Pith Number

pith:LLPP2BZR

pith:2019:LLPP2BZRW5BXKZKSSN4CLGOPEJ

not attested not anchored not stored refs pending

What is the nature and origin of the highest-energy particles in the universe?

Angela Olinto, Corbin Covault, David Nitz, Douglas Bergman, Fred Sarazin, Glennys Farrar, James Beatty, John Krizmanic, Lawrence Wiencke, Luis Anchordoqui, Michael Unger, Peter Tinyakov

arxiv:1903.04063 v2 · 2019-03-10 · 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{LLPP2BZRW5BXKZKSSN4CLGOPEJ}

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	2026-05-17T23:47:57.761662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5adefd0731b74375655293782599cf227957b59cefaa37c4de71443539b83019

Aliases

arxiv: 1903.04063 · arxiv_version: 1903.04063v2 · doi: 10.48550/arxiv.1903.04063 · pith_short_12: LLPP2BZRW5BX · pith_short_16: LLPP2BZRW5BXKZKS · pith_short_8: LLPP2BZR

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/LLPP2BZRW5BXKZKSSN4CLGOPEJ \
  | 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: 5adefd0731b74375655293782599cf227957b59cefaa37c4de71443539b83019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e518a1929fe160b5d5a532ac17fbf50679f98e9a91a040f95736c3a69bc527e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-10T21:56:28Z",
    "title_canon_sha256": "77dc258bbf8b6c8548d2b13ed23814e0eb38e0a35c603325f7032a033c13fcbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04063",
    "kind": "arxiv",
    "version": 2
  }
}