Pith Number

pith:J2Z2AWCA

pith:2015:J2Z2AWCA7BH5HLAPIRPWVQQP5O

not attested not anchored not stored refs pending

The squared symmetric FastICA estimator

Hannu Oja, Jari Miettinen, Joni Virta, Klaus Nordhausen, Sara Taskinen

arxiv:1512.05534 v1 · 2015-12-17 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2Z2AWCA7BH5HLAPIRPWVQQP5O}

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	2026-05-18T01:01:42.164981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eb3a05840f84fd3ac0f445f6ac20febab1baa0078408b1b8e52886b55c558ab

Aliases

arxiv: 1512.05534 · arxiv_version: 1512.05534v1 · doi: 10.48550/arxiv.1512.05534 · pith_short_12: J2Z2AWCA7BH5 · pith_short_16: J2Z2AWCA7BH5HLAP · pith_short_8: J2Z2AWCA

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/J2Z2AWCA7BH5HLAPIRPWVQQP5O \
  | 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: 4eb3a05840f84fd3ac0f445f6ac20febab1baa0078408b1b8e52886b55c558ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e079f59fe624f27dd6b306f3aef07e37000a8b77ae97d415dc8ef56574e549",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-12-17T11:15:16Z",
    "title_canon_sha256": "34d7c88653310e5bfa926aa089dd1a0c8842e76c12336c71ad902204d46afab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05534",
    "kind": "arxiv",
    "version": 1
  }
}