Pith Number

pith:P6MJDHBY

pith:2022:P6MJDHBYPF6LG35J4WDRUGS4CI

not attested not anchored not stored refs pending

A Relaxation Approach to Feature Selection for Linear Mixed Effects Models

Aleksandr Aravkin, Aleksei Sholokhov, Damian F. Santomauro, James V. Burke, Peng Zheng

arxiv:2205.06925 v1 · 2022-05-13 · 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{P6MJDHBYPF6LG35J4WDRUGS4CI}

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	2026-07-05T04:23:10.066454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f98919c38797cb36fa9e5871a1a5c1221824f317f34613f4e75daf753c40d7e

Aliases

arxiv: 2205.06925 · arxiv_version: 2205.06925v1 · doi: 10.48550/arxiv.2205.06925 · pith_short_12: P6MJDHBYPF6L · pith_short_16: P6MJDHBYPF6LG35J · pith_short_8: P6MJDHBY

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/P6MJDHBYPF6LG35J4WDRUGS4CI \
  | 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: 7f98919c38797cb36fa9e5871a1a5c1221824f317f34613f4e75daf753c40d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1c38972ca632e615d8f6db3edb106e9dac4d7131955159d981a85ae184b718a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-05-13T23:24:18Z",
    "title_canon_sha256": "0df80978435c40126432d6596428ba082a57a76f39ab5dd693e86f74aa5e8c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06925",
    "kind": "arxiv",
    "version": 1
  }
}