Pith Number

pith:7OWWICQL

pith:2024:7OWWICQLCE6SWWVER2CJGMJH54

not attested not anchored not stored refs pending

A hierarchy of reversible finite automata

Alexander Okhotin, Maria Radionova

arxiv:2411.14538 v1 · 2024-11-21 · 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{7OWWICQLCE6SWWVER2CJGMJH54}

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	2026-07-05T09:38:52.897654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbad640a0b113d2b5aa48e84933127ef11fd994480afca528922f0ec90547c10

Aliases

arxiv: 2411.14538 · arxiv_version: 2411.14538v1 · doi: 10.48550/arxiv.2411.14538 · pith_short_12: 7OWWICQLCE6S · pith_short_16: 7OWWICQLCE6SWWVE · pith_short_8: 7OWWICQL

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/7OWWICQLCE6SWWVER2CJGMJH54 \
  | 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: fbad640a0b113d2b5aa48e84933127ef11fd994480afca528922f0ec90547c10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca85a711bc3f6af98d4c0cbd21117b006c1aea722f681976b773b9c19544c04",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2024-11-21T19:10:08Z",
    "title_canon_sha256": "2232d0d17b3757695bcd0485775f4a06517d453bb255afd61b8a0989b1555a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14538",
    "kind": "arxiv",
    "version": 1
  }
}