Pith Number

pith:WZWJXHWW

pith:2016:WZWJXHWWXU4IASYBPMCP4DAXTO

not attested not anchored not stored refs pending

Reactive Turing Machines with Infinite Alphabets

Bas Luttik, Fei Yang

arxiv:1610.06552 v3 · 2016-10-20 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZWJXHWWXU4IASYBPMCP4DAXTO}

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	2026-05-18T00:50:29.025681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66c9b9ed6bd38804b017b04fe0c179ba7b71b59654691eab526cd471c4bbdf2

Aliases

arxiv: 1610.06552 · arxiv_version: 1610.06552v3 · doi: 10.48550/arxiv.1610.06552 · pith_short_12: WZWJXHWWXU4I · pith_short_16: WZWJXHWWXU4IASYB · pith_short_8: WZWJXHWW

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/WZWJXHWWXU4IASYBPMCP4DAXTO \
  | 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: b66c9b9ed6bd38804b017b04fe0c179ba7b71b59654691eab526cd471c4bbdf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1cf952dc42c6a2ece2e84a71457c195140bcdc7914293f5197a12cbb944d539",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-10-20T19:38:54Z",
    "title_canon_sha256": "52c005a8da16161594e0159664f45f9d98c57e3ffc355e3f1ae179de5374adc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06552",
    "kind": "arxiv",
    "version": 3
  }
}