Pith Number

pith:CX4YXPXV

pith:2017:CX4YXPXVE4Z62CUUSNBKDG7SED

not attested not anchored not stored refs pending

Sparse principal component analysis and its $l_1$-relaxation

Guanyi Wang, Marco Molinaro, Rahul Mazumder, Santanu S. Dey

arxiv:1712.00800 v1 · 2017-12-03 · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CX4YXPXVE4Z62CUUSNBKDG7SED}

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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 Randomized Algorithm for Sparse PCA based on the Basic SDP Relaxation

Receipt and verification

First computed	2026-05-18T00:29:00.365530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15f98bbef52733ed0a949342a19bf220f29e1553d0788ea4f9266e38781376b2

Aliases

arxiv: 1712.00800 · arxiv_version: 1712.00800v1 · doi: 10.48550/arxiv.1712.00800 · pith_short_12: CX4YXPXVE4Z6 · pith_short_16: CX4YXPXVE4Z62CUU · pith_short_8: CX4YXPXV

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/CX4YXPXVE4Z62CUUSNBKDG7SED \
  | 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: 15f98bbef52733ed0a949342a19bf220f29e1553d0788ea4f9266e38781376b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d6a4fa29df09fff8b1cb13b19768179e0ec74e25fe7cebe0376279e95194b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-03T17:11:39Z",
    "title_canon_sha256": "fedc4cae9577f22a55885251301f2402deb74c44abb0aacfa8ccd25fb87d971f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00800",
    "kind": "arxiv",
    "version": 1
  }
}