Pith Number

pith:A4RKJYTS

pith:2009:A4RKJYTS7RXWWQOXT3C2OLVZF6

not attested not anchored not stored refs pending

Efficient magnetohydrodynamic simulations on graphics processing units with CUDA

Hon-Cheng Wong, Un-Hong Wong, Xueshang Feng, Zesheng Tang

arxiv:0908.4362 v3 · 2009-08-30 · 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{A4RKJYTS7RXWWQOXT3C2OLVZF6}

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	2026-05-18T04:35:05.295939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0722a4e272fc6f6b41d79ec5a72eb92fa1932c61f63da260c07b5e9f1ab60ffa

Aliases

arxiv: 0908.4362 · arxiv_version: 0908.4362v3 · doi: 10.48550/arxiv.0908.4362 · pith_short_12: A4RKJYTS7RXW · pith_short_16: A4RKJYTS7RXWWQOX · pith_short_8: A4RKJYTS

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/A4RKJYTS7RXWWQOXT3C2OLVZF6 \
  | 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: 0722a4e272fc6f6b41d79ec5a72eb92fa1932c61f63da260c07b5e9f1ab60ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9fc77b00333671a8e276eee542e884c8a23038d48aeaf99a4c5112fb5778abd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2009-08-30T16:41:22Z",
    "title_canon_sha256": "55567424a3937e850535c7f36fd8e0cad96f8f409ed3757376cdb44b3da80cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4362",
    "kind": "arxiv",
    "version": 3
  }
}