Pith Number

pith:YNKFZXXO

pith:2019:YNKFZXXOLNLCPLSTA5EVFVNOLV

not attested not anchored not stored refs pending

An Approach to Efficient Fitting of Univariate and Multivariate Stochastic Volatility Models

Chen Gong, David S. Stoffer

arxiv:1907.08372 v1 · 2019-07-19 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNKFZXXOLNLCPLSTA5EVFVNOLV}

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	2026-05-17T23:40:10.064480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3545cdeee5b5627ae53074952d5ae5d6ac79ee6fba0c5c0b1513a89b00b88bb

Aliases

arxiv: 1907.08372 · arxiv_version: 1907.08372v1 · doi: 10.48550/arxiv.1907.08372 · pith_short_12: YNKFZXXOLNLC · pith_short_16: YNKFZXXOLNLCPLST · pith_short_8: YNKFZXXO

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/YNKFZXXOLNLCPLSTA5EVFVNOLV \
  | 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: c3545cdeee5b5627ae53074952d5ae5d6ac79ee6fba0c5c0b1513a89b00b88bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11130f3a947996e279c724f9ba2250eea3eaef1b9c3f64050ee30cd67ee360f8",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-07-19T04:58:10Z",
    "title_canon_sha256": "1dec4eaafac61f66f78b46534169cde209eee3b3cb7985d785e963a18debf5b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08372",
    "kind": "arxiv",
    "version": 1
  }
}