Pith Number

pith:Z5I6FDWN

pith:2021:Z5I6FDWNJ3DA4VHHJ6VTNXB3O2

not attested not anchored not stored refs pending

Sharp Global Guarantees for Nonconvex Low-rank Recovery in the Noisy Overparameterized Regime

Richard Y. Zhang

arxiv:2104.10790 v3 · 2021-04-21 · math.OC · cs.LG · 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{Z5I6FDWNJ3DA4VHHJ6VTNXB3O2}

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

A High-Dimensional Statistical Theory for Convex and Nonconvex Matrix Sensing

Receipt and verification

First computed	2026-07-05T10:58:57.193889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf51e28ecd4ec60e54e74fab36dc3b76bfde4c7b32b16334e7002054ee7168b7

Aliases

arxiv: 2104.10790 · arxiv_version: 2104.10790v3 · doi: 10.48550/arxiv.2104.10790 · pith_short_12: Z5I6FDWNJ3DA · pith_short_16: Z5I6FDWNJ3DA4VHH · pith_short_8: Z5I6FDWN

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/Z5I6FDWNJ3DA4VHHJ6VTNXB3O2 \
  | 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: cf51e28ecd4ec60e54e74fab36dc3b76bfde4c7b32b16334e7002054ee7168b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3396220081f68c7a7fc84b66b4210ed7eef82d8fbc0103ce78996584a0431acd",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-04-21T23:07:18Z",
    "title_canon_sha256": "51151ddb42a4c0dd4a8e4d0ba5a6ad80c35814b71ad00febb1a2f71507d18f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10790",
    "kind": "arxiv",
    "version": 3
  }
}