Pith Number

pith:SMOHKME7

pith:2009:SMOHKME7JJBWKD5P72LW4PEYES

not attested not anchored not stored refs pending

A Parametrization of Cosmic Ray Shower Profiles Based on Shower Width

B.R. Becker, J.A.J. Matthews, J.D. Hague, M.S. Gold, R. Mesler

arxiv:0909.4014 v2 · 2009-09-22 · 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{SMOHKME7JJBWKD5P72LW4PEYES}

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	2026-05-18T02:34:28.200937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

931c75309f4a43650faffe976e3c9824bcf89dfcc77d50eb86001713928ff10a

Aliases

arxiv: 0909.4014 · arxiv_version: 0909.4014v2 · doi: 10.48550/arxiv.0909.4014 · pith_short_12: SMOHKME7JJBW · pith_short_16: SMOHKME7JJBWKD5P · pith_short_8: SMOHKME7

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/SMOHKME7JJBWKD5P72LW4PEYES \
  | 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: 931c75309f4a43650faffe976e3c9824bcf89dfcc77d50eb86001713928ff10a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d57728692e8179d893f2f8490d63c6e3ab895a9c835c034e9b5b34f28332401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-09-22T15:00:04Z",
    "title_canon_sha256": "e47c2b6a62a2954bbda7e8640db95ab5e96bfd0e0d9858f1fa5c611494785ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4014",
    "kind": "arxiv",
    "version": 2
  }
}