Pith Number

pith:3PPRDT7T

pith:2015:3PPRDT7TCSTH5TJZRLHKPKYWYM

not attested not anchored not stored refs pending

Accurate Derivative Evaluation for any Grad-Shafranov Solver

A. J. Cerfon, J. P. Freidberg, L. F. Ricketson, M. Rachh

arxiv:1507.07444 v1 · 2015-07-27 · math.NA · 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{3PPRDT7TCSTH5TJZRLHKPKYWYM}

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	2026-05-18T01:36:12.446772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdf11cff314a67ecd398acea7ab16c3021a62b16d9d36040fd37b809625b331

Aliases

arxiv: 1507.07444 · arxiv_version: 1507.07444v1 · doi: 10.48550/arxiv.1507.07444 · pith_short_12: 3PPRDT7TCSTH · pith_short_16: 3PPRDT7TCSTH5TJZ · pith_short_8: 3PPRDT7T

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/3PPRDT7TCSTH5TJZRLHKPKYWYM \
  | 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: dbdf11cff314a67ecd398acea7ab16c3021a62b16d9d36040fd37b809625b331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f615473235a104cf4b9f2fd4c0b959dff4d29a5e257526f66dc4797c95dca61f",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-27T15:18:54Z",
    "title_canon_sha256": "189dd698f13aed6725cb275d40f4e1c4b2b6fa1787914c4600e03852714a202d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07444",
    "kind": "arxiv",
    "version": 1
  }
}