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Pith Number

pith:VTTTXWIE

pith:2016:VTTTXWIEXNBZCOKL3EXM44VBNL
not attested not anchored not stored refs pending

Optimal shrinkage-based portfolio selection in high dimensions

Nestor Parolya, Taras Bodnar, Yarema Okhrin

arxiv:1611.01958 v5 · 2016-11-07 · q-fin.ST · math.ST · q-fin.PM · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VTTTXWIEXNBZCOKL3EXM44VBNL}

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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

Receipt and verification
First computed 2026-07-05T06:01:53.376739Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ace73bd904bb4391394bd92ece72a16aca3f180c746413eebfd7234686533b49

Aliases

arxiv: 1611.01958 · arxiv_version: 1611.01958v5 · doi: 10.48550/arxiv.1611.01958 · pith_short_12: VTTTXWIEXNBZ · pith_short_16: VTTTXWIEXNBZCOKL · pith_short_8: VTTTXWIE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VTTTXWIEXNBZCOKL3EXM44VBNL \
  | 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: ace73bd904bb4391394bd92ece72a16aca3f180c746413eebfd7234686533b49
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b15e31cf814463c951486defd7b0f45a38586f49d92f2d2469edd64ca3642d2d",
    "cross_cats_sorted": [
      "math.ST",
      "q-fin.PM",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2016-11-07T09:42:11Z",
    "title_canon_sha256": "aca548d09f956c46051b36bc62da3f8c2e227b25548d22695ff95be760be2473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01958",
    "kind": "arxiv",
    "version": 5
  }
}