Pith Number

pith:IZ7OXM3U

pith:2025:IZ7OXM3UBZD4QBSMEXTDMVOCMG

not attested not anchored not stored refs pending

Kernel Learning for Sample Constrained Black-Box Optimization

Rajalaxmi Rajagopalan, Romit Roy Choudhury, Yu-Lin Wei

arxiv:2507.20533 v1 · 2025-07-28 · 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{IZ7OXM3UBZD4QBSMEXTDMVOCMG}

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	2026-07-05T11:44:21.225201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467eebb3740e47c8064c25e63655c26185408423171b937e198424fe8cc922e3

Aliases

arxiv: 2507.20533 · arxiv_version: 2507.20533v1 · doi: 10.48550/arxiv.2507.20533 · pith_short_12: IZ7OXM3UBZD4 · pith_short_16: IZ7OXM3UBZD4QBSM · pith_short_8: IZ7OXM3U

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/IZ7OXM3UBZD4QBSMEXTDMVOCMG \
  | 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: 467eebb3740e47c8064c25e63655c26185408423171b937e198424fe8cc922e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843b49ea9c928f3ac6987c97264dbc1e2647f78f4d534372578c52a9d5804d3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-28T05:32:11Z",
    "title_canon_sha256": "448b9863cc1d0ddc39f707b1d0a570052456ec9b5ec7bf38acc0f0be0140f20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20533",
    "kind": "arxiv",
    "version": 1
  }
}