Pith Number

pith:EG5N5PRN

pith:2022:EG5N5PRNZYLPUP63QDBXCSFMSH

not attested not anchored not stored refs pending

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

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

arxiv:2208.04931 v3 · 2022-08-09 · 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{EG5N5PRNZYLPUP63QDBXCSFMSH}

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	2026-07-05T06:06:40.681642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21badebe2dce16fa3fdb80c37148ac91cb3b930f5baa2468d020f1561c85772d

Aliases

arxiv: 2208.04931 · arxiv_version: 2208.04931v3 · doi: 10.48550/arxiv.2208.04931 · pith_short_12: EG5N5PRNZYLP · pith_short_16: EG5N5PRNZYLPUP63 · pith_short_8: EG5N5PRN

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/EG5N5PRNZYLPUP63QDBXCSFMSH \
  | 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: 21badebe2dce16fa3fdb80c37148ac91cb3b930f5baa2468d020f1561c85772d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0533c73e21e0543eda1c98803e7b73c2c51a525d555a79b54b8704d143341064",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2022-08-09T17:51:20Z",
    "title_canon_sha256": "c22435fd83ca383ebf7ee9428376d2d640115d6c9ad23598b659df736f00dec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04931",
    "kind": "arxiv",
    "version": 3
  }
}