Pith Number

pith:LHUJN377

pith:2023:LHUJN377JT7H23PVZBNG2V3G6N

not attested not anchored not stored refs pending

PyExaFMM: an exercise in designing high-performance software with Python and Numba

Lorena A. Barba, Srinath Kailasa, Timo Betcke, Tingyu Wang

arxiv:2303.08394 v3 · 2023-03-15 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHUJN377JT7H23PVZBNG2V3G6N}

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	2026-07-05T06:10:35.074650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59e896efff4cfe7d6df5c85a6d5766f35e958d63672dad4b77c90baafb607b39

Aliases

arxiv: 2303.08394 · arxiv_version: 2303.08394v3 · doi: 10.48550/arxiv.2303.08394 · pith_short_12: LHUJN377JT7H · pith_short_16: LHUJN377JT7H23PV · pith_short_8: LHUJN377

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/LHUJN377JT7H23PVZBNG2V3G6N \
  | 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: 59e896efff4cfe7d6df5c85a6d5766f35e958d63672dad4b77c90baafb607b39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f6e6ee651d74205ad698f7e31d41007956d5fd2403af319bca24d807eeffb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2023-03-15T06:51:42Z",
    "title_canon_sha256": "bca56edd706a6dd29ce4f6f464ae26dd0e9fb3686fc20bb796f8c2ed6f6d236d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.08394",
    "kind": "arxiv",
    "version": 3
  }
}