Pith Number

pith:BTXIQOL3

pith:2012:BTXIQOL3OJ4GHMMAFULSHIMXKO

not attested not anchored not stored refs pending

The Exact Smile of some Local Volatility Models

Matthew Lorig

arxiv:1207.0750 v4 · 2012-07-03 · q-fin.CP · q-fin.GN · q-fin.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{BTXIQOL3OJ4GHMMAFULSHIMXKO}

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	2026-05-18T03:41:12.371391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cee88397b727863b1802d1723a19753b57ddff3d33b4a36ef8d4cac859f8bcf

Aliases

arxiv: 1207.0750 · arxiv_version: 1207.0750v4 · doi: 10.48550/arxiv.1207.0750 · pith_short_12: BTXIQOL3OJ4G · pith_short_16: BTXIQOL3OJ4GHMMA · pith_short_8: BTXIQOL3

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/BTXIQOL3OJ4GHMMAFULSHIMXKO \
  | 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: 0cee88397b727863b1802d1723a19753b57ddff3d33b4a36ef8d4cac859f8bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac080e628cef2b5c60253c7568d6c3c49b5b77229c623254ddeb61b8b5f20ac",
    "cross_cats_sorted": [
      "q-fin.GN",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2012-07-03T17:02:57Z",
    "title_canon_sha256": "ba70e61620136ad88e1c2d65be1cec32e5407e181f7842f2633ad6f8f7e53aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0750",
    "kind": "arxiv",
    "version": 4
  }
}