Pith Number

pith:Q56PZNW7

pith:2025:Q56PZNW746PX7MLDJMD7VXMPMI

not attested not anchored not stored refs pending

ORCHA -- A Performance Portability System for Post-Exascale Systems

Anshu Dubey, Jared O'Neal, Johann Rudi, Klaus Weide, Wesley Kwiecinski, Youngjun Lee

arxiv:2507.09337 v1 · 2025-07-12 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q56PZNW746PX7MLDJMD7VXMPMI}

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	2026-07-05T11:36:07.421397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

877cfcb6dfe79f7fb1634b07fadd8f6207b719b38d81b5bd9a3c071d40c48fd0

Aliases

arxiv: 2507.09337 · arxiv_version: 2507.09337v1 · doi: 10.48550/arxiv.2507.09337 · pith_short_12: Q56PZNW746PX · pith_short_16: Q56PZNW746PX7MLD · pith_short_8: Q56PZNW7

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/Q56PZNW746PX7MLDJMD7VXMPMI \
  | 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: 877cfcb6dfe79f7fb1634b07fadd8f6207b719b38d81b5bd9a3c071d40c48fd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ffe2b262937ee1417bab89eef9178f887f99f7c752ced4ec07ea2463a45005",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-12T16:35:32Z",
    "title_canon_sha256": "e022ab8d948063344fa5898b1f41a611f2a3173f0a4d9e9e657c8977a8bb6f6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09337",
    "kind": "arxiv",
    "version": 1
  }
}