Pith Number

pith:PPSYHXHY

pith:2018:PPSYHXHYYD7CBZ2JZODKUQWRTS

not attested not anchored not stored refs pending

Computing local sensitivity and tolerances for stellarator physics properties using shape gradients

Elizabeth J Paul, Matt Landreman

arxiv:1803.03187 v1 · 2018-03-08 · 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{PPSYHXHYYD7CBZ2JZODKUQWRTS}

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	2026-05-18T00:21:44.177539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be583dcf8c0fe20e749cb86aa42d19cb01266435478a19d7758285d1f985905

Aliases

arxiv: 1803.03187 · arxiv_version: 1803.03187v1 · doi: 10.48550/arxiv.1803.03187 · pith_short_12: PPSYHXHYYD7C · pith_short_16: PPSYHXHYYD7CBZ2J · pith_short_8: PPSYHXHY

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/PPSYHXHYYD7CBZ2JZODKUQWRTS \
  | 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: 7be583dcf8c0fe20e749cb86aa42d19cb01266435478a19d7758285d1f985905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdaf48180c910a87095308f07e07f78008c84c84c66eba5d8554e3eb7a769df0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2018-03-08T16:27:18Z",
    "title_canon_sha256": "bff50c6d50440bce8bd026f6fb321dd007c77a7c6fa2dcda6cd05515716813f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03187",
    "kind": "arxiv",
    "version": 1
  }
}