Pith Number

pith:KRYDYDAX

pith:2009:KRYDYDAXNH3JW45NU7QJWZWVYD

not attested not anchored not stored refs pending

Statistics of Random Permutations and the Cryptanalysis Of Periodic Block Ciphers

Gregory V. Bard, Nicolas T. Courtois, Shaun V. Ault

arxiv:0905.3682 v1 · 2009-05-22 · math.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{KRYDYDAXNH3JW45NU7QJWZWVYD}

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	2026-05-18T02:48:10.281174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54703c0c1769f69b73ada7e09b66d5c0cddf27b9952f529a43b4f6512dd1734f

Aliases

arxiv: 0905.3682 · arxiv_version: 0905.3682v1 · doi: 10.48550/arxiv.0905.3682 · pith_short_12: KRYDYDAXNH3J · pith_short_16: KRYDYDAXNH3JW45N · pith_short_8: KRYDYDAX

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/KRYDYDAXNH3JW45NU7QJWZWVYD \
  | 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: 54703c0c1769f69b73ada7e09b66d5c0cddf27b9952f529a43b4f6512dd1734f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b97de058af1a9e482e8593dca4a8753beed7f4ec96c4f09f1cdc9a23036eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-05-22T13:46:39Z",
    "title_canon_sha256": "d3d3cd7b2c8b968f95aad140d0b8c4b6edcd9926ab6de152db77b9a2abb6fdf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3682",
    "kind": "arxiv",
    "version": 1
  }
}