Pith Number

pith:3EEACS5M

pith:2018:3EEACS5MSLFRGMGIGAGJJVGV5L

not attested not anchored not stored refs pending

Semi-orthogonal Non-negative Matrix Factorization with an Application in Text Mining

Annie Qu, Han Ye, Jack Yutong Li, Ruoqing Zhu, Zhankun Sun

arxiv:1805.02306 v3 · 2018-05-07 · stat.ME · 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{3EEACS5MSLFRGMGIGAGJJVGV5L}

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	2026-05-17T23:41:31.235825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d908014bac92cb1330c8300c94d4d5eaca7eceb9540591902d639f94a9d15fb2

Aliases

arxiv: 1805.02306 · arxiv_version: 1805.02306v3 · doi: 10.48550/arxiv.1805.02306 · pith_short_12: 3EEACS5MSLFR · pith_short_16: 3EEACS5MSLFRGMGI · pith_short_8: 3EEACS5M

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/3EEACS5MSLFRGMGIGAGJJVGV5L \
  | 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: d908014bac92cb1330c8300c94d4d5eaca7eceb9540591902d639f94a9d15fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee67cdc7d83963772ffd506186c03cf816e2c905b054d4c85abe404411e57049",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-05-07T01:12:12Z",
    "title_canon_sha256": "97e6c316265c09778e5e1b203fe6f11358c7c5a34703d2e3c6fb72c04c606e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02306",
    "kind": "arxiv",
    "version": 3
  }
}