Pith Number

pith:D7LHXMRR

pith:2022:D7LHXMRR3QKFGXPWCNVZ3H337B

not attested not anchored not stored refs pending

Learning Large Causal Structures from Inverse Covariance Matrix via Sparse Matrix Decomposition

Akito Fujii, Kento Uemura, Koji Maruhashi, Mich\`ele Sebag, Shuang Chang, Shuyu Dong, Yusuke Koyanagi

arxiv:2211.14221 v3 · 2022-11-25 · cs.LG · math.OC · 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{D7LHXMRR3QKFGXPWCNVZ3H337B}

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	2026-07-05T07:47:00.107082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd67bb231dc14535df6136b9d9f7bf849d591f0a79c38ea66d9f585168c821c

Aliases

arxiv: 2211.14221 · arxiv_version: 2211.14221v3 · doi: 10.48550/arxiv.2211.14221 · pith_short_12: D7LHXMRR3QKF · pith_short_16: D7LHXMRR3QKFGXPW · pith_short_8: D7LHXMRR

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/D7LHXMRR3QKFGXPWCNVZ3H337B \
  | 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: 1fd67bb231dc14535df6136b9d9f7bf849d591f0a79c38ea66d9f585168c821c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2615a6421c0fc9ea5b7dc382faa8882418a578379bb914f841f0366fadd970",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-25T16:32:56Z",
    "title_canon_sha256": "3ce908163059834cedbbb31ca400125021b3109f7877f8e2168cc55a3c0ae667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.14221",
    "kind": "arxiv",
    "version": 3
  }
}