{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6MKN6T4Q3MHX5VVJ6QYHCO74DF","short_pith_number":"pith:6MKN6T4Q","canonical_record":{"source":{"id":"1410.6286","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-23T08:30:17Z","cross_cats_sorted":[],"title_canon_sha256":"bccdc07726e5b919d234ceba1a3b4509866d1fee2b46f617e1995c6351c36af0","abstract_canon_sha256":"398b2d255641eba5cbf2854af115b9bd6807531d18c21584516b3a8fe94271ec"},"schema_version":"1.0"},"canonical_sha256":"f314df4f90db0f7ed6a9f430713bfc19513d1fa74b76aed8086f43a83cc3184d","source":{"kind":"arxiv","id":"1410.6286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6286","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6286v1","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6286","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"pith_short_12","alias_value":"6MKN6T4Q3MHX","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6MKN6T4Q3MHX5VVJ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6MKN6T4Q","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6MKN6T4Q3MHX5VVJ6QYHCO74DF","target":"record","payload":{"canonical_record":{"source":{"id":"1410.6286","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-23T08:30:17Z","cross_cats_sorted":[],"title_canon_sha256":"bccdc07726e5b919d234ceba1a3b4509866d1fee2b46f617e1995c6351c36af0","abstract_canon_sha256":"398b2d255641eba5cbf2854af115b9bd6807531d18c21584516b3a8fe94271ec"},"schema_version":"1.0"},"canonical_sha256":"f314df4f90db0f7ed6a9f430713bfc19513d1fa74b76aed8086f43a83cc3184d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:31.187621Z","signature_b64":"PIxeD7aOsOaHv2RfV5zE2k2QYn34iYzEO1aEKKmnDTN3gjo037b4LXP1WA6dpZj0guoqpL9OK4rhagTjEgN4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f314df4f90db0f7ed6a9f430713bfc19513d1fa74b76aed8086f43a83cc3184d","last_reissued_at":"2026-05-18T02:39:31.186993Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:31.186993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.6286","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":"2026-05-18T02:39:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Tor3UsAJt0lN4cQAi1Ofs+VtNITb7iJTueFh8r40mYlc/PeE/1zH6aRW5oGSaOZiuBvBspc4ZMX90vKdpcnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:22:30.368303Z"},"content_sha256":"7bfb0010f5075004de144d0072b13d5709fe17bf0ee461ae9d533d85ee48f2e1","schema_version":"1.0","event_id":"sha256:7bfb0010f5075004de144d0072b13d5709fe17bf0ee461ae9d533d85ee48f2e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6MKN6T4Q3MHX5VVJ6QYHCO74DF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shaping Segregation: Convexity vs. Concavity","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"A.R. Thornton, C. R. K. Windows-Yule, D. J. Parker, S. Gonzalez, S. Luding","submitted_at":"2014-10-23T08:30:17Z","abstract_excerpt":"Controlling segregation is both a practical and a theoretical challenge. In this Letter we demonstrate a manner in which rotation-induced segregation may be controlled by altering the geometry of the rotating containers in which granular systems are housed. Using a novel drum design comprising concave and convex geometry, we explore a means by which radial size-segregation may be used to drive axial segregation, resulting in an order of magnitude increase in the axial segregation rate. This finding, and the explanations provided of its underlying mechanisms, could lead to radical new designs f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6286","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":"2026-05-18T02:39:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M0XTHvyCq6MK/VTfa2jz2OSuE8TwBo87z6KRtL/ew7sU7HNvWHtk9Iue4AYBg/O6+sHzwCsCJib4qM0rAGZgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T18:22:30.368660Z"},"content_sha256":"728c5ea5cf518c69154480c747596cef3bd369b5450183ab7772bc34dbd3822e","schema_version":"1.0","event_id":"sha256:728c5ea5cf518c69154480c747596cef3bd369b5450183ab7772bc34dbd3822e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/bundle.json","state_url":"https://pith.science/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/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":"2026-06-25T18:22:30Z","links":{"resolver":"https://pith.science/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF","bundle":"https://pith.science/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/bundle.json","state":"https://pith.science/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6MKN6T4Q3MHX5VVJ6QYHCO74DF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6MKN6T4Q3MHX5VVJ6QYHCO74DF","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":"398b2d255641eba5cbf2854af115b9bd6807531d18c21584516b3a8fe94271ec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-23T08:30:17Z","title_canon_sha256":"bccdc07726e5b919d234ceba1a3b4509866d1fee2b46f617e1995c6351c36af0"},"schema_version":"1.0","source":{"id":"1410.6286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6286","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6286v1","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6286","created_at":"2026-05-18T02:39:31Z"},{"alias_kind":"pith_short_12","alias_value":"6MKN6T4Q3MHX","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6MKN6T4Q3MHX5VVJ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6MKN6T4Q","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:728c5ea5cf518c69154480c747596cef3bd369b5450183ab7772bc34dbd3822e","target":"graph","created_at":"2026-05-18T02:39:31Z","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":"Controlling segregation is both a practical and a theoretical challenge. In this Letter we demonstrate a manner in which rotation-induced segregation may be controlled by altering the geometry of the rotating containers in which granular systems are housed. Using a novel drum design comprising concave and convex geometry, we explore a means by which radial size-segregation may be used to drive axial segregation, resulting in an order of magnitude increase in the axial segregation rate. This finding, and the explanations provided of its underlying mechanisms, could lead to radical new designs f","authors_text":"A.R. Thornton, C. R. K. Windows-Yule, D. J. Parker, S. Gonzalez, S. Luding","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-23T08:30:17Z","title":"Shaping Segregation: Convexity vs. Concavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6286","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":"sha256:7bfb0010f5075004de144d0072b13d5709fe17bf0ee461ae9d533d85ee48f2e1","target":"record","created_at":"2026-05-18T02:39:31Z","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":"398b2d255641eba5cbf2854af115b9bd6807531d18c21584516b3a8fe94271ec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-23T08:30:17Z","title_canon_sha256":"bccdc07726e5b919d234ceba1a3b4509866d1fee2b46f617e1995c6351c36af0"},"schema_version":"1.0","source":{"id":"1410.6286","kind":"arxiv","version":1}},"canonical_sha256":"f314df4f90db0f7ed6a9f430713bfc19513d1fa74b76aed8086f43a83cc3184d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f314df4f90db0f7ed6a9f430713bfc19513d1fa74b76aed8086f43a83cc3184d","first_computed_at":"2026-05-18T02:39:31.186993Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:31.186993Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PIxeD7aOsOaHv2RfV5zE2k2QYn34iYzEO1aEKKmnDTN3gjo037b4LXP1WA6dpZj0guoqpL9OK4rhagTjEgN4Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:31.187621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.6286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bfb0010f5075004de144d0072b13d5709fe17bf0ee461ae9d533d85ee48f2e1","sha256:728c5ea5cf518c69154480c747596cef3bd369b5450183ab7772bc34dbd3822e"],"state_sha256":"6b44805f18f852f67faf0e1c11bc3b48e3af1039b9d31fc813b368dc2236fd1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LqCNBQRTjNVO8ptFMiQP0cR1HKZ4aepYuOJLCOPJFl9P8rJXoCkfIbM4iP8RLj0z2kP2zz07hqlKp2WFNbfRBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T18:22:30.370584Z","bundle_sha256":"5768aeec48414d089ec62358400e0e8183dd7359fc193b8a4f18cd21e6cfdad5"}}