Pith Number

pith:3YTEKITT

pith:2024:3YTEKITTQTXPZ7INIZP7554ECT

not attested not anchored not stored refs pending

The Finiteness Problem for Automaton Semigroups of Extended Bounded Activity

Daniele D'Angeli, Emanuele Rodaro, Jan Philipp W\"achter

arxiv:2406.20056 v2 · 2024-06-28 · cs.FL · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YTEKITTQTXPZ7INIZP7554ECT}

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	2026-05-27T02:05:00.485449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2645227384eefcfd0d465ffef78414ff2d05057f6592ca5fad0acbfe19b5c9

Aliases

arxiv: 2406.20056 · arxiv_version: 2406.20056v2 · doi: 10.48550/arxiv.2406.20056 · pith_short_12: 3YTEKITTQTXP · pith_short_16: 3YTEKITTQTXPZ7IN · pith_short_8: 3YTEKITT

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/3YTEKITTQTXPZ7INIZP7554ECT \
  | 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: de2645227384eefcfd0d465ffef78414ff2d05057f6592ca5fad0acbfe19b5c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e958d20414b6dd83a5e65c6b2ddab317b945a5c5cf36584e096114f192c996c",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2024-06-28T17:09:14Z",
    "title_canon_sha256": "0e5e4d5bac2d6d9fc4efcbb6ae2c0c6ed5cd0132cae08d2a8b06a5c16b896a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.20056",
    "kind": "arxiv",
    "version": 2
  }
}