Pith Number

pith:2XKTTVNR

pith:2026:2XKTTVNR5UUQJA7NI4HWAWPVYZ

not attested not anchored not stored refs pending

Synthetic Heterogeneous-Effects LASSO: A Fixed-effects Estimation Approach for High-dimensional Mixed-effects Models

Cong Zhang, Guanbo Wang, Shangyuan Ye, Ye Liang, Ying Chen

arxiv:2605.24587 v1 · 2026-05-23 · 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{2XKTTVNR5UUQJA7NI4HWAWPVYZ}

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	2026-05-26T01:03:47.650060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5d539d5b1ed290483ed470f6059f5c661fcdcfea6973d6d17f21de5c8ef0c4d

Aliases

arxiv: 2605.24587 · arxiv_version: 2605.24587v1 · doi: 10.48550/arxiv.2605.24587 · pith_short_12: 2XKTTVNR5UUQ · pith_short_16: 2XKTTVNR5UUQJA7N · pith_short_8: 2XKTTVNR

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/2XKTTVNR5UUQJA7NI4HWAWPVYZ \
  | 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: d5d539d5b1ed290483ed470f6059f5c661fcdcfea6973d6d17f21de5c8ef0c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf36208ff84e72e681b521b16e04fa72a9aadd71f3e8cf8d72db5c72f365fb0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-23T13:57:27Z",
    "title_canon_sha256": "c1ab4b3bc76cc147cfbc49b5c0e5f455660d6a5d22d3cdeb7a6763d7c53471d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24587",
    "kind": "arxiv",
    "version": 1
  }
}