Pith Number

pith:PI4CFXJU

pith:2018:PI4CFXJUZNVI2ZIDZ5XDTAZFEC

not attested not anchored not stored refs pending

Differentially Private k-Means with Constant Multiplicative Error

Haim Kaplan, Uri Stemmer

arxiv:1804.08001 v2 · 2018-04-21 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PI4CFXJUZNVI2ZIDZ5XDTAZFEC}

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	2026-05-18T00:10:44.628820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3822dd34cb6a8d6503cf6e3983252080a1c031dc7c0627c0035baf23e1270d

Aliases

arxiv: 1804.08001 · arxiv_version: 1804.08001v2 · doi: 10.48550/arxiv.1804.08001 · pith_short_12: PI4CFXJUZNVI · pith_short_16: PI4CFXJUZNVI2ZID · pith_short_8: PI4CFXJU

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/PI4CFXJUZNVI2ZIDZ5XDTAZFEC \
  | 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: 7a3822dd34cb6a8d6503cf6e3983252080a1c031dc7c0627c0035baf23e1270d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3989912af9998a70b4ab2925d16303ee9083078b9846ccef54bb4e0f073165e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-21T17:41:04Z",
    "title_canon_sha256": "bddb7ccb03dd7b47423196361241b0f18e5d027bcfbdec0e9efde28ec829a4e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08001",
    "kind": "arxiv",
    "version": 2
  }
}