Pith Number

pith:PCZEPELH

pith:2018:PCZEPELHRGSPS3UWVLIMDBPYM7

not attested not anchored not stored refs pending

Derivatives pricing using signature payoffs

Imanol Perez Arribas

arxiv:1809.09466 v1 · 2018-09-25 · q-fin.CP · q-fin.MF · q-fin.PR

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

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	2026-05-18T00:04:53.218961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b247916789a4f96e96aad0c185f867dded4fcaff0ff170ae032c8bb9ace958

Aliases

arxiv: 1809.09466 · arxiv_version: 1809.09466v1 · doi: 10.48550/arxiv.1809.09466 · pith_short_12: PCZEPELHRGSP · pith_short_16: PCZEPELHRGSPS3UW · pith_short_8: PCZEPELH

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/PCZEPELHRGSPS3UWVLIMDBPYM7 \
  | 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: 78b247916789a4f96e96aad0c185f867dded4fcaff0ff170ae032c8bb9ace958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd571e061371b1f69ba100f2e173602555c6d65b2208f0b5e0104014348bcf6",
    "cross_cats_sorted": [
      "q-fin.MF",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2018-09-25T13:30:12Z",
    "title_canon_sha256": "6a5af03316de55dbd5221a9bc5cd6c0215b021f200ed58e3530aca2b2d5efbd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09466",
    "kind": "arxiv",
    "version": 1
  }
}