Pith Number

pith:K4M2SXXW

pith:2025:K4M2SXXWSHGZY5P5Z6S2GG6HG2

not attested not anchored not stored refs pending

Physics-Guided Learning of Meteorological Dynamics for Weather Downscaling and Forecasting

Binqing Wu, Liang Sun, Qingsong Wen, Shikai Fang, Yingtao Luo

arxiv:2505.14555 v2 · 2025-05-20 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4M2SXXWSHGZY5P5Z6S2GG6HG2}

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	2026-07-05T11:08:21.158478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5719a95ef691cd9c75fdcfa5a31bc73698c09f8575ee8d7e766fb064c686c12a

Aliases

arxiv: 2505.14555 · arxiv_version: 2505.14555v2 · doi: 10.48550/arxiv.2505.14555 · pith_short_12: K4M2SXXWSHGZ · pith_short_16: K4M2SXXWSHGZY5P5 · pith_short_8: K4M2SXXW

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/K4M2SXXWSHGZY5P5Z6S2GG6HG2 \
  | 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: 5719a95ef691cd9c75fdcfa5a31bc73698c09f8575ee8d7e766fb064c686c12a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9548cb4b6e58ad91925a36c2df0ce6bfd468b948e35c502628619e9baeff1ce1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-20T16:13:20Z",
    "title_canon_sha256": "b594842ac29a309ac40a014638bfe25e6c1f63efaa3df3271b9254737cf0636d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14555",
    "kind": "arxiv",
    "version": 2
  }
}