Pith Number

pith:KBOSSELU

pith:2025:KBOSSELUHDQNRCWBGH3UPGKSNB

not attested not anchored not stored refs pending

Arnoldi Singular Vector perturbations for machine learning weather prediction

Jens Winkler, Michael Denhard

arxiv:2506.22450 v1 · 2025-06-13 · physics.ao-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBOSSELUHDQNRCWBGH3UPGKSNB}

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	2026-07-05T11:28:38.708860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

505d29117438e0d88ac131f7479952684f4a257c4705970e527f2f404f282fca

Aliases

arxiv: 2506.22450 · arxiv_version: 2506.22450v1 · doi: 10.48550/arxiv.2506.22450 · pith_short_12: KBOSSELUHDQN · pith_short_16: KBOSSELUHDQNRCWB · pith_short_8: KBOSSELU

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/KBOSSELUHDQNRCWBGH3UPGKSNB \
  | 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: 505d29117438e0d88ac131f7479952684f4a257c4705970e527f2f404f282fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9605781d8207860d3d347fa2ca5ac7f6ae320341b9f787fbd8aeed93c1a2d85",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-06-13T08:52:20Z",
    "title_canon_sha256": "b6da6303f22ab54ae227fe44aebaa123c76198a23c13cc20481a1f1c122a93f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.22450",
    "kind": "arxiv",
    "version": 1
  }
}