Pith Number

pith:AD7SD32B

pith:2011:AD7SD32BDMQOIUOD22N2BJXRX3

not attested not anchored not stored refs pending

Implied Volatility Surface: Construction Methodologies and Characteristics

Cristian Homescu

arxiv:1107.1834 v1 · 2011-07-10 · q-fin.CP · 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{AD7SD32BDMQOIUOD22N2BJXRX3}

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	2026-05-18T04:18:34.069769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00ff21ef411b20e451c3d69ba0a6f1beef2c5268029357c8baa88c1f921268fc

Aliases

arxiv: 1107.1834 · arxiv_version: 1107.1834v1 · doi: 10.48550/arxiv.1107.1834 · pith_short_12: AD7SD32BDMQO · pith_short_16: AD7SD32BDMQOIUOD · pith_short_8: AD7SD32B

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/AD7SD32BDMQOIUOD22N2BJXRX3 \
  | 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: 00ff21ef411b20e451c3d69ba0a6f1beef2c5268029357c8baa88c1f921268fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f4e2795cfa6d7e2efc5801cc068d6754c347e3732954fb5f8a36d5717ecfa7",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2011-07-10T04:50:23Z",
    "title_canon_sha256": "fb7ec553e7e46a531afdec57a4baa5c1aea59dd2d90ddbfc94fc57fad17a7c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1834",
    "kind": "arxiv",
    "version": 1
  }
}