{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MPA5UVLHF5BXD33SSKC4AG3JFN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"18b89f42475cdb1023dd71c391d5a8a5de7a66a49e244b6c2f81fe180d69d2ad","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-12-16T19:00:01Z","title_canon_sha256":"f6835511cd7438554fd367af4afb607c5bddb9a40c010703bd97761391e12701"},"schema_version":"1.0","source":{"id":"2512.14815","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.14815","created_at":"2026-08-03T01:27:31Z"},{"alias_kind":"arxiv_version","alias_value":"2512.14815v2","created_at":"2026-08-03T01:27:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.14815","created_at":"2026-08-03T01:27:31Z"},{"alias_kind":"pith_short_12","alias_value":"MPA5UVLHF5BX","created_at":"2026-08-03T01:27:31Z"},{"alias_kind":"pith_short_16","alias_value":"MPA5UVLHF5BXD33S","created_at":"2026-08-03T01:27:31Z"},{"alias_kind":"pith_short_8","alias_value":"MPA5UVLH","created_at":"2026-08-03T01:27:31Z"}],"graph_snapshots":[{"event_id":"sha256:59d49457ed0efd9a29199e2c01e84efa7b75a3b5b230838726a2301809e95f92","target":"graph","created_at":"2026-08-03T01:27:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.14815/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Underground laboratories provide the ultra-low background and low-vibration environments essential for rare-event searches, gravitational-wave detection, and quantum-sensing technologies. We report a comprehensive environmental characterisation of the Bedretto tunnel in Ticino, Switzerland, a site offering horizontal access, excellent infrastructure, and the potential to be be Europe's second-deepest and quietest underground laboratory. At the prospective physics site, located beneath an overburden exceeding 1400 m, we measure the cosmic-muon, gamma-ray, and neutron fluxes, as well as the rado","authors_text":"Abigail Flowers, Alexander Kavner, Aravind Sreekala, Ben Kilminster, Bj\\\"orn Penning, Boris Korzh, Chiara Capelli, Christian Regenfus, Domenico Giardini, Evangelos-Leonidas Gkougkousis, Federico Sanchez, Florian J\\\"org, Francesco Piastra, Francesco Riva, Frederick Massin, Guandi Zhao, Harvey Birch, Johannes W\\\"uthrich, John Clinton, Jose Cuenca Garc\\'ia, Knut Dundas Mor{\\aa}, Laura Baudis, Luisa H\\\"otzsch, Marcelle Soares-Santos, Margherita Noia, Marian Hertrich, Mathilde Wimez, Michele Weber, Nicolas Angelides, Paolo Crivelli, Philippe Jetzer, Rebecca Hochreutener, Serhan Tufanli, Stefan Wiemer, Steven Schramm, Yacine Haddad","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-12-16T19:00:01Z","title":"Characterisation of the Bedretto Underground Site for Fundamental Physics Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.14815","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1c0dcad487d80107c984d099d63ccfb9751cc9f34ecff8b3d123bbc4d9f95e9a","target":"record","created_at":"2026-08-03T01:27:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"18b89f42475cdb1023dd71c391d5a8a5de7a66a49e244b6c2f81fe180d69d2ad","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-12-16T19:00:01Z","title_canon_sha256":"f6835511cd7438554fd367af4afb607c5bddb9a40c010703bd97761391e12701"},"schema_version":"1.0","source":{"id":"2512.14815","kind":"arxiv","version":2}},"canonical_sha256":"63c1da55672f4371ef729285c01b692b5561c52ae862eb3fdc1e90e92391cea7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63c1da55672f4371ef729285c01b692b5561c52ae862eb3fdc1e90e92391cea7","first_computed_at":"2026-08-03T01:27:31.496520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-03T01:27:31.496520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OkpCc6YvFzVnHagVW1zvhyRZ6p6cVDjwZNc+sJenj5sW+JYGghZRU/0nJFH7necu+EGvk7anWRR3IXiHWcapCA==","signature_status":"signed_v1","signed_at":"2026-08-03T01:27:31.498193Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.14815","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c0dcad487d80107c984d099d63ccfb9751cc9f34ecff8b3d123bbc4d9f95e9a","sha256:59d49457ed0efd9a29199e2c01e84efa7b75a3b5b230838726a2301809e95f92"],"state_sha256":"f1f3829e7b8e7d53f16cd4b26a762e218ace3f34c24cd9693a6c11ef0d61689b"}