Pith Number

pith:2O4O34I7

pith:2021:2O4O34I7EXP2J3AFFEAGXLAI3Y

not attested not anchored not stored refs pending

Rip van Winkle's Razor: A Simple Estimate of Overfit to Test Data

Sanjeev Arora, Yi Zhang

arxiv:2102.13189 v1 · 2021-02-25 · cs.LG · 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{2O4O34I7EXP2J3AFFEAGXLAI3Y}

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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

Overtuning in Hyperparameter Optimization

Receipt and verification

First computed	2026-07-05T02:18:34.877327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b8edf11f25dfa4ec0529006bac08de3c175017130ed5f2c5c7a3e987620881

Aliases

arxiv: 2102.13189 · arxiv_version: 2102.13189v1 · doi: 10.48550/arxiv.2102.13189 · pith_short_12: 2O4O34I7EXP2 · pith_short_16: 2O4O34I7EXP2J3AF · pith_short_8: 2O4O34I7

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/2O4O34I7EXP2J3AFFEAGXLAI3Y \
  | 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: d3b8edf11f25dfa4ec0529006bac08de3c175017130ed5f2c5c7a3e987620881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bcdafc8f6a6afd068423b79c2580f7ee968f780c9a10f05b547d6086fe34177",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-25T21:47:03Z",
    "title_canon_sha256": "5de6245e48557dfa40e4d6b0ec1310676ba1d5ee7cdc5edd1c383e0f2113e2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13189",
    "kind": "arxiv",
    "version": 1
  }
}