Pith Number

pith:4ZIUHGT4

pith:2013:4ZIUHGT4XPVR7XAHTJYYMT52DM

not attested not anchored not stored refs pending

The lateral shower age parameter as an estimator of chemical composition

A. Etchegoyen, A. Sedoski Croce, A. Tapia, B. Garc\'ia, B. Wundheiler, D. Melo, D. Ravignani, F. S\'anchez, I. Sidelnik, J. M. Figueira, M. Josebachuili, N. Gonz\'alez, R. F. Gamarra

arxiv:1309.3536 v1 · 2013-09-13 · astro-ph.HE · 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{4ZIUHGT4XPVR7XAHTJYYMT52DM}

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	2026-05-18T03:13:22.277410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e651439a7cbbeb1fdc079a71864fba1b0765c179f1e1bea63dc96c2281de2326

Aliases

arxiv: 1309.3536 · arxiv_version: 1309.3536v1 · doi: 10.48550/arxiv.1309.3536 · pith_short_12: 4ZIUHGT4XPVR · pith_short_16: 4ZIUHGT4XPVR7XAH · pith_short_8: 4ZIUHGT4

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/4ZIUHGT4XPVR7XAHTJYYMT52DM \
  | 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: e651439a7cbbeb1fdc079a71864fba1b0765c179f1e1bea63dc96c2281de2326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51d332cdd0903ca89851d5e0128accaa4f7e2177890685d40229339e9598b252",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-13T18:36:44Z",
    "title_canon_sha256": "7ebf2ee7b533caa378f7b3c82681154d2e3544cc4c4a8ccda9252d19057a364c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3536",
    "kind": "arxiv",
    "version": 1
  }
}