Pith Number

pith:F4SMUJ7Z

pith:2018:F4SMUJ7ZWNK6NLHNFJMVSBARWN

not attested not anchored not stored refs pending

Latent Dirichlet Allocation for Internet Price War

Chenchen Li, Jianshan He, Junlong Qiao, Junwu Xiong, Le Song, Wei Chu, Xiang Yan, Xiaotie Deng, Yuan Qi

arxiv:1808.07621 v1 · 2018-08-23 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4SMUJ7ZWNK6NLHNFJMVSBARWN}

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	2026-05-18T00:07:26.725263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f24ca27f9b355e6aced2a59590411b347320621fa2783b2c21531e88607b019

Aliases

arxiv: 1808.07621 · arxiv_version: 1808.07621v1 · doi: 10.48550/arxiv.1808.07621 · pith_short_12: F4SMUJ7ZWNK6 · pith_short_16: F4SMUJ7ZWNK6NLHN · pith_short_8: F4SMUJ7Z

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/F4SMUJ7ZWNK6NLHNFJMVSBARWN \
  | 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: 2f24ca27f9b355e6aced2a59590411b347320621fa2783b2c21531e88607b019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa1b98a1f9aa65815070514b971dcae1a237d8e4ffe5862df6ee7e93de7aaf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-08-23T03:39:52Z",
    "title_canon_sha256": "7a0f69a6057047af9070d9b3e2c796c2f14cd0ac927bfaa91ac11d1e7ce586ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07621",
    "kind": "arxiv",
    "version": 1
  }
}