Pith Number

pith:ZN5M5NU7

pith:2026:ZN5M5NU7E3MUXYAWPYHJ6SFPL6

not attested not anchored not stored refs pending

Valuing American options and Flexible Forwards contracts in time-dependent models

Andrey Itkin, Leif Andersen, Rakhymzhan Kazbek

arxiv:2606.27335 v1 · 2026-06-25 · q-fin.CP · cs.NA · math.NA · q-fin.MF · 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{ZN5M5NU7E3MUXYAWPYHJ6SFPL6}

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	2026-06-26T01:16:19.068183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb7aceb69f26d94be0167e0e9f48af5f9472b324f97a0b235a395fd4a38acfa1

Aliases

arxiv: 2606.27335 · arxiv_version: 2606.27335v1 · doi: 10.48550/arxiv.2606.27335 · pith_short_12: ZN5M5NU7E3MU · pith_short_16: ZN5M5NU7E3MUXYAW · pith_short_8: ZN5M5NU7

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/ZN5M5NU7E3MUXYAWPYHJ6SFPL6 \
  | 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: cb7aceb69f26d94be0167e0e9f48af5f9472b324f97a0b235a395fd4a38acfa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81921ce53d9df63494dd74b1bd25bb30dc1bf7c9af98e35d38fcd99b5d6762bd",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "q-fin.MF",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2026-06-25T17:46:02Z",
    "title_canon_sha256": "faa147df3f5d1e17c3222d04a8f44deb32bfa4e63cb416396fbdcf1e9e27763f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27335",
    "kind": "arxiv",
    "version": 1
  }
}