Pith Number

pith:3ZK37Q3H

pith:2021:3ZK37Q3HLG7BCMFRIYIHMLELG2

not attested not anchored not stored refs pending

Turing Completeness and Sid Meier's Civilization

Adrian de Wynter

arxiv:2104.14647 v1 · 2021-04-29 · cs.CC · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZK37Q3HLG7BCMFRIYIHMLELG2}

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	2026-07-05T08:59:48.037705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de55bfc36759be1130b14610762c8b368e83a0536af617151de324f518cf5bf9

Aliases

arxiv: 2104.14647 · arxiv_version: 2104.14647v1 · doi: 10.48550/arxiv.2104.14647 · pith_short_12: 3ZK37Q3HLG7B · pith_short_16: 3ZK37Q3HLG7BCMFR · pith_short_8: 3ZK37Q3H

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/3ZK37Q3HLG7BCMFRIYIHMLELG2 \
  | 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: de55bfc36759be1130b14610762c8b368e83a0536af617151de324f518cf5bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e45f9623a2f6ba38358a2da5694ded51861506fb8ca07d9f6b020575bb54ab70",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2021-04-29T20:48:58Z",
    "title_canon_sha256": "0c42118cb981a90a965d856ab5777351d6f6359e01eea090c74a53b97e57601e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14647",
    "kind": "arxiv",
    "version": 1
  }
}