Pith Number

pith:BL34LJTA

pith:2020:BL34LJTASE4EUH2RTXG6VOU5X4

not attested not anchored not stored refs pending

TEMPI: An Interposed MPI Library with a Canonical Representation of CUDA-aware Datatypes

Carl Pearson, I-Hsin Chung, Jinjun Xiong, Kun Wu, Wen-Mei Hwu

arxiv:2012.14363 v8 · 2020-12-28 · 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{BL34LJTASE4EUH2RTXG6VOU5X4}

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	2026-07-05T02:33:56.884877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af7c5a66091384a1f519dcdeaba9dbf11d80c08db1f478b4068fcae51b35635

Aliases

arxiv: 2012.14363 · arxiv_version: 2012.14363v8 · doi: 10.48550/arxiv.2012.14363 · pith_short_12: BL34LJTASE4E · pith_short_16: BL34LJTASE4EUH2R · pith_short_8: BL34LJTA

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/BL34LJTASE4EUH2RTXG6VOU5X4 \
  | 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: 0af7c5a66091384a1f519dcdeaba9dbf11d80c08db1f478b4068fcae51b35635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71533732cec01c1fe48afc3ff7dad084b78a964e2647cdfa7d3bc6eec1eb2a76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-12-28T17:01:39Z",
    "title_canon_sha256": "b8f4656c43e85b8a806ca1f837cd41892b54f11de4c3553880543bf5acf7872b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14363",
    "kind": "arxiv",
    "version": 8
  }
}