{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AH4YOH4E6ZPYD6Q3A3UJNGWXXZ","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":"8e13b600b174ec03293dbb09f9dc844fd904a63d4f1950f3226fa5d5282eba1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-05T04:03:20Z","title_canon_sha256":"a50db4ba59c7aa86528fbc18137cfcf2206cb40a545897f856878e0c8fb6e400"},"schema_version":"1.0","source":{"id":"1301.0869","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.0869","created_at":"2026-05-18T03:37:07Z"},{"alias_kind":"arxiv_version","alias_value":"1301.0869v1","created_at":"2026-05-18T03:37:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.0869","created_at":"2026-05-18T03:37:07Z"},{"alias_kind":"pith_short_12","alias_value":"AH4YOH4E6ZPY","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AH4YOH4E6ZPYD6Q3","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AH4YOH4E","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:f8cdc8a0da186386a6da994fb7f1ebca5e9e3959341ba266eae12b646d09f02f","target":"graph","created_at":"2026-05-18T03:37:07Z","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 common practice of ignoring the elastic strain gradient in measurements of geometrically necessary dislocation (GND) density is critically examined. It is concluded that the practice may result in substantial errors. Our analysis points to the importance of spatial variations of the elastic strain field in relation to its magnitude in inferring estimates of dislocation density from measurements.","authors_text":"Amit Acharya, Robin J. Knops","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-05T04:03:20Z","title":"An observation on the experimental measurement of dislocation density"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.0869","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":"sha256:134222595b1f31821d566acccc9594bb4205b3eb2d396c929ca7662bdc6dac9d","target":"record","created_at":"2026-05-18T03:37:07Z","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":"8e13b600b174ec03293dbb09f9dc844fd904a63d4f1950f3226fa5d5282eba1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-01-05T04:03:20Z","title_canon_sha256":"a50db4ba59c7aa86528fbc18137cfcf2206cb40a545897f856878e0c8fb6e400"},"schema_version":"1.0","source":{"id":"1301.0869","kind":"arxiv","version":1}},"canonical_sha256":"01f9871f84f65f81fa1b06e8969ad7be618bc912b6a194512ba39aed8434a49e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01f9871f84f65f81fa1b06e8969ad7be618bc912b6a194512ba39aed8434a49e","first_computed_at":"2026-05-18T03:37:07.489416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:07.489416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CP1l0q/0C+27fyaU/BcAwB2F//yLFhMrZnmcyGUwMKf7HuUsLHARqVqHWwqJ3ccHsPZY5YteD76crVtUgS35Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:07.490412Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.0869","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:134222595b1f31821d566acccc9594bb4205b3eb2d396c929ca7662bdc6dac9d","sha256:f8cdc8a0da186386a6da994fb7f1ebca5e9e3959341ba266eae12b646d09f02f"],"state_sha256":"ff0d3d60514e40291418b2acf0d0f6fda4e75f2a2f33cd2d37562c44bba8ad04"}