Pith Number

pith:C536TU5P

pith:2024:C536TU5PC3AZ7667ATOGGSQSJP

not attested not anchored not stored refs pending

Dynamic ETF Portfolio Optimization Using enhanced Transformer-Based Models for Covariance and Semi-Covariance Prediction(Work in Progress)

Hengzhi Wu, Jiahao Zhu

arxiv:2411.19649 v1 · 2024-11-29 · q-fin.PM · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C536TU5PC3AZ7667ATOGGSQSJP}

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	2026-07-05T09:42:05.757611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1777e9d3af16c19ffbdf04dc634a124bd481a4eb48722a3d85e72194102c62b7

Aliases

arxiv: 2411.19649 · arxiv_version: 2411.19649v1 · doi: 10.48550/arxiv.2411.19649 · pith_short_12: C536TU5PC3AZ · pith_short_16: C536TU5PC3AZ7667 · pith_short_8: C536TU5P

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/C536TU5PC3AZ7667ATOGGSQSJP \
  | 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: 1777e9d3af16c19ffbdf04dc634a124bd481a4eb48722a3d85e72194102c62b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fae2008717c69dca35f2b4b8d44dc4fab15692fde281d80483e693ed55cfa98",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2024-11-29T12:05:30Z",
    "title_canon_sha256": "053d8e67ddfa25a1f99e8b6769e34ad8bb67c1b265f6c2c6f62bbccad6e06c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.19649",
    "kind": "arxiv",
    "version": 1
  }
}