Pith Number

pith:W5NOZ4DK

pith:2015:W5NOZ4DKJLN24KLTZKLYR42JBV

not attested not anchored not stored refs pending

Heteroscedastic Nested Error Regression Models with Variance Functions

Shonosuke Sugasawa, Tatsuya Kubokawa

arxiv:1505.07369 v2 · 2015-05-27 · 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{W5NOZ4DKJLN24KLTZKLYR42JBV}

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	2026-05-18T01:14:58.949006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75aecf06a4adbae2973ca9788f3490d505efe2375c263e33210efec95be61b5

Aliases

arxiv: 1505.07369 · arxiv_version: 1505.07369v2 · doi: 10.48550/arxiv.1505.07369 · pith_short_12: W5NOZ4DKJLN2 · pith_short_16: W5NOZ4DKJLN24KLT · pith_short_8: W5NOZ4DK

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/W5NOZ4DKJLN24KLTZKLYR42JBV \
  | 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: b75aecf06a4adbae2973ca9788f3490d505efe2375c263e33210efec95be61b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58cf42ad07c51da1352f786ebfe055be808d2fac74798b6f4ed86d78462a9ce6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-05-27T15:18:17Z",
    "title_canon_sha256": "6dc90f331cc42ded86e61b82e752f6d6f01fe5c88a1a631923522a968226972a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07369",
    "kind": "arxiv",
    "version": 2
  }
}