Pith Number

pith:USIGSBZR

pith:2019:USIGSBZRF2VNPWGUHLBUACX4ZE

not attested not anchored not stored refs pending

Portfolio Cuts: A Graph-Theoretic Framework to Diversification

Anthony G. Constantinides, Bruno Scalzo Dees, Danilo P. Mandic, Ljubisa Stankovic

arxiv:1910.05561 v3 · 2019-10-12 · eess.SP · cs.IT · math.IT · q-fin.PM · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USIGSBZRF2VNPWGUHLBUACX4ZE}

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	2026-07-05T00:12:30.439495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4906907312eaad7d8d43ac3400afcc92780def91a259155f29cc64a5b75562e

Aliases

arxiv: 1910.05561 · arxiv_version: 1910.05561v3 · doi: 10.48550/arxiv.1910.05561 · pith_short_12: USIGSBZRF2VN · pith_short_16: USIGSBZRF2VNPWGU · pith_short_8: USIGSBZR

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/USIGSBZRF2VNPWGUHLBUACX4ZE \
  | 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: a4906907312eaad7d8d43ac3400afcc92780def91a259155f29cc64a5b75562e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1258b735d4f6a3f364339e5764df4e0e26549548fdb61e7505a397124069f5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "q-fin.PM",
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-10-12T13:19:00Z",
    "title_canon_sha256": "055ba06cc1f8cd4f2c9be0bc25388295f2fea02e0e3381a6aa193a6dcfc73724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05561",
    "kind": "arxiv",
    "version": 3
  }
}