Pith Number

pith:GIBA7JCB

pith:2025:GIBA7JCBCKC4UPN2LRYVNQQGIE

not attested not anchored not stored refs pending

Enhancing Black-Litterman Portfolio via Hybrid Forecasting Model Combining Multivariate Decomposition and Noise Reduction

Jerome Yen, Ke Lu, Yang Wang, Ziye Yang

arxiv:2505.01781 v2 · 2025-05-03 · cs.CE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GIBA7JCBCKC4UPN2LRYVNQQGIE}

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	2026-07-05T11:09:12.558074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32020fa4411285ca3dba5c7156c206410740b58156b7718bafaf79557af02942

Aliases

arxiv: 2505.01781 · arxiv_version: 2505.01781v2 · doi: 10.48550/arxiv.2505.01781 · pith_short_12: GIBA7JCBCKC4 · pith_short_16: GIBA7JCBCKC4UPN2 · pith_short_8: GIBA7JCB

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/GIBA7JCBCKC4UPN2LRYVNQQGIE \
  | 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: 32020fa4411285ca3dba5c7156c206410740b58156b7718bafaf79557af02942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12dde0d5ae9deadd340146a274a84a7998ff00324e8b8e43b884e35ff528f526",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-05-03T10:52:57Z",
    "title_canon_sha256": "7a4804070b111009a329173199b4b1e67373ddc9c48c8ca3b86067b027e38d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01781",
    "kind": "arxiv",
    "version": 2
  }
}