{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:AF3GGZX3GF7M3LZXFK65GB76D4","short_pith_number":"pith:AF3GGZX3","canonical_record":{"source":{"id":"1907.07060","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2019-07-16T15:21:06Z","cross_cats_sorted":[],"title_canon_sha256":"496be73b83a99430648e1495d59673b8fa684c7f9bf74036b8f7efda22bb600a","abstract_canon_sha256":"564b0c8100f4659ff1a21d5bbef59b7abe35d6107617a3b57e1b419d4a3441ed"},"schema_version":"1.0"},"canonical_sha256":"01766366fb317ecdaf372abdd307fe1f30a746be516e79dd76281a1316dc0ece","source":{"kind":"arxiv","id":"1907.07060","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07060","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07060v3","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07060","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_12","alias_value":"AF3GGZX3GF7M","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_16","alias_value":"AF3GGZX3GF7M3LZX","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_8","alias_value":"AF3GGZX3","created_at":"2026-07-05T00:41:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:AF3GGZX3GF7M3LZXFK65GB76D4","target":"record","payload":{"canonical_record":{"source":{"id":"1907.07060","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2019-07-16T15:21:06Z","cross_cats_sorted":[],"title_canon_sha256":"496be73b83a99430648e1495d59673b8fa684c7f9bf74036b8f7efda22bb600a","abstract_canon_sha256":"564b0c8100f4659ff1a21d5bbef59b7abe35d6107617a3b57e1b419d4a3441ed"},"schema_version":"1.0"},"canonical_sha256":"01766366fb317ecdaf372abdd307fe1f30a746be516e79dd76281a1316dc0ece","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:41:32.826499Z","signature_b64":"V024NuC0emSHRl32d5ukV/RJeDi9aRcmFc2mtlNXEhGUW8Bm+NCcvnywsngoPd3DQneCGdqt43eATcyO6skLBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01766366fb317ecdaf372abdd307fe1f30a746be516e79dd76281a1316dc0ece","last_reissued_at":"2026-07-05T00:41:32.826016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:41:32.826016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.07060","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:41:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsCTkYqA3/hoCrUnttcGcpxdkkv+bHPJUcdmyRyrvf1D0e55LoQRt+QwbbL8U79y3qFtto1c9V9eKn0KX8/qCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:57:25.963913Z"},"content_sha256":"70f0fe2a484c5cc3cc8060461461688ab0708a57ba03b5c4ec6af33a9635a595","schema_version":"1.0","event_id":"sha256:70f0fe2a484c5cc3cc8060461461688ab0708a57ba03b5c4ec6af33a9635a595"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:AF3GGZX3GF7M3LZXFK65GB76D4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Performances of a resistive MicroMegas module for the Time Projection Chambers of the T2K Near Detector upgrade","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. C. Ruggeri, A. Dabrowska, A. Delbart, A. Longhin, A. Pepato, A. Rychter, A. Zalewska, B. Popov, C. Giganti, C. Jesus-Valls, C. Pastore, C. Riccio, D. Attie, D. Calvet, D. Vargas, E. Radicioni, F. Gramegna, F. Iacob, F. Sanchez, G. Cogo, G. Collazuol, G. Vasseur, H. Przybilski, J. Boix, J. Dumarchez, J. Michalowski, J.-M. Parraud, J. Mundet, J. Steinmann, J. Swierblewski, L. Magaletti, L. Munteanu, M. Batkiewicz-Kwasniak, M. Cicerchia, M.G. Catanesi, M. Guigue, M. Lamoureux, M. Mezzetto, M. Pari, M. Riallot, M. Ziembicki, M. Zito, N. Lacalamita, P. Colas, P. Hamacher-Baumann, Q. V. Nguyen, R. Kurjataj, S. Bolognesi, S. Bordoni, S. Emery-Schrenk, S. Roth, S. Suvorov, T. Lux, T. Marchi, T. Wachala, U. Kosed","submitted_at":"2019-07-16T15:21:06Z","abstract_excerpt":"An upgrade of the Near Detector of the T2K long baseline neutrino oscillation experiment, ND280, has been proposed. This upgrade will include two new Time Projection Chambers, each equipped with 16 resistive MicroMegas modules for gas amplification. A first prototype of resistive MicroMegas has been designed, built, installed in the HARP field cage, and exposed to a beam of charged particles at CERN. The data have been used to characterize the performances of the resistive MicroMegas module. A spatial resolution of 300 $\\mu m$ and a deposited energy resolution of 9% were observed for horizonta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07060","kind":"arxiv","version":3},"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/1907.07060/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":"2026-07-05T00:41:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ZPElgA4aTIf3kq1ggS1HlPukG4Z8dxVrjkZnbAwqy2ksnO55FbwFzF98sYclOAPeNcoeXkKZr3pMR3uDVJBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T06:57:25.964341Z"},"content_sha256":"e9a9aa7be8124376abb400162f3077e27c917e2da1e44faac91d084b461584f7","schema_version":"1.0","event_id":"sha256:e9a9aa7be8124376abb400162f3077e27c917e2da1e44faac91d084b461584f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AF3GGZX3GF7M3LZXFK65GB76D4/bundle.json","state_url":"https://pith.science/pith/AF3GGZX3GF7M3LZXFK65GB76D4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AF3GGZX3GF7M3LZXFK65GB76D4/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":"2026-07-05T06:57:25Z","links":{"resolver":"https://pith.science/pith/AF3GGZX3GF7M3LZXFK65GB76D4","bundle":"https://pith.science/pith/AF3GGZX3GF7M3LZXFK65GB76D4/bundle.json","state":"https://pith.science/pith/AF3GGZX3GF7M3LZXFK65GB76D4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AF3GGZX3GF7M3LZXFK65GB76D4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:AF3GGZX3GF7M3LZXFK65GB76D4","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":"564b0c8100f4659ff1a21d5bbef59b7abe35d6107617a3b57e1b419d4a3441ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2019-07-16T15:21:06Z","title_canon_sha256":"496be73b83a99430648e1495d59673b8fa684c7f9bf74036b8f7efda22bb600a"},"schema_version":"1.0","source":{"id":"1907.07060","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.07060","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"arxiv_version","alias_value":"1907.07060v3","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07060","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_12","alias_value":"AF3GGZX3GF7M","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_16","alias_value":"AF3GGZX3GF7M3LZX","created_at":"2026-07-05T00:41:32Z"},{"alias_kind":"pith_short_8","alias_value":"AF3GGZX3","created_at":"2026-07-05T00:41:32Z"}],"graph_snapshots":[{"event_id":"sha256:e9a9aa7be8124376abb400162f3077e27c917e2da1e44faac91d084b461584f7","target":"graph","created_at":"2026-07-05T00:41:32Z","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/1907.07060/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An upgrade of the Near Detector of the T2K long baseline neutrino oscillation experiment, ND280, has been proposed. This upgrade will include two new Time Projection Chambers, each equipped with 16 resistive MicroMegas modules for gas amplification. A first prototype of resistive MicroMegas has been designed, built, installed in the HARP field cage, and exposed to a beam of charged particles at CERN. The data have been used to characterize the performances of the resistive MicroMegas module. A spatial resolution of 300 $\\mu m$ and a deposited energy resolution of 9% were observed for horizonta","authors_text":"A. C. Ruggeri, A. Dabrowska, A. Delbart, A. Longhin, A. Pepato, A. Rychter, A. Zalewska, B. Popov, C. Giganti, C. Jesus-Valls, C. Pastore, C. Riccio, D. Attie, D. Calvet, D. Vargas, E. Radicioni, F. Gramegna, F. Iacob, F. Sanchez, G. Cogo, G. Collazuol, G. Vasseur, H. Przybilski, J. Boix, J. Dumarchez, J. Michalowski, J.-M. Parraud, J. Mundet, J. Steinmann, J. Swierblewski, L. Magaletti, L. Munteanu, M. Batkiewicz-Kwasniak, M. Cicerchia, M.G. Catanesi, M. Guigue, M. Lamoureux, M. Mezzetto, M. Pari, M. Riallot, M. Ziembicki, M. Zito, N. Lacalamita, P. Colas, P. Hamacher-Baumann, Q. V. Nguyen, R. Kurjataj, S. Bolognesi, S. Bordoni, S. Emery-Schrenk, S. Roth, S. Suvorov, T. Lux, T. Marchi, T. Wachala, U. Kosed","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2019-07-16T15:21:06Z","title":"Performances of a resistive MicroMegas module for the Time Projection Chambers of the T2K Near Detector upgrade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07060","kind":"arxiv","version":3},"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":"sha256:70f0fe2a484c5cc3cc8060461461688ab0708a57ba03b5c4ec6af33a9635a595","target":"record","created_at":"2026-07-05T00:41:32Z","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":"564b0c8100f4659ff1a21d5bbef59b7abe35d6107617a3b57e1b419d4a3441ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2019-07-16T15:21:06Z","title_canon_sha256":"496be73b83a99430648e1495d59673b8fa684c7f9bf74036b8f7efda22bb600a"},"schema_version":"1.0","source":{"id":"1907.07060","kind":"arxiv","version":3}},"canonical_sha256":"01766366fb317ecdaf372abdd307fe1f30a746be516e79dd76281a1316dc0ece","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01766366fb317ecdaf372abdd307fe1f30a746be516e79dd76281a1316dc0ece","first_computed_at":"2026-07-05T00:41:32.826016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:41:32.826016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V024NuC0emSHRl32d5ukV/RJeDi9aRcmFc2mtlNXEhGUW8Bm+NCcvnywsngoPd3DQneCGdqt43eATcyO6skLBA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:41:32.826499Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.07060","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70f0fe2a484c5cc3cc8060461461688ab0708a57ba03b5c4ec6af33a9635a595","sha256:e9a9aa7be8124376abb400162f3077e27c917e2da1e44faac91d084b461584f7"],"state_sha256":"ff6f5fc751853d713320b51e793edb01aa57c1f79b47d41f493899315a6de885"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dhDn1OZ8VJNR/rogDZevB4vzvLaKRUVD9PS/XjWI3tJ428hsus2BgikQP0T9IXKzjBbVFcyG9PfRdVt/xDj7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T06:57:25.966302Z","bundle_sha256":"440b91a9f4c5ac2361072498134b7312b2e1afd08bdbb039b4f1fea48831f916"}}