{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:7NY77JACNKFORPYKRS7RDYKNEF","short_pith_number":"pith:7NY77JAC","schema_version":"1.0","canonical_sha256":"fb71ffa4026a8ae8bf0a8cbf11e14d217b4022384fb156bfd5a58debfee84bb4","source":{"kind":"arxiv","id":"2501.07724","version":2},"attestation_state":"computed","paper":{"title":"Doubly-Dispersive MIMO Channels with Stacked Intelligent Metasurfaces: Modeling, Parametrization, and Receiver Design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"George C. Alexandropoulos, Giuseppe Thadeu Freitas de Abreu, Hyeon Seok Rou, Iv\\'an Alexander Morales Sandoval, Kuranage Roche Rayan Ranasinghe","submitted_at":"2025-01-13T22:20:42Z","abstract_excerpt":"Introduced with the advent of statistical wireless channel models for high mobility communications and having a profound role in communication-centric (CC) integrated sensing and communications (ISAC), the doubly-dispersive (DD) channel structure has long been heralded as a useful tool enabling the capture of the most important fading effects undergone by an arbitrary time-domain transmit signal propagating through some medium. However, the incorporation of this model into multiple-input multiple-output (MIMO) system setups, relying on the recent paradigm-shifting transceiver architecture base"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2501.07724","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2025-01-13T22:20:42Z","cross_cats_sorted":[],"title_canon_sha256":"0b36d02eaf2fd24ce30f8adfc6f306c236d3e128cdf50f14e1dd5f0cb66b4041","abstract_canon_sha256":"10adf5b2ad385e201e3081398f70940458d6f3b242d9f3a7a9947afca58fb33c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:00:41.649564Z","signature_b64":"JPbDMhuXkZVMmIn0lRPfbW+Y6oVWQg6aonPazUakFBFLW++Z8iAsw3A+2G0dgoI+ZUf/wKxHjd3uSyXTDBwaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb71ffa4026a8ae8bf0a8cbf11e14d217b4022384fb156bfd5a58debfee84bb4","last_reissued_at":"2026-07-05T11:00:41.649063Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:00:41.649063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Doubly-Dispersive MIMO Channels with Stacked Intelligent Metasurfaces: Modeling, Parametrization, and Receiver Design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"George C. Alexandropoulos, Giuseppe Thadeu Freitas de Abreu, Hyeon Seok Rou, Iv\\'an Alexander Morales Sandoval, Kuranage Roche Rayan Ranasinghe","submitted_at":"2025-01-13T22:20:42Z","abstract_excerpt":"Introduced with the advent of statistical wireless channel models for high mobility communications and having a profound role in communication-centric (CC) integrated sensing and communications (ISAC), the doubly-dispersive (DD) channel structure has long been heralded as a useful tool enabling the capture of the most important fading effects undergone by an arbitrary time-domain transmit signal propagating through some medium. However, the incorporation of this model into multiple-input multiple-output (MIMO) system setups, relying on the recent paradigm-shifting transceiver architecture base"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.07724","kind":"arxiv","version":2},"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/2501.07724/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2501.07724","created_at":"2026-07-05T11:00:41.649137+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.07724v2","created_at":"2026-07-05T11:00:41.649137+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.07724","created_at":"2026-07-05T11:00:41.649137+00:00"},{"alias_kind":"pith_short_12","alias_value":"7NY77JACNKFO","created_at":"2026-07-05T11:00:41.649137+00:00"},{"alias_kind":"pith_short_16","alias_value":"7NY77JACNKFORPYK","created_at":"2026-07-05T11:00:41.649137+00:00"},{"alias_kind":"pith_short_8","alias_value":"7NY77JAC","created_at":"2026-07-05T11:00:41.649137+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.12752","citing_title":"Indoor Channel Characterization with Extremely Large Reconfigurable Intelligent Surfaces at $300$ GHz","ref_index":12,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF","json":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF.json","graph_json":"https://pith.science/api/pith-number/7NY77JACNKFORPYKRS7RDYKNEF/graph.json","events_json":"https://pith.science/api/pith-number/7NY77JACNKFORPYKRS7RDYKNEF/events.json","paper":"https://pith.science/paper/7NY77JAC"},"agent_actions":{"view_html":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF","download_json":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF.json","view_paper":"https://pith.science/paper/7NY77JAC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.07724&json=true","fetch_graph":"https://pith.science/api/pith-number/7NY77JACNKFORPYKRS7RDYKNEF/graph.json","fetch_events":"https://pith.science/api/pith-number/7NY77JACNKFORPYKRS7RDYKNEF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF/action/storage_attestation","attest_author":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF/action/author_attestation","sign_citation":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF/action/citation_signature","submit_replication":"https://pith.science/pith/7NY77JACNKFORPYKRS7RDYKNEF/action/replication_record"}},"created_at":"2026-07-05T11:00:41.649137+00:00","updated_at":"2026-07-05T11:00:41.649137+00:00"}