Pith Number

pith:2WGL2DZ2

pith:2026:2WGL2DZ2ELEWCSKF7EAHHBTJO7

not attested not anchored not stored refs pending

TokaGrad: End-to-end differentiable tokamak simulator for L-to-H full scenario optimization

Jaemin Seo

arxiv:2607.09088 v1 · 2026-07-10 · math-ph · math.MP · physics.plasm-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{2WGL2DZ2ELEWCSKF7EAHHBTJO7}

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	2026-07-13T00:17:40.739990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d58cbd0f3a22c9614945f90073866977e8eeea61b8ad605ac952d145246138d1

Aliases

arxiv: 2607.09088 · arxiv_version: 2607.09088v1 · doi: 10.48550/arxiv.2607.09088 · pith_short_12: 2WGL2DZ2ELEW · pith_short_16: 2WGL2DZ2ELEWCSKF · pith_short_8: 2WGL2DZ2

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/2WGL2DZ2ELEWCSKF7EAHHBTJO7 \
  | 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: d58cbd0f3a22c9614945f90073866977e8eeea61b8ad605ac952d145246138d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402cd987024411d90cfb40397d16151b8eff1f0732e4511b54a13be549c3ce41",
    "cross_cats_sorted": [
      "math.MP",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-07-10T04:09:03Z",
    "title_canon_sha256": "5c903643cb6fecba00b070c4c4708d6fe7926f70fcc651f86205020dac7c08b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09088",
    "kind": "arxiv",
    "version": 1
  }
}