Pith Number

pith:W2TMVWQ5

pith:2025:W2TMVWQ5WKGUG6XPIVCNQFVHC3

not attested not anchored not stored refs pending

Fast Derivative Valuation from Volatility Surfaces using Machine Learning

Egang Lu, Kin Cheung, Lijie Ding

arxiv:2505.22957 v1 · 2025-05-29 · 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{W2TMVWQ5WKGUG6XPIVCNQFVHC3}

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	2026-07-05T11:11:52.748668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a6cada1db28d437aef4544d816a716ce22a31816e3a00915b098b265c9dd6e

Aliases

arxiv: 2505.22957 · arxiv_version: 2505.22957v1 · doi: 10.48550/arxiv.2505.22957 · pith_short_12: W2TMVWQ5WKGU · pith_short_16: W2TMVWQ5WKGUG6XP · pith_short_8: W2TMVWQ5

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/W2TMVWQ5WKGUG6XPIVCNQFVHC3 \
  | 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: b6a6cada1db28d437aef4544d816a716ce22a31816e3a00915b098b265c9dd6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3dadc752f503c3ce8faa0daf28be0285660829475d5b2042038f5e567fb1251",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2025-05-29T00:42:56Z",
    "title_canon_sha256": "ea54cf80779070524202ab6453470551c588acb8235c76fb526e5ce85d5caff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22957",
    "kind": "arxiv",
    "version": 1
  }
}