Pith Number

pith:LIGX7EVT

pith:2015:LIGX7EVTZR3HJC72KQVKNW3F4T

not attested not anchored not stored refs pending

Sparse Probit Linear Mixed Model

Christoph Lippert, Florian Wenzel, John P. Cunningham, Marius Kloft, Shinichi Nakajima, Stephan Mandt

arxiv:1507.04777 v4 · 2015-07-16 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIGX7EVTZR3HJC72KQVKNW3F4T}

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	2026-05-18T00:35:44.478024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0d7f92b3cc76748bfa542aa6db65e4fd390890bdc7266c2bba6720cb4592e0

Aliases

arxiv: 1507.04777 · arxiv_version: 1507.04777v4 · doi: 10.48550/arxiv.1507.04777 · pith_short_12: LIGX7EVTZR3H · pith_short_16: LIGX7EVTZR3HJC72 · pith_short_8: LIGX7EVT

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/LIGX7EVTZR3HJC72KQVKNW3F4T \
  | 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: 5a0d7f92b3cc76748bfa542aa6db65e4fd390890bdc7266c2bba6720cb4592e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f15c3aff75f7f84ecd20740dc0d00d7220bb50330a9ec8193525ad04a2d4f1",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-07-16T21:33:48Z",
    "title_canon_sha256": "27de9871c73837d92ddf864ad47cb7717cd6d2cd9bc6cc240e4c5c66761d9fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04777",
    "kind": "arxiv",
    "version": 4
  }
}