Pith Number

pith:6B3UVPWL

pith:2013:6B3UVPWLLDRDOAH2PPULN37Q6H

not attested not anchored not stored refs pending

Riemannian metrics for neural networks I: feedforward networks

Yann Ollivier

arxiv:1303.0818 v5 · 2013-03-04 · cs.NE · cs.IT · cs.LG · math.DG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6B3UVPWLLDRDOAH2PPULN37Q6H}

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.

Cited by

1 paper in Pith

Double Preconditioning (DoPr): Optimization for Test-Time Performance, not Validation Loss

Receipt and verification

First computed	2026-05-18T02:28:05.617292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0774abecb58e23700fa7be8b6eff0f1e1537738a8764d92d296f0b526715ac1

Aliases

arxiv: 1303.0818 · arxiv_version: 1303.0818v5 · doi: 10.48550/arxiv.1303.0818 · pith_short_12: 6B3UVPWLLDRD · pith_short_16: 6B3UVPWLLDRDOAH2 · pith_short_8: 6B3UVPWL

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/6B3UVPWLLDRDOAH2PPULN37Q6H \
  | 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: f0774abecb58e23700fa7be8b6eff0f1e1537738a8764d92d296f0b526715ac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9768f0968867f569f99b673a33dcc46769df2943e75d3e8aa3db6d94f414c4f6",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.DG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2013-03-04T20:41:09Z",
    "title_canon_sha256": "7b2aff46f2e1bc4bd4862a622b03d6506391dc413d8ac86fb3996e2cc5f22bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0818",
    "kind": "arxiv",
    "version": 5
  }
}