Pith Number

pith:B6KSUK2D

pith:2010:B6KSUK2DAQWTX3WDXOEM2MAW5I

not attested not anchored not stored refs pending

An Efficient Implementation of the Robust Tabu Search Heuristic for Sparse Quadratic Assignment Problems

Gerald Paul

arxiv:1009.4880 v1 · 2010-09-24 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6KSUK2DAQWTX3WDXOEM2MAW5I}

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	2026-05-18T04:40:21.019366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f952a2b43042d3beec3bb88cd3016ea32ffac6a64f1cc0701109e556460654f

Aliases

arxiv: 1009.4880 · arxiv_version: 1009.4880v1 · doi: 10.48550/arxiv.1009.4880 · pith_short_12: B6KSUK2DAQWT · pith_short_16: B6KSUK2DAQWTX3WD · pith_short_8: B6KSUK2D

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/B6KSUK2DAQWTX3WDXOEM2MAW5I \
  | 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: 0f952a2b43042d3beec3bb88cd3016ea32ffac6a64f1cc0701109e556460654f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "143af150bc7e6ed15d438a554b79a1023a77449207727fcf63aa2f9f883e17d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-09-24T16:05:29Z",
    "title_canon_sha256": "3d24187caf0ef08326dada31d163eed828ecde13120895db393ee98708a9ebe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4880",
    "kind": "arxiv",
    "version": 1
  }
}