Pith Number

pith:F4PRSMAG

pith:2025:F4PRSMAGKPS6TVRAIXXUNOCLRP

not attested not anchored not stored refs pending

A Cholesky decomposition-based asset selection heuristic for sparse tangent portfolio optimization

Haeun Jeon, Hyunglip Bae, Minsu Park, Woo Chang Kim, Yongjae Lee

arxiv:2502.11701 v1 · 2025-02-17 · q-fin.MF · q-fin.PM

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\usepackage{pith}
\pithnumber{F4PRSMAGKPS6TVRAIXXUNOCLRP}

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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

Decision-focused Sparse Tangent Portfolio Optimization

Receipt and verification

First computed	2026-07-05T10:15:32.589403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1f19300653e5e9d62045ef46b84b8bc67f4d58590b76ba2bff4f38e41318ae

Aliases

arxiv: 2502.11701 · arxiv_version: 2502.11701v1 · doi: 10.48550/arxiv.2502.11701 · pith_short_12: F4PRSMAGKPS6 · pith_short_16: F4PRSMAGKPS6TVRA · pith_short_8: F4PRSMAG

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/F4PRSMAGKPS6TVRAIXXUNOCLRP \
  | 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: 2f1f19300653e5e9d62045ef46b84b8bc67f4d58590b76ba2bff4f38e41318ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eee8ba7b05a047766b3859cadbfbb2c1817d1d3f04db7d35136f8551ef494e5",
    "cross_cats_sorted": [
      "q-fin.PM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2025-02-17T11:39:50Z",
    "title_canon_sha256": "c92155d040d1cfc0bf70b55157c156f3cc90c4e8f90f41c90ebffc27c3194935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11701",
    "kind": "arxiv",
    "version": 1
  }
}