Pith Number

pith:2RKMNBFO

pith:2013:2RKMNBFOBEF5BSISZ4URYUTIIT

not attested not anchored not stored refs pending

The air shower maximum probed by Cherenkov effects from radio emission

Klaus Werner, Krijn D. de Vries, Olaf Scholten

arxiv:1304.1321 v1 · 2013-04-04 · 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{2RKMNBFOBEF5BSISZ4URYUTIIT}

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	2026-05-18T03:29:04.049433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d454c684ae090bd0c912cf291c526844d83c072f4d58a8490a85d17ba174abf1

Aliases

arxiv: 1304.1321 · arxiv_version: 1304.1321v1 · doi: 10.48550/arxiv.1304.1321 · pith_short_12: 2RKMNBFOBEF5 · pith_short_16: 2RKMNBFOBEF5BSIS · pith_short_8: 2RKMNBFO

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/2RKMNBFOBEF5BSISZ4URYUTIIT \
  | 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: d454c684ae090bd0c912cf291c526844d83c072f4d58a8490a85d17ba174abf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53537f9fbf167d42ca92a6d1d1c937205c86ea6e49c7c25de73bac3b83457db0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-04T11:10:39Z",
    "title_canon_sha256": "de47c8bf5a18cf4d9a3eaba3a9a792e000845040d0be5d36792b7a50d53f3b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1321",
    "kind": "arxiv",
    "version": 1
  }
}