Pith Number

pith:253OH52I

pith:2021:253OH52IA5XGMP6IPIFUA3QX7V

not attested not anchored not stored refs pending

Depth Without the Magic: Inductive Bias of Natural Gradient Descent

Anna Kerekes, Anna M\'esz\'aros, Ferenc Husz\'ar

arxiv:2111.11542 v1 · 2021-11-22 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{253OH52IA5XGMP6IPIFUA3QX7V}

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	2026-07-05T03:34:10.271415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d776e3f748076e663fc87a0b406e17fd532023b3e24523e5c378c7abfe86b2c9

Aliases

arxiv: 2111.11542 · arxiv_version: 2111.11542v1 · doi: 10.48550/arxiv.2111.11542 · pith_short_12: 253OH52IA5XG · pith_short_16: 253OH52IA5XGMP6I · pith_short_8: 253OH52I

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/253OH52IA5XGMP6IPIFUA3QX7V \
  | 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: d776e3f748076e663fc87a0b406e17fd532023b3e24523e5c378c7abfe86b2c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bfe2437a5f2fe4769724300a9011af8543b5f3edc26f96dc6c71d36b12ab179",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-11-22T21:20:10Z",
    "title_canon_sha256": "e3c76796699fb23dd3ab3b7f15f55d10720efdcc73ccd2695b6cf616e8e6e901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11542",
    "kind": "arxiv",
    "version": 1
  }
}