Pith Number

pith:XIKLS42Y

pith:2025:XIKLS42YJ2LWYIG6FJUTXBXBR3

not attested not anchored not stored refs pending

Numerical models outperform AI weather forecasts of record-breaking extremes

Erich Fischer, Jakob Zscheischler, Sebastian Engelke, Zhongwei Zhang

arxiv:2508.15724 v1 · 2025-08-21 · physics.ao-ph · cs.AI · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIKLS42YJ2LWYIG6FJUTXBXBR3}

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.

Cited by

1 paper in Pith

Extrapolation in Statistical Learning with Extreme Value Theory

Receipt and verification

First computed	2026-07-05T11:57:17.707814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba14b973584e976c20de2a693b86e18ec0797842f486083947234fb228f8014c

Aliases

arxiv: 2508.15724 · arxiv_version: 2508.15724v1 · doi: 10.48550/arxiv.2508.15724 · pith_short_12: XIKLS42YJ2LW · pith_short_16: XIKLS42YJ2LWYIG6 · pith_short_8: XIKLS42Y

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/XIKLS42YJ2LWYIG6FJUTXBXBR3 \
  | 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: ba14b973584e976c20de2a693b86e18ec0797842f486083947234fb228f8014c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295052d80c7c6abbf4640cdf8f4c6662fe2ae921a45289cccdf7936184f168b7",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-08-21T17:07:16Z",
    "title_canon_sha256": "0aebb4d78a7236d0b35ee17f23868ced29be4fd7fa65b9a34c007ed47a3fa508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15724",
    "kind": "arxiv",
    "version": 1
  }
}