Pith Number

pith:WWSGZWSM

pith:2019:WWSGZWSMV4LXYXYQ5PBO3NF5EY

not attested not anchored not stored refs pending

Zenith angle dependence of the cosmic ray rate as measured with Imaging air-Cherenkov Telescopes

Thomas Bretz

arxiv:1902.03875 v1 · 2019-02-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWSGZWSMV4LXYXYQ5PBO3NF5EY}

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.

Cited by

1 paper in Pith

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421

Receipt and verification

First computed	2026-05-17T23:48:50.148457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a46cda4caf177c5f10ebc2edb4bd26218c6fb1939a7559f322f119ba01e19d

Aliases

arxiv: 1902.03875 · arxiv_version: 1902.03875v1 · doi: 10.48550/arxiv.1902.03875 · pith_short_12: WWSGZWSMV4LX · pith_short_16: WWSGZWSMV4LXYXYQ · pith_short_8: WWSGZWSM

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/WWSGZWSMV4LXYXYQ5PBO3NF5EY \
  | 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: b5a46cda4caf177c5f10ebc2edb4bd26218c6fb1939a7559f322f119ba01e19d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5fd3bdec6a01c661f0b1d08a561628ca16af95e1a31aef3e339102a55e22123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-11T13:55:00Z",
    "title_canon_sha256": "3a7578475e7c589dfcaa405fe64a4dd71bbbb67a5c63c7ad3e9e43a6ab36e10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03875",
    "kind": "arxiv",
    "version": 1
  }
}