Pith Number

pith:OO45V7T3

pith:2019:OO45V7T3YIGIHET447UTIJUEHA

not attested not anchored not stored refs pending

Riemannian batch normalization for SPD neural networks

Daniel Brooks, Frederic Barbaresco, Jean-Yves Schneider, Matthieu Cord, Olivier Schwander

arxiv:1909.02414 v2 · 2019-09-03 · cs.LG · stat.ML

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OO45V7T3YIGIHET447UTIJUEHA}

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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.

Cited by

1 paper in Pith

Riemannian Geometry for Pre-trained Language Model Embeddings

Receipt and verification

First computed	2026-07-05T00:04:10.677438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73b9dafe7bc20c83927ce7e934268438367d0b9e00ad576ed8ab598f20453c78

Aliases

arxiv: 1909.02414 · arxiv_version: 1909.02414v2 · doi: 10.48550/arxiv.1909.02414 · pith_short_12: OO45V7T3YIGI · pith_short_16: OO45V7T3YIGIHET4 · pith_short_8: OO45V7T3

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/OO45V7T3YIGIHET447UTIJUEHA \
  | 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: 73b9dafe7bc20c83927ce7e934268438367d0b9e00ad576ed8ab598f20453c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4cdfd5b0f484a0304bff4bde099fb6ef7961bf360a67d61db076e3ce548236",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-09-03T23:03:50Z",
    "title_canon_sha256": "511ba3cb004a0a66fd8345f4935e85892bd67bfde17cf43074c0c5dc8ced3ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02414",
    "kind": "arxiv",
    "version": 2
  }
}