Pith Number

pith:FR6SB7OF

pith:2015:FR6SB7OFM3V3RWCLA7PTAESKE2

not attested not anchored not stored refs pending

Matrix Factorisation with Linear Filters

\"Omer Deniz Aky{\i}ld{\i}z

arxiv:1509.02088 v1 · 2015-09-07 · 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{FR6SB7OFM3V3RWCLA7PTAESKE2}

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	2026-05-18T01:33:49.758862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7d20fdc566ebb8d84b07df30124a26992049e55032ca6b2dcbdee8125e340c

Aliases

arxiv: 1509.02088 · arxiv_version: 1509.02088v1 · doi: 10.48550/arxiv.1509.02088 · pith_short_12: FR6SB7OFM3V3 · pith_short_16: FR6SB7OFM3V3RWCL · pith_short_8: FR6SB7OF

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/FR6SB7OFM3V3RWCLA7PTAESKE2 \
  | 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: 2c7d20fdc566ebb8d84b07df30124a26992049e55032ca6b2dcbdee8125e340c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ebc73ab986ff31711e7ca542af302d63ed695457566dd3465124fa382c8f1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-09-07T15:47:39Z",
    "title_canon_sha256": "b6449408a3cdcea8d9a7cca3bd930cf486bf138f4264710cfa30c2ee2c56eec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02088",
    "kind": "arxiv",
    "version": 1
  }
}