Pith Number

pith:QI2PD4CZ

pith:2022:QI2PD4CZTIN4FQV52MWTKJNV7Y

not attested not anchored not stored refs pending

A Metaheuristic Algorithm for Large Maximum Weight Independent Set Problems

Alexander Noe, Andrew V. Goldberg, Mauricio G.C. Resende, Nikos Parotsidis, Quico Spaen, Yuanyuan Dong

arxiv:2203.15805 v1 · 2022-03-28 · cs.AI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QI2PD4CZTIN4FQV52MWTKJNV7Y}

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-Informed Portfolio Selection: An End-to-End Pipeline Validated on Trapped-Ion Hardware with Real Market Data

Receipt and verification

First computed	2026-07-05T09:23:41.968823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8234f1f0599a1bc2c2bdd32d3525b5fe1b66f1d43b56e75942d1d9d5d013fa99

Aliases

arxiv: 2203.15805 · arxiv_version: 2203.15805v1 · doi: 10.48550/arxiv.2203.15805 · pith_short_12: QI2PD4CZTIN4 · pith_short_16: QI2PD4CZTIN4FQV5 · pith_short_8: QI2PD4CZ

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/QI2PD4CZTIN4FQV52MWTKJNV7Y \
  | 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: 8234f1f0599a1bc2c2bdd32d3525b5fe1b66f1d43b56e75942d1d9d5d013fa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ba21b48c7ef445f3fe7727aa1236ba3ba475b2767d223c94448050faed1e0a5",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-03-28T21:34:16Z",
    "title_canon_sha256": "4ebfb8b0bf9c628d9e91026e83bcbc69f5ef7181ff3c63204c603ccf5515535f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15805",
    "kind": "arxiv",
    "version": 1
  }
}