pith. sign in
Pith Number

pith:PVAIZQKV

pith:2010:PVAIZQKVTH4NEGU6B3MDJDQMGP
not attested not anchored not stored refs pending

Stochastic blockmodels with growing number of classes

David S. Choi, Edoardo M. Airoldi, Patrick J. Wolfe

arxiv:1011.4644 v2 · 2010-11-21 · math.ST · cs.SI · stat.ME · stat.ML · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PVAIZQKVTH4NEGU6B3MDJDQMGP}

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 2026-05-18T03:55:21.852001Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d408cc15599f8d21a9e0ed8348e0c33f5624a363c513c635961ec8370ec6f29

Aliases

arxiv: 1011.4644 · arxiv_version: 1011.4644v2 · doi: 10.48550/arxiv.1011.4644 · pith_short_12: PVAIZQKVTH4N · pith_short_16: PVAIZQKVTH4NEGU6 · pith_short_8: PVAIZQKV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PVAIZQKVTH4NEGU6B3MDJDQMGP \
  | 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: 7d408cc15599f8d21a9e0ed8348e0c33f5624a363c513c635961ec8370ec6f29
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "91481a66a1485019bba84ea9cdf0e60fc1d301efc5055e260f60155de72890ad",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2010-11-21T07:44:03Z",
    "title_canon_sha256": "5ae66d829cdb85c10e9c0d0fc34e143674784b3a315f8b8019d225cd1701d0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4644",
    "kind": "arxiv",
    "version": 2
  }
}