Pith Number

pith:LL5VZTZP

pith:2025:LL5VZTZPI6LQ6LGRDGOMFUGUA3

not attested not anchored not stored refs pending

Empirical Models of the Time Evolution of SPX Option Prices

Alessio Brini, David A. Hsieh, David Ye, Patrick Kuiper, Sean Moushegian

arxiv:2506.17511 v1 · 2025-06-20 · 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{LL5VZTZPI6LQ6LGRDGOMFUGUA3}

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	2026-07-05T11:25:18.821418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5afb5ccf2f47970f2cd1199cc2d0d406f8bbc5421844a7c8dea520f645200b7b

Aliases

arxiv: 2506.17511 · arxiv_version: 2506.17511v1 · doi: 10.48550/arxiv.2506.17511 · pith_short_12: LL5VZTZPI6LQ · pith_short_16: LL5VZTZPI6LQ6LGR · pith_short_8: LL5VZTZP

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/LL5VZTZPI6LQ6LGRDGOMFUGUA3 \
  | 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: 5afb5ccf2f47970f2cd1199cc2d0d406f8bbc5421844a7c8dea520f645200b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39607060e73565168adccc40ff410f5f1128b166f895e41311ba4ef06cf2d1d",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2025-06-20T23:21:39Z",
    "title_canon_sha256": "2985aaef97030a55bdcdbb139c8fac12665d917d8c0d7f9031b226c7207af9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17511",
    "kind": "arxiv",
    "version": 1
  }
}