Pith Number

pith:7GPUE36D

pith:2018:7GPUE36DEJ5M2YIX4Y32M6KLLV

not attested not anchored not stored refs pending

Scaling of a Fast Fourier Transform and a Pseudo-spectral Fluid Solver up to 196608 cores

Abhishek Kumar, Anando G. Chatterjee, Bilel Hadri, Mahendra K. Verma, Ravi Samtaney, Rooh Khurram

arxiv:1805.07801 v1 · 2018-05-20 · physics.comp-ph · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GPUE36DEJ5M2YIX4Y32M6KLLV}

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	2026-05-18T00:15:32.512751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99f426fc3227acd6117e637a6794b5d6acc4ed8c4f37003c65b0f4c052977f3

Aliases

arxiv: 1805.07801 · arxiv_version: 1805.07801v1 · doi: 10.48550/arxiv.1805.07801 · pith_short_12: 7GPUE36DEJ5M · pith_short_16: 7GPUE36DEJ5M2YIX · pith_short_8: 7GPUE36D

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/7GPUE36DEJ5M2YIX4Y32M6KLLV \
  | 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: f99f426fc3227acd6117e637a6794b5d6acc4ed8c4f37003c65b0f4c052977f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cac7c61dbeff6e656a4cf56eb924881c7721c35504b6a7aa39ff8e45eee26a3",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-05-20T17:18:37Z",
    "title_canon_sha256": "89b51ed8ccf7db060564753d0df958b224f1fa0a3962e9406f50c4682fa455b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07801",
    "kind": "arxiv",
    "version": 1
  }
}