Pith Number

pith:CUTHBZDK

pith:2012:CUTHBZDKXOMGIMXZMOMWTDYZEH

not attested not anchored not stored refs pending

A Performance Metric for Discrete-Time Chaos-Based Truly Random Number Generators

Ahmad Beirami, Hamid Nejati, Yehia Massoud

arxiv:1201.2201 v1 · 2012-01-10 · cs.IT · math.DS · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUTHBZDKXOMGIMXZMOMWTDYZEH}

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	2026-05-18T02:21:18.581776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152670e46abb986432f96399698f1921f484f74fa3473a994e9ed9142c4393a9

Aliases

arxiv: 1201.2201 · arxiv_version: 1201.2201v1 · doi: 10.48550/arxiv.1201.2201 · pith_short_12: CUTHBZDKXOMG · pith_short_16: CUTHBZDKXOMGIMXZ · pith_short_8: CUTHBZDK

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/CUTHBZDKXOMGIMXZMOMWTDYZEH \
  | 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: 152670e46abb986432f96399698f1921f484f74fa3473a994e9ed9142c4393a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bd6c13d83e521d1d1e571c8e8a86b7d85fb5d0525856c51aad7dc0b315b4d57",
    "cross_cats_sorted": [
      "math.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-10T22:31:51Z",
    "title_canon_sha256": "e57dfeef235f27070f2374813825cc66e3ca5c34995da6aa4131f4dbeff15d16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2201",
    "kind": "arxiv",
    "version": 1
  }
}