Pith Number

pith:Q6SL64OX

pith:2019:Q6SL64OXFCMVV5LTITZICWEDBV

not attested not anchored not stored refs pending

Spectral inference for large Stochastic Blockmodels with nodal covariates

Angelo Mele, Carey E. Priebe, Joshua Cape, Lingxin Hao

arxiv:1908.06438 v2 · 2019-08-18 · stat.ME · econ.EM · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6SL64OXFCMVV5LTITZICWEDBV}

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	2026-07-05T02:22:21.050949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a4bf71d728995af57344f28158830d5c8c8967324ec741f87bf0ac6eb8329b

Aliases

arxiv: 1908.06438 · arxiv_version: 1908.06438v2 · doi: 10.48550/arxiv.1908.06438 · pith_short_12: Q6SL64OXFCMV · pith_short_16: Q6SL64OXFCMVV5LT · pith_short_8: Q6SL64OX

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/Q6SL64OXFCMVV5LTITZICWEDBV \
  | 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: 87a4bf71d728995af57344f28158830d5c8c8967324ec741f87bf0ac6eb8329b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b7ee0b7b62917ebf91eaaf78cd15683f85e16ee0c1000c8dbd62e09247ab06",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-18T13:03:13Z",
    "title_canon_sha256": "e7c29f5105fa4fc1cd30e2580a910e245c3422324fa812d2ad1bdc5cbda29236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06438",
    "kind": "arxiv",
    "version": 2
  }
}