Pith Number

pith:OXYO5TMP

pith:2026:OXYO5TMPVCZNOBI7TCZEW55BHA

not attested not anchored not stored refs pending

VEQ: a fast parametric Grad--Shafranov solver for fixed-boundary tokamak equilibria with flexible source profiles

Feng Wang, Huasheng Xie, Ruohan Zhang, Weiqi Meng, Yueyan Li, Zhengxiong Wang

arxiv:2606.11821 v1 · 2026-06-10 · 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{OXYO5TMPVCZNOBI7TCZEW55BHA}

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	2026-06-11T01:10:10.065349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f0eecd8fa8b2d7051f98b24b77a138069e485c20e6da1dab1fb7c5ea706a26

Aliases

arxiv: 2606.11821 · arxiv_version: 2606.11821v1 · doi: 10.48550/arxiv.2606.11821 · pith_short_12: OXYO5TMPVCZN · pith_short_16: OXYO5TMPVCZNOBI7 · pith_short_8: OXYO5TMP

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/OXYO5TMPVCZNOBI7TCZEW55BHA \
  | 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: 75f0eecd8fa8b2d7051f98b24b77a138069e485c20e6da1dab1fb7c5ea706a26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a880bac25e395021042faa2727d09d1eb2f8968cca22f038c10f19020d915561",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2026-06-10T08:55:23Z",
    "title_canon_sha256": "37b843d0c654b56dd8fc37e95b515696ca8ae47d45f1d9915ba747c4efce763c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11821",
    "kind": "arxiv",
    "version": 1
  }
}