{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XGUGQXBRT37UYYYZDMI6UYFDNH","short_pith_number":"pith:XGUGQXBR","canonical_record":{"source":{"id":"2002.00991","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-02-03T19:39:19Z","cross_cats_sorted":[],"title_canon_sha256":"b359bf1c125bebbc32f2a9e8d3fea39d69db85ebf18d5c94053a6477f12c52f2","abstract_canon_sha256":"01dcd6d42aafd3cc1cfb268e677172724e7a833a2edc6eecb6332e7aecde0b1a"},"schema_version":"1.0"},"canonical_sha256":"b9a8685c319eff4c63191b11ea60a369f87374e2112348c765cb1590d55e28ae","source":{"kind":"arxiv","id":"2002.00991","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.00991","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"arxiv_version","alias_value":"2002.00991v2","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.00991","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_12","alias_value":"XGUGQXBRT37U","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_16","alias_value":"XGUGQXBRT37UYYYZ","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_8","alias_value":"XGUGQXBR","created_at":"2026-07-05T01:29:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XGUGQXBRT37UYYYZDMI6UYFDNH","target":"record","payload":{"canonical_record":{"source":{"id":"2002.00991","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-02-03T19:39:19Z","cross_cats_sorted":[],"title_canon_sha256":"b359bf1c125bebbc32f2a9e8d3fea39d69db85ebf18d5c94053a6477f12c52f2","abstract_canon_sha256":"01dcd6d42aafd3cc1cfb268e677172724e7a833a2edc6eecb6332e7aecde0b1a"},"schema_version":"1.0"},"canonical_sha256":"b9a8685c319eff4c63191b11ea60a369f87374e2112348c765cb1590d55e28ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:51.889019Z","signature_b64":"uDDmjcqKQ6sAhKpFzlTBOsQQg0vUj7GmxR+nsFc1UCisZlc+96Dl11IbrdjFoOAIMJhRy/O2zDI4mFHKbV0dDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9a8685c319eff4c63191b11ea60a369f87374e2112348c765cb1590d55e28ae","last_reissued_at":"2026-07-05T01:29:51.888585Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:51.888585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.00991","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":"2026-07-05T01:29:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D1l9bOGwVqsoGxEqRGYpbX01x+lsh0U4wtcYiP1lXM4UP5gin/VaKZF0Gcz7yhZEg3X2FYe1Y7MKWKNFww7UAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:01:43.739792Z"},"content_sha256":"81329228080a800abb27f1fff68654cfa9f737e6169111bd42fb1422e8c3ab7c","schema_version":"1.0","event_id":"sha256:81329228080a800abb27f1fff68654cfa9f737e6169111bd42fb1422e8c3ab7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XGUGQXBRT37UYYYZDMI6UYFDNH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multilayer $^{10}B$-RPC neutron imaging detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Blanco, A. Morozov, C. H\\\"oglund, K. Zeitelhack, L. Lopes, L. M. S. Margato, L. Robinson, P. Fonte, P. Svensson, R. Hall-Wilton, S. Schmidt","submitted_at":"2020-02-03T19:39:19Z","abstract_excerpt":"Resistive plate chambers (RPC) lined with $^{10}B_{4}$C neutron converters is a promising cost effective technology for position-sensitive thermal neutron detection capable to outperform $^{3}$He-based detectors in terms of spatial resolution and timing. However, as for the other types of gaseous detectors with a single layer of $^{10}B_{4}$C at normal beam incidence, the detection efficiency to thermal neutrons of a single-gap $^{10}B$-RPC is only about 6%. Aiming to overcome this limitation, we introduce a multi-layer $^{10}B$-RPCs detector with a stack of ten double-gap hybrid RPCs. A descr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.00991","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.00991/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":"2026-07-05T01:29:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x+bBrfcsBVvc4+3PSVTBxfjDwpfExqur1JeSQRA2bWzhzoCe1RJZAqfs/RHNQtqqHPCib7oWucGSnjByMuD7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:01:43.740362Z"},"content_sha256":"b40982fb8ec94a4e18266ccefae68810f913e244d21f0d5fb62577d2890a6811","schema_version":"1.0","event_id":"sha256:b40982fb8ec94a4e18266ccefae68810f913e244d21f0d5fb62577d2890a6811"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/bundle.json","state_url":"https://pith.science/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/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":"2026-08-05T18:01:43Z","links":{"resolver":"https://pith.science/pith/XGUGQXBRT37UYYYZDMI6UYFDNH","bundle":"https://pith.science/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/bundle.json","state":"https://pith.science/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XGUGQXBRT37UYYYZDMI6UYFDNH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XGUGQXBRT37UYYYZDMI6UYFDNH","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":"01dcd6d42aafd3cc1cfb268e677172724e7a833a2edc6eecb6332e7aecde0b1a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-02-03T19:39:19Z","title_canon_sha256":"b359bf1c125bebbc32f2a9e8d3fea39d69db85ebf18d5c94053a6477f12c52f2"},"schema_version":"1.0","source":{"id":"2002.00991","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.00991","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"arxiv_version","alias_value":"2002.00991v2","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.00991","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_12","alias_value":"XGUGQXBRT37U","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_16","alias_value":"XGUGQXBRT37UYYYZ","created_at":"2026-07-05T01:29:51Z"},{"alias_kind":"pith_short_8","alias_value":"XGUGQXBR","created_at":"2026-07-05T01:29:51Z"}],"graph_snapshots":[{"event_id":"sha256:b40982fb8ec94a4e18266ccefae68810f913e244d21f0d5fb62577d2890a6811","target":"graph","created_at":"2026-07-05T01:29:51Z","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/2002.00991/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Resistive plate chambers (RPC) lined with $^{10}B_{4}$C neutron converters is a promising cost effective technology for position-sensitive thermal neutron detection capable to outperform $^{3}$He-based detectors in terms of spatial resolution and timing. However, as for the other types of gaseous detectors with a single layer of $^{10}B_{4}$C at normal beam incidence, the detection efficiency to thermal neutrons of a single-gap $^{10}B$-RPC is only about 6%. Aiming to overcome this limitation, we introduce a multi-layer $^{10}B$-RPCs detector with a stack of ten double-gap hybrid RPCs. A descr","authors_text":"A. Blanco, A. Morozov, C. H\\\"oglund, K. Zeitelhack, L. Lopes, L. M. S. Margato, L. Robinson, P. Fonte, P. Svensson, R. Hall-Wilton, S. Schmidt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-02-03T19:39:19Z","title":"Multilayer $^{10}B$-RPC neutron imaging detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.00991","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":"sha256:81329228080a800abb27f1fff68654cfa9f737e6169111bd42fb1422e8c3ab7c","target":"record","created_at":"2026-07-05T01:29:51Z","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":"01dcd6d42aafd3cc1cfb268e677172724e7a833a2edc6eecb6332e7aecde0b1a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-02-03T19:39:19Z","title_canon_sha256":"b359bf1c125bebbc32f2a9e8d3fea39d69db85ebf18d5c94053a6477f12c52f2"},"schema_version":"1.0","source":{"id":"2002.00991","kind":"arxiv","version":2}},"canonical_sha256":"b9a8685c319eff4c63191b11ea60a369f87374e2112348c765cb1590d55e28ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9a8685c319eff4c63191b11ea60a369f87374e2112348c765cb1590d55e28ae","first_computed_at":"2026-07-05T01:29:51.888585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:51.888585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uDDmjcqKQ6sAhKpFzlTBOsQQg0vUj7GmxR+nsFc1UCisZlc+96Dl11IbrdjFoOAIMJhRy/O2zDI4mFHKbV0dDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:51.889019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.00991","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81329228080a800abb27f1fff68654cfa9f737e6169111bd42fb1422e8c3ab7c","sha256:b40982fb8ec94a4e18266ccefae68810f913e244d21f0d5fb62577d2890a6811"],"state_sha256":"4e7b5839f326b501d444508edcb5d3319c0caa17a787106bd5c0dde5b7f15e00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MktQs09k9rU0DIBpit925apWSJWDtiz91QaX3SFk2EpIWc0QtZptySdflfcsYfX6vucP5wNHbcBSb8gEpPKaBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T18:01:43.746604Z","bundle_sha256":"57191475a40bd0011c06934338d3b3781d4f072b4a9aecffe4d4652ce7694908"}}