Pith Number

pith:CMDMRBO4

pith:2015:CMDMRBO43RWNLI5VTURSUOT6ZX

not attested not anchored not stored refs pending

Bi-Objective Nonnegative Matrix Factorization: Linear Versus Kernel-Based Models

Fei Zhu, Paul Honeine

arxiv:1501.05684 v1 · 2015-01-22 · stat.ML · cs.CV · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMDMRBO43RWNLI5VTURSUOT6ZX}

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	2026-05-18T02:28:53.543712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1306c885dcdc6cd5a3b59d232a3a7ecdf7bf1ed6c71fe3826762752af72c7df5

Aliases

arxiv: 1501.05684 · arxiv_version: 1501.05684v1 · doi: 10.48550/arxiv.1501.05684 · pith_short_12: CMDMRBO43RWN · pith_short_16: CMDMRBO43RWNLI5V · pith_short_8: CMDMRBO4

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/CMDMRBO43RWNLI5VTURSUOT6ZX \
  | 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: 1306c885dcdc6cd5a3b59d232a3a7ecdf7bf1ed6c71fe3826762752af72c7df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7bc6b108a13b059e8ce5dca49546ef6ec3c41eaf32a7194955d3c0d5cf05226",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-01-22T22:59:47Z",
    "title_canon_sha256": "0e255857d7acfb9e042001012856ca82627fb1e976ca8ad5d796b02735c0a5f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05684",
    "kind": "arxiv",
    "version": 1
  }
}