Pith Number

pith:4NQQGIW5

pith:2018:4NQQGIW5TXYFDGHKGLJI74NEJM

not attested not anchored not stored refs pending

Low-shear three-dimensional equilibria and vacuum magnetic fields with flux surfaces

Harold Weitzner, Wrick Sengupta

arxiv:1809.09225 v3 · 2018-09-24 · 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{4NQQGIW5TXYFDGHKGLJI74NEJM}

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	2026-05-17T23:48:33.762586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3610322dd9df05198ea32d28ff1a44b1b82de4b812118bf0efc62cf7fb9761d

Aliases

arxiv: 1809.09225 · arxiv_version: 1809.09225v3 · doi: 10.48550/arxiv.1809.09225 · pith_short_12: 4NQQGIW5TXYF · pith_short_16: 4NQQGIW5TXYFDGHK · pith_short_8: 4NQQGIW5

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/4NQQGIW5TXYFDGHKGLJI74NEJM \
  | 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: e3610322dd9df05198ea32d28ff1a44b1b82de4b812118bf0efc62cf7fb9761d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a950d7168f7d1080d2cda4d6619a5889ffb030e7d503a9eb4a19149c389b39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2018-09-24T21:08:25Z",
    "title_canon_sha256": "82db94c055d17c8fbe2e4841df8f68d0d7dc1512ca86b58f29b08e627e2218a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09225",
    "kind": "arxiv",
    "version": 3
  }
}