Pith Number

pith:3IMDOLFP

pith:2026:3IMDOLFPK4EDRWHPEUDR5JGBJO

not attested not anchored not stored refs pending

Can AI Weather Models Predict Beyond Two Weeks? A Quantitative Benchmark and Analysis of Long Rollouts

Benedikt Soja, Fanny Lehmann, Firat Ozdemir, Sebastian Schemm, Siddhartha Mishra, Torsten Hoefler, Yun Cheng

arxiv:2605.30184 v1 · 2026-05-28 · cs.LG · 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{3IMDOLFPK4EDRWHPEUDR5JGBJO}

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	2026-05-29T02:06:12.202144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da18372caf570838d8ef25071ea4c14b98767c03d830063ce4403a9926f87e55

Aliases

arxiv: 2605.30184 · arxiv_version: 2605.30184v1 · doi: 10.48550/arxiv.2605.30184 · pith_short_12: 3IMDOLFPK4ED · pith_short_16: 3IMDOLFPK4EDRWHP · pith_short_8: 3IMDOLFP

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/3IMDOLFPK4EDRWHPEUDR5JGBJO \
  | 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: da18372caf570838d8ef25071ea4c14b98767c03d830063ce4403a9926f87e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e70a617ef031495982496ae5e9d77bce7c7a257bc97a1915469b9a0b21109cfc",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T16:29:33Z",
    "title_canon_sha256": "358749697fcaa398c137633b6599b74c058b37cc5ad5c305870b0d86ad95522c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30184",
    "kind": "arxiv",
    "version": 1
  }
}