Pith Number

pith:S3QSEHWG

pith:2018:S3QSEHWGMWVRAGPZDOIQEQPIGB

not attested not anchored not stored refs pending

Meta-Learning by the Baldwin Effect

Alexander Pritzel, Andrei A. Rusu, Chrisantha Thomas Fernando, Denis Teplyashin, Jakub Sygnowski, Jane Wang, Pablo Sprechmann, Simon Osindero, Tom Schaul

arxiv:1806.07917 v2 · 2018-06-06 · cs.NE · cs.AI · 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{S3QSEHWGMWVRAGPZDOIQEQPIGB}

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	2026-05-18T00:12:37.668596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e1221ec665ab1019f91b910241e8306404daba1c20c97722d27e74d6c33d75

Aliases

arxiv: 1806.07917 · arxiv_version: 1806.07917v2 · doi: 10.48550/arxiv.1806.07917 · pith_short_12: S3QSEHWGMWVR · pith_short_16: S3QSEHWGMWVRAGPZ · pith_short_8: S3QSEHWG

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/S3QSEHWGMWVRAGPZDOIQEQPIGB \
  | 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: 96e1221ec665ab1019f91b910241e8306404daba1c20c97722d27e74d6c33d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b62ee6ea5b1827b326c677b857911ca267eb4d1903f5c8a3bd487f0225399bbc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-06-06T08:39:03Z",
    "title_canon_sha256": "87098cb5e2d39fa8b52e3352d4b8cc532e331b4632d3a05acbcfeaa2d57c6bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07917",
    "kind": "arxiv",
    "version": 2
  }
}