Pith Number

pith:2ISQVKAR

pith:2009:2ISQVKAR5J423WOP2J7QRW5LPE

not attested not anchored not stored refs pending

An Evolutionary Squeaky Wheel Optimisation Approach to Personnel Scheduling

Edmund Burke, Jingpeng Li, Uwe Aickelin

arxiv:0910.3068 v1 · 2009-10-16 · cs.AI · cs.CE · 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{2ISQVKAR5J423WOP2J7QRW5LPE}

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	2026-05-18T00:58:47.914744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2250aa811ea79add9cfd27f08dbab7909282789a466b7a17209ddd962c08da3

Aliases

arxiv: 0910.3068 · arxiv_version: 0910.3068v1 · doi: 10.48550/arxiv.0910.3068 · pith_short_12: 2ISQVKAR5J42 · pith_short_16: 2ISQVKAR5J423WOP · pith_short_8: 2ISQVKAR

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/2ISQVKAR5J423WOP2J7QRW5LPE \
  | 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: d2250aa811ea79add9cfd27f08dbab7909282789a466b7a17209ddd962c08da3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736e283d0f3975b17ed345b3ff9f5856abfb4c8c103064d457a9ea8d12e71871",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2009-10-16T13:36:01Z",
    "title_canon_sha256": "72733e7a9d3e390d0f8b16efd34b1c3b7db8ceb8d202ee2fe3a6fe7355022ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3068",
    "kind": "arxiv",
    "version": 1
  }
}