Pith Number

pith:SK4ZOJ2X

pith:2026:SK4ZOJ2XB2NLUZM4EPX632UM2R

not attested not anchored not stored refs pending

Volatility Surface Reconstruction using Deep Learning under No-Arbitrage Constraints

Pablo Rodriguez Manzi

arxiv:2605.24031 v1 · 2026-05-20 · q-fin.CP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SK4ZOJ2XB2NLUZM4EPX632UM2R}

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	2026-05-26T01:02:41.940699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92b99727570e9aba659c23efedea8cd4632d7bbbf190f591f197f4cf8b3e6563

Aliases

arxiv: 2605.24031 · arxiv_version: 2605.24031v1 · doi: 10.48550/arxiv.2605.24031 · pith_short_12: SK4ZOJ2XB2NL · pith_short_16: SK4ZOJ2XB2NLUZM4 · pith_short_8: SK4ZOJ2X

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/SK4ZOJ2XB2NLUZM4EPX632UM2R \
  | 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: 92b99727570e9aba659c23efedea8cd4632d7bbbf190f591f197f4cf8b3e6563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b690fea80d7579f1e78adfdecdb8132fafbcef9f185eddd26dbd1680fe97c9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2026-05-20T18:39:20Z",
    "title_canon_sha256": "54d03c2d8ed1305f9560875c01d7aadba0935d7aca74ad3f210cca31e6a76efc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24031",
    "kind": "arxiv",
    "version": 1
  }
}