Pith Number

pith:XX5MTL5Q

pith:2013:XX5MTL5QB4ILHHKM6WP4C7LL75

not attested not anchored not stored refs pending

USLV: Unspanned Stochastic Local Volatility Model

Andrey Itkin, Igor Halperin

arxiv:1301.4442 v2 · 2013-01-18 · q-fin.PR · 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{XX5MTL5QB4ILHHKM6WP4C7LL75}

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	2026-05-18T03:29:39.062228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdfac9afb00f10b39d4cf59fc17d6bff4f1e84608d6541d210f7a309281f7ff9

Aliases

arxiv: 1301.4442 · arxiv_version: 1301.4442v2 · doi: 10.48550/arxiv.1301.4442 · pith_short_12: XX5MTL5QB4IL · pith_short_16: XX5MTL5QB4ILHHKM · pith_short_8: XX5MTL5Q

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/XX5MTL5QB4ILHHKM6WP4C7LL75 \
  | 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: bdfac9afb00f10b39d4cf59fc17d6bff4f1e84608d6541d210f7a309281f7ff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d219735a0e6df02e3d729075c1312087e2fdcf88d86945eee139cf779ac3275a",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2013-01-18T17:39:24Z",
    "title_canon_sha256": "37842e64ee655c99bc01ab10a70dfb9dc09c792f9045375d349791c1368ea997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4442",
    "kind": "arxiv",
    "version": 2
  }
}