Pith Number

pith:RIZZO4PD

pith:2018:RIZZO4PDZ4B3PPTQXW3ROONATO

not attested not anchored not stored refs pending

Digital Cardan Grille: A Modern Approach for Information Hiding

Jia Liu, Minqing Zhang, Tanping Zhou, Xiaoyuan Yang, Yan Ke, Yu Lei, Zhuo Zhang

arxiv:1803.09219 v2 · 2018-03-25 · cs.MM · 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{RIZZO4PDZ4B3PPTQXW3ROONATO}

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	2026-05-18T00:16:13.863055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a339771e3cf03b7be70bdb71739a09bab94e8fa32ff533db334d7a81eb94cdf

Aliases

arxiv: 1803.09219 · arxiv_version: 1803.09219v2 · doi: 10.48550/arxiv.1803.09219 · pith_short_12: RIZZO4PDZ4B3 · pith_short_16: RIZZO4PDZ4B3PPTQ · pith_short_8: RIZZO4PD

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/RIZZO4PDZ4B3PPTQXW3ROONATO \
  | 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: 8a339771e3cf03b7be70bdb71739a09bab94e8fa32ff533db334d7a81eb94cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00071c3966c972cfb3f30e5c012a8331b278ad3247acbe3049e00b81e30e15f8",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-03-25T09:22:03Z",
    "title_canon_sha256": "bcc71efc59b64ceb58fa4d8e20c07785145cf1fcea84707b80cc1c20c4a94416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09219",
    "kind": "arxiv",
    "version": 2
  }
}