Pith Number

pith:NN42KVFJ

pith:2013:NN42KVFJ46SZKCFC5RRONT3NSV

not attested not anchored not stored refs pending

Variable selection for sparse Dirichlet-multinomial regression with an application to microbiome data analysis

Hongzhe Li, Jun Chen

arxiv:1305.5355 v1 · 2013-05-23 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NN42KVFJ46SZKCFC5RRONT3NSV}

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	2026-05-18T03:25:05.012455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b79a554a9e7a59508a2ec62e6cf6d955795e083fb403365a288b423b4148d0c

Aliases

arxiv: 1305.5355 · arxiv_version: 1305.5355v1 · doi: 10.48550/arxiv.1305.5355 · pith_short_12: NN42KVFJ46SZ · pith_short_16: NN42KVFJ46SZKCFC · pith_short_8: NN42KVFJ

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/NN42KVFJ46SZKCFC5RRONT3NSV \
  | 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: 6b79a554a9e7a59508a2ec62e6cf6d955795e083fb403365a288b423b4148d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ed96c8f3849a7b5161ba0445d294b413a1449e1933948174fd58e5da9155ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-05-23T09:20:53Z",
    "title_canon_sha256": "cad44d63b10138f86a10d56e49be8649adfa63afaa949da57a21a5e71a9ae724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5355",
    "kind": "arxiv",
    "version": 1
  }
}