Pith Number

pith:MAGD67L5

pith:2026:MAGD67L5C7MJQIDEH2S67YKKBV

not attested not anchored not stored refs pending

Eigen for Statistical and Machine Learning Computing: A Lightweight C++ Tutorial with Python Bindings

Kwan-Young Bak, Seyoung Lee

arxiv:2605.22030 v1 · 2026-05-21 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAGD67L5C7MJQIDEH2S67YKKBV}

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	2026-05-22T01:04:21.248987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

600c3f7d7d17d89820643ea5efe14a0d7020198042c276a55a02741296351981

Aliases

arxiv: 2605.22030 · arxiv_version: 2605.22030v1 · doi: 10.48550/arxiv.2605.22030 · pith_short_12: MAGD67L5C7MJ · pith_short_16: MAGD67L5C7MJQIDE · pith_short_8: MAGD67L5

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/MAGD67L5C7MJQIDEH2S67YKKBV \
  | 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: 600c3f7d7d17d89820643ea5efe14a0d7020198042c276a55a02741296351981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7c4a1cde441772a58116c5c443189148d869ff38a0bf9f6b39b58b66b234e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2026-05-21T05:59:55Z",
    "title_canon_sha256": "85d074f29ec6077b4c193c2a0ace9d81e322e63b9f600310fbc70afdb0fb3cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22030",
    "kind": "arxiv",
    "version": 1
  }
}