Pith Number

pith:CC7QR5E5

pith:2017:CC7QR5E54SKVEO5AL2CK3NU35Y

not attested not anchored not stored refs pending

A Fast Algorithm for Solving Henderson's Mixed Model Equation

Jiwoong Kim

arxiv:1710.09663 v1 · 2017-10-26 · 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{CC7QR5E54SKVEO5AL2CK3NU35Y}

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	2026-05-18T00:31:56.691599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10bf08f49de495523ba05e84adb69bee23acc3b0f87b79a31b25baad3ddbc90a

Aliases

arxiv: 1710.09663 · arxiv_version: 1710.09663v1 · doi: 10.48550/arxiv.1710.09663 · pith_short_12: CC7QR5E54SKV · pith_short_16: CC7QR5E54SKVEO5A · pith_short_8: CC7QR5E5

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/CC7QR5E54SKVEO5AL2CK3NU35Y \
  | 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: 10bf08f49de495523ba05e84adb69bee23acc3b0f87b79a31b25baad3ddbc90a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4491e7165c4a117629976e2b82ee704007eb6e1e591451b190cf97fcb1f92d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-10-26T12:24:12Z",
    "title_canon_sha256": "19b5cdc1da1f0f8ba4a41edf38327015dfa11ea774102f88dc757992e0cfd746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09663",
    "kind": "arxiv",
    "version": 1
  }
}