Pith Number

pith:3QLFOKLK

pith:2020:3QLFOKLKTW3JJ77DXELFI4FNIT

not attested not anchored not stored refs pending

Towards Realistic Optimization Benchmarks: A Questionnaire on the Properties of Real-World Problems

Akira Oyama, Boris Naujoks, Koen van der Blom, Mariapia Marchi, Tea Tu\v{s}ar, Timo M. Deist, Vanessa Volz, Yusuke Nojima

arxiv:2004.06395 v1 · 2020-04-14 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QLFOKLKTW3JJ77DXELFI4FNIT}

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	2026-07-05T00:54:51.811848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1657296a9db694ffe3b9165470ad44d2ca4f8b0c5e24c1f2bb009606fc796e

Aliases

arxiv: 2004.06395 · arxiv_version: 2004.06395v1 · doi: 10.48550/arxiv.2004.06395 · pith_short_12: 3QLFOKLKTW3J · pith_short_16: 3QLFOKLKTW3JJ77D · pith_short_8: 3QLFOKLK

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/3QLFOKLKTW3JJ77DXELFI4FNIT \
  | 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: dc1657296a9db694ffe3b9165470ad44d2ca4f8b0c5e24c1f2bb009606fc796e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d897ef650d8cecc13e51e610d54d0ce6e199af45c347b58b978527a350e71df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-04-14T10:04:38Z",
    "title_canon_sha256": "db12e652e5fbd682f3a220227a898a9964a78193213fc5e180459464cff0c715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06395",
    "kind": "arxiv",
    "version": 1
  }
}