Pith Number

pith:OOSRQKLT

pith:2012:OOSRQKLTUXUSI4SBBLL7K7CFJI

not attested not anchored not stored refs pending

On the non-stationarity of financial time series: impact on optimal portfolio selection

Enrico Scalas, Giacomo Livan, Jun-ichi Inoue

arxiv:1205.0877 v3 · 2012-05-04 · q-fin.ST · physics.data-an · 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{OOSRQKLTUXUSI4SBBLL7K7CFJI}

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	2026-05-18T03:50:08.980364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a5182973a5e92472410ad7f57c454a04de633d9b7e7b6d311a1d80382c48b5

Aliases

arxiv: 1205.0877 · arxiv_version: 1205.0877v3 · doi: 10.48550/arxiv.1205.0877 · pith_short_12: OOSRQKLTUXUS · pith_short_16: OOSRQKLTUXUSI4SB · pith_short_8: OOSRQKLT

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/OOSRQKLTUXUSI4SBBLL7K7CFJI \
  | 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: 73a5182973a5e92472410ad7f57c454a04de633d9b7e7b6d311a1d80382c48b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c95734343ae1ee026704c7cdeb461c758d04a6ee55627a397f1b27e887adfe5",
    "cross_cats_sorted": [
      "physics.data-an",
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2012-05-04T08:04:42Z",
    "title_canon_sha256": "b04270d3bae6739d6169dfcae57376cf7754db89df090b33ce525ce2d7faa761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0877",
    "kind": "arxiv",
    "version": 3
  }
}