Pith Number

pith:FIAD7LU5

pith:2025:FIAD7LU5IX4P5EAR63SCYWBUA4

not attested not anchored not stored refs pending

Refining the Greisen Profile for Low-Energy Cosmic Gamma-Rays: Quantifying Deviations Across Altitudes and Zenith Angles

B\'arbara Gutierrez, Constanza Valdivieso, Nicol\'as Viaux M, Raquel Pezoa R, Sebasti\'an Mendizabal, Sebasti\'an Tapia

arxiv:2509.16847 v1 · 2025-09-21 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIAD7LU5IX4P5EAR63SCYWBUA4}

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	2026-05-28T02:04:42.940344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a003fae9d45f8fe9011f6e42c58340734b228fd14bbd6492f47192eb7023c07

Aliases

arxiv: 2509.16847 · arxiv_version: 2509.16847v1 · doi: 10.48550/arxiv.2509.16847 · pith_short_12: FIAD7LU5IX4P · pith_short_16: FIAD7LU5IX4P5EAR · pith_short_8: FIAD7LU5

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/FIAD7LU5IX4P5EAR63SCYWBUA4 \
  | 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: 2a003fae9d45f8fe9011f6e42c58340734b228fd14bbd6492f47192eb7023c07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6689a47b22820b6256959c522b788175c9614b9ddd4c227da92a3db3810c2b7",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-09-21T00:05:18Z",
    "title_canon_sha256": "10ce4e1c3f380d30d9cd561a26881662c905363c1d5c0eb65bd58c09b51c167a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.16847",
    "kind": "arxiv",
    "version": 1
  }
}