Pith Number

pith:AQ36EEE7

pith:2016:AQ36EEE7UXP2GR4KYSZOMBIMBQ

not attested not anchored not stored refs pending

Latent Tree Models for Hierarchical Topic Detection

Farhan Khawar, Leonard K.M. Poon, Nevin L. Zhang, Peixian Chen, Tengfei Liu, Zhourong Chen

arxiv:1605.06650 v2 · 2016-05-21 · cs.CL · cs.IR · 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{AQ36EEE7UXP2GR4KYSZOMBIMBQ}

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	2026-05-18T00:54:15.617049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0437e2109fa5dfa3478ac4b2e6050c0c3dbecc9dea2ac4dfbf5514f773e58cba

Aliases

arxiv: 1605.06650 · arxiv_version: 1605.06650v2 · doi: 10.48550/arxiv.1605.06650 · pith_short_12: AQ36EEE7UXP2 · pith_short_16: AQ36EEE7UXP2GR4K · pith_short_8: AQ36EEE7

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/AQ36EEE7UXP2GR4KYSZOMBIMBQ \
  | 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: 0437e2109fa5dfa3478ac4b2e6050c0c3dbecc9dea2ac4dfbf5514f773e58cba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9428f0191ad6abbb0583676041a86770093745832a7876c73303dfb355c85d9",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-21T14:36:33Z",
    "title_canon_sha256": "7dcc878f001fed5fdd867b0138431cea1b8947572bdd58ed090e48bf5235074c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06650",
    "kind": "arxiv",
    "version": 2
  }
}