Pith Number

pith:P3IJDKZ3

pith:2015:P3IJDKZ3PUYBRAZBTZEKVYMBA5

not attested not anchored not stored refs pending

Estimating heterogeneous graphical models for discrete data with an application to roll call voting

Elizaveta Levina, George Michailidis, Jian Guo, Jie Cheng, Ji Zhu

arxiv:1509.04828 v1 · 2015-09-16 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3IJDKZ3PUYBRAZBTZEKVYMBA5}

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	2026-05-18T01:32:51.586819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed091ab3b7d301883219e48aae18107427afe2d6efd80f3aa9fde35c6c32614

Aliases

arxiv: 1509.04828 · arxiv_version: 1509.04828v1 · doi: 10.48550/arxiv.1509.04828 · pith_short_12: P3IJDKZ3PUYB · pith_short_16: P3IJDKZ3PUYBRAZB · pith_short_8: P3IJDKZ3

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/P3IJDKZ3PUYBRAZBTZEKVYMBA5 \
  | 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: 7ed091ab3b7d301883219e48aae18107427afe2d6efd80f3aa9fde35c6c32614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "868b14d7b17631c98b246aa95d78077b72a6d35a3156b3482340d1581fcfa04e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-09-16T07:02:07Z",
    "title_canon_sha256": "f46b449cd4038ab888bcc6b970b76f1573f3ef6f47d66a3d9a181e60c4d041db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04828",
    "kind": "arxiv",
    "version": 1
  }
}