Pith Number

pith:LX4CW37R

pith:2016:LX4CW37RFHBOZ4KPL3SWS2DEYN

not attested not anchored not stored refs pending

A convex framework for high-dimensional sparse Cholesky based covariance estimation

Bala Rajaratnam, Kshitij Khare, Sang Oh, Syed Rahman

arxiv:1610.02436 v1 · 2016-10-07 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LX4CW37RFHBOZ4KPL3SWS2DEYN}

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	2026-05-18T01:02:51.507082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df82b6ff129c2ecf14f5ee5696864c359ca5f1f2e054adf556bcd3e9217d413

Aliases

arxiv: 1610.02436 · arxiv_version: 1610.02436v1 · doi: 10.48550/arxiv.1610.02436 · pith_short_12: LX4CW37RFHBO · pith_short_16: LX4CW37RFHBOZ4KP · pith_short_8: LX4CW37R

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/LX4CW37RFHBOZ4KPL3SWS2DEYN \
  | 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: 5df82b6ff129c2ecf14f5ee5696864c359ca5f1f2e054adf556bcd3e9217d413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4d6f2b0c3cd270f37e201a55d94e7ac8ae6732056c81bece2c02f98e50f4d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-10-07T21:49:09Z",
    "title_canon_sha256": "41a608662cb402de1e5c7645dba74f56b8b31e8d64f2e1ea26a423e1bed563ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02436",
    "kind": "arxiv",
    "version": 1
  }
}