Pith Number

pith:WG2OGKOG

pith:2018:WG2OGKOGGTSI5QRNQ4Z4WYTEES

not attested not anchored not stored refs pending

geomstats: a Python Package for Riemannian Geometry in Machine Learning

Claire Donnat, Johan Mathe, Mikael Jorda, Nina Miolane, Xavier Pennec

arxiv:1805.08308 v2 · 2018-05-21 · cs.LG · cs.MS · 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{WG2OGKOGGTSI5QRNQ4Z4WYTEES}

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	2026-05-18T00:01:29.551922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1b4e329c634e48ec22d8733cb626424a0fceb4c19827989c88f3f79945845c4

Aliases

arxiv: 1805.08308 · arxiv_version: 1805.08308v2 · doi: 10.48550/arxiv.1805.08308 · pith_short_12: WG2OGKOGGTSI · pith_short_16: WG2OGKOGGTSI5QRN · pith_short_8: WG2OGKOG

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/WG2OGKOGGTSI5QRNQ4Z4WYTEES \
  | 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: b1b4e329c634e48ec22d8733cb626424a0fceb4c19827989c88f3f79945845c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e8515a0a8c87404849df1a9adfdaa8dcd43627ed80f1deadc3d7a85ac952fd",
    "cross_cats_sorted": [
      "cs.MS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-21T22:24:14Z",
    "title_canon_sha256": "285dc82bf12b88dfd1d8bb18896c3c8403983f20282cdca579b085a2896b763b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08308",
    "kind": "arxiv",
    "version": 2
  }
}