Pith Number

pith:ZWJWEPXD

pith:2015:ZWJWEPXDOTDBGKCFXHOZZUTRUD

not attested not anchored not stored refs pending

Dynamic Poisson Factorization

David M. Blei, James McInerney, Laurent Charlin, Rajesh Ranganath

arxiv:1509.04640 v1 · 2015-09-15 · cs.LG · cs.IR · 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{ZWJWEPXDOTDBGKCFXHOZZUTRUD}

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	2026-05-18T01:32:58.317648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd93623ee374c6132845b9dd9cd271a0cd7f79022cf901e355a6985d9d61e260

Aliases

arxiv: 1509.04640 · arxiv_version: 1509.04640v1 · doi: 10.48550/arxiv.1509.04640 · pith_short_12: ZWJWEPXDOTDB · pith_short_16: ZWJWEPXDOTDBGKCF · pith_short_8: ZWJWEPXD

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/ZWJWEPXDOTDBGKCFXHOZZUTRUD \
  | 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: cd93623ee374c6132845b9dd9cd271a0cd7f79022cf901e355a6985d9d61e260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564e88d0c86cb7567da9e830d6982337de4affdd34ed4aff24c9d08b8c9dacc4",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-15T16:57:15Z",
    "title_canon_sha256": "439ca4e81b59f46bf6f228f9a4701cc866f8e83953afb2886e61aa3609f40c44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04640",
    "kind": "arxiv",
    "version": 1
  }
}