Pith Number

pith:D2O3MQ3V

pith:2021:D2O3MQ3VPBHFVOE55JKCATAGVS

not attested not anchored not stored refs pending

Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT

Ahmed Al-Dubai, Nilupulee A. Gunathilake, Owen Lo, William J. Buchanan

arxiv:2106.15225 v1 · 2021-06-29 · 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{D2O3MQ3VPBHFVOE55JKCATAGVS}

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	2026-07-05T02:53:14.906110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9db64375784e5ab89dea54204c06ac950631ad41cc97d874d390712f69c2de

Aliases

arxiv: 2106.15225 · arxiv_version: 2106.15225v1 · doi: 10.48550/arxiv.2106.15225 · pith_short_12: D2O3MQ3VPBHF · pith_short_16: D2O3MQ3VPBHFVOE5 · pith_short_8: D2O3MQ3V

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/D2O3MQ3VPBHFVOE55JKCATAGVS \
  | 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: 1e9db64375784e5ab89dea54204c06ac950631ad41cc97d874d390712f69c2de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19801717f3ad36fb255c8381d3f3725f0e67e7509f9a80a5c30aeb478bff68b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-06-29T10:20:20Z",
    "title_canon_sha256": "9ada83bd5c67744db86b4b4d7ab3f685c0c494a1b0e74ab64258303987f5273b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15225",
    "kind": "arxiv",
    "version": 1
  }
}