Pith Number

pith:2PD3N6KL

pith:2019:2PD3N6KLJF32TX53VCGTC7VTDX

not attested not anchored not stored refs pending

Direct construction of optimized stellarator shapes. III. Omnigenity near the magnetic axis

G. G. Plunk, M. Landreman, P. Helander

arxiv:1909.08919 v1 · 2019-09-19 · 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{2PD3N6KLJF32TX53VCGTC7VTDX}

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	2026-07-05T00:31:19.916505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c7b6f94b4977a9dfbba88d317eb31de1739a7ae4f9684fc65542be8ed608ce

Aliases

arxiv: 1909.08919 · arxiv_version: 1909.08919v1 · doi: 10.48550/arxiv.1909.08919 · pith_short_12: 2PD3N6KLJF32 · pith_short_16: 2PD3N6KLJF32TX53 · pith_short_8: 2PD3N6KL

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/2PD3N6KLJF32TX53VCGTC7VTDX \
  | 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: d3c7b6f94b4977a9dfbba88d317eb31de1739a7ae4f9684fc65542be8ed608ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f93aebb5c6e4493fc7ea85f11ae5d5d008f94b7106c5e4f3ace2096de7568c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-09-19T11:22:28Z",
    "title_canon_sha256": "64b025963223ac3d120d0c078c01748df04aef660f215e41a3c39652e985fdde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08919",
    "kind": "arxiv",
    "version": 1
  }
}