Pith Number

pith:FYOP4TKY

pith:2009:FYOP4TKYFIPTIEFEN42LHXER75

not attested not anchored not stored refs pending

A phenomenological model of the muon density profile on the ground of very inclined air showers

Hans Dembinski, Olivier Deligny, Pierre Billoir, Thomas Hebbeker

arxiv:0904.2372 v4 · 2009-04-15 · 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{FYOP4TKYFIPTIEFEN42LHXER75}

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	2026-05-18T02:34:59.706724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1cfe4d582a1f3410a46f34b3dc91ff5511fc1f0f2a41091111afe1b763da35

Aliases

arxiv: 0904.2372 · arxiv_version: 0904.2372v4 · doi: 10.48550/arxiv.0904.2372 · pith_short_12: FYOP4TKYFIPT · pith_short_16: FYOP4TKYFIPTIEFE · pith_short_8: FYOP4TKY

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/FYOP4TKYFIPTIEFEN42LHXER75 \
  | 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: 2e1cfe4d582a1f3410a46f34b3dc91ff5511fc1f0f2a41091111afe1b763da35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834c2ae8a7b96710f8dfde38bf5b06edf938caf331ede777733ef8af80958873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-15T18:39:24Z",
    "title_canon_sha256": "72bc7cce0fcea2ffe6e4d9eef07b244d0852cffadb3301f82715632a0666e4d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2372",
    "kind": "arxiv",
    "version": 4
  }
}