Pith Number

pith:QINHYWGE

pith:2022:QINHYWGEUIG2F7QJLWCYT7QG6H

not attested not anchored not stored refs pending

Black Box Optimization Using QUBO and the Cross Entropy Method

Christoph Roch, Claudia Linnhoff-Popien, Jonas N\"u{\ss}lein, Jonas Stein, Sebastian Feld, Thomas Gabor

arxiv:2206.12510 v3 · 2022-06-24 · 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{QINHYWGEUIG2F7QJLWCYT7QG6H}

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	2026-07-05T05:40:07.169462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821a7c58c4a20da2fe095d8589fe06f1e69e245513c4ae8bf227d4edc372c26c

Aliases

arxiv: 2206.12510 · arxiv_version: 2206.12510v3 · doi: 10.48550/arxiv.2206.12510 · pith_short_12: QINHYWGEUIG2 · pith_short_16: QINHYWGEUIG2F7QJ · pith_short_8: QINHYWGE

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/QINHYWGEUIG2F7QJLWCYT7QG6H \
  | 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: 821a7c58c4a20da2fe095d8589fe06f1e69e245513c4ae8bf227d4edc372c26c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342949b0998517619c3ff1b919f8ee9c21ae59dd574508694150b1d77509a338",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-06-24T22:57:24Z",
    "title_canon_sha256": "81369ee54aa0245764c6692be4ad4faeb681cf40cfea1c9f07e8812421133797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.12510",
    "kind": "arxiv",
    "version": 3
  }
}