Pith Number

pith:3G7ET2K3

pith:2015:3G7ET2K3EU54IF46O7QSA5MLVQ

not attested not anchored not stored refs pending

Performance analysis and Optimisation of the Met Unified Model on a Cray XC30

Bryan Lawrence, Grenville Lister, Karthee Sivalingam

arxiv:1511.03885 v1 · 2015-11-12 · physics.comp-ph · cs.DC · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3G7ET2K3EU54IF46O7QSA5MLVQ}

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	2026-05-18T01:27:06.587639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9be49e95b253bc4179e77e120758bac0f7d0b85bd39bf4fa8427b3a5dec19da

Aliases

arxiv: 1511.03885 · arxiv_version: 1511.03885v1 · doi: 10.48550/arxiv.1511.03885 · pith_short_12: 3G7ET2K3EU54 · pith_short_16: 3G7ET2K3EU54IF46 · pith_short_8: 3G7ET2K3

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/3G7ET2K3EU54IF46O7QSA5MLVQ \
  | 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: d9be49e95b253bc4179e77e120758bac0f7d0b85bd39bf4fa8427b3a5dec19da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75bb2709581dc63eb84e63444d35e5350500f6273502eab59ec6e9cdf1cc912d",
    "cross_cats_sorted": [
      "cs.DC",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-11-12T13:20:57Z",
    "title_canon_sha256": "b84d7190012ec1b681c2e14d3ff9814239591a90c7c4af7dbee0dd1e804779ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03885",
    "kind": "arxiv",
    "version": 1
  }
}