Pith Number

pith:TJZK7PQO

pith:2026:TJZK7PQOPF6O5J2U3AUTC4G6P5

not attested not anchored not stored refs pending

Designing On-Chain Options: Amortizing Perpetual Options

Maxim Bichuch, Zachary Feinstein

arxiv:2605.19146 v1 · 2026-05-18 · q-fin.MF · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJZK7PQOPF6O5J2U3AUTC4G6P5}

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	2026-05-20T01:05:29.442371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a72afbe0e797ceea754d8293170de7f77a65200f02adb16556e33cbeba1c012

Aliases

arxiv: 2605.19146 · arxiv_version: 2605.19146v1 · doi: 10.48550/arxiv.2605.19146 · pith_short_12: TJZK7PQOPF6O · pith_short_16: TJZK7PQOPF6O5J2U · pith_short_8: TJZK7PQO

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/TJZK7PQOPF6O5J2U3AUTC4G6P5 \
  | 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: 9a72afbe0e797ceea754d8293170de7f77a65200f02adb16556e33cbeba1c012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c43f6d0f3ede7005908a5592df48f0a81a261af0637701839f6b692393d1af",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2026-05-18T21:56:19Z",
    "title_canon_sha256": "b404d25ae11e1539fdf003e43af72a24106a3a0b2325f544798ca77493516198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19146",
    "kind": "arxiv",
    "version": 1
  }
}