Pith Number

pith:WUEFEDPF

pith:2011:WUEFEDPFDY35TRS7TP5W7C4KTY

not attested not anchored not stored refs pending

Ultrahigh Energy Cosmic Rays: Facts, Myths, and Legends

Luis Alfredo Anchordoqui

arxiv:1104.0509 v1 · 2011-04-04 · 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{WUEFEDPFDY35TRS7TP5W7C4KTY}

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	2026-05-18T02:22:11.251757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b508520de51e37d9c65f9bfb6f8b8a9e2b0b850e0571750f67c076eb04218dbd

Aliases

arxiv: 1104.0509 · arxiv_version: 1104.0509v1 · doi: 10.48550/arxiv.1104.0509 · pith_short_12: WUEFEDPFDY35 · pith_short_16: WUEFEDPFDY35TRS7 · pith_short_8: WUEFEDPF

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/WUEFEDPFDY35TRS7TP5W7C4KTY \
  | 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: b508520de51e37d9c65f9bfb6f8b8a9e2b0b850e0571750f67c076eb04218dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26850b051478b2b5d9476d2857df655b19e7d2716879767594ce76fd5e28db1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-04-04T09:46:22Z",
    "title_canon_sha256": "de1e2ac4696ac28fc8dab422fbe712ba66d57c21daea2e5a2289b58d0e875f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0509",
    "kind": "arxiv",
    "version": 1
  }
}