Pith Number

pith:AB47TOFD

pith:2007:AB47TOFD6IHYJXUBRO7G3YSQ25

not attested not anchored not stored refs pending

A Collection of Definitions of Intelligence

Marcus Hutter, Shane Legg

arxiv:0706.3639 v1 · 2007-06-25 · 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{AB47TOFD6IHYJXUBRO7G3YSQ25}

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.

Cited by

1 paper in Pith

Promptbreeder: Self-Referential Self-Improvement Via Prompt Evolution

Receipt and verification

First computed	2026-07-04T15:02:26.197310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0079f9b8a3f20f84de818bbe6de250d7498d979720c6eb244cafc255c5841521

Aliases

arxiv: 0706.3639 · arxiv_version: 0706.3639v1 · doi: 10.48550/arxiv.0706.3639 · pith_short_12: AB47TOFD6IHY · pith_short_16: AB47TOFD6IHYJXUB · pith_short_8: AB47TOFD

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/AB47TOFD6IHYJXUBRO7G3YSQ25 \
  | 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: 0079f9b8a3f20f84de818bbe6de250d7498d979720c6eb244cafc255c5841521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36e4cffc67fab5d29ce504bd4c6ecc74b26c299f9ec204c113490ead45b019e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2007-06-25T13:40:56Z",
    "title_canon_sha256": "d21397b67ad1ba8da451b5b31e12f0f5a806828a6ffd1810a02cdd092fd901ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3639",
    "kind": "arxiv",
    "version": 1
  }
}