pith. sign in
Pith Number

pith:QMSOLGLO

pith:2013:QMSOLGLOJ7WHSGSDL4MHWYLT4S
not attested not anchored not stored refs pending

Fast Clustering with Lower Bounds: No Customer too Far, No Shop too Small

Alina Ene, Benjamin Raichel, Sariel Har-Peled

arxiv:1304.7318 v1 · 2013-04-27 · cs.CG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QMSOLGLOJ7WHSGSDL4MHWYLT4S}

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 2026-05-18T03:27:00.539512Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8324e5996e4fec791a435f187b6173e48cdc2f4df5ecc9b053ecd31e94530ed4

Aliases

arxiv: 1304.7318 · arxiv_version: 1304.7318v1 · doi: 10.48550/arxiv.1304.7318 · pith_short_12: QMSOLGLOJ7WH · pith_short_16: QMSOLGLOJ7WHSGSD · pith_short_8: QMSOLGLO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QMSOLGLOJ7WHSGSDL4MHWYLT4S \
  | 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: 8324e5996e4fec791a435f187b6173e48cdc2f4df5ecc9b053ecd31e94530ed4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "46527fdb327858621ec706aa7326b6f05d46e9561877550a5582aefa6f891681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-04-27T02:36:20Z",
    "title_canon_sha256": "c3a1d5e9f29982c448b54884b1f8dea0202c79bc80d51742ec76d9ef4a48d6e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7318",
    "kind": "arxiv",
    "version": 1
  }
}