Pith Number

pith:V3E4AGR6

pith:2013:V3E4AGR67POLIBJOFWJSFVE55A

not attested not anchored not stored refs pending

The SP theory of intelligence: an overview

J. Gerard Wolff

arxiv:1306.3888 v4 · 2013-06-13 · 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{V3E4AGR67POLIBJOFWJSFVE55A}

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	2026-05-18T02:29:55.256491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec9c01a3efbdcb4052e2d9322d49de80a01459a75b65f431a236a538f2b84be

Aliases

arxiv: 1306.3888 · arxiv_version: 1306.3888v4 · doi: 10.48550/arxiv.1306.3888 · pith_short_12: V3E4AGR67POL · pith_short_16: V3E4AGR67POLIBJO · pith_short_8: V3E4AGR6

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/V3E4AGR67POLIBJOFWJSFVE55A \
  | 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: aec9c01a3efbdcb4052e2d9322d49de80a01459a75b65f431a236a538f2b84be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ba83f8d7b68c4efb5ae0043891780c34af2e9f924b37f747f642d73dac25b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-06-13T11:51:17Z",
    "title_canon_sha256": "8dcb842826b3c79c5bffe586985b0bb720032e4726cc4d9c230e6e4a8272ac4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3888",
    "kind": "arxiv",
    "version": 4
  }
}