Pith Number

pith:UGVKXE2H

pith:1998:UGVKXE2HMGNMZ7QAVTMJQSWWQL

not attested not anchored not stored refs pending

Extension of the Cosmic-Ray Energy Spectrum Beyond the Predicted Greisen-Zatsepin-Kuz'min Cutoff

D. Nishikawa, E. Kusano, F. Kakimoto, H. Kitamura, H. Ohoka, H. Yoshii, I. Tsushima, K. Honda, K. Kadota, K. Kamata, K. Murakami, K. Shinozaki, M. Nagano, M. Sasaki, M. Takeda, M. Teshima, N. Hayashida, N. Inoue, N. Kawasumi, N. Sakaki, N. Souma, R. Torii, S. Kawaguchi, S. Yoshida, T. Yamamoto, Y. Kawasaki, Y. Matsubara, Y. Uchihori

arxiv:astro-ph/9807193 v1 · 1998-07-18 · astro-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{UGVKXE2HMGNMZ7QAVTMJQSWWQL}

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.

Cited by

2 papers in Pith

SN 1006: A Cosmic Laboratory for Investigating Shock Acceleration Physics

On The Nonthermal Power Laws In Magnetized Turbulent Plasmas

Receipt and verification

First computed	2026-07-04T16:06:51.702087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1aaab9347619accfe00acd8984ad682f236b6d030d1ae29a1108611644bc086

Aliases

arxiv: astro-ph/9807193 · arxiv_version: astro-ph/9807193v1 · doi: 10.48550/arxiv.astro-ph/9807193 · pith_short_12: UGVKXE2HMGNM · pith_short_16: UGVKXE2HMGNMZ7QA · pith_short_8: UGVKXE2H

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/UGVKXE2HMGNMZ7QAVTMJQSWWQL \
  | 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: a1aaab9347619accfe00acd8984ad682f236b6d030d1ae29a1108611644bc086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb6f635dafd8bd6cc8ccce8d18178eede3e550198dce022150e15e9ca0afba5c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-18T09:17:38Z",
    "title_canon_sha256": "b4621cf793c66aa470284dc5867ca93515c84eed408ea155dd470add5630d59b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807193",
    "kind": "arxiv",
    "version": 1
  }
}