Pith Number

pith:UHIUF5EF

pith:2011:UHIUF5EFXBFNSF4LUIZMSB5AXY

not attested not anchored not stored refs pending

Joint variable and rank selection for parsimonious estimation of high-dimensional matrices

Florentina Bunea, Marten H. Wegkamp, Yiyuan She

arxiv:1110.3556 v4 · 2011-10-17 · math.ST · stat.ME · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHIUF5EFXBFNSF4LUIZMSB5AXY}

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	2026-05-18T03:33:50.225087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d142f485b84ad9178ba232c907a0be3e19486a93e6734fcbab42cc8b7e8b4b

Aliases

arxiv: 1110.3556 · arxiv_version: 1110.3556v4 · doi: 10.48550/arxiv.1110.3556 · pith_short_12: UHIUF5EFXBFN · pith_short_16: UHIUF5EFXBFNSF4L · pith_short_8: UHIUF5EF

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/UHIUF5EFXBFNSF4LUIZMSB5AXY \
  | 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: a1d142f485b84ad9178ba232c907a0be3e19486a93e6734fcbab42cc8b7e8b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f117431cdccb2eb5e0ea01c4a276dd40d6b488e528bc069c4d3f69e790bcc5d",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-10-17T02:11:00Z",
    "title_canon_sha256": "f31568a8f8a4226920f5414e664b07c9dd3bcad458e822ec995b024844cea04e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3556",
    "kind": "arxiv",
    "version": 4
  }
}