Pith Number

pith:VVDOAGDL

pith:2011:VVDOAGDL4BCXA4FMNQK5E34YY2

not attested not anchored not stored refs pending

Maximum likelihood degree of variance component models

Elizabeth Gross, Mathias Drton, Sonja Petrovi\'c

arxiv:1111.3308 v1 · 2011-11-14 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVDOAGDL4BCXA4FMNQK5E34YY2}

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	2026-05-18T03:26:32.615895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad46e0186be0457070ac6c15d26f98c6af2fe674d975fee8af6ea9d32ab864e6

Aliases

arxiv: 1111.3308 · arxiv_version: 1111.3308v1 · doi: 10.48550/arxiv.1111.3308 · pith_short_12: VVDOAGDL4BCX · pith_short_16: VVDOAGDL4BCXA4FM · pith_short_8: VVDOAGDL

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/VVDOAGDL4BCXA4FMNQK5E34YY2 \
  | 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: ad46e0186be0457070ac6c15d26f98c6af2fe674d975fee8af6ea9d32ab864e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a41917dc37f5b4d8a0d56f94c52c6fa802edd2ef22fd8fe944aff6b36867e1",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-11-14T18:18:05Z",
    "title_canon_sha256": "ae8a89ec9fe48aa7d9b4ab7abccd7e9246812d5fb10aabaa4031107427ff4a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3308",
    "kind": "arxiv",
    "version": 1
  }
}