Pith Number

pith:KHT7BUYJ

pith:2012:KHT7BUYJGWB7RWJ3CB4RKEY7IJ

not attested not anchored not stored refs pending

LP Rounding for k-Centers with Non-uniform Hard Capacities

Marek Cygan, MohammadTaghi Hajiaghayi, Samir Khuller

arxiv:1208.3054 v1 · 2012-08-15 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHT7BUYJGWB7RWJ3CB4RKEY7IJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:48:45.720506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e7f0d3093583f8d93b107915131f426df867a0da33b3163f8b66837db84345

Aliases

arxiv: 1208.3054 · arxiv_version: 1208.3054v1 · doi: 10.48550/arxiv.1208.3054 · pith_short_12: KHT7BUYJGWB7 · pith_short_16: KHT7BUYJGWB7RWJ3 · pith_short_8: KHT7BUYJ

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/KHT7BUYJGWB7RWJ3CB4RKEY7IJ \
  | 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: 51e7f0d3093583f8d93b107915131f426df867a0da33b3163f8b66837db84345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc37ad275b165ae165c0640d374e4e826994a03d81ef9f164fa5f66075de0c70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-08-15T08:20:10Z",
    "title_canon_sha256": "bbbd7b5a25ce933b7f1c770d4cd98ca542c413a2d4b7d9f643e0aafbf028d492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3054",
    "kind": "arxiv",
    "version": 1
  }
}