Pith Number

pith:WPFFMUWC

pith:2025:WPFFMUWC3FF5O2VE7PWVZF6V5G

not attested not anchored not stored refs pending

Dynamic Factor Model-Based Multiperiod Mean-Variance Portfolio Selection with Portfolio Constraints

Chengneng Jin, Jianjun Gao, Xiangyu Cui, Yun Shi

arxiv:2502.17915 v1 · 2025-02-25 · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPFFMUWC3FF5O2VE7PWVZF6V5G}

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	2026-07-05T10:19:46.078977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ca5652c2d94bd76aa4fbed5c97d5e98a240245d87d93c792cfed29df60798d

Aliases

arxiv: 2502.17915 · arxiv_version: 2502.17915v1 · doi: 10.48550/arxiv.2502.17915 · pith_short_12: WPFFMUWC3FF5 · pith_short_16: WPFFMUWC3FF5O2VE · pith_short_8: WPFFMUWC

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/WPFFMUWC3FF5O2VE7PWVZF6V5G \
  | 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: b3ca5652c2d94bd76aa4fbed5c97d5e98a240245d87d93c792cfed29df60798d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39d885eaf1aaadc062c081c10d9d56b6ec7194e14a6176af0ff363af9857d98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2025-02-25T07:27:45Z",
    "title_canon_sha256": "3223cfaa4e75416188ecc69aa14768fef778c97c90cc6b6fe8b7ab707592ebcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17915",
    "kind": "arxiv",
    "version": 1
  }
}