Pith Number

pith:QMRV2LZM

pith:2010:QMRV2LZMBVGECI4JBH5GTEBSPU

not attested not anchored not stored refs pending

Coherent Cherenkov radio pulses from hadronic showers up to EeV energies

Enrique Zas, Jaime Alvarez-Muniz, Matias Tueros, Washington R. Carvalho Jr.

arxiv:1005.0552 v2 · 2010-05-04 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMRV2LZMBVGECI4JBH5GTEBSPU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:57:53.716985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83235d2f2c0d4c41238909fa6990327d3377e241527d6372d7104ff76068404f

Aliases

arxiv: 1005.0552 · arxiv_version: 1005.0552v2 · doi: 10.48550/arxiv.1005.0552 · pith_short_12: QMRV2LZMBVGE · pith_short_16: QMRV2LZMBVGECI4J · pith_short_8: QMRV2LZM

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/QMRV2LZMBVGECI4JBH5GTEBSPU \
  | 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: 83235d2f2c0d4c41238909fa6990327d3377e241527d6372d7104ff76068404f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af5ff2a4bbf4caa173014e5a37ea6e3c70a5256668dbc7bc45c522aeb6186e43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-04T15:17:36Z",
    "title_canon_sha256": "926df9e7f373c3a050e918d5cde6f03fc8904eead7ae7e731a134cd46cabd5d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0552",
    "kind": "arxiv",
    "version": 2
  }
}