Pith Number

pith:SCFG4M4C

pith:2021:SCFG4M4CJD4ZHKZ33KAUINVVBF

not attested not anchored not stored refs pending

Non-asymptotic model selection in block-diagonal mixture of polynomial experts models

Faicel Chamroukhi, Florence Forbes, Hien Duy Nguyen, TrungTin Nguyen

arxiv:2104.08959 v2 · 2021-04-18 · math.ST · cs.AI · cs.LG · stat.ME · stat.ML · 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{SCFG4M4CJD4ZHKZ33KAUINVVBF}

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	2026-07-05T04:22:15.779391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

908a6e338248f993ab3bda814436b5095c7de286b8dbdf4f00e1fb790f946373

Aliases

arxiv: 2104.08959 · arxiv_version: 2104.08959v2 · doi: 10.48550/arxiv.2104.08959 · pith_short_12: SCFG4M4CJD4Z · pith_short_16: SCFG4M4CJD4ZHKZ3 · pith_short_8: SCFG4M4C

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/SCFG4M4CJD4ZHKZ33KAUINVVBF \
  | 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: 908a6e338248f993ab3bda814436b5095c7de286b8dbdf4f00e1fb790f946373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f2d97eb5118d1f911393042418d6ebef87d0aadc822028932114abeac62743c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2021-04-18T21:32:20Z",
    "title_canon_sha256": "4865c9442192538754c704ac506db2b3b6afc6e1972ebad922f349b42096e3fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08959",
    "kind": "arxiv",
    "version": 2
  }
}