Pith Number

pith:IUALEICS

pith:2015:IUALEICS47PLUSAOQ2GSDQZF7H

not attested not anchored not stored refs pending

Approximate Clustering via Metric Partitioning

Kasturi Varadarajan, Sayan Bandyapadhyay

arxiv:1507.02222 v3 · 2015-07-08 · cs.CG · cs.DS · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUALEICS47PLUSAOQ2GSDQZF7H}

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	2026-05-18T01:03:20.420394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4500b22052e7deba480e868d21c325f9d61be70e4dc2ef8c9394a1f2c0eedead

Aliases

arxiv: 1507.02222 · arxiv_version: 1507.02222v3 · doi: 10.48550/arxiv.1507.02222 · pith_short_12: IUALEICS47PL · pith_short_16: IUALEICS47PLUSAO · pith_short_8: IUALEICS

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/IUALEICS47PLUSAOQ2GSDQZF7H \
  | 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: 4500b22052e7deba480e868d21c325f9d61be70e4dc2ef8c9394a1f2c0eedead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e4965a62940e97003bc2639c84ecd0d3734b3587011c24104f82ea2a40df6da",
    "cross_cats_sorted": [
      "cs.DS",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-07-08T17:08:13Z",
    "title_canon_sha256": "801f42eec25ddbf7e0cb29dbc79987767514820b890db4b6b813d6533f2e9b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02222",
    "kind": "arxiv",
    "version": 3
  }
}