Pith Number

pith:57VJBD5C

pith:2011:57VJBD5CXH3KYQ34GURB2SLAQG

not attested not anchored not stored refs pending

A note on the lack of symmetry in the graphical lasso

Bala Rajaratnam, Benjamin T. Rolfs

arxiv:1111.2667 v2 · 2011-11-11 · stat.ML · 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{57VJBD5CXH3KYQ34GURB2SLAQG}

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	2026-05-18T03:50:22.991360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efea908fa2b9f6ac437c35221d49608186b1906563799e62ff93c01523f72240

Aliases

arxiv: 1111.2667 · arxiv_version: 1111.2667v2 · doi: 10.48550/arxiv.1111.2667 · pith_short_12: 57VJBD5CXH3K · pith_short_16: 57VJBD5CXH3KYQ34 · pith_short_8: 57VJBD5C

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/57VJBD5CXH3KYQ34GURB2SLAQG \
  | 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: efea908fa2b9f6ac437c35221d49608186b1906563799e62ff93c01523f72240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3cd159b93d80f5ea59c246c5d0744cbdda563dc1d5926f481a937e52d2d55c7",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-11-11T05:51:44Z",
    "title_canon_sha256": "4e4f11b583d22328c9a97c727b3648f6c2281cc2c94a1ebaab445f9cd9b9352c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2667",
    "kind": "arxiv",
    "version": 2
  }
}