Pith Number

pith:YG27DSWH

pith:2016:YG27DSWH4T57AZ35SG4LJMV4N2

not attested not anchored not stored refs pending

Replica approach to mean-variance portfolio optimization

Fabio Caccioli, Imre Kondor, Istvan Varga-Haszonits

arxiv:1606.08679 v1 · 2016-06-28 · q-fin.PM · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YG27DSWH4T57AZ35SG4LJMV4N2}

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	2026-05-18T00:53:25.903682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b5f1cac7e4fbf0677d91b8b4b2bc6e83eb7d04d4acc54484592bc662dfebc2

Aliases

arxiv: 1606.08679 · arxiv_version: 1606.08679v1 · doi: 10.48550/arxiv.1606.08679 · pith_short_12: YG27DSWH4T57 · pith_short_16: YG27DSWH4T57AZ35 · pith_short_8: YG27DSWH

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/YG27DSWH4T57AZ35SG4LJMV4N2 \
  | 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: c1b5f1cac7e4fbf0677d91b8b4b2bc6e83eb7d04d4acc54484592bc662dfebc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a53b4da797e955918921d57868f01e5ccee17e1e57670c727aac28164958575f",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2016-06-28T13:04:49Z",
    "title_canon_sha256": "949a0a8b453cc76c231114def070561ab28e56a4216c03343523f199107c962b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08679",
    "kind": "arxiv",
    "version": 1
  }
}