{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:YWTIUTSOTORZDARD5CB4UNAD56","short_pith_number":"pith:YWTIUTSO","schema_version":"1.0","canonical_sha256":"c5a68a4e4e9ba3918223e883ca3403ef9fb7caaed04652b2c9e1023a293a242c","source":{"kind":"arxiv","id":"1911.04836","version":1},"attestation_state":"computed","paper":{"title":"$^{222}$Rn contamination mechanisms on acrylic surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Bergnoli, A. Brigatti, A. Budano, A. Cammi, A.C. Re, A. Fabbri, A. Formozov, A. Garfagnini, A. Giaz, A. Martini, A. Paoloni, A. Paonessa, A. Romani, A. Serafini, B. Ricci, C. Clementi, C. Landini, C. Martellini, C. Sirignano, C. Tuv\\`e, D. Chiesa, D. Corti, E. Meroni, E. Previtali, E. Quadrivi, F. Dal Corso, F.H. Sawi, F. Mantovani, F. Marini, F. Ortica, G. Andronico, G. Fiorentini, G. Galet, G. Ranucci, G. Salamanna, G. Settanta, G. Verde, I. Lippi, L. Miramonti, L. Stanco, L. Votano, M. Bellato, M. Buscemi, M. Giammarchi, M. Grassi, M. Mezzetto, M. Montuschi, M. Nastasi, M. Sisti, N. Pelliccia, P. Lombardi, P. Montini, P. Saggese, R. Brugnera, R. Caruso, R. Ford, R. Isocrate, S. Aiello, S. Costa, S. Dusini, S.M. Mari, S. Parmeggiano, V. Antonelli, V. Strati, W. Baldini, X.F. Ding, Y. Malyshkin","submitted_at":"2019-11-12T13:26:04Z","abstract_excerpt":"In this work, the $^{222}$Rn contamination mechanisms on acrylic surfaces have been investigated. $^{222}$Rn can represent a significant background source for low-background experiments, and acrylic is a suitable material for detector design thanks to its purity and transparency. Four acrylic samples have been exposed to a $^{222}$Rn rich environment for different time periods, being contaminated by $^{222}$Rn and its progenies. Subsequently, the time evolution of radiocontaminants activity on the samples has been evaluated with $\\alpha$ and $\\gamma$ measurements, highlighting the role of diff"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1911.04836","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-11-12T13:26:04Z","cross_cats_sorted":[],"title_canon_sha256":"04711561439256fbd396e992c55c8470568ccf71fcf4d2860d9db71dea051c38","abstract_canon_sha256":"016bcb404958aadb0928ac63d015d1ee0441f8311ef224e93d6850e85432031f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:18:45.570251Z","signature_b64":"7BlKxKf7P5zgA1Dm+2ILbhtPq6UBsvGdaJE/HdZyn4SJCI6B44Eu3RzwcT9ezYKRDRrFMvmeL+kpFBC2/AxBDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5a68a4e4e9ba3918223e883ca3403ef9fb7caaed04652b2c9e1023a293a242c","last_reissued_at":"2026-07-05T00:18:45.569838Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:18:45.569838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$^{222}$Rn contamination mechanisms on acrylic surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Bergnoli, A. Brigatti, A. Budano, A. Cammi, A.C. Re, A. Fabbri, A. Formozov, A. Garfagnini, A. Giaz, A. Martini, A. Paoloni, A. Paonessa, A. Romani, A. Serafini, B. Ricci, C. Clementi, C. Landini, C. Martellini, C. Sirignano, C. Tuv\\`e, D. Chiesa, D. Corti, E. Meroni, E. Previtali, E. Quadrivi, F. Dal Corso, F.H. Sawi, F. Mantovani, F. Marini, F. Ortica, G. Andronico, G. Fiorentini, G. Galet, G. Ranucci, G. Salamanna, G. Settanta, G. Verde, I. Lippi, L. Miramonti, L. Stanco, L. Votano, M. Bellato, M. Buscemi, M. Giammarchi, M. Grassi, M. Mezzetto, M. Montuschi, M. Nastasi, M. Sisti, N. Pelliccia, P. Lombardi, P. Montini, P. Saggese, R. Brugnera, R. Caruso, R. Ford, R. Isocrate, S. Aiello, S. Costa, S. Dusini, S.M. Mari, S. Parmeggiano, V. Antonelli, V. Strati, W. Baldini, X.F. Ding, Y. Malyshkin","submitted_at":"2019-11-12T13:26:04Z","abstract_excerpt":"In this work, the $^{222}$Rn contamination mechanisms on acrylic surfaces have been investigated. $^{222}$Rn can represent a significant background source for low-background experiments, and acrylic is a suitable material for detector design thanks to its purity and transparency. Four acrylic samples have been exposed to a $^{222}$Rn rich environment for different time periods, being contaminated by $^{222}$Rn and its progenies. Subsequently, the time evolution of radiocontaminants activity on the samples has been evaluated with $\\alpha$ and $\\gamma$ measurements, highlighting the role of diff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.04836","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.04836/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1911.04836","created_at":"2026-07-05T00:18:45.569895+00:00"},{"alias_kind":"arxiv_version","alias_value":"1911.04836v1","created_at":"2026-07-05T00:18:45.569895+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.04836","created_at":"2026-07-05T00:18:45.569895+00:00"},{"alias_kind":"pith_short_12","alias_value":"YWTIUTSOTORZ","created_at":"2026-07-05T00:18:45.569895+00:00"},{"alias_kind":"pith_short_16","alias_value":"YWTIUTSOTORZDARD","created_at":"2026-07-05T00:18:45.569895+00:00"},{"alias_kind":"pith_short_8","alias_value":"YWTIUTSO","created_at":"2026-07-05T00:18:45.569895+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56","json":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56.json","graph_json":"https://pith.science/api/pith-number/YWTIUTSOTORZDARD5CB4UNAD56/graph.json","events_json":"https://pith.science/api/pith-number/YWTIUTSOTORZDARD5CB4UNAD56/events.json","paper":"https://pith.science/paper/YWTIUTSO"},"agent_actions":{"view_html":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56","download_json":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56.json","view_paper":"https://pith.science/paper/YWTIUTSO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1911.04836&json=true","fetch_graph":"https://pith.science/api/pith-number/YWTIUTSOTORZDARD5CB4UNAD56/graph.json","fetch_events":"https://pith.science/api/pith-number/YWTIUTSOTORZDARD5CB4UNAD56/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56/action/storage_attestation","attest_author":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56/action/author_attestation","sign_citation":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56/action/citation_signature","submit_replication":"https://pith.science/pith/YWTIUTSOTORZDARD5CB4UNAD56/action/replication_record"}},"created_at":"2026-07-05T00:18:45.569895+00:00","updated_at":"2026-07-05T00:18:45.569895+00:00"}