Pith Number

pith:SCWG5S5B

pith:2018:SCWG5S5BCH4DWFDW2ZWDN7OKFR

not attested not anchored not stored refs pending

A Coefficient of Determination (R2) for Linear Mixed Models

Hans-Peter Piepho

arxiv:1805.01124 v1 · 2018-05-03 · 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{SCWG5S5BCH4DWFDW2ZWDN7OKFR}

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	2026-05-18T00:16:52.464358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ac6ecba111f83b1476d66c36fdca2c7a6402a059606298a8a7cff523542ba6

Aliases

arxiv: 1805.01124 · arxiv_version: 1805.01124v1 · doi: 10.48550/arxiv.1805.01124 · pith_short_12: SCWG5S5BCH4D · pith_short_16: SCWG5S5BCH4DWFDW · pith_short_8: SCWG5S5B

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/SCWG5S5BCH4DWFDW2ZWDN7OKFR \
  | 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: 90ac6ecba111f83b1476d66c36fdca2c7a6402a059606298a8a7cff523542ba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6947536837159a16027ab6442592e02efb959b442589b2385db5a93676ba3c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-05-03T05:48:54Z",
    "title_canon_sha256": "804e82060e1ebfc3f10ccaea245e67a03a812e5e8d3ed11a867cd88e4eeb5b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01124",
    "kind": "arxiv",
    "version": 1
  }
}