Pith Number

pith:PP6N2Z2T

pith:2026:PP6N2Z2T3XB7YWD6SU2MR66GPW

not attested not anchored not stored refs pending

Algebraic Machine Learning for Small-to-Medium Datasets Is Competitive against Strong Standard Baselines

David Mendez, Fernando Martin-Maroto, Gonzalo G. de Polavieja

arxiv:2605.22155 v1 · 2026-05-21 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PP6N2Z2T3XB7YWD6SU2MR66GPW}

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	2026-05-22T01:04:28.907880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bfcdd6753ddc3fc587e9534c8fbc67db7942e1f33652dbe27932e1e4eb02fbe

Aliases

arxiv: 2605.22155 · arxiv_version: 2605.22155v1 · doi: 10.48550/arxiv.2605.22155 · pith_short_12: PP6N2Z2T3XB7 · pith_short_16: PP6N2Z2T3XB7YWD6 · pith_short_8: PP6N2Z2T

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/PP6N2Z2T3XB7YWD6SU2MR66GPW \
  | 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: 7bfcdd6753ddc3fc587e9534c8fbc67db7942e1f33652dbe27932e1e4eb02fbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b8effd3fd943d9c80da9dba0b5f2982b0264a9c1b6e9fd3127f9ba152cf946",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T08:25:22Z",
    "title_canon_sha256": "d267e2e94c299bd166605fa690502dd1a871560ee855114667a3d4d4fb0d791a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22155",
    "kind": "arxiv",
    "version": 1
  }
}