Pith Number

pith:O2OBFROQ

pith:2021:O2OBFROQA7NUI5U7M65ISZZBGX

not attested not anchored not stored refs pending

Genealogical Population-Based Training for Hyperparameter Optimization

Antoine Scardigli, David Naccache, Matteo Vilucchio, Paul Fournier

arxiv:2109.14925 v2 · 2021-09-30 · 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{O2OBFROQA7NUI5U7M65ISZZBGX}

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	2026-07-05T05:59:01.746730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769c12c5d007db44769f67ba89672135e1284b4cbc2d5d9967ecade9b7448417

Aliases

arxiv: 2109.14925 · arxiv_version: 2109.14925v2 · doi: 10.48550/arxiv.2109.14925 · pith_short_12: O2OBFROQA7NU · pith_short_16: O2OBFROQA7NUI5U7 · pith_short_8: O2OBFROQ

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/O2OBFROQA7NUI5U7M65ISZZBGX \
  | 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: 769c12c5d007db44769f67ba89672135e1284b4cbc2d5d9967ecade9b7448417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a165f648c28007bfac80fb520d3e379f6d791a244ad4d8b014a0883218817097",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-30T08:49:41Z",
    "title_canon_sha256": "2558abc4a69b80cbe6c4d32fd9972981bed175ad9b2dca6c3403457b13718a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14925",
    "kind": "arxiv",
    "version": 2
  }
}