Pith Number

pith:S6WJQJCH

pith:2020:S6WJQJCHVVTB6KABIVRKTS4YR7

not attested not anchored not stored refs pending

Toward Performance-Portable PETSc for GPU-based Exascale Systems

Alp Dener, Barry F. Smith, Hannah Morgan, Hong Zhang, Jed Brown, Junchao Zhang, Karl Rupp, Mark F. Adams, Matthew Knepley, Richard Tran Mills, Satish Balay, Scott E. Kruger, Stefano Zampini, Todd Munson

arxiv:2011.00715 v2 · 2020-11-02 · cs.MS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6WJQJCHVVTB6KABIVRKTS4YR7}

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	2026-07-05T03:18:38.975219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ac982447ad661f28014562a9cb988fd89858db4a26b2d9cda404fefa1cb498

Aliases

arxiv: 2011.00715 · arxiv_version: 2011.00715v2 · doi: 10.48550/arxiv.2011.00715 · pith_short_12: S6WJQJCHVVTB · pith_short_16: S6WJQJCHVVTB6KAB · pith_short_8: S6WJQJCH

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/S6WJQJCHVVTB6KABIVRKTS4YR7 \
  | 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: 97ac982447ad661f28014562a9cb988fd89858db4a26b2d9cda404fefa1cb498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb0fb3683cb2cbb50748d631157a263d1dc3f34869f7ec63023641ab361165ca",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2020-11-02T04:05:29Z",
    "title_canon_sha256": "279e32f6b64329ad4ea483d1612762f27000ff37f69a5b9e5e92ae6b390af360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00715",
    "kind": "arxiv",
    "version": 2
  }
}