Pith Number

pith:PUQRKLG6

pith:2017:PUQRKLG6GFJKMM3UBDENMLTD5Y

not attested not anchored not stored refs pending

A Note on Implementing a Special Case of the LEAR Covariance Model in Standard Software

Keith E. Muller, Min Zhu, Sean L. Simpson

arxiv:1707.08407 v1 · 2017-07-26 · stat.ME · stat.AP · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUQRKLG6GFJKMM3UBDENMLTD5Y}

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	2026-05-18T00:39:24.310857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d21152cde3152a6337408c8d62e63ee141fb2c593b46e8f8473372d96a23999

Aliases

arxiv: 1707.08407 · arxiv_version: 1707.08407v1 · doi: 10.48550/arxiv.1707.08407 · pith_short_12: PUQRKLG6GFJK · pith_short_16: PUQRKLG6GFJKMM3U · pith_short_8: PUQRKLG6

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/PUQRKLG6GFJKMM3UBDENMLTD5Y \
  | 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: 7d21152cde3152a6337408c8d62e63ee141fb2c593b46e8f8473372d96a23999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a18bde08424351277d0af7f4e2814a53119ebe6a83da064954d6051c7033043a",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-07-26T12:28:51Z",
    "title_canon_sha256": "2eb19945f5cc2c4cec848307e416ae69868fb6f43767514ce77674d343ced6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08407",
    "kind": "arxiv",
    "version": 1
  }
}