Pith Number

pith:64ARBV6H

pith:2021:64ARBV6HUFMAROR3HXQL2KOMKC

not attested not anchored not stored refs pending

An iterative clustering algorithm for the Contextual Stochastic Block Model with optimality guarantees

Christophe Biernacki, Guillaume Braun, Hemant Tyagi

arxiv:2112.10467 v2 · 2021-12-20 · stat.ML · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64ARBV6HUFMAROR3HXQL2KOMKC}

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	2026-07-05T04:44:19.306334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70110d7c7a15808ba3b3de0bd29cc50b8881b0e16e3a7a041f409399ca02044

Aliases

arxiv: 2112.10467 · arxiv_version: 2112.10467v2 · doi: 10.48550/arxiv.2112.10467 · pith_short_12: 64ARBV6HUFMA · pith_short_16: 64ARBV6HUFMAROR3 · pith_short_8: 64ARBV6H

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/64ARBV6HUFMAROR3HXQL2KOMKC \
  | 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: f70110d7c7a15808ba3b3de0bd29cc50b8881b0e16e3a7a041f409399ca02044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae9dbf0b1dbd2a1e9e5669d95ae2c93183e589fad89a51fbc417e8884b095aa",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-12-20T12:04:07Z",
    "title_canon_sha256": "8eaf586c58056ef0694a99f4290276192da1a1edac99d4cfe4c37d5df58f5d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10467",
    "kind": "arxiv",
    "version": 2
  }
}