Pith Number

pith:FVZVY47C

pith:2017:FVZVY47C6HJKWTSRIXXB7ERIFA

not attested not anchored not stored refs pending

Model-free Nonconvex Matrix Completion: Local Minima Analysis and Applications in Memory-efficient Kernel PCA

Ji Chen, Xiaodong Li

arxiv:1711.01742 v3 · 2017-11-06 · 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{FVZVY47C6HJKWTSRIXXB7ERIFA}

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	2026-05-17T23:49:22.692561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d735c73e2f1d2ab4e5145ee1f9228281cbc2b86c5ff8a7c09b3c85224bd0ef3

Aliases

arxiv: 1711.01742 · arxiv_version: 1711.01742v3 · doi: 10.48550/arxiv.1711.01742 · pith_short_12: FVZVY47C6HJK · pith_short_16: FVZVY47C6HJKWTSR · pith_short_8: FVZVY47C

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/FVZVY47C6HJKWTSRIXXB7ERIFA \
  | 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: 2d735c73e2f1d2ab4e5145ee1f9228281cbc2b86c5ff8a7c09b3c85224bd0ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9723d34635b0d8a7b9094de36fef8931b6c46b8702f10d3e9bcc3e1e7e71a79b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-06T06:24:59Z",
    "title_canon_sha256": "b3bad30a8c8376a608dcd2750cf3b36b584ad7d75dbd9f1cfdf256fe9daa5a64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01742",
    "kind": "arxiv",
    "version": 3
  }
}