Pith Number

pith:BAMVJOJO

pith:2024:BAMVJOJOBNWXDEH2VGUZEDGA74

not attested not anchored not stored refs pending

Markowitz Portfolio Construction at Seventy

Kasper Johansson, Philipp Schiele, Ronald Kahn, Stephen Boyd, Thomas Schmelzer

arxiv:2401.05080 v1 · 2024-01-10 · q-fin.PM · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BAMVJOJOBNWXDEH2VGUZEDGA74}

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.

Cited by

2 papers in Pith

Generating Input Distributions for Explaining Portfolio Optimization Pipelines

DASH: A Dimensionality Reduction Method for Large-scale Convex MIQP with Applications in Subset Portfolio Selection

Receipt and verification

First computed	2026-07-05T07:32:02.793576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

081954b92e0b6d7190faa9a9920cc0ff00aeff9b2d92c9a43886203bb8f463ac

Aliases

arxiv: 2401.05080 · arxiv_version: 2401.05080v1 · doi: 10.48550/arxiv.2401.05080 · pith_short_12: BAMVJOJOBNWX · pith_short_16: BAMVJOJOBNWXDEH2 · pith_short_8: BAMVJOJO

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/BAMVJOJOBNWXDEH2VGUZEDGA74 \
  | 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: 081954b92e0b6d7190faa9a9920cc0ff00aeff9b2d92c9a43886203bb8f463ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9cd61aefaacf806ed6df96fa1d673ee8cbd773b7b89553104cc5db1c3922657",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2024-01-10T11:26:59Z",
    "title_canon_sha256": "eccde4eca197707f0b143752f9fde7348add77efc2598359671d2f3ce606c4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.05080",
    "kind": "arxiv",
    "version": 1
  }
}