Pith Number

pith:SMQ3ZBMC

pith:2025:SMQ3ZBMCVJ5WKDFTG74C75YLVB

not attested not anchored not stored refs pending

Fast reliable pricing and calibration of the rough Heston model

Marco de Innocentis, Sergei Levendorski\u{i}, Svetlana Boyarchenko

arxiv:2508.15080 v3 · 2025-08-20 · 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{SMQ3ZBMCVJ5WKDFTG74C75YLVB}

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	2026-07-01T01:17:10.684580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9321bc8582aa7b650cb337f82ff70ba85bebc3975908b8c58c669edd56c4bbb1

Aliases

arxiv: 2508.15080 · arxiv_version: 2508.15080v3 · doi: 10.48550/arxiv.2508.15080 · pith_short_12: SMQ3ZBMCVJ5W · pith_short_16: SMQ3ZBMCVJ5WKDFT · pith_short_8: SMQ3ZBMC

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/SMQ3ZBMCVJ5WKDFTG74C75YLVB \
  | 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: 9321bc8582aa7b650cb337f82ff70ba85bebc3975908b8c58c669edd56c4bbb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ddd7a2fcfc5017d17f33ada6e1ae17b10cccf6850013b4715ffde820930bbf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2025-08-20T21:36:22Z",
    "title_canon_sha256": "e67a74ff5aefd3811bb29aea95382a1a5e25b3d1ef68f25e5acf32451e5fa01a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15080",
    "kind": "arxiv",
    "version": 3
  }
}