Pith Number

pith:7UFOYS3G

pith:2013:7UFOYS3GQQSE6G54ETLT5AHZBR

not attested not anchored not stored refs pending

The solution to the challenge in "Time-Reversible Random Number Generators" by Wm. G. Hoover and Carol G. Hoover

Federico Ricci-Tersenghi

arxiv:1305.1805 v3 · 2013-05-08 · cs.DM · cond-mat.stat-mech · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UFOYS3GQQSE6G54ETLT5AHZBR}

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	2026-05-18T03:25:24.670516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0aec4b6684244f1bbc24d73e80f90c563a1bc1347c770a1da4ad198e0a6e4e

Aliases

arxiv: 1305.1805 · arxiv_version: 1305.1805v3 · doi: 10.48550/arxiv.1305.1805 · pith_short_12: 7UFOYS3GQQSE · pith_short_16: 7UFOYS3GQQSE6G54 · pith_short_8: 7UFOYS3G

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/7UFOYS3GQQSE6G54ETLT5AHZBR \
  | 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: fd0aec4b6684244f1bbc24d73e80f90c563a1bc1347c770a1da4ad198e0a6e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf4acc78780fe2a6d194a8bc32384e2588152227b149f5adccc327728d0feac",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-05-08T12:57:07Z",
    "title_canon_sha256": "f0cda9052f367dea63ee0929139d444a1b151ec283505798f6c8eec0ea734d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1805",
    "kind": "arxiv",
    "version": 3
  }
}