Pith Number

pith:P3Z6ZZHJ

pith:2011:P3Z6ZZHJL22ODDKD3EEAY3GJCV

not attested not anchored not stored refs pending

Cryptanalysis of Song's advanced smart card based password authentication protocol

John A. Clark, Juan E. Tapiador, Julio C. Hernandez-Castro, P. Peris-Lopez

arxiv:1111.2744 v1 · 2011-11-11 · 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{P3Z6ZZHJL22ODDKD3EEAY3GJCV}

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	2026-05-18T04:08:25.179388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ef3ece4e95eb4e18d43d9080c6cc91545f6896a6dd6568be90b1899a7d90ddc

Aliases

arxiv: 1111.2744 · arxiv_version: 1111.2744v1 · doi: 10.48550/arxiv.1111.2744 · pith_short_12: P3Z6ZZHJL22O · pith_short_16: P3Z6ZZHJL22ODDKD · pith_short_8: P3Z6ZZHJ

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/P3Z6ZZHJL22ODDKD3EEAY3GJCV \
  | 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: 7ef3ece4e95eb4e18d43d9080c6cc91545f6896a6dd6568be90b1899a7d90ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a9c00ab262c1ac235be5a75c47801c9cc72f159a0cd340a66eade75244234f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-11-11T14:00:36Z",
    "title_canon_sha256": "858239d82fc9c7be34c9c7e4e946f387b1e34e8d9f694448741df6ce1a9df5b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2744",
    "kind": "arxiv",
    "version": 1
  }
}