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Pith Number

pith:LLY75P77

pith:2015:LLY75P77W6UG4SNZSJLFHEXKY3
not attested not anchored not stored refs pending

ZenLDA: An Efficient and Scalable Topic Model Training System on Distributed Data-Parallel Platform

Bo Zhao, Guoqiang Li, Hucheng Zhou, Yihua Huang

arxiv:1511.00440 v1 · 2015-11-02 · cs.DC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LLY75P77W6UG4SNZSJLFHEXKY3}

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 2026-05-18T01:26:24.770151Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5af1febfffb7a86e49b992565392eac6d66510c0b65410ba5807ed7369ed005c

Aliases

arxiv: 1511.00440 · arxiv_version: 1511.00440v1 · doi: 10.48550/arxiv.1511.00440 · pith_short_12: LLY75P77W6UG · pith_short_16: LLY75P77W6UG4SNZ · pith_short_8: LLY75P77
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LLY75P77W6UG4SNZSJLFHEXKY3 \
  | 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: 5af1febfffb7a86e49b992565392eac6d66510c0b65410ba5807ed7369ed005c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b0e42ba9cb25f754a11a4ae18cb6a4d8d9d857c61bf682de6b73c80a5e017444",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-11-02T10:57:25Z",
    "title_canon_sha256": "ec799a57bd76b071018b99b048c1911768c5e6d3dca9f2c0a46c3b1eaf58fc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00440",
    "kind": "arxiv",
    "version": 1
  }
}