Pith Number

pith:223S4IEL

pith:2015:223S4IEL5JUZ5RMVZ7MCKAMO7X

not attested not anchored not stored refs pending

OMP2MPI: Automatic MPI code generation from OpenMP programs

Albert Saa-Garriga, David Castells-Rufas, Jordi Carrabina

arxiv:1502.02921 v2 · 2015-02-10 · cs.DC · cs.PF · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{223S4IEL5JUZ5RMVZ7MCKAMO7X}

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	2026-05-18T01:53:08.843345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b72e208bea699ec595cfd825018efde3e4e565c271ede8eb5656dca490a634

Aliases

arxiv: 1502.02921 · arxiv_version: 1502.02921v2 · doi: 10.48550/arxiv.1502.02921 · pith_short_12: 223S4IEL5JUZ · pith_short_16: 223S4IEL5JUZ5RMV · pith_short_8: 223S4IEL

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/223S4IEL5JUZ5RMVZ7MCKAMO7X \
  | 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: d6b72e208bea699ec595cfd825018efde3e4e565c271ede8eb5656dca490a634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47eca1a31ddba1ada4afb6cae52e0b1a4e0056607334349b405859f27cce0e8a",
    "cross_cats_sorted": [
      "cs.PF",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-02-10T14:32:25Z",
    "title_canon_sha256": "2af1f98dae4282d3123bc913c24b6586b1d61c5fa0ceccfd9b962cf992ec2c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02921",
    "kind": "arxiv",
    "version": 2
  }
}