Pith Number

pith:ZSHXHSAK

pith:2017:ZSHXHSAKCUHHYQNSBT6JNZ4WUM

not attested not anchored not stored refs pending

A Universal Variance Reduction-Based Catalyst for Nonconvex Low-Rank Matrix Recovery

Lingxiao Wang, Quanquan Gu, Xiao Zhang

arxiv:1701.02301 v2 · 2017-01-09 · 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{ZSHXHSAKCUHHYQNSBT6JNZ4WUM}

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	2026-05-18T00:52:30.641185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc8f73c80a150e7c41b20cfc96e796a3153f386d0f960865c8f5480d0f7b99e1

Aliases

arxiv: 1701.02301 · arxiv_version: 1701.02301v2 · doi: 10.48550/arxiv.1701.02301 · pith_short_12: ZSHXHSAKCUHH · pith_short_16: ZSHXHSAKCUHHYQNS · pith_short_8: ZSHXHSAK

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/ZSHXHSAKCUHHYQNSBT6JNZ4WUM \
  | 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: cc8f73c80a150e7c41b20cfc96e796a3153f386d0f960865c8f5480d0f7b99e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d909dea7a8ddcbeca305562d6886c81904e4625fdfc2c2afc6a28167e5ce681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-01-09T18:56:56Z",
    "title_canon_sha256": "1688d6fec2e6bf4b0dc32e8ec4e7237ffbd00c968500f1bc81cad275457b5bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02301",
    "kind": "arxiv",
    "version": 2
  }
}