Pith Number

pith:IO2KOFIP

pith:2018:IO2KOFIPDFDBVYUVHNID4346ZR

not attested not anchored not stored refs pending

Combining Independent Smart Beta Strategies for Portfolio Optimization

Karl Moffett, Phil Maguire, Rebecca Maguire

arxiv:1808.02505 v2 · 2018-08-07 · 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{IO2KOFIPDFDBVYUVHNID4346ZR}

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	2026-05-18T00:08:27.818424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b4a7150f19461ae2953b503e6f9ecc6daffb4a7c7590c6774b1e4413e50420

Aliases

arxiv: 1808.02505 · arxiv_version: 1808.02505v2 · doi: 10.48550/arxiv.1808.02505 · pith_short_12: IO2KOFIPDFDB · pith_short_16: IO2KOFIPDFDBVYUV · pith_short_8: IO2KOFIP

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/IO2KOFIPDFDBVYUVHNID4346ZR \
  | 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: 43b4a7150f19461ae2953b503e6f9ecc6daffb4a7c7590c6774b1e4413e50420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc307a3b963b2fe07f90378ca14c831b963e9fc56b5d9f882562b47146b8476c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2018-08-07T18:30:18Z",
    "title_canon_sha256": "38760a5287e84ec4735ab65f714320f2bde828784a7b5932e9a03cba1d188525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02505",
    "kind": "arxiv",
    "version": 2
  }
}