Pith Number

pith:WNAH2BNG

pith:2009:WNAH2BNG7LXBKPKTY6PL5JL2SL

not attested not anchored not stored refs pending

Estimation of Gaussian mixtures in small sample studies using $l_1$ penalization

Stephane Chretien

arxiv:0901.4752 v2 · 2009-01-29 · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNAH2BNG7LXBKPKTY6PL5JL2SL}

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	2026-05-18T02:40:54.555270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3407d05a6faee153d53c79ebea57a92da0a7e27b3447b5ddf886973fc8917d3

Aliases

arxiv: 0901.4752 · arxiv_version: 0901.4752v2 · doi: 10.48550/arxiv.0901.4752 · pith_short_12: WNAH2BNG7LXB · pith_short_16: WNAH2BNG7LXBKPKT · pith_short_8: WNAH2BNG

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/WNAH2BNG7LXBKPKTY6PL5JL2SL \
  | 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: b3407d05a6faee153d53c79ebea57a92da0a7e27b3447b5ddf886973fc8917d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cec991749047bd5bf6d62e247adc7408268491bb5046b05d23ea2a92c27866c",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2009-01-29T19:21:33Z",
    "title_canon_sha256": "1f4867f150bdad21121b6c9c00c48ff8deb4f74829104aac7978f3438027472f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4752",
    "kind": "arxiv",
    "version": 2
  }
}