Pith Number

pith:VG2OCWO4

pith:2025:VG2OCWO4EKLV7MGGTNJDDYQE6Q

not attested not anchored not stored refs pending

Exploratory Mean-Variance Portfolio Optimization with Regime-Switching Market Dynamics

Bin Li, David Saunders, Yuling Max Chen

arxiv:2501.16659 v1 · 2025-01-28 · q-fin.PM · q-fin.MF · q-fin.ST · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG2OCWO4EKLV7MGGTNJDDYQE6Q}

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	2026-07-05T10:06:16.535109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b4e159dc22975fb0c69b5231e204f40506b6c3806d2bfffa15f340b70b96b0

Aliases

arxiv: 2501.16659 · arxiv_version: 2501.16659v1 · doi: 10.48550/arxiv.2501.16659 · pith_short_12: VG2OCWO4EKLV · pith_short_16: VG2OCWO4EKLV7MGG · pith_short_8: VG2OCWO4

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/VG2OCWO4EKLV7MGGTNJDDYQE6Q \
  | 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: a9b4e159dc22975fb0c69b5231e204f40506b6c3806d2bfffa15f340b70b96b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791c28ba829fd98f09d3b0dbfddeea434932926d2faf5f5ddf095c6b20c03e7e",
    "cross_cats_sorted": [
      "q-fin.MF",
      "q-fin.ST",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2025-01-28T02:48:41Z",
    "title_canon_sha256": "7e1bbfabfc1a9929c1aa9138ff16098a26f0dd614da4c2dc77d4f2ce006691e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16659",
    "kind": "arxiv",
    "version": 1
  }
}