Pith Number

pith:LKO3UR6R

pith:2012:LKO3UR6R5ZAQWEANJR23NVJTML

not attested not anchored not stored refs pending

Improved Nonlinear Solvers in BOUT++

Ben Dudson, Lois Curfman McInnes, Sean Farley

arxiv:1209.2054 v1 · 2012-09-10 · physics.plasm-ph · physics.comp-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{LKO3UR6R5ZAQWEANJR23NVJTML}

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	2026-05-18T03:45:53.838394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a9dba47d1ee410b100d4c75b6d53362cf82bf8b59310c61913392a9864db278

Aliases

arxiv: 1209.2054 · arxiv_version: 1209.2054v1 · doi: 10.48550/arxiv.1209.2054 · pith_short_12: LKO3UR6R5ZAQ · pith_short_16: LKO3UR6R5ZAQWEAN · pith_short_8: LKO3UR6R

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/LKO3UR6R5ZAQWEANJR23NVJTML \
  | 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: 5a9dba47d1ee410b100d4c75b6d53362cf82bf8b59310c61913392a9864db278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182f1427d7bc686869687a5cb970c3c87e44ab40dbe1f0318c2f73c0dfec1884",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2012-09-10T16:28:05Z",
    "title_canon_sha256": "7316b6bc9632aae04fdf26171e65ce425656cac4647e01cca94d13c0b3c6f250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2054",
    "kind": "arxiv",
    "version": 1
  }
}