Pith Number

pith:2Y52T4Y7

pith:2018:2Y52T4Y7D4WWBWIU5FD4Y73GTS

not attested not anchored not stored refs pending

A compact and light-weight refractive telescope for the observation of extensive air showers

C. Peters, C. Wiebusch, J. Auffenberg, J. Kemp, J. Schumacher, L. Middendorf, M. Schaufel, T. Bretz, T. Hebbeker, T. Niggemann

arxiv:1804.01781 v2 · 2018-04-05 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Y52T4Y7D4WWBWIU5FD4Y73GTS}

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	2026-05-18T00:08:15.079843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63ba9f31f1f2d60d914e947cc7f669cabe1d69fe8464cc9841d50c0f5686ae4

Aliases

arxiv: 1804.01781 · arxiv_version: 1804.01781v2 · doi: 10.48550/arxiv.1804.01781 · pith_short_12: 2Y52T4Y7D4WW · pith_short_16: 2Y52T4Y7D4WWBWIU · pith_short_8: 2Y52T4Y7

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/2Y52T4Y7D4WWBWIU5FD4Y73GTS \
  | 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: d63ba9f31f1f2d60d914e947cc7f669cabe1d69fe8464cc9841d50c0f5686ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51e199db741fc4087682dd5b4355c1244acdb18bb194892aecdb77de398a9698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-05T11:10:56Z",
    "title_canon_sha256": "fd0ab834ea3a0c5ff5bca818586a7a8997f6ca23244dcb086cd924850de58128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01781",
    "kind": "arxiv",
    "version": 2
  }
}