDQ

not attested not anchored not stored refs pending

On the structure and syntactic complexity of generalized definite languages

Judit Nagy-Gyorgy, Szabolcs Ivan

arxiv:1304.5714 v1 · 2013-04-21 · cs.FL · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMRNZD2BFQCNBPLRR4VCZ5RKDQ}

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	2026-05-18T03:27:24.336371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b22dc8f412c04d0bd718f2a2cf62a1c078887e698eab62e6a6b2f98fd49a142

Aliases

arxiv: 1304.5714 · arxiv_version: 1304.5714v1 · doi: 10.48550/arxiv.1304.5714 · pith_short_12: HMRNZD2BFQCN · pith_short_16: HMRNZD2BFQCNBPLR · pith_short_8: HMRNZD2B

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/HMRNZD2BFQCNBPLRR4VCZ5RKDQ \
  | 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: 3b22dc8f412c04d0bd718f2a2cf62a1c078887e698eab62e6a6b2f98fd49a142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561160049c03fc142798927be752f834f0377ca11f3c22fdef7c088291330bf4",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-04-21T09:44:30Z",
    "title_canon_sha256": "ebfe23b0354fd47e13e87c38d81d481f2245292a1bc3a9d9683ccbec273e141b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5714",
    "kind": "arxiv",
    "version": 1
  }
}