{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CBVEUNLATRBLLQC6FVDYBBY5KB","short_pith_number":"pith:CBVEUNLA","canonical_record":{"source":{"id":"2403.07274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-03-12T03:12:47Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"c12edd4f9ed271186d15756237353d60f70305efacb5323f009a2ef32ec4ae27","abstract_canon_sha256":"a8a12d5bd6b372d1a87d3eede18311785abaa99f3579d6f9a20ec749c2123a7a"},"schema_version":"1.0"},"canonical_sha256":"106a4a35609c42b5c05e2d4780871d50718b413d4b34fa1ff28cda6ef57134ba","source":{"kind":"arxiv","id":"2403.07274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.07274","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"arxiv_version","alias_value":"2403.07274v1","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.07274","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_12","alias_value":"CBVEUNLATRBL","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_16","alias_value":"CBVEUNLATRBLLQC6","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_8","alias_value":"CBVEUNLA","created_at":"2026-07-05T07:55:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CBVEUNLATRBLLQC6FVDYBBY5KB","target":"record","payload":{"canonical_record":{"source":{"id":"2403.07274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-03-12T03:12:47Z","cross_cats_sorted":["eess.SP","math.IT"],"title_canon_sha256":"c12edd4f9ed271186d15756237353d60f70305efacb5323f009a2ef32ec4ae27","abstract_canon_sha256":"a8a12d5bd6b372d1a87d3eede18311785abaa99f3579d6f9a20ec749c2123a7a"},"schema_version":"1.0"},"canonical_sha256":"106a4a35609c42b5c05e2d4780871d50718b413d4b34fa1ff28cda6ef57134ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:55:01.396962Z","signature_b64":"ylsK6/2ZrclcBFXI5eWepyj8CEZzlBLTvZC4ca2WX+PqCZOXghQFSSaOXMs3asql3dXmeBlc20yzZP2CcnGiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"106a4a35609c42b5c05e2d4780871d50718b413d4b34fa1ff28cda6ef57134ba","last_reissued_at":"2026-07-05T07:55:01.396524Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:55:01.396524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.07274","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":"2026-07-05T07:55:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yIiwF+IcqImjPIPXvZuu4xisa8/6vIoNhKEpFoBgMNFZLQ/ZM/R7Ad0VNZVqKS8WX2u1X+VTQ+dUlYq5mxreBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T12:19:27.453201Z"},"content_sha256":"83ff0f62e53808c26f0d7402f2cf9ad731d7bc6793f0c3964cb4d041a5c859a0","schema_version":"1.0","event_id":"sha256:83ff0f62e53808c26f0d7402f2cf9ad731d7bc6793f0c3964cb4d041a5c859a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CBVEUNLATRBLLQC6FVDYBBY5KB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Achievable Rate Analysis and Optimization of Double-RIS Assisted Spatially Correlated MIMO with Statistical CSI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","math.IT"],"primary_cat":"cs.IT","authors_text":"Jiajia Guo, Jun Zhang, Kaizhe Xu, Shaodan Ma, Shi Jin","submitted_at":"2024-03-12T03:12:47Z","abstract_excerpt":"Reconfigurable intelligent surface (RIS) is a novel meta-material which can form a smart radio environment by dynamically altering reflection directions of the impinging electromagnetic waves. In the prior literature, the inter-RIS links which also contribute to the performance of the whole system are usually neglected when multiple RISs are deployed. In this paper we investigate a general double-RIS assisted multiple-input multiple-output (MIMO) wireless communication system under spatially correlated non line-of-sight propagation channels, where the cooperation of the double RISs is also con"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.07274","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.07274/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":"2026-07-05T07:55:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kzs0F1YLoBet2lL+Y0CAQ+yyZeUfb/9EzYGVKvjjmI71SXbOAmJho/mKfzs+TmZy5KnhJ3EYZm4QAyUO1f4OBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T12:19:27.453593Z"},"content_sha256":"07461dbe37b03c61894dee3adf3c7a06a211d8470e6ff9eb199e746c69d80e11","schema_version":"1.0","event_id":"sha256:07461dbe37b03c61894dee3adf3c7a06a211d8470e6ff9eb199e746c69d80e11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/bundle.json","state_url":"https://pith.science/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/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":"2026-07-08T12:19:27Z","links":{"resolver":"https://pith.science/pith/CBVEUNLATRBLLQC6FVDYBBY5KB","bundle":"https://pith.science/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/bundle.json","state":"https://pith.science/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBVEUNLATRBLLQC6FVDYBBY5KB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CBVEUNLATRBLLQC6FVDYBBY5KB","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":"a8a12d5bd6b372d1a87d3eede18311785abaa99f3579d6f9a20ec749c2123a7a","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-03-12T03:12:47Z","title_canon_sha256":"c12edd4f9ed271186d15756237353d60f70305efacb5323f009a2ef32ec4ae27"},"schema_version":"1.0","source":{"id":"2403.07274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.07274","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"arxiv_version","alias_value":"2403.07274v1","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.07274","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_12","alias_value":"CBVEUNLATRBL","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_16","alias_value":"CBVEUNLATRBLLQC6","created_at":"2026-07-05T07:55:01Z"},{"alias_kind":"pith_short_8","alias_value":"CBVEUNLA","created_at":"2026-07-05T07:55:01Z"}],"graph_snapshots":[{"event_id":"sha256:07461dbe37b03c61894dee3adf3c7a06a211d8470e6ff9eb199e746c69d80e11","target":"graph","created_at":"2026-07-05T07:55:01Z","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/2403.07274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reconfigurable intelligent surface (RIS) is a novel meta-material which can form a smart radio environment by dynamically altering reflection directions of the impinging electromagnetic waves. In the prior literature, the inter-RIS links which also contribute to the performance of the whole system are usually neglected when multiple RISs are deployed. In this paper we investigate a general double-RIS assisted multiple-input multiple-output (MIMO) wireless communication system under spatially correlated non line-of-sight propagation channels, where the cooperation of the double RISs is also con","authors_text":"Jiajia Guo, Jun Zhang, Kaizhe Xu, Shaodan Ma, Shi Jin","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-03-12T03:12:47Z","title":"Achievable Rate Analysis and Optimization of Double-RIS Assisted Spatially Correlated MIMO with Statistical CSI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.07274","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":"sha256:83ff0f62e53808c26f0d7402f2cf9ad731d7bc6793f0c3964cb4d041a5c859a0","target":"record","created_at":"2026-07-05T07:55:01Z","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":"a8a12d5bd6b372d1a87d3eede18311785abaa99f3579d6f9a20ec749c2123a7a","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2024-03-12T03:12:47Z","title_canon_sha256":"c12edd4f9ed271186d15756237353d60f70305efacb5323f009a2ef32ec4ae27"},"schema_version":"1.0","source":{"id":"2403.07274","kind":"arxiv","version":1}},"canonical_sha256":"106a4a35609c42b5c05e2d4780871d50718b413d4b34fa1ff28cda6ef57134ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"106a4a35609c42b5c05e2d4780871d50718b413d4b34fa1ff28cda6ef57134ba","first_computed_at":"2026-07-05T07:55:01.396524Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:55:01.396524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ylsK6/2ZrclcBFXI5eWepyj8CEZzlBLTvZC4ca2WX+PqCZOXghQFSSaOXMs3asql3dXmeBlc20yzZP2CcnGiAg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:55:01.396962Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.07274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83ff0f62e53808c26f0d7402f2cf9ad731d7bc6793f0c3964cb4d041a5c859a0","sha256:07461dbe37b03c61894dee3adf3c7a06a211d8470e6ff9eb199e746c69d80e11"],"state_sha256":"21255b4ae897325e38af5901f380a43f5271976a7a037ea3f55699478501ed61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CDD8TmiVD30Pw/WQL4YMZyvvK3fCCaYP4EkKp5iMx5LvN9yD6v3H71CBcjXHWYp/KLpm1P3o/vUXHSuXw/PMAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T12:19:27.455687Z","bundle_sha256":"3bac61575307cebfad56e8bcc8c016479f751c5f09ae5104365991e37ed8dac4"}}