Pith Number

pith:UVJHVSHS

pith:2013:UVJHVSHSRWQ7QTBWQYPORU6SMP

not attested not anchored not stored refs pending

A Constant Factor Approximation Algorithm for Fault-Tolerant k-Median

Barna Saha, Jian Li, MohammadTaghi Hajiaghayi, Shi Li, Wei Hu

arxiv:1307.2808 v1 · 2013-07-10 · 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{UVJHVSHSRWQ7QTBWQYPORU6SMP}

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	2026-05-18T03:01:13.660881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5527ac8f28da1f84c36861ee8d3d263fdb42e17b01632f6f9a1bd44490524e3

Aliases

arxiv: 1307.2808 · arxiv_version: 1307.2808v1 · doi: 10.48550/arxiv.1307.2808 · pith_short_12: UVJHVSHSRWQ7 · pith_short_16: UVJHVSHSRWQ7QTBW · pith_short_8: UVJHVSHS

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/UVJHVSHSRWQ7QTBWQYPORU6SMP \
  | 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: a5527ac8f28da1f84c36861ee8d3d263fdb42e17b01632f6f9a1bd44490524e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973a9c7489079c319c49408ee7d99445699341d99b94eae434abfbac6b7ce070",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-10T14:41:58Z",
    "title_canon_sha256": "89f4539c76c160b16dcbd0e2486448f7af246eadc4c455400060c3b9f864e21d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2808",
    "kind": "arxiv",
    "version": 1
  }
}