Pith Number

pith:QBPHCYCZ

pith:2016:QBPHCYCZDIYFY5DATSSDJ5OBV5

not attested not anchored not stored refs pending

Nonparametric Bayesian Topic Modelling with the Hierarchical Pitman-Yor Processes

Changyou Chen, Kar Wai Lim, Lan Du, Wray Buntine

arxiv:1609.06783 v1 · 2016-09-22 · stat.ML · cs.CL · 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{QBPHCYCZDIYFY5DATSSDJ5OBV5}

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	2026-05-18T01:04:05.105270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805e7160591a305c74609ca434f5c1af798ac5e6f748cfff4aa2730ad97837f7

Aliases

arxiv: 1609.06783 · arxiv_version: 1609.06783v1 · doi: 10.48550/arxiv.1609.06783 · pith_short_12: QBPHCYCZDIYF · pith_short_16: QBPHCYCZDIYFY5DA · pith_short_8: QBPHCYCZ

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/QBPHCYCZDIYFY5DATSSDJ5OBV5 \
  | 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: 805e7160591a305c74609ca434f5c1af798ac5e6f748cfff4aa2730ad97837f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7258b90f2f208323298bc1ff8b708617526aaf2e791236795aa215d01e37f0f9",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-09-22T00:10:16Z",
    "title_canon_sha256": "a7e84d4cd485b3c782a361288ff61b097bacfe44bc3f0cacceeb1fba61a0bb5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06783",
    "kind": "arxiv",
    "version": 1
  }
}