Pith Number

pith:KOQ2U3VO

pith:2015:KOQ2U3VOKKRYN3OPR74MAOMT55

not attested not anchored not stored refs pending

CEoptim: Cross-Entropy R Package for Optimization

Benoit Liquet, Dirk P. Kroese, Qibin Duan, Tim Benham

arxiv:1503.01842 v1 · 2015-03-06 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOQ2U3VOKKRYN3OPR74MAOMT55}

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	2026-05-18T02:25:27.436396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a1aa6eae52a386edcf8ff8c03993ef548fa3c111e5844e1587ef699b65a58c

Aliases

arxiv: 1503.01842 · arxiv_version: 1503.01842v1 · doi: 10.48550/arxiv.1503.01842 · pith_short_12: KOQ2U3VOKKRY · pith_short_16: KOQ2U3VOKKRYN3OP · pith_short_8: KOQ2U3VO

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/KOQ2U3VOKKRYN3OPR74MAOMT55 \
  | 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: 53a1aa6eae52a386edcf8ff8c03993ef548fa3c111e5844e1587ef699b65a58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06267d9a7ea9f0d40514825d3ba61cd72e4f8b91a5870aa2101b24ecd1378777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-03-06T03:43:34Z",
    "title_canon_sha256": "dad9583043307ff8561e37f03553ac019c6c06881b09e347feedf443381b585a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01842",
    "kind": "arxiv",
    "version": 1
  }
}