Pith Number

pith:UW2NDPHA

pith:2014:UW2NDPHABE52C2FHORJYS5WQ5Q

not attested not anchored not stored refs pending

Group Factor Analysis

Arto Klami, Eemeli Lepp\"aaho, Samuel Kaski, Seppo Virtanen

arxiv:1411.5799 v2 · 2014-11-21 · 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{UW2NDPHABE52C2FHORJYS5WQ5Q}

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	2026-05-18T02:32:21.525691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b4d1bce0093ba168a774538976d0ec37d71edae1d5ca62d7b193db192b9dcf

Aliases

arxiv: 1411.5799 · arxiv_version: 1411.5799v2 · doi: 10.48550/arxiv.1411.5799 · pith_short_12: UW2NDPHABE52 · pith_short_16: UW2NDPHABE52C2FH · pith_short_8: UW2NDPHA

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/UW2NDPHABE52C2FHORJYS5WQ5Q \
  | 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: a5b4d1bce0093ba168a774538976d0ec37d71edae1d5ca62d7b193db192b9dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3716cac4df7a0297e41cd9f43491cba3ce6ef3d2c7840ca4b9e09f463a6d1dbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-11-21T08:55:35Z",
    "title_canon_sha256": "349f5c92dd99617cfa1ed26fb20d8b7673c19449c5c0fe280a9b3164bc5c81ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5799",
    "kind": "arxiv",
    "version": 2
  }
}