Pith Number

pith:N2UNHQVJ

pith:2009:N2UNHQVJQW6KHUDCWVUMZ54Q7J

not attested not anchored not stored refs pending

Test of the hadronic interaction model EPOS with air shower data

et al., KASCADE-Grande Collaboration: W.D. Apel

arxiv:0901.4650 v1 · 2009-01-29 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2UNHQVJQW6KHUDCWVUMZ54Q7J}

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	2026-05-18T03:48:02.922842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea8d3c2a985bca3d062b568ccf790fa7158ce39db96613e3f042c0df8eadce2

Aliases

arxiv: 0901.4650 · arxiv_version: 0901.4650v1 · doi: 10.48550/arxiv.0901.4650 · pith_short_12: N2UNHQVJQW6K · pith_short_16: N2UNHQVJQW6KHUDC · pith_short_8: N2UNHQVJ

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/N2UNHQVJQW6KHUDCWVUMZ54Q7J \
  | 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: 6ea8d3c2a985bca3d062b568ccf790fa7158ce39db96613e3f042c0df8eadce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccd6b7508cb7a50aaeb7da91e311ec4e59b63995808fd12a3f9622e8473d7fb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-29T11:15:47Z",
    "title_canon_sha256": "766586ee21f0ab40840d3174861b7ed50c5b124ee0782663349c07969fb8db52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4650",
    "kind": "arxiv",
    "version": 1
  }
}