Pith Number

pith:QQYANALD

pith:2018:QQYANALDVUTZLSKCPKPQ4VKAXG

not attested not anchored not stored refs pending

Optimization, fast and slow: optimally switching between local and Bayesian optimization

Mark McLeod, Michael A. Osborne, Stephen J. Roberts

arxiv:1805.08610 v1 · 2018-05-22 · stat.ML · 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{QQYANALDVUTZLSKCPKPQ4VKAXG}

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	2026-05-18T00:15:25.766537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8430068163ad2795c9427a9f0e5540b9ad2cedb0ad6db29b7eac845a16908c62

Aliases

arxiv: 1805.08610 · arxiv_version: 1805.08610v1 · doi: 10.48550/arxiv.1805.08610 · pith_short_12: QQYANALDVUTZ · pith_short_16: QQYANALDVUTZLSKC · pith_short_8: QQYANALD

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/QQYANALDVUTZLSKCPKPQ4VKAXG \
  | 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: 8430068163ad2795c9427a9f0e5540b9ad2cedb0ad6db29b7eac845a16908c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5fdc09b6ee471cbc8cdd3c032b9043fee47fdc6f1a3d69d46f032a341a3369a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-05-22T14:27:17Z",
    "title_canon_sha256": "16d27959d0108e824275f4bc139af7b247b5f0e167fb24458885ecebfcaee0db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08610",
    "kind": "arxiv",
    "version": 1
  }
}