Pith Number

pith:7UMTCI4J

pith:2020:7UMTCI4JNJXWWFJ3O257OIV3SB

not attested not anchored not stored refs pending

Ginkgo: A Modern Linear Operator Algebra Framework for High Performance Computing

Enrique S. Quintana-Ort\'i, Fritz G\"obel, Goran Flegar, Hartwig Anzt, Pratik Nayak, Terry Cojean, Thomas Gr\"utzmacher, Tobias Ribizel, Yuhsiang Mike Tsai

arxiv:2006.16852 v2 · 2020-06-30 · 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{7UMTCI4JNJXWWFJ3O257OIV3SB}

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	2026-07-05T01:15:27.338759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd193123896a6f6b153b76bbf722bb904f2a3dc9d8c795dfe6a17b123659729d

Aliases

arxiv: 2006.16852 · arxiv_version: 2006.16852v2 · doi: 10.48550/arxiv.2006.16852 · pith_short_12: 7UMTCI4JNJXW · pith_short_16: 7UMTCI4JNJXWWFJ3 · pith_short_8: 7UMTCI4J

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/7UMTCI4JNJXWWFJ3O257OIV3SB \
  | 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: fd193123896a6f6b153b76bbf722bb904f2a3dc9d8c795dfe6a17b123659729d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "847bb95c38e655cab1903688cd3d700f5ff50b791e3e14ef045844bbb28bb53a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2020-06-30T14:42:48Z",
    "title_canon_sha256": "9dbd2cbdba66cbdab0a876de37554dd1b15c97baae13b72627105af49faa14a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16852",
    "kind": "arxiv",
    "version": 2
  }
}