{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QEDFSREXIFWMEGG2CXX7ZVEXB7","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":"dca223c96e3a225eb2185d043ac2b35dd6545d13e3819a3e0407b9723a49140d","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2018-10-31T00:56:11Z","title_canon_sha256":"5c78568ec5b80f7b10c645095ff7904479a50b00a94aeada850143ec6504e814"},"schema_version":"1.0","source":{"id":"1810.13053","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.13053","created_at":"2026-05-17T23:53:50Z"},{"alias_kind":"arxiv_version","alias_value":"1810.13053v2","created_at":"2026-05-17T23:53:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13053","created_at":"2026-05-17T23:53:50Z"},{"alias_kind":"pith_short_12","alias_value":"QEDFSREXIFWM","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QEDFSREXIFWMEGG2","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QEDFSREX","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:5676eefdbcac2625b9df14d0d906f0f80cf752b3c28b79d86b9c9fc169f0900a","target":"graph","created_at":"2026-05-17T23:53:50Z","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":"Wavelength-resolved (WR) neutron transmission tomography is an emerging technique to characterize engineering materials. While tomographic reconstruction for amorphous samples is straightforward, it is challenging to reconstruct samples with single-crystal domains because the attenuation of the sample varies as a function of its orientation with respect to the incident beam due to Bragg scattering. In this paper, we present an algorithm that can reconstruct samples with single-crystal domains from WR neutron tomographic measurements. In particular, we use a model-based iterative reconstruction","authors_text":"Luc Dessieux, Philip Bingham, S. V. Venkatakrishnan","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2018-10-31T00:56:11Z","title":"Wavelength-resolved neutron tomography for crystalline materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13053","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:c8236b40d1fa55fd984d98c4f6d8738680d3789269778a6e256b4dbf2adcf724","target":"record","created_at":"2026-05-17T23:53:50Z","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":"dca223c96e3a225eb2185d043ac2b35dd6545d13e3819a3e0407b9723a49140d","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2018-10-31T00:56:11Z","title_canon_sha256":"5c78568ec5b80f7b10c645095ff7904479a50b00a94aeada850143ec6504e814"},"schema_version":"1.0","source":{"id":"1810.13053","kind":"arxiv","version":2}},"canonical_sha256":"8106594497416cc218da15effcd4970fc32b62b9043cbee61e2e576a9f4ec519","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8106594497416cc218da15effcd4970fc32b62b9043cbee61e2e576a9f4ec519","first_computed_at":"2026-05-17T23:53:50.376034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:50.376034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jlBkOHVIRk61RezgLhMSrZ8nbniFjKcRjjgiquDdYchFHvkdAQH5f2W/N4/Q7AP1dKo3UlKtXmf9tfQV/v6WDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:50.376769Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.13053","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8236b40d1fa55fd984d98c4f6d8738680d3789269778a6e256b4dbf2adcf724","sha256:5676eefdbcac2625b9df14d0d906f0f80cf752b3c28b79d86b9c9fc169f0900a"],"state_sha256":"96565134decc3b34bfe45963551b62c069321d099e193a3b0afeab590e2fe172"}