{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3WLSP4R3MRPLXWZDVQCPCTXQNO","short_pith_number":"pith:3WLSP4R3","canonical_record":{"source":{"id":"2212.05131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-12-09T22:11:47Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"5df298df55b8ac96142dcc76f9c65350db451cb71f280ffb69b3b5326fc23913","abstract_canon_sha256":"db45a7b2b7a7c49d5baf7f624870e9c3a8c70271c9e8e16f35cc2ba60b112b2f"},"schema_version":"1.0"},"canonical_sha256":"dd9727f23b645ebbdb23ac04f14ef06b834323f47e32a3f369a8b1ebf83c85c6","source":{"kind":"arxiv","id":"2212.05131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.05131","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"arxiv_version","alias_value":"2212.05131v1","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.05131","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_12","alias_value":"3WLSP4R3MRPL","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_16","alias_value":"3WLSP4R3MRPLXWZD","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_8","alias_value":"3WLSP4R3","created_at":"2026-07-05T06:32:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3WLSP4R3MRPLXWZDVQCPCTXQNO","target":"record","payload":{"canonical_record":{"source":{"id":"2212.05131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-12-09T22:11:47Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"5df298df55b8ac96142dcc76f9c65350db451cb71f280ffb69b3b5326fc23913","abstract_canon_sha256":"db45a7b2b7a7c49d5baf7f624870e9c3a8c70271c9e8e16f35cc2ba60b112b2f"},"schema_version":"1.0"},"canonical_sha256":"dd9727f23b645ebbdb23ac04f14ef06b834323f47e32a3f369a8b1ebf83c85c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:32:03.984785Z","signature_b64":"F70MNZk0oEVdCdzylTR9A+ZsqnbTni/ykE7yLIhjZrABSXiCB1sLYnaFHoo4vXKYcyRMzXbukSgMtu+j+Gp1Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd9727f23b645ebbdb23ac04f14ef06b834323f47e32a3f369a8b1ebf83c85c6","last_reissued_at":"2026-07-05T06:32:03.984329Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:32:03.984329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.05131","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:32:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uel0A5V9czCjWEeT+CsGPtCzjHwB/jAFaaETCCTWjhYI57cXur+if4KCbCvaT+wktYQ7MYEmvdP0O+/wJL2JCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T05:23:53.674974Z"},"content_sha256":"b551b7b387fe43288a349ef6fdac58be67bd3f8e5d0768a68c565f73736a962c","schema_version":"1.0","event_id":"sha256:b551b7b387fe43288a349ef6fdac58be67bd3f8e5d0768a68c565f73736a962c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3WLSP4R3MRPLXWZDVQCPCTXQNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Outdoor Systems Performace and Upgrade","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"A. Blanco, A. Pereira, B. Tom\\'e, C. Dobrigkeit, C. Loureiro, F. Clem\\^encio, J. C. Nogueira, J. Saraiva, L. Lopes, L. Mendes, M. A. Cerda, M. Ferreira, M. Pimenta, N. Carolino, O. Cunha, P. Assis, P. Teixeira, R. Concei\\c{c}\\~ao, R. Sarmento, S. Andringa","submitted_at":"2022-12-09T22:11:47Z","abstract_excerpt":"Over the last two decades, the possibility of using RPCs in outdoors systems has increased considerably. Our group has participated in this effort having installed several systems and continues to work on their optimization, while simultaneously studying and developing new approaches that can to use of RPCs in outdoor applications.\n  In particular, some detectors were deployed in the field at the Pierre Auger Observatory in 2019 remained inactive, awaiting the commissioning of support systems. During the pandemic the detectors were left without gas flow for more than two years, but were recent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.05131","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/2212.05131/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:32:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lXRE9j8UKz2Z1GMgiYeKMS/Pk1WE8g6XJ9yuN8QEUqQ9WlGbZVDTxjB1JGkTTIrAgmBq6SKxFH63U+n5FiSLDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T05:23:53.675482Z"},"content_sha256":"d576085a14d3676f7cb7f0af00bd32192e546c6f47bb50d41ccfd8c5962f35f6","schema_version":"1.0","event_id":"sha256:d576085a14d3676f7cb7f0af00bd32192e546c6f47bb50d41ccfd8c5962f35f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/bundle.json","state_url":"https://pith.science/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/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":"2026-08-11T05:23:53Z","links":{"resolver":"https://pith.science/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO","bundle":"https://pith.science/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/bundle.json","state":"https://pith.science/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WLSP4R3MRPLXWZDVQCPCTXQNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3WLSP4R3MRPLXWZDVQCPCTXQNO","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":"db45a7b2b7a7c49d5baf7f624870e9c3a8c70271c9e8e16f35cc2ba60b112b2f","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-12-09T22:11:47Z","title_canon_sha256":"5df298df55b8ac96142dcc76f9c65350db451cb71f280ffb69b3b5326fc23913"},"schema_version":"1.0","source":{"id":"2212.05131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.05131","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"arxiv_version","alias_value":"2212.05131v1","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.05131","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_12","alias_value":"3WLSP4R3MRPL","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_16","alias_value":"3WLSP4R3MRPLXWZD","created_at":"2026-07-05T06:32:03Z"},{"alias_kind":"pith_short_8","alias_value":"3WLSP4R3","created_at":"2026-07-05T06:32:03Z"}],"graph_snapshots":[{"event_id":"sha256:d576085a14d3676f7cb7f0af00bd32192e546c6f47bb50d41ccfd8c5962f35f6","target":"graph","created_at":"2026-07-05T06:32:03Z","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/2212.05131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Over the last two decades, the possibility of using RPCs in outdoors systems has increased considerably. Our group has participated in this effort having installed several systems and continues to work on their optimization, while simultaneously studying and developing new approaches that can to use of RPCs in outdoor applications.\n  In particular, some detectors were deployed in the field at the Pierre Auger Observatory in 2019 remained inactive, awaiting the commissioning of support systems. During the pandemic the detectors were left without gas flow for more than two years, but were recent","authors_text":"A. Blanco, A. Pereira, B. Tom\\'e, C. Dobrigkeit, C. Loureiro, F. Clem\\^encio, J. C. Nogueira, J. Saraiva, L. Lopes, L. Mendes, M. A. Cerda, M. Ferreira, M. Pimenta, N. Carolino, O. Cunha, P. Assis, P. Teixeira, R. Concei\\c{c}\\~ao, R. Sarmento, S. Andringa","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-12-09T22:11:47Z","title":"Outdoor Systems Performace and Upgrade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.05131","kind":"arxiv","version":1},"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:b551b7b387fe43288a349ef6fdac58be67bd3f8e5d0768a68c565f73736a962c","target":"record","created_at":"2026-07-05T06:32:03Z","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":"db45a7b2b7a7c49d5baf7f624870e9c3a8c70271c9e8e16f35cc2ba60b112b2f","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-12-09T22:11:47Z","title_canon_sha256":"5df298df55b8ac96142dcc76f9c65350db451cb71f280ffb69b3b5326fc23913"},"schema_version":"1.0","source":{"id":"2212.05131","kind":"arxiv","version":1}},"canonical_sha256":"dd9727f23b645ebbdb23ac04f14ef06b834323f47e32a3f369a8b1ebf83c85c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd9727f23b645ebbdb23ac04f14ef06b834323f47e32a3f369a8b1ebf83c85c6","first_computed_at":"2026-07-05T06:32:03.984329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:32:03.984329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F70MNZk0oEVdCdzylTR9A+ZsqnbTni/ykE7yLIhjZrABSXiCB1sLYnaFHoo4vXKYcyRMzXbukSgMtu+j+Gp1Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:32:03.984785Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.05131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b551b7b387fe43288a349ef6fdac58be67bd3f8e5d0768a68c565f73736a962c","sha256:d576085a14d3676f7cb7f0af00bd32192e546c6f47bb50d41ccfd8c5962f35f6"],"state_sha256":"3c40a75f621a81e4a281ffb812b0413509d3ccd4e7e6ce6fbcc8a317601989db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bVviZpCODfjoL3RL1lS+bieLQmU8wkyKSsJlsm+IAA2ZQecKI7xkm/KKyj/x5aVgxEcKq8LY/Naq1mcgdCi+Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T05:23:53.679834Z","bundle_sha256":"d729b05995e21e00ba8d981ba051e901cf91420a47efd3504a3378db59107c77"}}