Pith Number

pith:BZHVBEFN

pith:2012:BZHVBEFNDVGF4XWPL3NPUXJ4EJ

not attested not anchored not stored refs pending

Approximating $k$-Median via Pseudo-Approximation

Ola Svensson, Shi Li

arxiv:1211.0243 v1 · 2012-11-01 · 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{BZHVBEFNDVGF4XWPL3NPUXJ4EJ}

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.

Cited by

1 paper in Pith

Learning Augmented Graph $k$-Clustering

Receipt and verification

First computed	2026-05-18T03:41:42.613327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4f5090ad1d4c5e5ecf5edafa5d3c22643e80b236745c3f80764c6865e815e2

Aliases

arxiv: 1211.0243 · arxiv_version: 1211.0243v1 · doi: 10.48550/arxiv.1211.0243 · pith_short_12: BZHVBEFNDVGF · pith_short_16: BZHVBEFNDVGF4XWP · pith_short_8: BZHVBEFN

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/BZHVBEFNDVGF4XWPL3NPUXJ4EJ \
  | 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: 0e4f5090ad1d4c5e5ecf5edafa5d3c22643e80b236745c3f80764c6865e815e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7799b420cc07d5620974024ae70e18f0c9f552042c234405ce034088fa0d8ccd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-11-01T18:02:58Z",
    "title_canon_sha256": "6c197d198dba283bd0e8500cee0caea02469981f2ebfd68bf8a6f8c4fb7ca750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0243",
    "kind": "arxiv",
    "version": 1
  }
}