Pith Number

pith:NPZBV2NC

pith:2025:NPZBV2NCMOQAVBF7KFVTGXAGUV

not attested not anchored not stored refs pending

MMStencil: Optimizing High-order Stencils on Multicore CPU using Matrix Unit

Guangwen Yang, Jiayu Fu, Lanke He, Lin Gan, Tianqi Mao, Wei Xue, Wenqiang Wang, Wubing Wan, Yinuo Wang, Zekun Yin, Zeyu Song

arxiv:2507.11067 v1 · 2025-07-15 · 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{NPZBV2NCMOQAVBF7KFVTGXAGUV}

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	2026-07-05T11:37:31.350710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf21ae9a263a00a84bf516b335c06a54c85ab88cd4f7bf157e67f5a2017a91c

Aliases

arxiv: 2507.11067 · arxiv_version: 2507.11067v1 · doi: 10.48550/arxiv.2507.11067 · pith_short_12: NPZBV2NCMOQA · pith_short_16: NPZBV2NCMOQAVBF7 · pith_short_8: NPZBV2NC

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/NPZBV2NCMOQAVBF7KFVTGXAGUV \
  | 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: 6bf21ae9a263a00a84bf516b335c06a54c85ab88cd4f7bf157e67f5a2017a91c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3a9b94501a76f7f2592d6765a38f207d150fbcc67fda09993d1eb7cfa70a5f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-07-15T08:00:11Z",
    "title_canon_sha256": "b66c6fb6fc4e88e627315b12b91e450cb94739f01e60a880a03371fe5cd74dfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11067",
    "kind": "arxiv",
    "version": 1
  }
}