Pith Number

pith:Q4BEEDDJ

pith:2014:Q4BEEDDJW5YQ5WCMZEM5JCYSNU

not attested not anchored not stored refs pending

Expandable Factor Analysis

Barbara E. Engelhardt, David B. Dunson, Sanvesh Srivastava

arxiv:1407.1158 v3 · 2014-07-04 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4BEEDDJW5YQ5WCMZEM5JCYSNU}

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	2026-05-18T00:12:51.042358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8702420c69b7710ed84cc919d48b126d1a7b42d3768ed471e7d62fb7b81815a5

Aliases

arxiv: 1407.1158 · arxiv_version: 1407.1158v3 · doi: 10.48550/arxiv.1407.1158 · pith_short_12: Q4BEEDDJW5YQ · pith_short_16: Q4BEEDDJW5YQ5WCM · pith_short_8: Q4BEEDDJ

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/Q4BEEDDJW5YQ5WCMZEM5JCYSNU \
  | 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: 8702420c69b7710ed84cc919d48b126d1a7b42d3768ed471e7d62fb7b81815a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58611956e39dfec88cdfe6903f6b3914b78aa473a9b02f1626f109f614c8039c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-07-04T09:09:55Z",
    "title_canon_sha256": "f0640c59afda6ffccb405f18f89a4fbf145a55a7fafcfe2be8655dbac652ec61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1158",
    "kind": "arxiv",
    "version": 3
  }
}