Pith Number

pith:CHFUMLJH

pith:2012:CHFUMLJHQHH3PKOE25W5GYRJXG

not attested not anchored not stored refs pending

A Novel Latin Square Image Cipher

C. L. Philip Chen, Joseph P. Noonan, Sos Agaian, Yicong Zhou, Yue Wu

arxiv:1204.2310 v1 · 2012-04-11 · cs.CR · cs.IT · 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{CHFUMLJHQHH3PKOE25W5GYRJXG}

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	2026-05-18T02:17:12.727792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11cb462d2781cfb7a9c4d76dd36229b9831155dcdab28fa97b2c397f95ac5943

Aliases

arxiv: 1204.2310 · arxiv_version: 1204.2310v1 · doi: 10.48550/arxiv.1204.2310 · pith_short_12: CHFUMLJHQHH3 · pith_short_16: CHFUMLJHQHH3PKOE · pith_short_8: CHFUMLJH

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/CHFUMLJHQHH3PKOE25W5GYRJXG \
  | 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: 11cb462d2781cfb7a9c4d76dd36229b9831155dcdab28fa97b2c397f95ac5943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0112ff3b82151487831ace2bfca3811fea8902b7fe6b718600d8b6786b3ce59f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-04-11T00:54:13Z",
    "title_canon_sha256": "cb46391dbd68578d92c319d83307ef5ed9b04904d13c9ddce86c327d993517f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2310",
    "kind": "arxiv",
    "version": 1
  }
}