Pith Number

pith:CPUYQ7XG

pith:2017:CPUYQ7XGA2NW2EBHAKPIE6AUT7

not attested not anchored not stored refs pending

A Novel Document Generation Process for Topic Detection based on Hierarchical Latent Tree Models

Nevin L. Zhang, Peixian Chen, Zhourong Chen

arxiv:1712.04116 v3 · 2017-12-12 · cs.CL · cs.IR · 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{CPUYQ7XGA2NW2EBHAKPIE6AUT7}

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	2026-05-17T23:42:03.336132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e9887ee6069b6d1027029e8278149fcd6e29c9595046cffec984b7650ed474

Aliases

arxiv: 1712.04116 · arxiv_version: 1712.04116v3 · doi: 10.48550/arxiv.1712.04116 · pith_short_12: CPUYQ7XGA2NW · pith_short_16: CPUYQ7XGA2NW2EBH · pith_short_8: CPUYQ7XG

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/CPUYQ7XGA2NW2EBHAKPIE6AUT7 \
  | 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: 13e9887ee6069b6d1027029e8278149fcd6e29c9595046cffec984b7650ed474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac12c4bf3e051b90c2b70b2505ade14d3506e9a98bce454077024390c5f5023a",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-12T04:07:10Z",
    "title_canon_sha256": "f0a4175a492011aa528de7da118b99dd271a6aefc244e5129cb3d62c4d88379a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04116",
    "kind": "arxiv",
    "version": 3
  }
}