Pith Number

pith:X52U3DKF

pith:2026:X52U3DKF2WK5WQBYYYE5D3SXHN

not attested not anchored not stored refs pending

Hierarchical Solomonoff Induction: An Unbounded Machine Learning Model

Nathan Young

arxiv:2608.01005 v1 · 2026-08-02 · cs.LG · cs.AI · cs.IT · 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{X52U3DKF2WK5WQBYYYE5D3SXHN}

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	2026-08-04T01:56:12.030801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf754d8d45d595db4038c609d1ee573b6ba2b58a4d3033ef3565112e63254b15

Aliases

arxiv: 2608.01005 · arxiv_version: 2608.01005v1 · doi: 10.48550/arxiv.2608.01005 · pith_short_12: X52U3DKF2WK5 · pith_short_16: X52U3DKF2WK5WQBY · pith_short_8: X52U3DKF

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/X52U3DKF2WK5WQBYYYE5D3SXHN \
  | 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: bf754d8d45d595db4038c609d1ee573b6ba2b58a4d3033ef3565112e63254b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dca7ec717625dcf34c05235c85bb1eb3664aeb8fe709da2e28696eb0cd7e718",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-02T05:22:30Z",
    "title_canon_sha256": "4e0d493d359a52945fff90b64ce76beb24acab8312e0bc149c216f77540b5a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01005",
    "kind": "arxiv",
    "version": 1
  }
}