Pith Number

pith:LE4EA5IJ

pith:2022:LE4EA5IJQ3XQVAIRLGJ762OMIW

not attested not anchored not stored refs pending

Existence of an optimized stellarator with simple coils

Guodong Yu, GuoYong Fu, Peiyou Jiang, Zhichen Feng

arxiv:2201.12547 v2 · 2022-01-29 · 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{LE4EA5IJQ3XQVAIRLGJ762OMIW}

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	2026-07-05T04:27:51.888133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

593840750986ef0a81115993ff69cc45a893cd3cf6915f0060b1c0ca3bc59f9f

Aliases

arxiv: 2201.12547 · arxiv_version: 2201.12547v2 · doi: 10.48550/arxiv.2201.12547 · pith_short_12: LE4EA5IJQ3XQ · pith_short_16: LE4EA5IJQ3XQVAIR · pith_short_8: LE4EA5IJ

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/LE4EA5IJQ3XQVAIRLGJ762OMIW \
  | 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: 593840750986ef0a81115993ff69cc45a893cd3cf6915f0060b1c0ca3bc59f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a62dc8ef5048aacd9140b7adf405828bb98d80d2c415f8dbef9b350fc5c5bdd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2022-01-29T10:14:06Z",
    "title_canon_sha256": "f0f82ed5c9e3a21d8cf40192ca1b3d74f360791d1397acc1989f90d8ae5e1366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12547",
    "kind": "arxiv",
    "version": 2
  }
}