Pith Number

pith:XJZVECG7

pith:2023:XJZVECG7M2OPMUOZ4XWOCIB3ET

not attested not anchored not stored refs pending

How Over-Parameterization Slows Down Gradient Descent in Matrix Sensing: The Curses of Symmetry and Initialization

Lijun Ding, Nuoya Xiong, Simon S. Du

arxiv:2310.01769 v3 · 2023-10-03 · 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{XJZVECG7M2OPMUOZ4XWOCIB3ET}

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	2026-07-05T07:16:00.840965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba735208df669cf651d9e5ece1203b24d91126fd63810b24d9d3b506aeb5d825

Aliases

arxiv: 2310.01769 · arxiv_version: 2310.01769v3 · doi: 10.48550/arxiv.2310.01769 · pith_short_12: XJZVECG7M2OP · pith_short_16: XJZVECG7M2OPMUOZ · pith_short_8: XJZVECG7

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/XJZVECG7M2OPMUOZ4XWOCIB3ET \
  | 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: ba735208df669cf651d9e5ece1203b24d91126fd63810b24d9d3b506aeb5d825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c25ca72880193840d484b209cafba456bc8c468d605320a75a052c573e9405",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-03T03:34:22Z",
    "title_canon_sha256": "621cd3db55210e3152ed26bcf520dd903e74b6f4f867e75830ad769509ecbb0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.01769",
    "kind": "arxiv",
    "version": 3
  }
}