Pith Number

pith:EVZODVX5

pith:2018:EVZODVX52CCRRMHUKPMTVD3VWD

not attested not anchored not stored refs pending

Language Classes Associated With Automata Over Matrix Groups

A. C. Cem Say, Flavio D'Alessandro, \"Ozlem Salehi

arxiv:1810.12415 v2 · 2018-10-29 · 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{EVZODVX52CCRRMHUKPMTVD3VWD}

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	2026-05-18T00:00:39.161706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2572e1d6fdd08518b0f453d93a8f75b0f8c48c2e55a3457aa3b9e1ec51548f35

Aliases

arxiv: 1810.12415 · arxiv_version: 1810.12415v2 · doi: 10.48550/arxiv.1810.12415 · pith_short_12: EVZODVX52CCR · pith_short_16: EVZODVX52CCRRMHU · pith_short_8: EVZODVX5

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/EVZODVX52CCRRMHUKPMTVD3VWD \
  | 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: 2572e1d6fdd08518b0f453d93a8f75b0f8c48c2e55a3457aa3b9e1ec51548f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc4f34ec117ca683d0c3fc4e69aae3c4454825bb704ced4dd0331dd5ea0f980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-10-29T21:24:14Z",
    "title_canon_sha256": "ad6ecc197612008c5cd6bfa93566c3abb0607758d3812cc558d5a2c2098890ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12415",
    "kind": "arxiv",
    "version": 2
  }
}