Pith Number

pith:OUFNGDKQ

pith:2001:OUFNGDKQ5SYQH2NWOKPOQ7MILF

not attested not anchored not stored refs pending

Pricing formulas, model error and hedging derivative portfolios

T. R. Hurd

arxiv:cond-mat/0108549 v1 · 2001-08-31 · cond-mat.dis-nn · 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{OUFNGDKQ5SYQH2NWOKPOQ7MILF}

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	2026-07-04T15:32:57.008675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

750ad30d50ecb103e9b6729ee87d8859646777cff531a4962f3c52a49cd2af0e

Aliases

arxiv: cond-mat/0108549 · arxiv_version: cond-mat/0108549v1 · doi: 10.48550/arxiv.cond-mat/0108549 · pith_short_12: OUFNGDKQ5SYQ · pith_short_16: OUFNGDKQ5SYQH2NW · pith_short_8: OUFNGDKQ

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/OUFNGDKQ5SYQH2NWOKPOQ7MILF \
  | 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: 750ad30d50ecb103e9b6729ee87d8859646777cff531a4962f3c52a49cd2af0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b056c8fe5051693723e6173bc3838281d27efc4f04e74f30357173774a12986a",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2001-08-31T21:34:17Z",
    "title_canon_sha256": "18dbc7f9b115d5d9f765529667e1f4618678f400a5cb6396752bdd0baae22f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0108549",
    "kind": "arxiv",
    "version": 1
  }
}