Pith Number

pith:SS5DJRRR

pith:2026:SS5DJRRRA5NEDLC2VVSAO5S6PM

not attested not anchored not stored refs pending

From Licensing to Open Access: Designing a Sustainable Transition in Operational Weather Data

Emma Pidduck, Fabio Venuti, Florence Rabier, Florian Pappenberger, Umberto Modigliani, Victoria L. Bennett

arxiv:2605.21673 v1 · 2026-05-20 · physics.ao-ph · cs.CY · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SS5DJRRRA5NEDLC2VVSAO5S6PM}

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	2026-05-22T01:03:27.601528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94ba34c631075a41ac5aad6407765e7b241d13be19baacec852167a37ec6c6f1

Aliases

arxiv: 2605.21673 · arxiv_version: 2605.21673v1 · doi: 10.48550/arxiv.2605.21673 · pith_short_12: SS5DJRRRA5NE · pith_short_16: SS5DJRRRA5NEDLC2 · pith_short_8: SS5DJRRR

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/SS5DJRRRA5NEDLC2VVSAO5S6PM \
  | 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: 94ba34c631075a41ac5aad6407765e7b241d13be19baacec852167a37ec6c6f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412c9f3b6389b1c6022d369aebe17d4568b56af65e698341bec26d2fa0c8f421",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-05-20T19:30:02Z",
    "title_canon_sha256": "bc0791958eec052f6c39f029da90e319b65cd5b1ecf245dc8b163f9b29ca9bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21673",
    "kind": "arxiv",
    "version": 1
  }
}