Pith Number

pith:FRXCWFTJ

pith:2025:FRXCWFTJX3LOEEIQ5VDHEZKH52

not attested not anchored not stored refs pending

Using Cosmic Rays to Predict the Weather: Meteorological Data Assimilation of Atmospheric Muon Flux Data

Man-Yau Chan, William Luszczak

arxiv:2509.04627 v1 · 2025-09-04 · physics.ao-ph · astro-ph.EP · astro-ph.IM · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRXCWFTJX3LOEEIQ5VDHEZKH52}

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	2026-07-05T12:05:26.593109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6e2b1669bed6e21110ed46726547ee979d70b71575f0fbda21b16cdd29b8f9

Aliases

arxiv: 2509.04627 · arxiv_version: 2509.04627v1 · doi: 10.48550/arxiv.2509.04627 · pith_short_12: FRXCWFTJX3LO · pith_short_16: FRXCWFTJX3LOEEIQ · pith_short_8: FRXCWFTJ

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/FRXCWFTJX3LOEEIQ5VDHEZKH52 \
  | 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: 2c6e2b1669bed6e21110ed46726547ee979d70b71575f0fbda21b16cdd29b8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67c69dede075120ce0e89791af8dd8c382494d233f3cbadd17527fa403120a74",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-09-04T19:25:50Z",
    "title_canon_sha256": "3b6f13ff269a6a3494bd54f4d1b6dba214a7421a7d05dc15c198c5f04ac1ae3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04627",
    "kind": "arxiv",
    "version": 1
  }
}