Pith Number

pith:23D4U35B

pith:2021:23D4U35BP5KKPNMSQ2KXMGQFSO

not attested not anchored not stored refs pending

A Benchmarking Study of Quantum Algorithms for Combinatorial Optimization

Artur Scherer, Edwin Ng, Krishanu Sankar, Navid Ghadermarzy, Pooya Ronagh, Sam Reifenstein, Satoshi Kako, Tatsuhiro Onodera, Willem B. Krayenhoff, Yoshihisa Yamamoto, Yoshitaka Inui

arxiv:2105.03528 v2 · 2021-05-07 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23D4U35BP5KKPNMSQ2KXMGQFSO}

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.

Cited by

1 paper in Pith

Coherent Ising Machines: The Good, The Bad, The Ugly

Receipt and verification

First computed	2026-07-05T10:01:58.697975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6c7ca6fa17f54a7b5928695761a059380e052f0d303e430455d86a11a12d5ac

Aliases

arxiv: 2105.03528 · arxiv_version: 2105.03528v2 · doi: 10.48550/arxiv.2105.03528 · pith_short_12: 23D4U35BP5KK · pith_short_16: 23D4U35BP5KKPNMS · pith_short_8: 23D4U35B

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/23D4U35BP5KKPNMSQ2KXMGQFSO \
  | 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: d6c7ca6fa17f54a7b5928695761a059380e052f0d303e430455d86a11a12d5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d7b588ebb0a4914b8903aba3390b60859197156a1104cf3a3784e1f68bbe6ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-07T22:35:02Z",
    "title_canon_sha256": "27e1e5daeda3c07e8d878e10e6e5f2037c12620fdf225ea72e86d75d4a983c8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03528",
    "kind": "arxiv",
    "version": 2
  }
}