Pith Number

pith:CKCTWEK2

pith:2014:CKCTWEK2HH4HV4CKXEIRUM2BAV

not attested not anchored not stored refs pending

A comparison of three heuristics to choose the variable ordering for CAD

David Wilson, James H. Davenport, Lawrence C. Paulson, Matthew England, Zongyan Huang

arxiv:1405.6082 v1 · 2014-05-23 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKCTWEK2HH4HV4CKXEIRUM2BAV}

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	2026-05-18T02:27:29.280434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12853b115a39f87af04ab9111a3341056ffa9c9d5146a641b50f262e27708ed8

Aliases

arxiv: 1405.6082 · arxiv_version: 1405.6082v1 · doi: 10.48550/arxiv.1405.6082 · pith_short_12: CKCTWEK2HH4H · pith_short_16: CKCTWEK2HH4HV4CK · pith_short_8: CKCTWEK2

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/CKCTWEK2HH4HV4CKXEIRUM2BAV \
  | 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: 12853b115a39f87af04ab9111a3341056ffa9c9d5146a641b50f262e27708ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f57a95b560472b94b22963a856c1a96bdae81b0eda8ee143c74ec04ed7243d9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2014-05-23T14:50:14Z",
    "title_canon_sha256": "b1377a69a665f40e25c3ce0e81b99bdc30135b14eee0344309e9381911f1fb9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6082",
    "kind": "arxiv",
    "version": 1
  }
}