Pith Number

pith:QJ4CU3JY

pith:2025:QJ4CU3JYUNAPOUEY5MMEHJAKQ5

not attested not anchored not stored refs pending

Improving AI weather prediction models using global mass and energy conservation schemes

David John Gagne II, John S. Schreck, William Chapman, Yingkai Sha

arxiv:2501.05648 v2 · 2025-01-10 · physics.ao-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{QJ4CU3JYUNAPOUEY5MMEHJAKQ5}

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

2 papers in Pith

PhysMetrics.Weather: An Evaluation Framework for Physical Consistency in ML Weather Models

Prediction of Drought and Flash Drought in Africa at the Seasonal-to-Subseasonal Scale using the Community Research Earth Digital Intelligence Twin Framework

Receipt and verification

First computed	2026-07-05T10:06:46.902234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82782a6d38a340f75098eb1843a40a876f6558dbde7fe2acdccb152d321a650a

Aliases

arxiv: 2501.05648 · arxiv_version: 2501.05648v2 · doi: 10.48550/arxiv.2501.05648 · pith_short_12: QJ4CU3JYUNAP · pith_short_16: QJ4CU3JYUNAPOUEY · pith_short_8: QJ4CU3JY

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/QJ4CU3JYUNAPOUEY5MMEHJAKQ5 \
  | 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: 82782a6d38a340f75098eb1843a40a876f6558dbde7fe2acdccb152d321a650a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4504cef75406b07314e99b0f65a93207f293f60e52252da3200fb54872de62e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-01-10T01:33:40Z",
    "title_canon_sha256": "f753f98122dfa0130c7cceda56fb03cfb36cab34cdb6baa34afbd4d2adea0929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05648",
    "kind": "arxiv",
    "version": 2
  }
}