Pith Number

pith:PLUDRLGK

pith:2025:PLUDRLGKYMOFQ3I3Y7PRCEQNWK

not attested not anchored not stored refs pending

A Deep Learning Framework for Medium-Term Covariance Forecasting in Multi-Asset Portfolios

Ana Paula Serra, Jo\~ao Gama, Pedro Reis

arxiv:2503.01581 v2 · 2025-03-03 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLUDRLGKYMOFQ3I3Y7PRCEQNWK}

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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

End-to-End Large Portfolio Optimization for Variance Minimization with Neural Networks through Covariance Cleaning

Receipt and verification

First computed	2026-05-21T01:04:13.175767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae838accac31c586d1bc7df11120db2846f786b3ea97969b35f141ffe0a7741

Aliases

arxiv: 2503.01581 · arxiv_version: 2503.01581v2 · doi: 10.48550/arxiv.2503.01581 · pith_short_12: PLUDRLGKYMOF · pith_short_16: PLUDRLGKYMOFQ3I3 · pith_short_8: PLUDRLGK

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/PLUDRLGKYMOFQ3I3Y7PRCEQNWK \
  | 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: 7ae838accac31c586d1bc7df11120db2846f786b3ea97969b35f141ffe0a7741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620b62d170fa5f4b3d1ffbf70f07fc73ab5cae76a118157c64740e374882bdd9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-03-03T14:23:28Z",
    "title_canon_sha256": "064b605731661e1251955906805c34dc2a0f554378f9eafd728fe6917e8558ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01581",
    "kind": "arxiv",
    "version": 2
  }
}