Pith Number

pith:SWWLIWZL

pith:2012:SWWLIWZLRESXIEBVXFJIPSP3F5

not attested not anchored not stored refs pending

A New Guess-and-Determine Attack on the A5/1 Stream Cipher

Ayan Mahalanobis, Jay Shah

arxiv:1204.4535 v2 · 2012-04-20 · 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{SWWLIWZLRESXIEBVXFJIPSP3F5}

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	2026-05-18T03:56:33.707730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95acb45b2b8925741035b95287c9fb2f5902f97d5ad7fe905c584f41f1791706

Aliases

arxiv: 1204.4535 · arxiv_version: 1204.4535v2 · doi: 10.48550/arxiv.1204.4535 · pith_short_12: SWWLIWZLRESX · pith_short_16: SWWLIWZLRESXIEBV · pith_short_8: SWWLIWZL

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/SWWLIWZLRESXIEBVXFJIPSP3F5 \
  | 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: 95acb45b2b8925741035b95287c9fb2f5902f97d5ad7fe905c584f41f1791706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "889cec92795373ff8066733a3b75edd75a1e34653ad66dc59582120561bfc4d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-04-20T05:53:40Z",
    "title_canon_sha256": "945aec243f3f76f83879a31dbf70be2ac038c175713c8bcad796b66e508a4075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4535",
    "kind": "arxiv",
    "version": 2
  }
}