{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:H6ZKFK4AQISD2PFJNECPXSEN62","short_pith_number":"pith:H6ZKFK4A","canonical_record":{"source":{"id":"1809.09677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-25T19:28:13Z","cross_cats_sorted":[],"title_canon_sha256":"b597e96a48ecdd9344df3fea5fd943876aad9893ebc2416beaab95ecde561807","abstract_canon_sha256":"b7ad9391f08e9c69ef8f7b592ad2c54d618a3c55e2c6fcb43b6ed9e6429933d5"},"schema_version":"1.0"},"canonical_sha256":"3fb2a2ab8082243d3ca96904fbc88df69bd5a60127b5bcd8bbd2c2d16fb850e4","source":{"kind":"arxiv","id":"1809.09677","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.09677","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"1809.09677v1","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09677","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"H6ZKFK4AQISD","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"H6ZKFK4AQISD2PFJ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"H6ZKFK4A","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:H6ZKFK4AQISD2PFJNECPXSEN62","target":"record","payload":{"canonical_record":{"source":{"id":"1809.09677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-25T19:28:13Z","cross_cats_sorted":[],"title_canon_sha256":"b597e96a48ecdd9344df3fea5fd943876aad9893ebc2416beaab95ecde561807","abstract_canon_sha256":"b7ad9391f08e9c69ef8f7b592ad2c54d618a3c55e2c6fcb43b6ed9e6429933d5"},"schema_version":"1.0"},"canonical_sha256":"3fb2a2ab8082243d3ca96904fbc88df69bd5a60127b5bcd8bbd2c2d16fb850e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:26.633791Z","signature_b64":"nEOW2heXvMRgRtIquOr+Z+35mizqLt19Q7FzQgf34PUGZ+5CsxSGvuw9Geem0D1ICblFKdMOYhJ8P2/eqgT4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fb2a2ab8082243d3ca96904fbc88df69bd5a60127b5bcd8bbd2c2d16fb850e4","last_reissued_at":"2026-05-17T23:53:26.633175Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:26.633175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.09677","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":"2026-05-17T23:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2/3Piqx+TjwvO3qpO6iSiutjJvTNFoFkm9wdQLoUyme9UevMQRuuL02jrNunBTkjb69GeiECC072XpcMkKMRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:52:07.281813Z"},"content_sha256":"2b14926e77e837c5329f313bc74351f15d892bb3041286bc15dac3025a7b78f4","schema_version":"1.0","event_id":"sha256:2b14926e77e837c5329f313bc74351f15d892bb3041286bc15dac3025a7b78f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:H6ZKFK4AQISD2PFJNECPXSEN62","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Boron-10 lined RPCs for sub-millimeter resolution thermal neutron detectors: Feasibility study in a thermal neutron beam","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Blanco, A. Mangiarotti, A. Morozov, B. Guerard, C. H\\\"oglund, F. A. F. Fraga, K. Zeitelhack, L. M. S. Margato, L. Robinson, P. Fonte, R. Hall-Wilton, S. Schmidt","submitted_at":"2018-09-25T19:28:13Z","abstract_excerpt":"The results of an experimental feasibility study of a position sensitive thermal neutron detector based on a resistive plate chamber (RPC) are presented. The detector prototype features a thin-gap (0.35 mm) hybrid RPC with an aluminium cathode lined with a 2 ${\\mu}$m thick $^{10}B{_4}C$ neutron converter layer enriched in $^{10}B$ and a float glass anode. A detection efficiency of ${\\approx}$ 6.2 ${\\%}$ was measured for the neutron beam (${\\lambda}$ =2.5 ${\\AA}$) at normal incidence. A spatial resolution better than 0.5 mm FWHM was demonstrated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09677","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":""},"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":"2026-05-17T23:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IPVTEDvxW7uAuhBhpFuusKLPsenkb8m967dZ/QaxneikJ0NN2xrQXYF31GiFicNykygAOehsHEZg2JVYE2/iDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:52:07.282193Z"},"content_sha256":"4f79743d20aa97f726310579355def79c270efb9b597c4b573170a02e9544f55","schema_version":"1.0","event_id":"sha256:4f79743d20aa97f726310579355def79c270efb9b597c4b573170a02e9544f55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6ZKFK4AQISD2PFJNECPXSEN62/bundle.json","state_url":"https://pith.science/pith/H6ZKFK4AQISD2PFJNECPXSEN62/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6ZKFK4AQISD2PFJNECPXSEN62/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":"2026-05-30T07:52:07Z","links":{"resolver":"https://pith.science/pith/H6ZKFK4AQISD2PFJNECPXSEN62","bundle":"https://pith.science/pith/H6ZKFK4AQISD2PFJNECPXSEN62/bundle.json","state":"https://pith.science/pith/H6ZKFK4AQISD2PFJNECPXSEN62/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6ZKFK4AQISD2PFJNECPXSEN62/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:H6ZKFK4AQISD2PFJNECPXSEN62","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":"b7ad9391f08e9c69ef8f7b592ad2c54d618a3c55e2c6fcb43b6ed9e6429933d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-25T19:28:13Z","title_canon_sha256":"b597e96a48ecdd9344df3fea5fd943876aad9893ebc2416beaab95ecde561807"},"schema_version":"1.0","source":{"id":"1809.09677","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.09677","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"1809.09677v1","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09677","created_at":"2026-05-17T23:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"H6ZKFK4AQISD","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"H6ZKFK4AQISD2PFJ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"H6ZKFK4A","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:4f79743d20aa97f726310579355def79c270efb9b597c4b573170a02e9544f55","target":"graph","created_at":"2026-05-17T23:53:26Z","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":"The results of an experimental feasibility study of a position sensitive thermal neutron detector based on a resistive plate chamber (RPC) are presented. The detector prototype features a thin-gap (0.35 mm) hybrid RPC with an aluminium cathode lined with a 2 ${\\mu}$m thick $^{10}B{_4}C$ neutron converter layer enriched in $^{10}B$ and a float glass anode. A detection efficiency of ${\\approx}$ 6.2 ${\\%}$ was measured for the neutron beam (${\\lambda}$ =2.5 ${\\AA}$) at normal incidence. A spatial resolution better than 0.5 mm FWHM was demonstrated.","authors_text":"A. Blanco, A. Mangiarotti, A. Morozov, B. Guerard, C. H\\\"oglund, F. A. F. Fraga, K. Zeitelhack, L. M. S. Margato, L. Robinson, P. Fonte, R. Hall-Wilton, S. Schmidt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-25T19:28:13Z","title":"Boron-10 lined RPCs for sub-millimeter resolution thermal neutron detectors: Feasibility study in a thermal neutron beam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09677","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":"sha256:2b14926e77e837c5329f313bc74351f15d892bb3041286bc15dac3025a7b78f4","target":"record","created_at":"2026-05-17T23:53:26Z","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":"b7ad9391f08e9c69ef8f7b592ad2c54d618a3c55e2c6fcb43b6ed9e6429933d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-25T19:28:13Z","title_canon_sha256":"b597e96a48ecdd9344df3fea5fd943876aad9893ebc2416beaab95ecde561807"},"schema_version":"1.0","source":{"id":"1809.09677","kind":"arxiv","version":1}},"canonical_sha256":"3fb2a2ab8082243d3ca96904fbc88df69bd5a60127b5bcd8bbd2c2d16fb850e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3fb2a2ab8082243d3ca96904fbc88df69bd5a60127b5bcd8bbd2c2d16fb850e4","first_computed_at":"2026-05-17T23:53:26.633175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:26.633175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nEOW2heXvMRgRtIquOr+Z+35mizqLt19Q7FzQgf34PUGZ+5CsxSGvuw9Geem0D1ICblFKdMOYhJ8P2/eqgT4BA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:26.633791Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.09677","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b14926e77e837c5329f313bc74351f15d892bb3041286bc15dac3025a7b78f4","sha256:4f79743d20aa97f726310579355def79c270efb9b597c4b573170a02e9544f55"],"state_sha256":"a4c8062e41bb1a37d9dd215c5dc50ab3ed00048320dc5ef640133bf80ccf4985"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YIWdwpo/W4EtDvOR+5GNNUOWGrzMNyTPvHv6rzDKMOFiVxNdx60WYeqKEDn32G2SzWfIJPUUV3/EGP93E4N/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:52:07.284172Z","bundle_sha256":"74e8181f51773b5ca95ffaf8f21750765c3cd8d8b9f550223628c0bb3b3409eb"}}