Pith Number

pith:7VOMVDDZ

pith:2014:7VOMVDDZAXKJPT3GEFHQ5HSNRR

not attested not anchored not stored refs pending

Robust Hierarchical Clustering

Maria-Florina Balcan, Pramod Gupta, Yingyu Liang

arxiv:1401.0247 v2 · 2014-01-01 · cs.LG · 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{7VOMVDDZAXKJPT3GEFHQ5HSNRR}

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	2026-05-18T02:47:44.521947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd5cca8c7905d497cf66214f0e9e4d8c4140a34b46308919fe262358d4e1e8c4

Aliases

arxiv: 1401.0247 · arxiv_version: 1401.0247v2 · doi: 10.48550/arxiv.1401.0247 · pith_short_12: 7VOMVDDZAXKJ · pith_short_16: 7VOMVDDZAXKJPT3G · pith_short_8: 7VOMVDDZ

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/7VOMVDDZAXKJPT3GEFHQ5HSNRR \
  | 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: fd5cca8c7905d497cf66214f0e9e4d8c4140a34b46308919fe262358d4e1e8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "745c86bbb01cbe328666dbc592c003d65cb946d14f9717df19fa18b78ea376ec",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-01T04:16:21Z",
    "title_canon_sha256": "9a3e60fbb27b34cd1081db1c795b12b0a4ad093ab3b63cc802bd1eab5bb5c9f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0247",
    "kind": "arxiv",
    "version": 2
  }
}