Pith Number

pith:JNB5EWU5

pith:2009:JNB5EWU5CA5MLAXV23WSKCQY47

not attested not anchored not stored refs pending

Harvesting SSL Certificate Data to Identify Web-Fraud

Emiliano De Cristofaro, Gene Tsudik, Karim El Defrawy, Mishari Al Mishari

arxiv:0909.3688 v4 · 2009-09-21 · cs.CR · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNB5EWU5CA5MLAXV23WSKCQY47}

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	2026-05-18T02:24:47.132905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b43d25a9d103ac582f5d6ed250a18e7fbe54306e7f1b252f177006489e19dde

Aliases

arxiv: 0909.3688 · arxiv_version: 0909.3688v4 · doi: 10.48550/arxiv.0909.3688 · pith_short_12: JNB5EWU5CA5M · pith_short_16: JNB5EWU5CA5MLAXV · pith_short_8: JNB5EWU5

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/JNB5EWU5CA5MLAXV23WSKCQY47 \
  | 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: 4b43d25a9d103ac582f5d6ed250a18e7fbe54306e7f1b252f177006489e19dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fc143c55cfebf85d46be8a449780cef8bec4ccdb8b8a59d70a697695e5c78f9",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-09-21T05:39:17Z",
    "title_canon_sha256": "bc866e1494d76a8f531bea3e8c8f1e4e52d3cb28d08c101991748830b4ad7d78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3688",
    "kind": "arxiv",
    "version": 4
  }
}