Pith Number

pith:2UJ23UTN

pith:2014:2UJ23UTNWOWZICRB73ZCAJOMT4

not attested not anchored not stored refs pending

Algorithms, Initializations, and Convergence for the Nonnegative Matrix Factorization

Amy N. Langville, Carl D. Meyer, David Duling, James Cox, Russell Albright

arxiv:1407.7299 v1 · 2014-07-28 · cs.NA · 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{2UJ23UTNWOWZICRB73ZCAJOMT4}

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.

Cited by

1 paper in Pith

An Exterior Method for Nonnegative Matrix Factorization

Receipt and verification

First computed	2026-05-18T02:46:23.403233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d513add26db3ad940a21fef22025cc9f393bf2b939dedffb0fd130f53fe58900

Aliases

arxiv: 1407.7299 · arxiv_version: 1407.7299v1 · doi: 10.48550/arxiv.1407.7299 · pith_short_12: 2UJ23UTNWOWZ · pith_short_16: 2UJ23UTNWOWZICRB · pith_short_8: 2UJ23UTN

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/2UJ23UTNWOWZICRB73ZCAJOMT4 \
  | 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: d513add26db3ad940a21fef22025cc9f393bf2b939dedffb0fd130f53fe58900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a22a6a2b319fcc5d7385fb64a57683957c100ff254e3875d29de643e9f6b6a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-07-28T00:41:12Z",
    "title_canon_sha256": "e1519c9b4b11750ecf73466002ba1866a2ab4b384731580d4bbf3fdcc128bde5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7299",
    "kind": "arxiv",
    "version": 1
  }
}