Pith Number

pith:3TOB3F65

pith:2011:3TOB3F65F5PO6SF3MBYFDUWQQ4

not attested not anchored not stored refs pending

Fast First-Order Methods for Stable Principal Component Pursuit

Donald Goldfarb, Garud Iyengar, Necdet Serhat Aybat

arxiv:1105.2126 v2 · 2011-05-11 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TOB3F65F5PO6SF3MBYFDUWQQ4}

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

Binno: A 1st-order method for Bi-level Nonconvex Nonsmooth Optimization for Matrix Factorizations

Receipt and verification

First computed	2026-05-18T02:22:00.424362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdc1d97dd2f5eef48bb607051d2d0870495c4212b48c448cfb37ef152910fea

Aliases

arxiv: 1105.2126 · arxiv_version: 1105.2126v2 · doi: 10.48550/arxiv.1105.2126 · pith_short_12: 3TOB3F65F5PO · pith_short_16: 3TOB3F65F5PO6SF3 · pith_short_8: 3TOB3F65

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/3TOB3F65F5PO6SF3MBYFDUWQQ4 \
  | 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: dcdc1d97dd2f5eef48bb607051d2d0870495c4212b48c448cfb37ef152910fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bd468a9d46e41988cd4f96b0a586306d7d63a13f8db334919415494eff824e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-11T08:53:46Z",
    "title_canon_sha256": "80cc6b32b485d912b85dc07672b24935ce99e3fc4a8dc96a8fdbbffb9f881014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2126",
    "kind": "arxiv",
    "version": 2
  }
}