Pith Number

pith:4GVQHPB2

pith:2026:4GVQHPB2E2P6YMJYURIUAGGQBT

not attested not anchored not stored refs pending

Error Growth Dynamic and Predictability of Tropical Cyclone in Machine Learning Weather Prediction Model

Hao Li, Jie Feng, Jingchen Pu, Mu Mu

arxiv:2603.26165 v1 · 2026-03-27 · 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{4GVQHPB2E2P6YMJYURIUAGGQBT}

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	2026-07-28T01:22:32.209248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1ab03bc3a269fec3138a4514018d00ce7d0f1a2fa16417401467ed07c5b24b2

Aliases

arxiv: 2603.26165 · arxiv_version: 2603.26165v1 · doi: 10.48550/arxiv.2603.26165 · pith_short_12: 4GVQHPB2E2P6 · pith_short_16: 4GVQHPB2E2P6YMJY · pith_short_8: 4GVQHPB2

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/4GVQHPB2E2P6YMJYURIUAGGQBT \
  | 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: e1ab03bc3a269fec3138a4514018d00ce7d0f1a2fa16417401467ed07c5b24b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56ac3b2b24314580e27526a9cdab986ffdf279f0a565580a1836570c4b2de31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-03-27T08:32:37Z",
    "title_canon_sha256": "a623015c05ae07ad486575ae3501dcea9b8c219161ee15ea357ec8ebc58e2dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.26165",
    "kind": "arxiv",
    "version": 1
  }
}