Pith Number

pith:HK7YEZ7I

pith:2026:HK7YEZ7IVTXNN7LLRGKFFMDBL2

not attested not anchored not stored refs pending

Exponentially Fast Solution State Preparation for the Heat Equation and its use for Option Pricing

Gumaro Rendon, Sarvagya Upadhyay, Stepan Smid

arxiv:2605.28950 v1 · 2026-05-27 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK7YEZ7IVTXNN7LLRGKFFMDBL2}

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	2026-05-29T01:04:41.340370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3abf8267e8aceed6fd6b899452b0615e95c1cc3b0df5f7c43cf3e4971f05b5d1

Aliases

arxiv: 2605.28950 · arxiv_version: 2605.28950v1 · doi: 10.48550/arxiv.2605.28950 · pith_short_12: HK7YEZ7IVTXN · pith_short_16: HK7YEZ7IVTXNN7LL · pith_short_8: HK7YEZ7I

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/HK7YEZ7IVTXNN7LLRGKFFMDBL2 \
  | 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: 3abf8267e8aceed6fd6b899452b0615e95c1cc3b0df5f7c43cf3e4971f05b5d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7e47a0b876018c52b62451b522d331b491227ab42539c032f096581faf4b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-27T18:00:07Z",
    "title_canon_sha256": "10a47058ee5cc1486440911fa85534f3d22669c97b77da6a035cc20277d27e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28950",
    "kind": "arxiv",
    "version": 1
  }
}