Pith Number

pith:ZFACH7EY

pith:2016:ZFACH7EYEZEMPDLIA2V6JTBIBK

not attested not anchored not stored refs pending

Slowly synchronizing automata with fixed alphabet size

Hans Zantema, Henk Don, Michiel de Bondt

arxiv:1609.06853 v5 · 2016-09-22 · cs.FL · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFACH7EYEZEMPDLIA2V6JTBIBK}

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	2026-05-18T00:28:02.688849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c94023fc982648c78d6806abe4cc280a8d2bfa067e182fba00f6eed2fe5e5508

Aliases

arxiv: 1609.06853 · arxiv_version: 1609.06853v5 · doi: 10.48550/arxiv.1609.06853 · pith_short_12: ZFACH7EYEZEM · pith_short_16: ZFACH7EYEZEMPDLI · pith_short_8: ZFACH7EY

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/ZFACH7EYEZEMPDLIA2V6JTBIBK \
  | 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: c94023fc982648c78d6806abe4cc280a8d2bfa067e182fba00f6eed2fe5e5508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e867c2cb1b5648f1be56da84e3427a7bbe1f478a588d1ba32c1eceea0207dcb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-09-22T08:02:33Z",
    "title_canon_sha256": "5cd0c729cd0c785e5cf197a69b17dc2bf99b26e46f987e3b64c03daf14743a0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06853",
    "kind": "arxiv",
    "version": 5
  }
}