Pith Number

pith:WCZKSOH4

pith:2026:WCZKSOH4TMHO67ARRQKV3654R3

not attested not anchored not stored refs pending

Private Adaptive Covariance Estimation via Gaussian Graphical Models

Brett Mullins, Cameron Musco, Cecilia Ferrando, Daniel Sheldon, Miguel Fuentes

arxiv:2605.24295 v1 · 2026-05-22 · cs.LG · 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{WCZKSOH4TMHO67ARRQKV3654R3}

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	2026-05-26T01:02:58.354750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b2a938fc9b0eef7c118c155dfbbc8ec3a028774aebefb2e183af70cb284bbb

Aliases

arxiv: 2605.24295 · arxiv_version: 2605.24295v1 · doi: 10.48550/arxiv.2605.24295 · pith_short_12: WCZKSOH4TMHO · pith_short_16: WCZKSOH4TMHO67AR · pith_short_8: WCZKSOH4

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/WCZKSOH4TMHO67ARRQKV3654R3 \
  | 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: b0b2a938fc9b0eef7c118c155dfbbc8ec3a028774aebefb2e183af70cb284bbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43996af262b37ba5ef84f890da5964194d1b022717f9333cbe0fbf734b61cabb",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T23:49:45Z",
    "title_canon_sha256": "4914107fd2e81b2b1a16bab17c870d9aefdc2d83b2cecccef27cfd316b6145de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24295",
    "kind": "arxiv",
    "version": 1
  }
}