Pith Number

pith:ITAJQ37C

pith:2017:ITAJQ37CVEDBDGLGNL2AJOI5H3

not attested not anchored not stored refs pending

Language Approximation With One-Counter Automata

Alexander Sakharov

arxiv:1707.07670 v1 · 2017-07-23 · 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{ITAJQ37CVEDBDGLGNL2AJOI5H3}

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	2026-05-18T00:39:30.728220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c0986fe2a9061199666af404b91d3ef9edf3b155d23d36bae96bbbe6fe7aae

Aliases

arxiv: 1707.07670 · arxiv_version: 1707.07670v1 · doi: 10.48550/arxiv.1707.07670 · pith_short_12: ITAJQ37CVEDB · pith_short_16: ITAJQ37CVEDBDGLG · pith_short_8: ITAJQ37C

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/ITAJQ37CVEDBDGLGNL2AJOI5H3 \
  | 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: 44c0986fe2a9061199666af404b91d3ef9edf3b155d23d36bae96bbbe6fe7aae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb02efe4d7878b5481e2f9ac5a6d8b356b21490e44f641392df16f1b624f77c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-07-23T13:13:15Z",
    "title_canon_sha256": "67e7dc77c05667cef15cffd19b4322175b6627e110ca77949d0fc3a240d19e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07670",
    "kind": "arxiv",
    "version": 1
  }
}