Pith Number

pith:KQ4SSS6S

pith:2016:KQ4SSS6SRKZREYNRTCDICBXN6Q

not attested not anchored not stored refs pending

Non-Concave Penalization in Linear Mixed-Effects Models and Regularized Selection of Fixed Effects

Abhik Ghosh, Magne Thoresen

arxiv:1607.02883 v1 · 2016-07-11 · stat.ME · 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{KQ4SSS6SRKZREYNRTCDICBXN6Q}

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	2026-05-17T23:46:46.654203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5439294bd28ab31261b198868106edf42a42e8eec113c085bea7e2fada6367c8

Aliases

arxiv: 1607.02883 · arxiv_version: 1607.02883v1 · doi: 10.48550/arxiv.1607.02883 · pith_short_12: KQ4SSS6SRKZR · pith_short_16: KQ4SSS6SRKZREYNR · pith_short_8: KQ4SSS6S

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/KQ4SSS6SRKZREYNRTCDICBXN6Q \
  | 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: 5439294bd28ab31261b198868106edf42a42e8eec113c085bea7e2fada6367c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ae9872736be1f37fc0a9458e1b472ee15a30c438815ed9b5b01b7c4effd017",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-07-11T10:07:37Z",
    "title_canon_sha256": "678d45f007ebea04e99f34935aa9fc3dd5106ee9a4c4e7c296342e8661e8f619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02883",
    "kind": "arxiv",
    "version": 1
  }
}