Pith Number

pith:BV3G5IWU

pith:2015:BV3G5IWUPAIW7PTMQVC4C35MIA

not attested not anchored not stored refs pending

Monotonous (Semi-)Nonnegative Matrix Factorization

Arun Ayyar, Nirav Bhatt

arxiv:1505.00294 v1 · 2015-05-01 · 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{BV3G5IWUPAIW7PTMQVC4C35MIA}

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	2026-05-18T02:17:10.549392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d766ea2d478116fbe6c8545c16fac4037a82acb6bb74eb67ce19612d422d826

Aliases

arxiv: 1505.00294 · arxiv_version: 1505.00294v1 · doi: 10.48550/arxiv.1505.00294 · pith_short_12: BV3G5IWUPAIW · pith_short_16: BV3G5IWUPAIW7PTM · pith_short_8: BV3G5IWU

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/BV3G5IWUPAIW7PTMQVC4C35MIA \
  | 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: 0d766ea2d478116fbe6c8545c16fac4037a82acb6bb74eb67ce19612d422d826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70f498607270b8a7381d9fc9a0568788eda81ae8bbd40218ac2ab201fbf90523",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-05-01T23:58:17Z",
    "title_canon_sha256": "49a8a678a484037065c2d72dcb5c481287205aeda1679fc289b36b30a6b9be14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00294",
    "kind": "arxiv",
    "version": 1
  }
}