Pith Number

pith:4KFMODP6

pith:2016:4KFMODP6Y3UT7HUXTGU6WOG4L4

not attested not anchored not stored refs pending

Scalable Group Level Probabilistic Sparse Factor Analysis

Casper T. Eriksen, Jacob Fr{\o}sig, Jesper L. Hinrich, Kristoffer H. Madsen, Marco D. F. Kristensen, Mikkel N. Schmidt, Morten M{\o}rup, Nicolai A. B. Riis, S{\o}ren F. V. Nielsen

arxiv:1612.04555 v1 · 2016-12-14 · stat.AP · 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{4KFMODP6Y3UT7HUXTGU6WOG4L4}

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	2026-05-18T00:54:59.212963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28ac70dfec6e93f9e9799a9eb38dc5f091c17af627a43110b567dca5cdf7ab3

Aliases

arxiv: 1612.04555 · arxiv_version: 1612.04555v1 · doi: 10.48550/arxiv.1612.04555 · pith_short_12: 4KFMODP6Y3UT · pith_short_16: 4KFMODP6Y3UT7HUX · pith_short_8: 4KFMODP6

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/4KFMODP6Y3UT7HUXTGU6WOG4L4 \
  | 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: e28ac70dfec6e93f9e9799a9eb38dc5f091c17af627a43110b567dca5cdf7ab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688819e1733c8964832be6472cd9dfd7edb0ea4663c1127ad42fef1b2287bd09",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-12-14T09:59:51Z",
    "title_canon_sha256": "d7d22f087393034ab9fa45f905cab275308b7f5e582f423da82d0a4e1c675905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04555",
    "kind": "arxiv",
    "version": 1
  }
}