Pith Number

pith:HFQVYKQY

pith:2015:HFQVYKQY4IC5YMX7HW6YWYF7SA

not attested not anchored not stored refs pending

Sparse group factor analysis for biclustering of multiple data sources

Eemeli Lepp\"aaho, Inka Saarinen, Kerstin Bunte, Samuel Kaski

arxiv:1512.08808 v2 · 2015-12-29 · cs.LG · cs.IR · 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{HFQVYKQY4IC5YMX7HW6YWYF7SA}

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	2026-05-18T01:04:41.519788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39615c2a18e205dc32ff3dbd8b60bf90069657d14de1b312469e2faf81a17568

Aliases

arxiv: 1512.08808 · arxiv_version: 1512.08808v2 · doi: 10.48550/arxiv.1512.08808 · pith_short_12: HFQVYKQY4IC5 · pith_short_16: HFQVYKQY4IC5YMX7 · pith_short_8: HFQVYKQY

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/HFQVYKQY4IC5YMX7HW6YWYF7SA \
  | 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: 39615c2a18e205dc32ff3dbd8b60bf90069657d14de1b312469e2faf81a17568

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eff8c4c5013728c09631f3f0ce2c2fc4d7fd0187b99362e3c9529cd7e69afdc",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-29T22:07:35Z",
    "title_canon_sha256": "33e08090b00d80f55b8a05b7c8ba4b5fc22d1ea74f8bbafeb50859f22d641e07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08808",
    "kind": "arxiv",
    "version": 2
  }
}