Pith Number

pith:HY33BDKU

pith:2018:HY33BDKU7SZ3LE6R5DKZU3KOYQ

not attested not anchored not stored refs pending

On smile properties of volatility derivatives and exotic products: understanding the VIX skew

Aitor Muguruza, David Garc\'ia-Lorite, Elisa Al\`os

arxiv:1808.03610 v1 · 2018-08-10 · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HY33BDKU7SZ3LE6R5DKZU3KOYQ}

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	2026-05-18T00:08:24.548964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e37b08d54fcb3b593d1e8d59a6d4ec41b9454d3aae6b055e9fc9554ac01eec9

Aliases

arxiv: 1808.03610 · arxiv_version: 1808.03610v1 · doi: 10.48550/arxiv.1808.03610 · pith_short_12: HY33BDKU7SZ3 · pith_short_16: HY33BDKU7SZ3LE6R · pith_short_8: HY33BDKU

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/HY33BDKU7SZ3LE6R5DKZU3KOYQ \
  | 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: 3e37b08d54fcb3b593d1e8d59a6d4ec41b9454d3aae6b055e9fc9554ac01eec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b6115f859b0cc9a7dbf8e82d5f42bdedf1989529bb4495df906b9fed8ca966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2018-08-10T16:32:26Z",
    "title_canon_sha256": "7b2453d568099bb3cf0131aee9b9b86aa602d78e0376199636b28e54ab6e4348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03610",
    "kind": "arxiv",
    "version": 1
  }
}