Pith Number

pith:DBP7UKGR

pith:2026:DBP7UKGR25PPSPTSB5FASUXUV3

not attested not anchored not stored refs pending

Environmental $\gamma$-Ray Flux in Hall C at LNGS and Its Correlation with Radon Activity

C. Ghiano, D. Cano-Ott, G. Vera D\'iaz, G. Zuzel, J. Plaza del Olmo, L. Luzzi, M. Laubenstein, P. Agnes, R. Santorelli, T. Mroz, V. Pesudo Fortes

Environmental gamma-ray flux in Hall C at LNGS averages 0.46 cm^{-2} s^{-1} between 57 and 2800 keV and correlates directly with radon levels.

arxiv:2605.09835 v2 · 2026-05-11 · physics.ins-det

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\pithnumber{DBP7UKGR25PPSPTSB5FASUXUV3}

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1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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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.

Claims

C1strongest claim

In the energy range of 57-2800 keV, the average γ-ray flux is measured to be (0.46 ± 0.06_stat ± 0.03_syst) cm^{-2} s^{-1}. A clear correlation is observed between the environmental γ-ray rate and the ambient radon concentration, consistent with the short-lived daughters of 222Rn.

C2weakest assumption

The Geant4 simulations correctly model the full-energy-peak efficiencies and detector response for the actual environmental gamma spectrum at all eight locations; any mismatch would directly scale the reported flux.

C3one line summary

The average environmental gamma-ray flux in Hall C at LNGS is 0.46 cm^{-2} s^{-1} (57-2800 keV) and correlates with ambient radon concentration.

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-06-03T01:05:51.234018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185ffa28d1d75ef93e720f4a0952f4aeeb0055c700e5bbd06ab0d1608719406d

Aliases

arxiv: 2605.09835 · arxiv_version: 2605.09835v2 · doi: 10.48550/arxiv.2605.09835 · pith_short_12: DBP7UKGR25PP · pith_short_16: DBP7UKGR25PPSPTS · pith_short_8: DBP7UKGR

Agent API

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DBP7UKGR25PPSPTSB5FASUXUV3 \
  | 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: 185ffa28d1d75ef93e720f4a0952f4aeeb0055c700e5bbd06ab0d1608719406d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff7555b662b2d265366f9faeae92f4a2aff942a3dda54b5756fe6fcacb492236",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2026-05-11T00:32:20Z",
    "title_canon_sha256": "b9b147376af208c0102fcf3a28ad4bbffbf9dc6853eb4c036802ef7ac0206a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.09835",
    "kind": "arxiv",
    "version": 2
  }
}