Pith Number

pith:VCVEC7BC

pith:2026:VCVEC7BCHOEZ5TRL4X4EOCYF35

not attested not anchored not stored refs pending

$\alpha$-PFN: Fast Entropy Search via In-Context Learning

Carl Hvarfner, Eytan Bakshy, Frank Hutter, Herilalaina Rakotoarison, Samuel M\"uller, Steven Adriaensen, Tom Viering

arxiv:2606.07134 v1 · 2026-06-05 · 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{VCVEC7BCHOEZ5TRL4X4EOCYF35}

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	2026-06-08T01:04:48.486043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8aa417c223b899ece2be5f8470b05df483720984311e5ba3cb5c61fc588b1ef

Aliases

arxiv: 2606.07134 · arxiv_version: 2606.07134v1 · doi: 10.48550/arxiv.2606.07134 · pith_short_12: VCVEC7BCHOEZ · pith_short_16: VCVEC7BCHOEZ5TRL · pith_short_8: VCVEC7BC

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/VCVEC7BCHOEZ5TRL4X4EOCYF35 \
  | 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: a8aa417c223b899ece2be5f8470b05df483720984311e5ba3cb5c61fc588b1ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23de5656be5a2221c738808a43340a3f368d2c9b94e9fc4e306c13fc6b615af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T10:45:49Z",
    "title_canon_sha256": "9b69d6fcee01e15439674ed4c8d4932a5237c3a619288fe084ef29a63f4ef04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07134",
    "kind": "arxiv",
    "version": 1
  }
}