Pith Number

pith:4CKZ2ZRS

pith:2010:4CKZ2ZRSAXNHQOAILMNK6OJHGM

not attested not anchored not stored refs pending

Private Information Disclosure from Web Searches. (The case of Google Web History)

Claude Castelluccia, Daniele Perito, Emiliano De Cristofaro

arxiv:1003.3242 v3 · 2010-03-16 · 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{4CKZ2ZRSAXNHQOAILMNK6OJHGM}

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	2026-05-18T02:24:36.892085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0959d663205da7838085b1aaf3927331371999b9dc3f3e07db4e886b0ab1c0d

Aliases

arxiv: 1003.3242 · arxiv_version: 1003.3242v3 · doi: 10.48550/arxiv.1003.3242 · pith_short_12: 4CKZ2ZRSAXNH · pith_short_16: 4CKZ2ZRSAXNHQOAI · pith_short_8: 4CKZ2ZRS

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/4CKZ2ZRSAXNHQOAILMNK6OJHGM \
  | 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: e0959d663205da7838085b1aaf3927331371999b9dc3f3e07db4e886b0ab1c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c06d9e449889e092995c22a3154c0c6937ef481ef1131aa197e54d49476be40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-03-16T20:23:59Z",
    "title_canon_sha256": "a5bc912bbbb8e0c5820ede338f42164e6c3677cd3f097abbdae0e1dcb15da1b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3242",
    "kind": "arxiv",
    "version": 3
  }
}