Pith Number

pith:7UT4IURV

pith:2019:7UT4IURVGPQ3R42AHIIWN25RIY

not attested not anchored not stored refs pending

Not so Particular about Calibration: Smile Problem Resolved

Aitor Muguruza

arxiv:1909.13366 v1 · 2019-09-29 · q-fin.MF · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UT4IURVGPQ3R42AHIIWN25RIY}

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.

Cited by

1 paper in Pith

On the Weak Error for Local Stochastic Volatility Models

Receipt and verification

First computed	2026-07-05T00:08:09.647868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd27c4523533e1b8f3403a1166ebb14604a6f4484c454fecf7bf9529ad8ace76

Aliases

arxiv: 1909.13366 · arxiv_version: 1909.13366v1 · doi: 10.48550/arxiv.1909.13366 · pith_short_12: 7UT4IURVGPQ3 · pith_short_16: 7UT4IURVGPQ3R42A · pith_short_8: 7UT4IURV

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/7UT4IURVGPQ3R42AHIIWN25RIY \
  | 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: fd27c4523533e1b8f3403a1166ebb14604a6f4484c454fecf7bf9529ad8ace76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946ce0fa9cdac5597b32e089eb132a073881e1ff5f1f7b00d6d70e699555e34b",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2019-09-29T21:22:24Z",
    "title_canon_sha256": "b65286a2ecf8b297a8d274aec941ad981259b3ab66dad57d224c1cbaa556a610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13366",
    "kind": "arxiv",
    "version": 1
  }
}