Pith Number

pith:GAMMEUTW

pith:2009:GAMMEUTWHVHUWYQH6BL2ENQE3O

not attested not anchored not stored refs pending

Open Problems in Universal Induction & Intelligence

Marcus Hutter

arxiv:0907.0746 v1 · 2009-07-04 · cs.AI · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAMMEUTWHVHUWYQH6BL2ENQE3O}

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

Hierarchical Solomonoff Induction: An Unbounded Machine Learning Model

Receipt and verification

First computed	2026-05-18T04:32:34.150932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3018c252763d4f4b6207f057a23604dbab376665b8eebb614407c659fa56af85

Aliases

arxiv: 0907.0746 · arxiv_version: 0907.0746v1 · doi: 10.48550/arxiv.0907.0746 · pith_short_12: GAMMEUTWHVHU · pith_short_16: GAMMEUTWHVHUWYQH · pith_short_8: GAMMEUTW

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/GAMMEUTWHVHUWYQH6BL2ENQE3O \
  | 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: 3018c252763d4f4b6207f057a23604dbab376665b8eebb614407c659fa56af85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed406a67ca7a8e4aa320932ce5bf77b9b1ab5a487c9ad661469311aeb609d5c",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2009-07-04T08:45:22Z",
    "title_canon_sha256": "9aca4aeab377ebf1318a3e747634211cda8a5915eb9955e3c679a3f901e53b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0746",
    "kind": "arxiv",
    "version": 1
  }
}