Pith Number

pith:A4LHCKWW

pith:2018:A4LHCKWWD3FC7QSRXCFPKVZW7U

not attested not anchored not stored refs pending

Privacy preserving clustering with constraints

Clemens R\"osner, Melanie Schmidt

arxiv:1802.02497 v2 · 2018-02-07 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4LHCKWWD3FC7QSRXCFPKVZW7U}

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.

Cited by

1 paper in Pith

Fast and effective algorithms for fair clustering at scale

Receipt and verification

First computed	2026-05-18T00:23:11.402105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0716712ad61eca2fc251b88af55736fd20b0d37653896623fa4a865ce7c4a284

Aliases

arxiv: 1802.02497 · arxiv_version: 1802.02497v2 · doi: 10.48550/arxiv.1802.02497 · pith_short_12: A4LHCKWWD3FC · pith_short_16: A4LHCKWWD3FC7QSR · pith_short_8: A4LHCKWW

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/A4LHCKWWD3FC7QSRXCFPKVZW7U \
  | 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: 0716712ad61eca2fc251b88af55736fd20b0d37653896623fa4a865ce7c4a284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ae9ebc5926a62433043ae7ab0fe34f0c78cec377bc1ca12ff8721991c0ab47",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-02-07T15:57:43Z",
    "title_canon_sha256": "5f68aa150f51c60bef2ba5d545d01e7aff0145bdc97b800d0db614c8e94d4e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02497",
    "kind": "arxiv",
    "version": 2
  }
}