Pith Number

pith:UIG5EH33

pith:2016:UIG5EH33XHJLKTZLOFIEZDHSKU

not attested not anchored not stored refs pending

Exploiting variable associations to configure efficient local search algorithms in large-scale binary integer programs

Shunji Umetani

arxiv:1604.08448 v2 · 2016-04-28 · cs.DS · 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{UIG5EH33XHJLKTZLOFIEZDHSKU}

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	2026-05-18T00:44:38.955529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a20dd21f7bb9d2b54f2b71504c8cf25508166c6b4bc88263dff4c289c2bf8a3a

Aliases

arxiv: 1604.08448 · arxiv_version: 1604.08448v2 · doi: 10.48550/arxiv.1604.08448 · pith_short_12: UIG5EH33XHJL · pith_short_16: UIG5EH33XHJLKTZL · pith_short_8: UIG5EH33

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/UIG5EH33XHJLKTZLOFIEZDHSKU \
  | 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: a20dd21f7bb9d2b54f2b71504c8cf25508166c6b4bc88263dff4c289c2bf8a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e177c84799ca291ed0f640ec6131bab5c0381a8e315ace0d1500e9e8ce95017",
    "cross_cats_sorted": [
      "cs.AI",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-04-28T15:04:08Z",
    "title_canon_sha256": "2c3978a3943ba31ae978eab3ecec828bef2783f2ca166e34e32357ab6aed7128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08448",
    "kind": "arxiv",
    "version": 2
  }
}