Pith Number

pith:DQCALNGZ

pith:2022:DQCALNGZQALJDSVWWS52HZIQME

not attested not anchored not stored refs pending

Global Convergence of Sub-gradient Method for Robust Matrix Recovery: Small Initialization, Noisy Measurements, and Over-parameterization

Jianhao Ma, Salar Fattahi

arxiv:2202.08788 v1 · 2022-02-17 · cs.LG · math.OC · 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{DQCALNGZQALJDSVWWS52HZIQME}

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

Efficient Over-parameterized Matrix Sensing from Noisy Measurements via Alternating Preconditioned Gradient Descent

Receipt and verification

First computed	2026-07-05T03:57:57.859383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c0405b4d9801691cab6b4bba3e51061070cdbb39185f6d34a6d5d9beb5b220a

Aliases

arxiv: 2202.08788 · arxiv_version: 2202.08788v1 · doi: 10.48550/arxiv.2202.08788 · pith_short_12: DQCALNGZQALJ · pith_short_16: DQCALNGZQALJDSVW · pith_short_8: DQCALNGZ

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/DQCALNGZQALJDSVWWS52HZIQME \
  | 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: 1c0405b4d9801691cab6b4bba3e51061070cdbb39185f6d34a6d5d9beb5b220a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbd31e632695b7c3d643e978a652a6aacf0af77cbd23f2cf4a19a19f2e732707",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-17T17:50:04Z",
    "title_canon_sha256": "1f3df0ec14c9d2f48e7869f9db2299359d729b1b83e45c502a02b22248ba4dc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08788",
    "kind": "arxiv",
    "version": 1
  }
}