Pith Number

pith:YEXF5FBU

pith:2018:YEXF5FBUIGGRERKHZGTJLWU4RW

not attested not anchored not stored refs pending

Direct construction of optimized stellarator shapes. II. Numerical quasisymmetric solutions

Gabriel G Plunk, Matt Landreman, Wrick Sengupta

arxiv:1809.10246 v2 · 2018-09-26 · 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{YEXF5FBUIGGRERKHZGTJLWU4RW}

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	2026-05-17T23:55:54.964912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c12e5e9434418d124547c9a695da9c8d913a2a040b3e779a26247d928ad1d0ff

Aliases

arxiv: 1809.10246 · arxiv_version: 1809.10246v2 · doi: 10.48550/arxiv.1809.10246 · pith_short_12: YEXF5FBUIGGR · pith_short_16: YEXF5FBUIGGRERKH · pith_short_8: YEXF5FBU

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/YEXF5FBUIGGRERKHZGTJLWU4RW \
  | 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: c12e5e9434418d124547c9a695da9c8d913a2a040b3e779a26247d928ad1d0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b984da4832dfea099cd5c4ab88723f7aa4d6643ec2874d06a58e3530ce2e1d5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2018-09-26T21:36:57Z",
    "title_canon_sha256": "ae40bb0393109255a9940438d805b247d5e7f74dcc897a437f7c392178dab25d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10246",
    "kind": "arxiv",
    "version": 2
  }
}