Pith Number

pith:B52ITTQY

pith:2017:B52ITTQY6W3VMY4XCY5LRXAQON

not attested not anchored not stored refs pending

Nontrivial Turmites are Turing-universal

Anah\'i Gajardo, Andr\'es Moreira, Benjamin Hellouin de Menibus, Diego Maldonado

arxiv:1702.05547 v1 · 2017-02-18 · cs.CC · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B52ITTQY6W3VMY4XCY5LRXAQON}

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	2026-05-18T00:50:30.513943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7489ce18f5b7566397163ab8dc107374e4e48b28504ba27fd53fe01b5ff411

Aliases

arxiv: 1702.05547 · arxiv_version: 1702.05547v1 · doi: 10.48550/arxiv.1702.05547 · pith_short_12: B52ITTQY6W3V · pith_short_16: B52ITTQY6W3VMY4X · pith_short_8: B52ITTQY

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/B52ITTQY6W3VMY4XCY5LRXAQON \
  | 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: 0f7489ce18f5b7566397163ab8dc107374e4e48b28504ba27fd53fe01b5ff411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cca8ad70f6f06840087d57decb38a8d882b2546f3769261230c69d72bfb1aa3",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-02-18T00:19:02Z",
    "title_canon_sha256": "058370a8b22208d0bd8ce254fbd0858c1bf013f133ba2bc2031302587ea08e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05547",
    "kind": "arxiv",
    "version": 1
  }
}