Pith Number

pith:COMTRJBI

pith:2026:COMTRJBI7RTEX72ZE6J64CCEOM

not attested not anchored not stored refs pending

On the Limits of Performance Portability in Directive-Based GPU Programming

Alessandro Romeo, Alessio Suriano, Andrea Mignone, Nitin Shukla, Stefano Truzzi

arxiv:2606.12753 v1 · 2026-06-10 · 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{COMTRJBI7RTEX72ZE6J64CCEOM}

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	2026-06-12T01:08:49.332426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139938a428fc664bff592793ee084473203b4a24081b5b46e15c463ad66cfed7

Aliases

arxiv: 2606.12753 · arxiv_version: 2606.12753v1 · doi: 10.48550/arxiv.2606.12753 · pith_short_12: COMTRJBI7RTE · pith_short_16: COMTRJBI7RTEX72Z · pith_short_8: COMTRJBI

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/COMTRJBI7RTEX72ZE6J64CCEOM \
  | 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: 139938a428fc664bff592793ee084473203b4a24081b5b46e15c463ad66cfed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4126ad901d65b3fc720a6dacce6cd1a7007e7858a7e7ab6e1a1558a543003c46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-06-10T23:40:19Z",
    "title_canon_sha256": "2632d618be9b6c7f080be2ebaa700dda82fbca5ce569a97c412b4864c5a23d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12753",
    "kind": "arxiv",
    "version": 1
  }
}