Pith Number

pith:SCZLK3SW

pith:2021:SCZLK3SWAPIW5UCPSVL4QI6GVT

not attested not anchored not stored refs pending

QPack: Quantum Approximate Optimization Algorithms as universal benchmark for quantum computers

Koen Mesman, Matthias M\"oller, Zaid Al-Ars

arxiv:2103.17193 v3 · 2021-03-31 · cs.ET · 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{SCZLK3SWAPIW5UCPSVL4QI6GVT}

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

Quantum Computer Benchmarking: An Explorative Systematic Literature Review

Receipt and verification

First computed	2026-07-05T04:15:41.596419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b2b56e5603d16ed04f9557c823c6acda1f7784999dfed13f2d5f219036f743

Aliases

arxiv: 2103.17193 · arxiv_version: 2103.17193v3 · doi: 10.48550/arxiv.2103.17193 · pith_short_12: SCZLK3SWAPIW · pith_short_16: SCZLK3SWAPIW5UCP · pith_short_8: SCZLK3SW

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/SCZLK3SWAPIW5UCPSVL4QI6GVT \
  | 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: 90b2b56e5603d16ed04f9557c823c6acda1f7784999dfed13f2d5f219036f743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d527a5428d4d691c1c999758fa1dfe4b83951398d6a9c2d5384cc59325db9147",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2021-03-31T16:20:51Z",
    "title_canon_sha256": "6f210b27cc9bca1e5a4d04f039f50e0b947fc8aef967f0985119d0ad582b6da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.17193",
    "kind": "arxiv",
    "version": 3
  }
}