Pith Number

pith:FJSYO22Q

pith:2026:FJSYO22QWRSUQLM2GLAONAWC3Q

not attested not anchored not stored refs pending

Machine learning is revolutionizing weather forecasting -- the next step is a change in how we work

J{\o}rn Kristiansen, Nikolay Koldunov, Oliver Fuhrer, Peter Bauer, Peter Dueben

arxiv:2606.25076 v1 · 2026-06-23 · physics.ao-ph · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJSYO22QWRSUQLM2GLAONAWC3Q}

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	2026-06-25T00:18:17.067962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a65876b50b465482d9a32c0e682c2dc0da7c3c8ead6639b99b18b139a819463

Aliases

arxiv: 2606.25076 · arxiv_version: 2606.25076v1 · doi: 10.48550/arxiv.2606.25076 · pith_short_12: FJSYO22QWRSU · pith_short_16: FJSYO22QWRSUQLM2 · pith_short_8: FJSYO22Q

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/FJSYO22QWRSUQLM2GLAONAWC3Q \
  | 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: 2a65876b50b465482d9a32c0e682c2dc0da7c3c8ead6639b99b18b139a819463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4db59e8f7d200e5022727ab514ee0d599637f09f72ff46c430e5864eff2dabd",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-06-23T18:33:33Z",
    "title_canon_sha256": "8fd1bb22b3aaf41539934755da9a9df935125099ce52d633c1149ce47affd165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25076",
    "kind": "arxiv",
    "version": 1
  }
}