Pith Number

pith:4RIHZKC5

pith:2025:4RIHZKC5IFSINDC76M62Y4SZKH

not attested not anchored not stored refs pending

HRRRCast: a data-driven emulator for regional weather forecasting at convection allowing scales

Corey Potvin, Daniel Abdi, Isidora Jankov, Montgomery Flora, Paul Madden, Sergey Frolov, Timothy A. Smith, Vanderlei Vargas

arxiv:2507.05658 v1 · 2025-07-08 · 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{4RIHZKC5IFSINDC76M62Y4SZKH}

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	2026-06-02T02:04:07.050522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4507ca85d4164868c5ff33dac725951e741f4640fe91abd1a2462a797072a2c

Aliases

arxiv: 2507.05658 · arxiv_version: 2507.05658v1 · doi: 10.48550/arxiv.2507.05658 · pith_short_12: 4RIHZKC5IFSI · pith_short_16: 4RIHZKC5IFSINDC7 · pith_short_8: 4RIHZKC5

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/4RIHZKC5IFSINDC76M62Y4SZKH \
  | 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: e4507ca85d4164868c5ff33dac725951e741f4640fe91abd1a2462a797072a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b2eb74c432c61120c9d355f6949990cdee74674f3a452b5399b0e1036307be4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-07-08T04:26:47Z",
    "title_canon_sha256": "9ca15416592e7303ba291b1ebe63c8a037191a9d17ebbf9ed0e797684f098ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05658",
    "kind": "arxiv",
    "version": 1
  }
}