Pith Number

pith:QMRENIEH

pith:2023:QMRENIEHABUGERUXY2GN7CWR3W

not attested not anchored not stored refs pending

Automated MPI-X code generation for scalable finite-difference solvers

Fabio Luporini, George Bisbas, Gerard Gorman, Mathias Louboutin, Paul H.J. Kelly, Rhodri Nelson

arxiv:2312.13094 v5 · 2023-12-20 · cs.DC · cs.MS · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMRENIEHABUGERUXY2GN7CWR3W}

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	2026-07-05T09:57:18.987548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832246a0870068624697c68cdf8ad1dda9b264858f7825904bcd49d2386bd08b

Aliases

arxiv: 2312.13094 · arxiv_version: 2312.13094v5 · doi: 10.48550/arxiv.2312.13094 · pith_short_12: QMRENIEHABUG · pith_short_16: QMRENIEHABUGERUX · pith_short_8: QMRENIEH

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/QMRENIEHABUGERUXY2GN7CWR3W \
  | 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: 832246a0870068624697c68cdf8ad1dda9b264858f7825904bcd49d2386bd08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecbce285fbc3094b6004ba533ced958fcf5863f27821c57317306a33efdac9c3",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2023-12-20T15:15:56Z",
    "title_canon_sha256": "a480c18740b5b4c2ee53852b928965af7f258e8093debcb840117a3ff3b01187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.13094",
    "kind": "arxiv",
    "version": 5
  }
}