Pith Number

pith:KGPXHXVG

pith:2023:KGPXHXVG5G32YJQFZSWQ3XDHXD

not attested not anchored not stored refs pending

Joint calibration to SPX and VIX options with signature-based models

Christa Cuchiero, Guido Gazzani, Janka M\"oller, Sara Svaluto-Ferro

arxiv:2301.13235 v2 · 2023-01-30 · q-fin.MF · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KGPXHXVG5G32YJQFZSWQ3XDHXD}

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	2026-07-05T08:47:05.059740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

519f73dea6e9b7ac2605ccad0ddc67b8d2939bee3824b998e500018137d4be1c

Aliases

arxiv: 2301.13235 · arxiv_version: 2301.13235v2 · doi: 10.48550/arxiv.2301.13235 · pith_short_12: KGPXHXVG5G32 · pith_short_16: KGPXHXVG5G32YJQF · pith_short_8: KGPXHXVG

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/KGPXHXVG5G32YJQFZSWQ3XDHXD \
  | 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: 519f73dea6e9b7ac2605ccad0ddc67b8d2939bee3824b998e500018137d4be1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b03f1e2088ea55d0175e0d017fd2f933078c15893785f498111996eae1088a",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2023-01-30T19:03:01Z",
    "title_canon_sha256": "09938a757ed1cf234cde36619fd7e47659e198d407388bc47e56f5007f13e287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13235",
    "kind": "arxiv",
    "version": 2
  }
}