Pith Number

pith:GGEIKPZL

pith:2004:GGEIKPZLRPFLQ7NQROITXCIR33

not attested not anchored not stored refs pending

Astrophysical Origins of Ultrahigh Energy Cosmic Rays

Diego F. Torres, Luis A. Anchordoqui

arxiv:astro-ph/0402371 v3 · 2004-02-16 · astro-ph · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GGEIKPZLRPFLQ7NQROITXCIR33}

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	2026-05-18T02:40:26.553238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3188853f2b8bcab87db08b913b8911dedde0e62b9e17616cf023652e8b115dc2

Aliases

arxiv: astro-ph/0402371 · arxiv_version: astro-ph/0402371v3 · doi: 10.48550/arxiv.astro-ph/0402371 · pith_short_12: GGEIKPZLRPFL · pith_short_16: GGEIKPZLRPFLQ7NQ · pith_short_8: GGEIKPZL

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/GGEIKPZLRPFLQ7NQROITXCIR33 \
  | 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: 3188853f2b8bcab87db08b913b8911dedde0e62b9e17616cf023652e8b115dc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca043de33468455fc815789aa42231897c9959101f9c0a15f7c9c999ade4844",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-16T17:20:36Z",
    "title_canon_sha256": "07a0a62385eb057db02477bdeb5f63518fc59dbfc49453314c3fab3b34db973f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402371",
    "kind": "arxiv",
    "version": 3
  }
}