Pith Number

pith:PGQPNAY2

pith:2018:PGQPNAY25NSLS7RAHG6VP5SPKO

not attested not anchored not stored refs pending

Smoothed analysis for low-rank solutions to semidefinite programs in quadratic penalty form

Nicolas Boumal, Praneeth Netrapalli, Prateek Jain, Srinadh Bhojanapalli

arxiv:1803.00186 v1 · 2018-03-01 · stat.ML · cs.LG · 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{PGQPNAY25NSLS7RAHG6VP5SPKO}

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	2026-05-18T00:22:13.092223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a0f6831aeb64b97e2039bd57f64f53bb6ad1a6d07705828baa35ec0d366a32

Aliases

arxiv: 1803.00186 · arxiv_version: 1803.00186v1 · doi: 10.48550/arxiv.1803.00186 · pith_short_12: PGQPNAY25NSL · pith_short_16: PGQPNAY25NSLS7RA · pith_short_8: PGQPNAY2

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/PGQPNAY25NSLS7RAHG6VP5SPKO \
  | 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: 79a0f6831aeb64b97e2039bd57f64f53bb6ad1a6d07705828baa35ec0d366a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5777bdba5be34401bdb598ed43989e0238b3e42342d7a21c4b31c9dc87f05428",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-03-01T03:11:11Z",
    "title_canon_sha256": "2a6ca88a7fa5ee06cbb3b0b82982d07c13e57aedf7e761c3fcd097a6c3d94b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00186",
    "kind": "arxiv",
    "version": 1
  }
}