Pith Number

pith:7JWGJDME

pith:2012:7JWGJDMEBCRHIIC72LZ2TZXKVB

not attested not anchored not stored refs pending

A Realizable Modified Tent Map for True Random Number Generation

Ahmad Beirami, Hamid Nejati, Yehia Massoud

arxiv:1205.4229 v2 · 2012-05-18 · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JWGJDMEBCRHIIC72LZ2TZXKVB}

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	2026-05-18T03:55:02.407225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6c648d8408a274205fd2f3a9e6eaa8509170d22a79bdf92001815e320eae92

Aliases

arxiv: 1205.4229 · arxiv_version: 1205.4229v2 · doi: 10.48550/arxiv.1205.4229 · pith_short_12: 7JWGJDMEBCRH · pith_short_16: 7JWGJDMEBCRHIIC7 · pith_short_8: 7JWGJDME

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/7JWGJDMEBCRHIIC72LZ2TZXKVB \
  | 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: fa6c648d8408a274205fd2f3a9e6eaa8509170d22a79bdf92001815e320eae92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "226f353b2518b33ef5d5bb36733f589ce511bc0bd502317210610610105c039e",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-05-18T19:54:18Z",
    "title_canon_sha256": "c12fac23e146ad844597683da4371a01115022f83aebebeed239c83b815994a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4229",
    "kind": "arxiv",
    "version": 2
  }
}