Pith Number

pith:IBP4FX37

pith:2009:IBP4FX37OFAAELPPQHSOFBKMT2

not attested not anchored not stored refs pending

A Monte Carlo AIXI Approximation

David Silver, Joel Veness, Kee Siong Ng, Marcus Hutter, William Uther

arxiv:0909.0801 v2 · 2009-09-04 · 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{IBP4FX37OFAAELPPQHSOFBKMT2}

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	2026-05-18T04:32:34.127244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405fc2df7f7140022def81e4e2854c9e8cbdcedeffcc196b0181baab6049c969

Aliases

arxiv: 0909.0801 · arxiv_version: 0909.0801v2 · doi: 10.48550/arxiv.0909.0801 · pith_short_12: IBP4FX37OFAA · pith_short_16: IBP4FX37OFAAELPP · pith_short_8: IBP4FX37

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/IBP4FX37OFAAELPPQHSOFBKMT2 \
  | 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: 405fc2df7f7140022def81e4e2854c9e8cbdcedeffcc196b0181baab6049c969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eeb706bc4a513df64e8b51033f1966cf3d97fb13fb92a866942ee9e4cf39ab5",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2009-09-04T03:13:58Z",
    "title_canon_sha256": "9987872be737c968bec776c89e6360e74802edfe2bb57ac09d100f24321bad85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0801",
    "kind": "arxiv",
    "version": 2
  }
}