Pith Number

pith:X66P6IRY

pith:2019:X66P6IRYK6SG5KVSGTTN33OKOB

not attested not anchored not stored refs pending

Hyper-parameter Tuning under a Budget Constraint

Chao-Kai Chiang, Fei Sha, Zhiyun Lu

arxiv:1902.00532 v1 · 2019-02-01 · 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{X66P6IRYK6SG5KVSGTTN33OKOB}

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	2026-05-17T23:54:52.915873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbcff223857a46eaab234e6ddedca7051d33f5a1715cf58e0b85eec5253ccec

Aliases

arxiv: 1902.00532 · arxiv_version: 1902.00532v1 · doi: 10.48550/arxiv.1902.00532 · pith_short_12: X66P6IRYK6SG · pith_short_16: X66P6IRYK6SG5KVS · pith_short_8: X66P6IRY

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/X66P6IRYK6SG5KVSGTTN33OKOB \
  | 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: bfbcff223857a46eaab234e6ddedca7051d33f5a1715cf58e0b85eec5253ccec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bcf9c75f82b21b9e1698c8d0e2113329a44a15b104f4ee76f3bdf7203d37166",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-01T19:29:38Z",
    "title_canon_sha256": "9513257171bef5efbe3bc10d12b2409350747a77d6bbd2d5c1cc37f268a92440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00532",
    "kind": "arxiv",
    "version": 1
  }
}