Pith Number

pith:QMZXSKX2

pith:2021:QMZXSKX2BJRTLSUSBGI6GSXAIJ

not attested not anchored not stored refs pending

Co-lexicographically Ordering Automata and Regular Languages -- Part II

Alberto Policriti, Giovanna D'Agostino, Nicola Cotumaccio, Nicola Prezza

arxiv:2102.06798 v3 · 2021-02-12 · 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{QMZXSKX2BJRTLSUSBGI6GSXAIJ}

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	2026-07-05T05:49:52.268178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8333792afa0a6335ca920991e34ae0426b7cd93bda21345fdfdfc32e44476d96

Aliases

arxiv: 2102.06798 · arxiv_version: 2102.06798v3 · doi: 10.48550/arxiv.2102.06798 · pith_short_12: QMZXSKX2BJRT · pith_short_16: QMZXSKX2BJRTLSUS · pith_short_8: QMZXSKX2

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/QMZXSKX2BJRTLSUSBGI6GSXAIJ \
  | 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: 8333792afa0a6335ca920991e34ae0426b7cd93bda21345fdfdfc32e44476d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dafbddc904060a533c76364548177297535be6f3934395770fa3c5c49418e4a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2021-02-12T22:25:30Z",
    "title_canon_sha256": "c9068ef8acafa3edd48248e600c41f8072dbe9e2b28a537c9e929851dab668f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06798",
    "kind": "arxiv",
    "version": 3
  }
}