Pith Number

pith:U2OCJ4EW

pith:2011:U2OCJ4EWWOWRQOTBV2YFRT3ANR

not attested not anchored not stored refs pending

On Sampling, Anonymization, and Differential Privacy: Or, k-Anonymization Meets Differential Privacy

Dong Su, Ninghui Li, Wahbeh Qardaji

arxiv:1101.2604 v2 · 2011-01-13 · 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{U2OCJ4EWWOWRQOTBV2YFRT3ANR}

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	2026-05-18T02:22:57.848219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69c24f096b3ad183a61aeb058cf606c6cb4d9a0971c4b84a915fae3c5892f5c

Aliases

arxiv: 1101.2604 · arxiv_version: 1101.2604v2 · doi: 10.48550/arxiv.1101.2604 · pith_short_12: U2OCJ4EWWOWR · pith_short_16: U2OCJ4EWWOWRQOTB · pith_short_8: U2OCJ4EW

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/U2OCJ4EWWOWRQOTBV2YFRT3ANR \
  | 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: a69c24f096b3ad183a61aeb058cf606c6cb4d9a0971c4b84a915fae3c5892f5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa7c1b72e7d72f2c8a29b841c195d242be04601080e73866f82dad8f133b5efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-01-13T16:18:23Z",
    "title_canon_sha256": "5391a22bdabace77faa501a0326b23d552535a1f8e8760c6992f0cc7c0c7fe83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2604",
    "kind": "arxiv",
    "version": 2
  }
}