Pith Number

pith:OEVX5ZXN

pith:2020:OEVX5ZXNA7ERZDMGC4D4PPKPZQ

not attested not anchored not stored refs pending

Meta Learning Backpropagation And Improving It

J\"urgen Schmidhuber, Louis Kirsch

arxiv:2012.14905 v4 · 2020-12-29 · cs.LG · cs.AI · cs.NE · 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{OEVX5ZXNA7ERZDMGC4D4PPKPZQ}

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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

How Should We Meta-Learn Reinforcement Learning Algorithms?

Receipt and verification

First computed	2026-07-05T04:04:37.465913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712b7ee6ed07c91c8d861707c7bd4fcc12e24dae59593513e547e9ca848b42f2

Aliases

arxiv: 2012.14905 · arxiv_version: 2012.14905v4 · doi: 10.48550/arxiv.2012.14905 · pith_short_12: OEVX5ZXNA7ER · pith_short_16: OEVX5ZXNA7ERZDMG · pith_short_8: OEVX5ZXN

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/OEVX5ZXNA7ERZDMGC4D4PPKPZQ \
  | 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: 712b7ee6ed07c91c8d861707c7bd4fcc12e24dae59593513e547e9ca848b42f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce00750eb8e93da8101012bb72e8121e1e056540f9035bae3fe7e2a885e391e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-29T18:56:10Z",
    "title_canon_sha256": "cb044daa8fcfd41fe69d6fe3b0f9a16e77f8eada673e5003a1cc3d1e5c0eba6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14905",
    "kind": "arxiv",
    "version": 4
  }
}