Pith Number

pith:SPPSVXB3

pith:2018:SPPSVXB36YUY3KVUYW2VYBHLHE

not attested not anchored not stored refs pending

Hierarchical Graph Clustering using Node Pair Sampling

Alexandre Hollocou, Alexis Galland, Bertrand Charpentier, Thomas Bonald

arxiv:1806.01664 v2 · 2018-06-05 · cs.SI · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPPSVXB36YUY3KVUYW2VYBHLHE}

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	2026-05-18T00:12:37.791382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93df2adc3bf6298daab4c5b55c04eb391f4a47510dc98a9e662ec59e70b3e554

Aliases

arxiv: 1806.01664 · arxiv_version: 1806.01664v2 · doi: 10.48550/arxiv.1806.01664 · pith_short_12: SPPSVXB36YUY · pith_short_16: SPPSVXB36YUY3KVU · pith_short_8: SPPSVXB3

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/SPPSVXB36YUY3KVUYW2VYBHLHE \
  | 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: 93df2adc3bf6298daab4c5b55c04eb391f4a47510dc98a9e662ec59e70b3e554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a8399088347bd0305ea3a127cad632b863c58918c2e5e654f06e9e44a2f63be",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-06-05T12:54:07Z",
    "title_canon_sha256": "72d4d1311e202c7183b116ba54ad0d1edc16209f0399ecf8ea81cc0aeb6fa222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01664",
    "kind": "arxiv",
    "version": 2
  }
}