Pith Number

pith:JH2RUNPD

pith:2016:JH2RUNPDYM7K635RGWXB7N3SIP

not attested not anchored not stored refs pending

Efficient Distributed Estimation of Inverse Covariance Matrices

Elizabeth Hou, Jes\'us Arroyo

arxiv:1605.00758 v1 · 2016-05-03 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JH2RUNPDYM7K635RGWXB7N3SIP}

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	2026-05-18T01:03:32.564658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f51a35e3c33eaf6fb135ae1fb77243dc04e69572274ebe9c341a3f8511d798

Aliases

arxiv: 1605.00758 · arxiv_version: 1605.00758v1 · doi: 10.48550/arxiv.1605.00758 · pith_short_12: JH2RUNPDYM7K · pith_short_16: JH2RUNPDYM7K635R · pith_short_8: JH2RUNPD

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/JH2RUNPDYM7K635RGWXB7N3SIP \
  | 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: 49f51a35e3c33eaf6fb135ae1fb77243dc04e69572274ebe9c341a3f8511d798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dde8f8237e4292d1290772a2f4f655082a564aafcc4acb41dd6b8eb8969595b9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-05-03T05:51:21Z",
    "title_canon_sha256": "802521c2b84db3174a462aea45ba4b6a91067a7b7ee8b40e50dcbb6d3f3ac20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00758",
    "kind": "arxiv",
    "version": 1
  }
}