{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VLAG6C2B4D5UYQGUVKEKG3DPEX","short_pith_number":"pith:VLAG6C2B","canonical_record":{"source":{"id":"1806.06602","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-06-18T11:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"00769ac9f16a72ce48a7c9e07892d90bb4bcdde3333c227dfc05d15c83f16c00","abstract_canon_sha256":"773472df2ee8632b25896122a4ff6cee5a7b811d28192c00c352606aaca0a2bc"},"schema_version":"1.0"},"canonical_sha256":"aac06f0b41e0fb4c40d4aa88a36c6f25cdc9db1b22f170d8cfd97f9c4224e3cb","source":{"kind":"arxiv","id":"1806.06602","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.06602","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"1806.06602v2","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.06602","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"VLAG6C2B4D5U","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VLAG6C2B4D5UYQGU","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VLAG6C2B","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VLAG6C2B4D5UYQGUVKEKG3DPEX","target":"record","payload":{"canonical_record":{"source":{"id":"1806.06602","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-06-18T11:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"00769ac9f16a72ce48a7c9e07892d90bb4bcdde3333c227dfc05d15c83f16c00","abstract_canon_sha256":"773472df2ee8632b25896122a4ff6cee5a7b811d28192c00c352606aaca0a2bc"},"schema_version":"1.0"},"canonical_sha256":"aac06f0b41e0fb4c40d4aa88a36c6f25cdc9db1b22f170d8cfd97f9c4224e3cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:04.679404Z","signature_b64":"nP3OXfA7P4aMBn1We6hnVv1H52B7zMkFbSkIn/jAodwNIhW/EvTplcZ/GTdj8W/lFmbg6p1zsAl+crq2rK1cBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aac06f0b41e0fb4c40d4aa88a36c6f25cdc9db1b22f170d8cfd97f9c4224e3cb","last_reissued_at":"2026-05-17T23:58:04.678914Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:04.678914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.06602","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VyNzkYsPfcfgniUqpSOiwWsQlamBC06jFLCW2oxI6wPZ9Fi5MSHUJDaApg0LNU0HMldoKoe9qQSQLM40Ir+eBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:19:08.309697Z"},"content_sha256":"1c86cc1cdebc236a73035f0040da90d8f090434a3a82dc180044b08279b35ffd","schema_version":"1.0","event_id":"sha256:1c86cc1cdebc236a73035f0040da90d8f090434a3a82dc180044b08279b35ffd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VLAG6C2B4D5UYQGUVKEKG3DPEX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A portable muon telescope based on small and gas-tight Resistive Plate Chambers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Andrea Giammanco, Eduardo Cortina Gil, Pavel Demin, Sophie Wuyckens","submitted_at":"2018-06-18T11:27:21Z","abstract_excerpt":"We report on the first steps in the development of a small-size muon telescope based on glass Resistive Plate Chambers with small active area ($16\\times 16~{\\rm cm}^2$). The long-term goal of this project is to focus on applications of muography where the telescope may have to be operated underground and/or inside small rooms, and in challenging logistic situations. Driving principles in our design are therefore compact size, light weight, gas tightness, and robustness. The first data-taking experiences have been encouraging, and we elaborate on the lessons learnt and future directions for dev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.06602","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gQl513w3onuQZmC7S86nGBDs0vyumAuROtN6vw9PQLNXLBim4KwySh+jbSweq68xh1ssfcHipgRXhpdr/O4vDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:19:08.310346Z"},"content_sha256":"b16628005d19efcd6c359a876d232bfa636c4e188463f5939eac12eac40739cb","schema_version":"1.0","event_id":"sha256:b16628005d19efcd6c359a876d232bfa636c4e188463f5939eac12eac40739cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/bundle.json","state_url":"https://pith.science/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T15:19:08Z","links":{"resolver":"https://pith.science/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX","bundle":"https://pith.science/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/bundle.json","state":"https://pith.science/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLAG6C2B4D5UYQGUVKEKG3DPEX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VLAG6C2B4D5UYQGUVKEKG3DPEX","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":"773472df2ee8632b25896122a4ff6cee5a7b811d28192c00c352606aaca0a2bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-06-18T11:27:21Z","title_canon_sha256":"00769ac9f16a72ce48a7c9e07892d90bb4bcdde3333c227dfc05d15c83f16c00"},"schema_version":"1.0","source":{"id":"1806.06602","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.06602","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"1806.06602v2","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.06602","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"VLAG6C2B4D5U","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VLAG6C2B4D5UYQGU","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VLAG6C2B","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:b16628005d19efcd6c359a876d232bfa636c4e188463f5939eac12eac40739cb","target":"graph","created_at":"2026-05-17T23:58:04Z","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"},"paper":{"abstract_excerpt":"We report on the first steps in the development of a small-size muon telescope based on glass Resistive Plate Chambers with small active area ($16\\times 16~{\\rm cm}^2$). The long-term goal of this project is to focus on applications of muography where the telescope may have to be operated underground and/or inside small rooms, and in challenging logistic situations. Driving principles in our design are therefore compact size, light weight, gas tightness, and robustness. The first data-taking experiences have been encouraging, and we elaborate on the lessons learnt and future directions for dev","authors_text":"Andrea Giammanco, Eduardo Cortina Gil, Pavel Demin, Sophie Wuyckens","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-06-18T11:27:21Z","title":"A portable muon telescope based on small and gas-tight Resistive Plate Chambers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.06602","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":"sha256:1c86cc1cdebc236a73035f0040da90d8f090434a3a82dc180044b08279b35ffd","target":"record","created_at":"2026-05-17T23:58:04Z","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":"773472df2ee8632b25896122a4ff6cee5a7b811d28192c00c352606aaca0a2bc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-06-18T11:27:21Z","title_canon_sha256":"00769ac9f16a72ce48a7c9e07892d90bb4bcdde3333c227dfc05d15c83f16c00"},"schema_version":"1.0","source":{"id":"1806.06602","kind":"arxiv","version":2}},"canonical_sha256":"aac06f0b41e0fb4c40d4aa88a36c6f25cdc9db1b22f170d8cfd97f9c4224e3cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aac06f0b41e0fb4c40d4aa88a36c6f25cdc9db1b22f170d8cfd97f9c4224e3cb","first_computed_at":"2026-05-17T23:58:04.678914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:04.678914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nP3OXfA7P4aMBn1We6hnVv1H52B7zMkFbSkIn/jAodwNIhW/EvTplcZ/GTdj8W/lFmbg6p1zsAl+crq2rK1cBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:04.679404Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.06602","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c86cc1cdebc236a73035f0040da90d8f090434a3a82dc180044b08279b35ffd","sha256:b16628005d19efcd6c359a876d232bfa636c4e188463f5939eac12eac40739cb"],"state_sha256":"4eb86c7bb15fc8bc3422d80007d8639e8530b290e1c84a4a45a390008864faaf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"65V84RpF5jqdvWX3jxkA9e8rZJl07ioYCCgb6fWMrMdjrdGHEd5mt9lFB7QiDOkRjFMpDv2YT0hiv5njJ7B7Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:19:08.313481Z","bundle_sha256":"82c36701a78aa2ed9f642b4a563f873d3e369337779f0dfc1397deb25c157ba2"}}