Pith Number

pith:5LSFFNCS

pith:2024:5LSFFNCSRYX6HBUFQ244NFEZG7

not attested not anchored not stored refs pending

PETSc/TAO Developments for GPU-Based Early Exascale Systems

Hansol Suh, Hong Zhang, Jacob Faibussowitsch, Jed Brown, Junchao Zhang, Mark Adams, Matthew Knepley, Richard Tran Mills, Satish Balay, Stefano Zampini, Toby Isaac, Todd Munson

arxiv:2406.08646 v2 · 2024-06-12 · 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{5LSFFNCSRYX6HBUFQ244NFEZG7}

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	2026-07-05T09:35:33.415837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae452b4528e2fe3868586b9c6949937fe4b69b919fc2fac2842aacc2e2dde0f

Aliases

arxiv: 2406.08646 · arxiv_version: 2406.08646v2 · doi: 10.48550/arxiv.2406.08646 · pith_short_12: 5LSFFNCSRYX6 · pith_short_16: 5LSFFNCSRYX6HBUF · pith_short_8: 5LSFFNCS

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/5LSFFNCSRYX6HBUFQ244NFEZG7 \
  | 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: eae452b4528e2fe3868586b9c6949937fe4b69b919fc2fac2842aacc2e2dde0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab81d4883960fc81ad371b9cda4cb3cfba4cddd9665ae2ac6bb3d441263b2be",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2024-06-12T21:11:46Z",
    "title_canon_sha256": "f05f270815e36c7dfab65b0609d526887c7a7416436711c47e755d8d528c6344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.08646",
    "kind": "arxiv",
    "version": 2
  }
}