Pith Number

pith:FEQHHV2R

pith:2020:FEQHHV2RHJFDTC2UTOVPZPXC6F

not attested not anchored not stored refs pending

Sparse Cholesky covariance parametrization for recovering latent structure in ordered data

Concha Bielza, Gherardo Varando, Irene C\'ordoba, Pedro Larra\~naga

arxiv:2006.01448 v2 · 2020-06-02 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEQHHV2RHJFDTC2UTOVPZPXC6F}

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	2026-07-05T01:32:23.600772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292073d7513a4a398b549baafcbee2f17ef6466ce101aa41cc7a0d122c86a79f

Aliases

arxiv: 2006.01448 · arxiv_version: 2006.01448v2 · doi: 10.48550/arxiv.2006.01448 · pith_short_12: FEQHHV2RHJFD · pith_short_16: FEQHHV2RHJFDTC2U · pith_short_8: FEQHHV2R

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/FEQHHV2RHJFDTC2UTOVPZPXC6F \
  | 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: 292073d7513a4a398b549baafcbee2f17ef6466ce101aa41cc7a0d122c86a79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0792b344265e0816fc8925f86e2923e4c432cc0262779e45ffc2ac08cbae0ac6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-02T08:35:00Z",
    "title_canon_sha256": "c932fd7fbf27b890f78edf9b7dc50237da73a4bd714f687a845897ddea03650d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01448",
    "kind": "arxiv",
    "version": 2
  }
}