Pith Number

pith:GPRCFKP4

pith:2019:GPRCFKP4KA5KNX3O2PJUK2NKRA

not attested not anchored not stored refs pending

Fully dynamic hierarchical diameter k-clustering and k-center

Christian Sohler, Melanie Schmidt

arxiv:1908.02645 v1 · 2019-08-07 · 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{GPRCFKP4KA5KNX3O2PJUK2NKRA}

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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

Fully Dynamic k-Center Clustering in Doubling Metrics

Receipt and verification

First computed	2026-07-04T23:52:11.119062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e222a9fc503aa6df6ed3d34569aa883ac202f91dd6200d7bab5f6d008d2004

Aliases

arxiv: 1908.02645 · arxiv_version: 1908.02645v1 · doi: 10.48550/arxiv.1908.02645 · pith_short_12: GPRCFKP4KA5K · pith_short_16: GPRCFKP4KA5KNX3O · pith_short_8: GPRCFKP4

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/GPRCFKP4KA5KNX3O2PJUK2NKRA \
  | 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: 33e222a9fc503aa6df6ed3d34569aa883ac202f91dd6200d7bab5f6d008d2004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2301fb764336bbdd162fafd269ed1533263c25cbeefaf530e6307d0c8705f485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-07T14:04:23Z",
    "title_canon_sha256": "e6a5612b1ca7da03d004a6fe333871bf57f47172a6fd46e9fd8a2bfdb27d1f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02645",
    "kind": "arxiv",
    "version": 1
  }
}