Pith Number

pith:GFLHIRI3

pith:2019:GFLHIRI3R23ZZHWFZEQHDFTIPH

not attested not anchored not stored refs pending

Fair k-Center Clustering for Data Summarization

Jamie Morgenstern, Matth\"aus Kleindessner, Pranjal Awasthi

arxiv:1901.08628 v2 · 2019-01-24 · stat.ML · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFLHIRI3R23ZZHWFZEQHDFTIPH}

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	2026-05-17T23:46:29.100879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

315674451b8eb79c9ec5c92071966879e4fb2783fda23f2697eca9a1da730c3e

Aliases

arxiv: 1901.08628 · arxiv_version: 1901.08628v2 · doi: 10.48550/arxiv.1901.08628 · pith_short_12: GFLHIRI3R23Z · pith_short_16: GFLHIRI3R23ZZHWF · pith_short_8: GFLHIRI3

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/GFLHIRI3R23ZZHWFZEQHDFTIPH \
  | 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: 315674451b8eb79c9ec5c92071966879e4fb2783fda23f2697eca9a1da730c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ea557f818e6f85b7aeafcf7dbdcc5e0ba6ddf2e44659ad0bb68379dc816bd4",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-24T20:05:57Z",
    "title_canon_sha256": "a651a04ee626bb473136b0c5cd1b7568fd2bf59b91f9a48832bbd57f1671ab8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08628",
    "kind": "arxiv",
    "version": 2
  }
}