Pith Number

pith:AT4HTLDX

pith:2002:AT4HTLDXZXI46AIOHYGXV4TVWH

not attested not anchored not stored refs pending

K-Medians, Facility Location, and the Chernoff-Wald Bound

Neal E. Young

arxiv:cs/0205047 v2 · 2002-05-18 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AT4HTLDXZXI46AIOHYGXV4TVWH}

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	2026-05-18T01:59:53.906145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04f879ac77cdd1cf010e3e0d7af275b1de0bdd9b45cda859d2912b2e1a6113eb

Aliases

arxiv: cs/0205047 · arxiv_version: cs/0205047v2 · doi: 10.48550/arxiv.cs/0205047 · pith_short_12: AT4HTLDXZXI4 · pith_short_16: AT4HTLDXZXI46AIO · pith_short_8: AT4HTLDX

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/AT4HTLDXZXI46AIOHYGXV4TVWH \
  | 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: 04f879ac77cdd1cf010e3e0d7af275b1de0bdd9b45cda859d2912b2e1a6113eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78fc8316709f2710762a98f124672a2dd05d1328ae79adb4e491efe3804f07e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2002-05-18T18:53:27Z",
    "title_canon_sha256": "284b49fbbba43b8704cfaceb8abc49305a1fd7ffcc5d46056819a8e9b3c5bd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0205047",
    "kind": "arxiv",
    "version": 2
  }
}