Pith Number

pith:FN2M4KOE

pith:2023:FN2M4KOETKE6BZ4EEI74BYLTR7

not attested not anchored not stored refs pending

MLRegTest: A Benchmark for the Machine Learning of Regular Languages

Chihiro Shibata, Cody St. Clair, Dakotah Lambert, Derek Andersen, Emily Peterson, Jeffrey Heinz, Joanne Chau, Kalina Kostyszyn, Paul Fodor, Rahul Verma, Sam van der Poel, Tiantian Gao

arxiv:2304.07687 v4 · 2023-04-16 · cs.LG · cs.CL · 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{FN2M4KOETKE6BZ4EEI74BYLTR7}

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	2026-07-05T09:01:24.023896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b74ce29c49a89e0e784223fc0e1738fe3d0b4cddfbab8adb95a29fdf1a1da22

Aliases

arxiv: 2304.07687 · arxiv_version: 2304.07687v4 · doi: 10.48550/arxiv.2304.07687 · pith_short_12: FN2M4KOETKE6 · pith_short_16: FN2M4KOETKE6BZ4E · pith_short_8: FN2M4KOE

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/FN2M4KOETKE6BZ4EEI74BYLTR7 \
  | 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: 2b74ce29c49a89e0e784223fc0e1738fe3d0b4cddfbab8adb95a29fdf1a1da22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89823f52290c56c2054f8ea05cf0bcb837bccf096921ced0f889b19d1a59c9bc",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-04-16T03:49:50Z",
    "title_canon_sha256": "04a799962be895636eae94f668d8749eb7b9a5abb9f189a9c79fa4dc143a78c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07687",
    "kind": "arxiv",
    "version": 4
  }
}