Pith Number

pith:OSCIV7Q7

pith:2025:OSCIV7Q7KEPEAM3X65LUROIMEE

not attested not anchored not stored refs pending

A Scalable Gradient-Based Optimization Framework for Sparse Minimum-Variance Portfolio Selection

Matias Quiroz, Samuel Muller, Sarat Moka, Vali Asimit

arxiv:2505.10099 v1 · 2025-05-15 · stat.ML · cs.LG · math.OC · q-fin.PM

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\usepackage{pith}
\pithnumber{OSCIV7Q7KEPEAM3X65LUROIMEE}

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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

2 papers in Pith

DASH: A Dimensionality Reduction Method for Large-scale Convex MIQP with Applications in Subset Portfolio Selection

How does academic performance affect self-efficacy? Interpretable modelling through latent academic achievement

Receipt and verification

First computed	2026-07-05T11:03:33.249816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74848afe1f511e403377f75748b90c2107047a1870b386da6d033271b4d2ce34

Aliases

arxiv: 2505.10099 · arxiv_version: 2505.10099v1 · doi: 10.48550/arxiv.2505.10099 · pith_short_12: OSCIV7Q7KEPE · pith_short_16: OSCIV7Q7KEPEAM3X · pith_short_8: OSCIV7Q7

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/OSCIV7Q7KEPEAM3X65LUROIMEE \
  | 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: 74848afe1f511e403377f75748b90c2107047a1870b386da6d033271b4d2ce34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f49c29626a58d7f5763bb02ff0d725a0f79aed0850aa90551e5fc8aca6a8ed",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-05-15T09:01:07Z",
    "title_canon_sha256": "c24dfb3d56c551c13b9dcf3fa3dddf0593570d3f287deffc600d8581ee267db6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10099",
    "kind": "arxiv",
    "version": 1
  }
}