Pith Number

pith:7PS6FHPM

pith:2022:7PS6FHPMOOQSCTGSDS62F2QDHB

not attested not anchored not stored refs pending

Fourier Representations for Black-Box Optimization over Categorical Variables

Hamid Dadkhahi, Jesus Rios, Karthikeyan Shanmugam, Payel Das

arxiv:2202.03712 v2 · 2022-02-08 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PS6FHPMOOQSCTGSDS62F2QDHB}

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	2026-07-05T03:59:44.147352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbe5e29dec73a1214cd21cbda2ea033852af1c4d6243fc70a17459e27e0ef6f2

Aliases

arxiv: 2202.03712 · arxiv_version: 2202.03712v2 · doi: 10.48550/arxiv.2202.03712 · pith_short_12: 7PS6FHPMOOQS · pith_short_16: 7PS6FHPMOOQSCTGS · pith_short_8: 7PS6FHPM

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/7PS6FHPMOOQSCTGSDS62F2QDHB \
  | 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: fbe5e29dec73a1214cd21cbda2ea033852af1c4d6243fc70a17459e27e0ef6f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9eeedf07fcb0148b4c0b4a2cde5ba1ca8ac3bb6ac843cbb6e8f3e256337d60b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-08T08:14:58Z",
    "title_canon_sha256": "d3887c0be904f1e5ac9e009b363febc2ebec3f1a70dd6be02eec63dad8a5a702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.03712",
    "kind": "arxiv",
    "version": 2
  }
}