Pith Number

pith:TBAKTDFP

pith:2018:TBAKTDFPGRTAIAEHFHS5IH3QFS

not attested not anchored not stored refs pending

A Coordinate-Free Construction of Scalable Natural Gradient

Kevin Luk, Roger Grosse

arxiv:1808.10340 v1 · 2018-08-30 · cs.LG · math.DG · math.OC · 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{TBAKTDFPGRTAIAEHFHS5IH3QFS}

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	2026-05-18T00:06:49.101085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9840a98caf346604008729e5d41f702c8c7c8b2720ae41ccd43956ab0540fa99

Aliases

arxiv: 1808.10340 · arxiv_version: 1808.10340v1 · doi: 10.48550/arxiv.1808.10340 · pith_short_12: TBAKTDFPGRTA · pith_short_16: TBAKTDFPGRTAIAEH · pith_short_8: TBAKTDFP

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/TBAKTDFPGRTAIAEHFHS5IH3QFS \
  | 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: 9840a98caf346604008729e5d41f702c8c7c8b2720ae41ccd43956ab0540fa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608a96cc71f2ac5cd2269e8c0e255f05b87c3d68eb7923aac46e4463f15f1822",
    "cross_cats_sorted": [
      "math.DG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-30T15:06:03Z",
    "title_canon_sha256": "a9e8aa652eb8c59b3ccfe4b3085c900da904a087383c6e6c3d25b7f886eceac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10340",
    "kind": "arxiv",
    "version": 1
  }
}