Pith Number

pith:7RDJSYZY

pith:2018:7RDJSYZYR3XVUQ4SCMJQRZK4XX

not attested not anchored not stored refs pending

Faster Matrix Completion Using Randomized SVD

Wenjian Yu, Xu Feng, Yaohang Li

arxiv:1810.06860 v1 · 2018-10-16 · 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{7RDJSYZYR3XVUQ4SCMJQRZK4XX}

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	2026-05-18T00:03:11.307291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc469963388eef5a4392131308e55cbde189835a33d12617b396b7e459aa29dc

Aliases

arxiv: 1810.06860 · arxiv_version: 1810.06860v1 · doi: 10.48550/arxiv.1810.06860 · pith_short_12: 7RDJSYZYR3XV · pith_short_16: 7RDJSYZYR3XVUQ4S · pith_short_8: 7RDJSYZY

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/7RDJSYZYR3XVUQ4SCMJQRZK4XX \
  | 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: fc469963388eef5a4392131308e55cbde189835a33d12617b396b7e459aa29dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f8f9135db9e77f51883e190391af09a6318b5ab7b9ceac1dbc782bfc5ed147",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-16T07:57:07Z",
    "title_canon_sha256": "bfd5795b2529d400eeb3e7391848d230a024c122a020b1810744d72bb1886f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06860",
    "kind": "arxiv",
    "version": 1
  }
}