Pith Number

pith:72ART3KB

pith:2018:72ART3KB5MABMZMX5UEZ2PBWOH

not attested not anchored not stored refs pending

Meta-learning: searching in the model space

Karol Grudzi\'nsk, W{\l}odzis{\l}aw Duch

arxiv:1806.06207 v1 · 2018-06-16 · cs.LG · cs.AI · 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{72ART3KB5MABMZMX5UEZ2PBWOH}

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	2026-05-18T00:13:03.285259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe8119ed41eb00166597ed099d3c3671e432adcaf8c6cecd718932921520a101

Aliases

arxiv: 1806.06207 · arxiv_version: 1806.06207v1 · doi: 10.48550/arxiv.1806.06207 · pith_short_12: 72ART3KB5MAB · pith_short_16: 72ART3KB5MABMZMX · pith_short_8: 72ART3KB

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/72ART3KB5MABMZMX5UEZ2PBWOH \
  | 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: fe8119ed41eb00166597ed099d3c3671e432adcaf8c6cecd718932921520a101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87142f6b148c5fd4092ecee65cae32d59f8edefaf075d536ef7b90f5b2949fe3",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-06-16T08:24:35Z",
    "title_canon_sha256": "32f9bae6acedf791ae4b71324b278d9e14f28712cba811a155a99eb1a1ac2c8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06207",
    "kind": "arxiv",
    "version": 1
  }
}