Pith Number

pith:5OKXCMLY

pith:2018:5OKXCMLYVN6VP7JKP7HSD3YD66

not attested not anchored not stored refs pending

Topic Diffusion Discovery based on Sparseness-constrained Non-negative Matrix Factorization

I-Ling Cheng, Keng-Pei Lin, Yihuang Kang

arxiv:1807.04386 v1 · 2018-07-12 · 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{5OKXCMLYVN6VP7JKP7HSD3YD66}

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	2026-05-18T00:10:53.671686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb95713178ab7d57fd2a7fcf21ef03f795b83bd5ea050884fc574cc51a799c4c

Aliases

arxiv: 1807.04386 · arxiv_version: 1807.04386v1 · doi: 10.48550/arxiv.1807.04386 · pith_short_12: 5OKXCMLYVN6V · pith_short_16: 5OKXCMLYVN6VP7JK · pith_short_8: 5OKXCMLY

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/5OKXCMLYVN6VP7JKP7HSD3YD66 \
  | 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: eb95713178ab7d57fd2a7fcf21ef03f795b83bd5ea050884fc574cc51a799c4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b23cb241eadb19b7547834a1f82cbf3bcfdd8c5c67dcd5c812773d4505b5ed",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-12T00:31:43Z",
    "title_canon_sha256": "83bd53f4de65e9b9a58e8c091280cbde86ead52d5473e2b35c9373130777880c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04386",
    "kind": "arxiv",
    "version": 1
  }
}