Pith Number

pith:ULQOXN7V

pith:2003:ULQOXN7VHJ2II7JDHDLIDFICDF

not attested not anchored not stored refs pending

Ultra-High Energy Cosmic Rays in a Structured and Magnetized Universe

Francesco Miniati, Guenter Sigl (GReCO, IAP), Torsten Ensslin (MPA)

arxiv:astro-ph/0302388 v2 · 2003-02-19 · astro-ph · 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{ULQOXN7VHJ2II7JDHDLIDFICDF}

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	2026-07-04T16:36:31.112548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e0ebb7f53a74847d2338d6819502196370c968010b9acf11c958a5d6afa339

Aliases

arxiv: astro-ph/0302388 · arxiv_version: astro-ph/0302388v2 · doi: 10.48550/arxiv.astro-ph/0302388 · pith_short_12: ULQOXN7VHJ2I · pith_short_16: ULQOXN7VHJ2II7JD · pith_short_8: ULQOXN7V

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/ULQOXN7VHJ2II7JDHDLIDFICDF \
  | 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: a2e0ebb7f53a74847d2338d6819502196370c968010b9acf11c958a5d6afa339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "529d82bf1516e46f4567f83d83416803e245292028acf8bdb496c7041590f978",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-19T15:38:19Z",
    "title_canon_sha256": "1857ecc15d300ceee6644c9e4781a8b9d202a271112a34a05f08160d936e564f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302388",
    "kind": "arxiv",
    "version": 2
  }
}