Pith Number

pith:GM44SYD4

pith:2013:GM44SYD4KRQFCT54M43GCG6XDV

not attested not anchored not stored refs pending

Understanding the Effect of Atmospheric Density on the Cosmic Ray Flux Variations at the Earth Surface

Carola Butler, Mathes Dayananda, Xiaochun He, Xiaohang Zhang

arxiv:1303.7191 v1 · 2013-03-28 · physics.ao-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GM44SYD4KRQFCT54M43GCG6XDV}

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	2026-05-18T03:29:38.057670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3339c9607c5460514fbc6736611bd71d4909f4f339bef4e6988b19e78ebfac32

Aliases

arxiv: 1303.7191 · arxiv_version: 1303.7191v1 · doi: 10.48550/arxiv.1303.7191 · pith_short_12: GM44SYD4KRQF · pith_short_16: GM44SYD4KRQFCT54 · pith_short_8: GM44SYD4

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/GM44SYD4KRQFCT54M43GCG6XDV \
  | 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: 3339c9607c5460514fbc6736611bd71d4909f4f339bef4e6988b19e78ebfac32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5453ad37ad51c17370948680139a91e5d6e9891cbf411418fb01230620a1321d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2013-03-28T17:47:24Z",
    "title_canon_sha256": "986ba60af7d9b93c3dbda022e5ec6723489fcbffc3727d668a061ed4ff325bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7191",
    "kind": "arxiv",
    "version": 1
  }
}