Pith Number

pith:UKZD5XLF

pith:2012:UKZD5XLFYSZXUU4EGZCWDXFBQZ

not attested not anchored not stored refs pending

Sudoku Associated Two Dimensional Bijections for Image Scrambling

Joseph P. Noonan, Sos S. Agaian, Yue Wu

arxiv:1207.5856 v1 · 2012-07-25 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKZD5XLFYSZXUU4EGZCWDXFBQZ}

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	2026-05-18T03:50:10.130893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b23edd65c4b37a5384364561dca1864ab96fde4962c338bb0cef0e838a79be

Aliases

arxiv: 1207.5856 · arxiv_version: 1207.5856v1 · doi: 10.48550/arxiv.1207.5856 · pith_short_12: UKZD5XLFYSZX · pith_short_16: UKZD5XLFYSZXUU4E · pith_short_8: UKZD5XLF

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/UKZD5XLFYSZXUU4EGZCWDXFBQZ \
  | 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: a2b23edd65c4b37a5384364561dca1864ab96fde4962c338bb0cef0e838a79be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a93754ad3cb74b0cd5f365af522e3610c95543b10c4d1b94d0886b084df68845",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-07-25T00:14:50Z",
    "title_canon_sha256": "08bf11c6ee59c19ab6a4bc4c9c13e6a7902880a00cdb846df968a22149726ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5856",
    "kind": "arxiv",
    "version": 1
  }
}