Pith Number

pith:QJT42MQZ

pith:2025:QJT42MQZ3IEK7UI7SOQ2N6QU4L

not attested not anchored not stored refs pending

A Heavy-Metal Scenario of Ultra-High-Energy Cosmic Rays

Alena Bakalov\'a, Ana L. M\"uller, Jakub V\'icha, Maximilian K. Stadelmaier, Olena Tkachenko

arxiv:2504.11985 v3 · 2025-04-16 · 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{QJT42MQZ3IEK7UI7SOQ2N6QU4L}

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	2026-07-05T11:24:53.011920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8267cd3219da08afd11f93a1a6fa14e2c32b26f45ed813948caa6b23e7da78e7

Aliases

arxiv: 2504.11985 · arxiv_version: 2504.11985v3 · doi: 10.48550/arxiv.2504.11985 · pith_short_12: QJT42MQZ3IEK · pith_short_16: QJT42MQZ3IEK7UI7 · pith_short_8: QJT42MQZ

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/QJT42MQZ3IEK7UI7SOQ2N6QU4L \
  | 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: 8267cd3219da08afd11f93a1a6fa14e2c32b26f45ed813948caa6b23e7da78e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "210b288c2e9b33cb890be754a1b8fc4742d27edc407155e624644e0dcb580d04",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-16T11:27:23Z",
    "title_canon_sha256": "2b5b7253a6d7633929b703b671223266b5d650c3c16266c8d940e776daa58581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.11985",
    "kind": "arxiv",
    "version": 3
  }
}