Pith Number

pith:KNRYHDAV

pith:2026:KNRYHDAVJPSPUHL3T5IRP4OTEK

not attested not anchored not stored refs pending

The physics of AI weather models

George Craig, Kirsten I. Tempest, Matthias Beylich, Tobias Selz

arxiv:2605.23778 v1 · 2026-05-22 · physics.ao-ph · cs.LG · physics.comp-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{KNRYHDAVJPSPUHL3T5IRP4OTEK}

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	2026-05-25T02:02:32.071710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5363838c154be4fa1d7b9f5117f1d32287ab11c285d2e16d35f3bec7a852a042

Aliases

arxiv: 2605.23778 · arxiv_version: 2605.23778v1 · doi: 10.48550/arxiv.2605.23778 · pith_short_12: KNRYHDAVJPSP · pith_short_16: KNRYHDAVJPSPUHL3 · pith_short_8: KNRYHDAV

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/KNRYHDAVJPSPUHL3T5IRP4OTEK \
  | 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: 5363838c154be4fa1d7b9f5117f1d32287ab11c285d2e16d35f3bec7a852a042

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1bebd042ca64cdb04cc8faf7a21769dcba77dd1dcca5ae5037eee5cea07f5e",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-05-22T15:43:56Z",
    "title_canon_sha256": "42f5dd5e20d687b74df70da697fd932775bb119c31b2e0bde9883ded4233d83c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23778",
    "kind": "arxiv",
    "version": 1
  }
}