Pith Number

pith:BOW2UWSE

pith:2026:BOW2UWSERK4DUCSLQMAYR6OWQ3

not attested not anchored not stored refs pending

On solving symmetric multi-type orthogonal non-negative matrix tri-factorization problem

Andrej Kastrin, Gregor Papa, Janez Povh, Rok Hribar

arxiv:2606.08291 v1 · 2026-06-06 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOW2UWSERK4DUCSLQMAYR6OWQ3}

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	2026-06-09T01:05:32.776246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0badaa5a448ab83a0a4b830188f9d686fc69ec7ebd4234d6b27e6f0ffadd0d89

Aliases

arxiv: 2606.08291 · arxiv_version: 2606.08291v1 · doi: 10.48550/arxiv.2606.08291 · pith_short_12: BOW2UWSERK4D · pith_short_16: BOW2UWSERK4DUCSL · pith_short_8: BOW2UWSE

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/BOW2UWSERK4DUCSLQMAYR6OWQ3 \
  | 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: 0badaa5a448ab83a0a4b830188f9d686fc69ec7ebd4234d6b27e6f0ffadd0d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4822cab41c6c1345d508c8810b4245e1c69c6e89328618d881fef3ffdb62af73",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-06T18:26:48Z",
    "title_canon_sha256": "a4017d6bea640c9e7fec82b125729b3cf1c851d34c97060d2ca53cb9e5d07c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08291",
    "kind": "arxiv",
    "version": 1
  }
}