Pith Number

pith:A3XNFXXU

pith:2013:A3XNFXXUGLW6BYXC2G3THGNV4W

not attested not anchored not stored refs pending

A decidable class of (nominal) omega-regular languages over an infinite alphabet

Matteo Sammartino, Vincenzo Ciancia

arxiv:1310.3945 v1 · 2013-10-15 · 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{A3XNFXXUGLW6BYXC2G3THGNV4W}

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	2026-05-18T03:10:25.637923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06eed2def432ede0e2e2d1b73399b5e591c63013f109c2a1b36c06cb974409d6

Aliases

arxiv: 1310.3945 · arxiv_version: 1310.3945v1 · doi: 10.48550/arxiv.1310.3945 · pith_short_12: A3XNFXXUGLW6 · pith_short_16: A3XNFXXUGLW6BYXC · pith_short_8: A3XNFXXU

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/A3XNFXXUGLW6BYXC2G3THGNV4W \
  | 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: 06eed2def432ede0e2e2d1b73399b5e591c63013f109c2a1b36c06cb974409d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ba298c90c75a82c791bf5c798eb176dfaf5e307d29b29efcd86a8a6cb5b9864",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-10-15T08:04:57Z",
    "title_canon_sha256": "d1d73f6a02e58dcb59c17ff3f1dbd618e3f3645ced9469393decd9d379f4c2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3945",
    "kind": "arxiv",
    "version": 1
  }
}