Pith Number

pith:DMFZAVZT

pith:2013:DMFZAVZT7SLUIXQHWWYJB6VSYU

not attested not anchored not stored refs pending

Model selection in a sparse heterogeneous framework

Laurent Cavalier, Markus Rei{\ss}

arxiv:1312.5839 v1 · 2013-12-20 · 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{DMFZAVZT7SLUIXQHWWYJB6VSYU}

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	2026-05-18T03:04:07.711520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b0b905733fc97445e07b5b090fab2c50aa4ebcb8d22fd5e0303e85e8bfd71b5

Aliases

arxiv: 1312.5839 · arxiv_version: 1312.5839v1 · doi: 10.48550/arxiv.1312.5839 · pith_short_12: DMFZAVZT7SLU · pith_short_16: DMFZAVZT7SLUIXQH · pith_short_8: DMFZAVZT

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/DMFZAVZT7SLUIXQHWWYJB6VSYU \
  | 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: 1b0b905733fc97445e07b5b090fab2c50aa4ebcb8d22fd5e0303e85e8bfd71b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d764528d9439c432da5d2e80e23516c20011a4ee7550760a1b250bf88f9b7481",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-12-20T08:05:01Z",
    "title_canon_sha256": "e760608e2661479b8435bc2c286706f2a5db092134900c5ed59c22532157d30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5839",
    "kind": "arxiv",
    "version": 1
  }
}