Pith Number

pith:6EM5XYZB

pith:2018:6EM5XYZBVMIULZEMANC3H6Q5FL

not attested not anchored not stored refs pending

Fast parallel multidimensional FFT using advanced MPI

David E Keyes, Lisandro Dalcin, Mikael Mortensen

arxiv:1804.09536 v1 · 2018-04-25 · cs.DC · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EM5XYZBVMIULZEMANC3H6Q5FL}

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	2026-05-18T00:17:31.504362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f119dbe321ab1145e48c0345b3fa1d2adf3d21586b28ce15397d3898da3b45ec

Aliases

arxiv: 1804.09536 · arxiv_version: 1804.09536v1 · doi: 10.48550/arxiv.1804.09536 · pith_short_12: 6EM5XYZBVMIU · pith_short_16: 6EM5XYZBVMIULZEM · pith_short_8: 6EM5XYZB

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/6EM5XYZBVMIULZEMANC3H6Q5FL \
  | 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: f119dbe321ab1145e48c0345b3fa1d2adf3d21586b28ce15397d3898da3b45ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6799de5907c197d0f11b54499413f0eb201998c15b9db460f5c7271ee6ad6800",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-04-25T13:20:53Z",
    "title_canon_sha256": "57332a9fe865a96bd9db540fabf56c842c00bf77bbb045be81bccd3682537641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09536",
    "kind": "arxiv",
    "version": 1
  }
}