Pith Number

pith:QOA2XXR5

pith:2019:QOA2XXR5YPZJPSJ4ZVCD3HXTER

not attested not anchored not stored refs pending

Population Predictive Checks

David M. Blei, Gemma E. Moran, Rajesh Ranganath

arxiv:1908.00882 v5 · 2019-08-02 · stat.ME · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOA2XXR5YPZJPSJ4ZVCD3HXTER}

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	2026-07-05T07:14:48.045715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8381abde3dc3f297c93ccd443d9ef3245b5f68f732264f648c703b373740d689

Aliases

arxiv: 1908.00882 · arxiv_version: 1908.00882v5 · doi: 10.48550/arxiv.1908.00882 · pith_short_12: QOA2XXR5YPZJ · pith_short_16: QOA2XXR5YPZJPSJ4 · pith_short_8: QOA2XXR5

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/QOA2XXR5YPZJPSJ4ZVCD3HXTER \
  | 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: 8381abde3dc3f297c93ccd443d9ef3245b5f68f732264f648c703b373740d689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d2168b1a7545bbada25998820a07c3c2042ce734e208386cc095d7723d0470",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-02T14:37:29Z",
    "title_canon_sha256": "1f2b7d9fcfe1c27542085e176b29432464ed797728836e04f868424a3b61f396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00882",
    "kind": "arxiv",
    "version": 5
  }
}