Pith Number

pith:7CQ5WH7J

pith:2025:7CQ5WH7JVQFF7GXSM3NFI4CPVZ

not attested not anchored not stored refs pending

Stop using root-mean-square error as a precipitation target!

Kieran M. R. Hunt

arxiv:2509.08369 v1 · 2025-09-10 · 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{7CQ5WH7JVQFF7GXSM3NFI4CPVZ}

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

1 paper in Pith

AirQualityBench: A Realistic Evaluation Benchmark for Global Air Quality Forecasting

Receipt and verification

First computed	2026-07-05T12:08:28.766985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a1db1fe9ac0a5f9af266da54704fae45592bd682f292ba11c49b978e662dd6

Aliases

arxiv: 2509.08369 · arxiv_version: 2509.08369v1 · doi: 10.48550/arxiv.2509.08369 · pith_short_12: 7CQ5WH7JVQFF · pith_short_16: 7CQ5WH7JVQFF7GXS · pith_short_8: 7CQ5WH7J

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/7CQ5WH7JVQFF7GXSM3NFI4CPVZ \
  | 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: f8a1db1fe9ac0a5f9af266da54704fae45592bd682f292ba11c49b978e662dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950e47d31ebfd10bbd1a63aa5ae1981b6276e06f404cdc7eec3add79bf5f523f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-09-10T08:06:24Z",
    "title_canon_sha256": "42a7ca7bb69dd2af02c900aab322133cabb175ff12c52f1faac2cec98bff926a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08369",
    "kind": "arxiv",
    "version": 1
  }
}