Pith Number

pith:AKUNOH3U

pith:2011:AKUNOH3UE7JSDJRTBUOGWOVY7F

not attested not anchored not stored refs pending

Reactive Turing Machines

Bas Luttik, Jos C. M. Baeten, Paul van Tilburg

arxiv:1104.1738 v5 · 2011-04-09 · cs.LO · 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{AKUNOH3UE7JSDJRTBUOGWOVY7F}

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	2026-05-18T03:31:54.527125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a8d71f7427d321a6330d1c6b3ab8f9455578b89e85bf0f3427e7a7f1f05286

Aliases

arxiv: 1104.1738 · arxiv_version: 1104.1738v5 · doi: 10.48550/arxiv.1104.1738 · pith_short_12: AKUNOH3UE7JS · pith_short_16: AKUNOH3UE7JSDJRT · pith_short_8: AKUNOH3U

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/AKUNOH3UE7JSDJRTBUOGWOVY7F \
  | 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: 02a8d71f7427d321a6330d1c6b3ab8f9455578b89e85bf0f3427e7a7f1f05286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f525e8135956ccc78389f039c6563b0687e0468f3c4da5681ca112cbb34a48",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-04-09T22:55:38Z",
    "title_canon_sha256": "7271305a41d2fe2a5c94c50dfd16925623f9a84be638c51f24e57321a9895a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1738",
    "kind": "arxiv",
    "version": 5
  }
}