Pith Number

pith:FCIHMZFZ

pith:2026:FCIHMZFZSWKRYH2XPAH4VJH665

not attested not anchored not stored refs pending

Performance Evaluation of GraphCast for Medium-Range Weather Forecasting over Brazil

Lucas S. Kupssinsk\"u, Wolfgang R. Rowell Jr.

arxiv:2606.06348 v1 · 2026-06-04 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCIHMZFZSWKRYH2XPAH4VJH665}

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	2026-06-05T01:15:42.421465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28907664b995951c1f57780fcaa4fef75114c46040b6aef8f89cc5d309f9b577

Aliases

arxiv: 2606.06348 · arxiv_version: 2606.06348v1 · doi: 10.48550/arxiv.2606.06348 · pith_short_12: FCIHMZFZSWKR · pith_short_16: FCIHMZFZSWKRYH2X · pith_short_8: FCIHMZFZ

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/FCIHMZFZSWKRYH2XPAH4VJH665 \
  | 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: 28907664b995951c1f57780fcaa4fef75114c46040b6aef8f89cc5d309f9b577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c84fe7b52aa77526b0c8bdb2bdb2fe8d468d9aedd5167f4ec0b893fec5199eac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-04T16:19:29Z",
    "title_canon_sha256": "19f503b17d42c75b198a36a716023ccd473939ebd1d2954edd2634a7daa7f4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06348",
    "kind": "arxiv",
    "version": 1
  }
}