Pith Number

pith:GDU3K6KS

pith:2019:GDU3K6KSSO7UX4L5R4PIBZOPCI

not attested not anchored not stored refs pending

The muon intensity in the Felsenkeller shallow underground laboratory

D. Bemmerer, D. Degering, F. Ludwig, G. G. Barnaf\"oldi, G. Sur\'anyi, K. Schmidt, K. Zuber, L. Wagner, T. Al-Abdullah, T. Sz\"ucs

arxiv:1904.11501 v1 · 2019-04-25 · physics.ins-det · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDU3K6KSSO7UX4L5R4PIBZOPCI}

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	2026-05-17T23:46:40.760869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30e9b5795293bf4bf17d8f1e80e5cf12053387f56f803da618dbb0eb4553db15

Aliases

arxiv: 1904.11501 · arxiv_version: 1904.11501v1 · doi: 10.48550/arxiv.1904.11501 · pith_short_12: GDU3K6KSSO7U · pith_short_16: GDU3K6KSSO7UX4L5 · pith_short_8: GDU3K6KS

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/GDU3K6KSSO7UX4L5R4PIBZOPCI \
  | 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: 30e9b5795293bf4bf17d8f1e80e5cf12053387f56f803da618dbb0eb4553db15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3505eb292e5d7d207decd7faa9d3cd4d4fa46b59b89f159efbaddbdbbe918e",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-04-25T14:04:23Z",
    "title_canon_sha256": "cb679540622a783f21721557a87cc1f1314be1871184acd060422438db4d5a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11501",
    "kind": "arxiv",
    "version": 1
  }
}