Pith Number

pith:HHPDQ3TX

pith:2010:HHPDQ3TXROTGTUYVV3U4BFRCW2

not attested not anchored not stored refs pending

Model Selection by Loss Rank for Classification and Unsupervised Learning

Marcus Hutter, Minh-Ngoc Tran

arxiv:1011.1379 v1 · 2010-11-05 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHPDQ3TXROTGTUYVV3U4BFRCW2}

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	2026-05-18T04:36:58.555734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39de386e778ba669d315aee9c09622b6b1dccc333496a54eaf4d01d1beedd345

Aliases

arxiv: 1011.1379 · arxiv_version: 1011.1379v1 · doi: 10.48550/arxiv.1011.1379 · pith_short_12: HHPDQ3TXROTG · pith_short_16: HHPDQ3TXROTGTUYV · pith_short_8: HHPDQ3TX

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/HHPDQ3TXROTGTUYVV3U4BFRCW2 \
  | 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: 39de386e778ba669d315aee9c09622b6b1dccc333496a54eaf4d01d1beedd345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da621054217801726a5a6547c3f4825c4c7a0dfd247c49fbe107a24d19a264e8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "stat.ME",
    "submitted_at": "2010-11-05T12:21:12Z",
    "title_canon_sha256": "22bebb123d071f2d657d71fd8bb4c5c33467e27a16fe235681c0a598850e09a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1379",
    "kind": "arxiv",
    "version": 1
  }
}