Pith Number

pith:WIFTDBD4

pith:2024:WIFTDBD4ARZWQMRVC3BO4D2V4Q

not attested not anchored not stored refs pending

QOPTLib: a Quantum Computing Oriented Benchmark for Combinatorial Optimization Problems

Eneko Osaba, Esther Villar-Rodriguez

arxiv:2404.15852 v1 · 2024-04-24 · quant-ph · cs.AI · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIFTDBD4ARZWQMRVC3BO4D2V4Q}

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	2026-07-05T08:11:46.474622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b20b31847c047368323516c2ee0f55e438930477e1c92e8709a78ef7c82aff34

Aliases

arxiv: 2404.15852 · arxiv_version: 2404.15852v1 · doi: 10.48550/arxiv.2404.15852 · pith_short_12: WIFTDBD4ARZW · pith_short_16: WIFTDBD4ARZWQMRV · pith_short_8: WIFTDBD4

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/WIFTDBD4ARZWQMRVC3BO4D2V4Q \
  | 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: b20b31847c047368323516c2ee0f55e438930477e1c92e8709a78ef7c82aff34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "062ef4ac8c88f1adeb80e7a0d553b84b61b5261b7061b97057018c90ba0a3bfd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-04-24T13:02:33Z",
    "title_canon_sha256": "278d95b9196da93edec15f02d345bdbf6d55f463db1d66b95e1a9071c73c9b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.15852",
    "kind": "arxiv",
    "version": 1
  }
}