Pith Number

pith:6L6IHNIT

pith:2005:6L6IHNIT4HSN5RE6OK7DT2GLKU

not attested not anchored not stored refs pending

Optimal hedging of Derivatives with transaction costs

Erik Aurell, Paolo Muratore-Ginanneschi

arxiv:physics/0509150 v2 · 2005-09-16 · physics.soc-ph · 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{6L6IHNIT4HSN5RE6OK7DT2GLKU}

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	2026-05-18T04:19:23.580926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2fc83b513e1e4dec49e72be39e8cb550d48324e07fdb4fcb59511651a7083d6

Aliases

arxiv: physics/0509150 · arxiv_version: physics/0509150v2 · doi: 10.48550/arxiv.physics/0509150 · pith_short_12: 6L6IHNIT4HSN · pith_short_16: 6L6IHNIT4HSN5RE6 · pith_short_8: 6L6IHNIT

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/6L6IHNIT4HSN5RE6OK7DT2GLKU \
  | 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: f2fc83b513e1e4dec49e72be39e8cb550d48324e07fdb4fcb59511651a7083d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b890b699576063d63a606c3e4ddd5de309d47e6cd3911ee5b06ccf48be3737e",
    "cross_cats_sorted": [
      "q-fin.PR"
    ],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2005-09-16T15:51:26Z",
    "title_canon_sha256": "fc06d9be6c319c9dd60f1171aea31c5799f8912291f265cbd56c965caaad7fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0509150",
    "kind": "arxiv",
    "version": 2
  }
}