Pith Number

pith:GJH4KKBI

pith:2016:GJH4KKBIAINBTF64QNBGXRJXVL

not attested not anchored not stored refs pending

Efficient Parallel Algorithms for k-Center Clustering

Anthony Wirth, Jessica McClintock

arxiv:1604.03228 v1 · 2016-04-12 · cs.DC · 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{GJH4KKBIAINBTF64QNBGXRJXVL}

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	2026-05-18T01:17:16.034604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

324fc52828021a1997dc83426bc537aac342a82d447019a7232227ea3b9d062a

Aliases

arxiv: 1604.03228 · arxiv_version: 1604.03228v1 · doi: 10.48550/arxiv.1604.03228 · pith_short_12: GJH4KKBIAINB · pith_short_16: GJH4KKBIAINBTF64 · pith_short_8: GJH4KKBI

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/GJH4KKBIAINBTF64QNBGXRJXVL \
  | 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: 324fc52828021a1997dc83426bc537aac342a82d447019a7232227ea3b9d062a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54ede81b6b6b3bf9060b7b394013158091dfbff2ce2c948fa80bb1f46dd4313f",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-04-12T03:04:11Z",
    "title_canon_sha256": "355a2cf4ea72344007ab1fc4c96da57a9bc1684cb9a40ff5ccec33b2eb859885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03228",
    "kind": "arxiv",
    "version": 1
  }
}