Pith Number

pith:2NYOZOTJ

pith:2025:2NYOZOTJV5WXVWZXC62QSC6D55

not attested not anchored not stored refs pending

Ultra High Energy Cosmic Rays

No\'emie Globus, Roger Blandford

arxiv:2505.21846 v1 · 2025-05-28 · 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{2NYOZOTJV5WXVWZXC62QSC6D55}

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	2026-07-05T11:11:04.658692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d370ecba69af6d7adb3717b5090bc3ef7dcf8e93975862c60b0c62db4b5db3f4

Aliases

arxiv: 2505.21846 · arxiv_version: 2505.21846v1 · doi: 10.48550/arxiv.2505.21846 · pith_short_12: 2NYOZOTJV5WX · pith_short_16: 2NYOZOTJV5WXVWZX · pith_short_8: 2NYOZOTJ

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/2NYOZOTJV5WXVWZXC62QSC6D55 \
  | 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: d370ecba69af6d7adb3717b5090bc3ef7dcf8e93975862c60b0c62db4b5db3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a60603f2e406367740e829d88a10c3f6ced10b5502d5f12bc7b7f7890a72a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-28T00:25:23Z",
    "title_canon_sha256": "9a6e52a27db733abe0a7018e46472fefa772712a1b1e3353015579baba958c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21846",
    "kind": "arxiv",
    "version": 1
  }
}