Pith Number

pith:XRNVYMJN

pith:2014:XRNVYMJNSKKY6O7IWSMRWU2ZWZ

not attested not anchored not stored refs pending

Adjusting Leverage Scores by Row Weighting: A Practical Approach to Coherent Matrix Completion

Shusen Wang, Tong Zhang, Zhihua Zhang

arxiv:1412.7938 v2 · 2014-12-26 · 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{XRNVYMJNSKKY6O7IWSMRWU2ZWZ}

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	2026-05-18T02:27:31.644557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5b5c312d92958f3be8b4991b5359b6426c088d91fad076ee18df9e19c1e0fa

Aliases

arxiv: 1412.7938 · arxiv_version: 1412.7938v2 · doi: 10.48550/arxiv.1412.7938 · pith_short_12: XRNVYMJNSKKY · pith_short_16: XRNVYMJNSKKY6O7I · pith_short_8: XRNVYMJN

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/XRNVYMJNSKKY6O7IWSMRWU2ZWZ \
  | 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: bc5b5c312d92958f3be8b4991b5359b6426c088d91fad076ee18df9e19c1e0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674d8636a0cb42226445753c5d04989e8210e840ec78df912a40899b1b2a1c9a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-12-26T13:56:02Z",
    "title_canon_sha256": "e01deb6a20bc89fb5b14ca913feed898a2207fd90155c3cad62eb38a120d5526"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7938",
    "kind": "arxiv",
    "version": 2
  }
}