Pith Number

pith:OCW2PDFC

pith:2014:OCW2PDFCBNG3C5XMRKSL6PBLVM

not attested not anchored not stored refs pending

Scalable Robust Matrix Recovery: Frank-Wolfe Meets Proximal Methods

Cun Mu, Donald Goldfarb, John Wright, Yuqian Zhang

arxiv:1403.7588 v2 · 2014-03-29 · math.OC · cs.CV · cs.NA · 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{OCW2PDFCBNG3C5XMRKSL6PBLVM}

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	2026-05-18T00:43:31.454114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70ada78ca20b4db176ec8aa4bf3c2bab1516b2fd14305ead8e1440a52b084556

Aliases

arxiv: 1403.7588 · arxiv_version: 1403.7588v2 · doi: 10.48550/arxiv.1403.7588 · pith_short_12: OCW2PDFCBNG3 · pith_short_16: OCW2PDFCBNG3C5XM · pith_short_8: OCW2PDFC

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/OCW2PDFCBNG3C5XMRKSL6PBLVM \
  | 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: 70ada78ca20b4db176ec8aa4bf3c2bab1516b2fd14305ead8e1440a52b084556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aa6672c51a612df9d6f00c191114d0f719564f310065e96d3075ccc0e0883f2",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-29T04:04:43Z",
    "title_canon_sha256": "3793ee18e4eaba9dc276aa2a84b49eac0f7348ded054d0e660ccff2b2f22fb04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7588",
    "kind": "arxiv",
    "version": 2
  }
}