Pith. sign in
Pith Number

pith:VGOYQPSY

pith:2019:VGOYQPSY7BPTC5ZBEF47IXEW3N
not attested not anchored not stored refs pending

Nonconvex Rectangular Matrix Completion via Gradient Descent without $\ell_{2,\infty}$ Regularization

Dekai Liu, Ji Chen, Xiaodong Li

arxiv:1901.06116 v3 · 2019-01-18 · stat.ML · cs.LG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VGOYQPSY7BPTC5ZBEF47IXEW3N}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T01:04:45.349629Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a99d883e58f85f3177212179f45c96db5082fe5d5f1a701ae5029ec31866a1a9

Aliases

arxiv: 1901.06116 · arxiv_version: 1901.06116v3 · doi: 10.48550/arxiv.1901.06116 · pith_short_12: VGOYQPSY7BPT · pith_short_16: VGOYQPSY7BPTC5ZB · pith_short_8: VGOYQPSY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VGOYQPSY7BPTC5ZBEF47IXEW3N \
  | 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: a99d883e58f85f3177212179f45c96db5082fe5d5f1a701ae5029ec31866a1a9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eda9eb4267cf175d980a63ae622d42cdbc1b2e7cc3869517865806b0fc9e4104",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-18T07:34:26Z",
    "title_canon_sha256": "7a95ac9708c2e67cf7be44bfb3e80414ceb9a8ecdc9b908056b4e53e09254a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06116",
    "kind": "arxiv",
    "version": 3
  }
}