Pith Number

pith:FEAGK52T

pith:2017:FEAGK52TKUY2235O5RMUK7M75Y

not attested not anchored not stored refs pending

Introduction to Nonnegative Matrix Factorization

Nicolas Gillis

arxiv:1703.00663 v1 · 2017-03-02 · cs.NA · cs.CV · cs.LG · math.OC · 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{FEAGK52TKUY2235O5RMUK7M75Y}

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	2026-05-18T00:49:41.112634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29006577535531ad6faeec59457d9fee39ad0a23cc801bc624b6ac27f689761f

Aliases

arxiv: 1703.00663 · arxiv_version: 1703.00663v1 · doi: 10.48550/arxiv.1703.00663 · pith_short_12: FEAGK52TKUY2 · pith_short_16: FEAGK52TKUY2235O · pith_short_8: FEAGK52T

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/FEAGK52TKUY2235O5RMUK7M75Y \
  | 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: 29006577535531ad6faeec59457d9fee39ad0a23cc801bc624b6ac27f689761f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5289b204b8bceec5e423b3df9cb86972984b9795ca4d461cb10f8dddcbbca02",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-03-02T08:23:04Z",
    "title_canon_sha256": "1524628bdc142381fa8f4d055ff6b306a2dcbec55961281bc7dbc2a9640e07c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00663",
    "kind": "arxiv",
    "version": 1
  }
}