Pith Number

pith:VZPNAO6W

pith:2017:VZPNAO6WXPY3PQMANVZJHLOPPI

not attested not anchored not stored refs pending

Cooperative Hierarchical Dirichlet Processes: Superposition vs. Maximization

Guangquan Zhang, Jie Lu, Junyu Xuan, Richard Yi Da Xu

arxiv:1707.05420 v1 · 2017-07-18 · cs.LG · 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{VZPNAO6WXPY3PQMANVZJHLOPPI}

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	2026-05-18T00:40:02.386004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae5ed03bd6bbf1b7c1806d7293adcf7a319c2723d91b47735d435219825604ed

Aliases

arxiv: 1707.05420 · arxiv_version: 1707.05420v1 · doi: 10.48550/arxiv.1707.05420 · pith_short_12: VZPNAO6WXPY3 · pith_short_16: VZPNAO6WXPY3PQMA · pith_short_8: VZPNAO6W

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/VZPNAO6WXPY3PQMANVZJHLOPPI \
  | 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: ae5ed03bd6bbf1b7c1806d7293adcf7a319c2723d91b47735d435219825604ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ad9088d460a937c364221897729447729c793225ad1fcd2b9677988b243b96",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-07-18T00:42:10Z",
    "title_canon_sha256": "eac1fd964b054e28cda20b900eed27c8d7a7c36e484354cc1240c66a86b09bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05420",
    "kind": "arxiv",
    "version": 1
  }
}