Pith Number

pith:DDU5VJXU

pith:2014:DDU5VJXUUSODSOOJYCBNTAVRUM

not attested not anchored not stored refs pending

A modified ziggurat algorithm for generating exponentially- and normally-distributed pseudorandom numbers

Christopher D McFarland

arxiv:1403.6870 v2 · 2014-03-26 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDU5VJXUUSODSOOJYCBNTAVRUM}

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	2026-05-18T02:53:53.019446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e9daa6f4a49c3939c9c082d982b1a32239cf0949fd6f5bd5d854405b74b043

Aliases

arxiv: 1403.6870 · arxiv_version: 1403.6870v2 · doi: 10.48550/arxiv.1403.6870 · pith_short_12: DDU5VJXUUSOD · pith_short_16: DDU5VJXUUSODSOOJ · pith_short_8: DDU5VJXU

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/DDU5VJXUUSODSOOJYCBNTAVRUM \
  | 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: 18e9daa6f4a49c3939c9c082d982b1a32239cf0949fd6f5bd5d854405b74b043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db45f7400f41613e93f8dc0a4874e09417cd868ad68a708278239a3c29e0ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2014-03-26T21:51:41Z",
    "title_canon_sha256": "24b26e5c32d34f16ac283f767ef34c0ad6ab9cac4488179af49e6b57dc654b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6870",
    "kind": "arxiv",
    "version": 2
  }
}