Pith Number

pith:MX5N6N56

pith:2014:MX5N6N56JQUJ5CH7K2JVVBBR26

not attested not anchored not stored refs pending

Smart machines and the SP theory of intelligence

J. Gerard Wolff

arxiv:1401.1669 v1 · 2014-01-08 · 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{MX5N6N56JQUJ5CH7K2JVVBBR26}

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	2026-05-18T02:58:34.262733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65fadf37be4c289e88ff56935a8431d7b578c2bd97d81749825c3da21fb486d6

Aliases

arxiv: 1401.1669 · arxiv_version: 1401.1669v1 · doi: 10.48550/arxiv.1401.1669 · pith_short_12: MX5N6N56JQUJ · pith_short_16: MX5N6N56JQUJ5CH7 · pith_short_8: MX5N6N56

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/MX5N6N56JQUJ5CH7K2JVVBBR26 \
  | 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: 65fadf37be4c289e88ff56935a8431d7b578c2bd97d81749825c3da21fb486d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cafb73618d319c0c4e0019071021578a20e33db06c091b13be8374525732d05f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-08T11:32:56Z",
    "title_canon_sha256": "820b4ccad8f0252e6548fa628e473f46f93012d1a3744c6e101b2e19dedb7ef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1669",
    "kind": "arxiv",
    "version": 1
  }
}