{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:S4RUWEH5R32UZOGRUXVP7TJMAC","short_pith_number":"pith:S4RUWEH5","canonical_record":{"source":{"id":"2606.31911","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-30T16:14:11Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"200d47a93228f64b167ff232062cda21d05086caa85efc08c8fd450737ed77cd","abstract_canon_sha256":"41c1f9477d5779cafb9bd5a845c4d2d801ba70328061bade21051c718673931c"},"schema_version":"1.0"},"canonical_sha256":"97234b10fd8ef54cb8d1a5eaffcd2c00ba2f45c2cf3c8335c9bc4b6180a136c1","source":{"kind":"arxiv","id":"2606.31911","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31911","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31911v1","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31911","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_12","alias_value":"S4RUWEH5R32U","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_16","alias_value":"S4RUWEH5R32UZOGR","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_8","alias_value":"S4RUWEH5","created_at":"2026-07-01T01:18:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:S4RUWEH5R32UZOGRUXVP7TJMAC","target":"record","payload":{"canonical_record":{"source":{"id":"2606.31911","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-30T16:14:11Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"200d47a93228f64b167ff232062cda21d05086caa85efc08c8fd450737ed77cd","abstract_canon_sha256":"41c1f9477d5779cafb9bd5a845c4d2d801ba70328061bade21051c718673931c"},"schema_version":"1.0"},"canonical_sha256":"97234b10fd8ef54cb8d1a5eaffcd2c00ba2f45c2cf3c8335c9bc4b6180a136c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T01:18:19.288050Z","signature_b64":"pAE0mI/yRhUyeC6tbCp9xz47PQthVAiXeCS+lrJs+59Iki8nl2Zmz2xjHTETvkwUvaHyHoPXS6MPma37J+wwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97234b10fd8ef54cb8d1a5eaffcd2c00ba2f45c2cf3c8335c9bc4b6180a136c1","last_reissued_at":"2026-07-01T01:18:19.287553Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T01:18:19.287553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.31911","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":"2026-07-01T01:18:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BM91mSTdIm9ZmGhrgA9uYhakTFBJp/uMSrW4upotwoVtHKaikJIL4k0yg9qQvdjqMjBiUZ8A+3pJVHzXVHpfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T14:31:36.818173Z"},"content_sha256":"0950aca436ac7d211a75c1bb428b22a53db80ac6e21d26753510373953f82691","schema_version":"1.0","event_id":"sha256:0950aca436ac7d211a75c1bb428b22a53db80ac6e21d26753510373953f82691"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:S4RUWEH5R32UZOGRUXVP7TJMAC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Trade-Offs in Decentralized Gigantic MIMO with Hard-Boundary Constraints","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Joao Vieira, Juan Vidal Alegr\\'ia, Ove Edfors","submitted_at":"2026-06-30T16:14:11Z","abstract_excerpt":"To maintain the antenna apertures offered by 5G massive MIMO systems operating at the sub-6GHz band, known as FR1, 6G base stations (BSs) using the upper-mid band, FR3, should increase the number of antennas by a factor 4-8, giving rise to gigantic MIMO. This poses challenges in terms of processing complexity and interconnection bandwidth. The WAX framework, previously introduced for exploring trade-offs in decentralized architectures, may offer the flexibility needed to tackle these challenges. However, no results have been established on the applicability of this framework in the presence of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31911","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/2606.31911/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":"2026-07-01T01:18:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9UUPoThAUuC+Hj0CNu4TROfUDaP9aInPrnZraxVvqFStnGhUAx9+sXwFsTegwYmXMANT1YN7+4OjCbrBy1wVAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T14:31:36.818568Z"},"content_sha256":"84328d6027eb53d105f19f1435e0c54d6fe30b8ba214da8af8f1cfb832736c2c","schema_version":"1.0","event_id":"sha256:84328d6027eb53d105f19f1435e0c54d6fe30b8ba214da8af8f1cfb832736c2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/bundle.json","state_url":"https://pith.science/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/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":"2026-07-03T14:31:36Z","links":{"resolver":"https://pith.science/pith/S4RUWEH5R32UZOGRUXVP7TJMAC","bundle":"https://pith.science/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/bundle.json","state":"https://pith.science/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S4RUWEH5R32UZOGRUXVP7TJMAC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:S4RUWEH5R32UZOGRUXVP7TJMAC","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":"41c1f9477d5779cafb9bd5a845c4d2d801ba70328061bade21051c718673931c","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-30T16:14:11Z","title_canon_sha256":"200d47a93228f64b167ff232062cda21d05086caa85efc08c8fd450737ed77cd"},"schema_version":"1.0","source":{"id":"2606.31911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31911","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31911v1","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31911","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_12","alias_value":"S4RUWEH5R32U","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_16","alias_value":"S4RUWEH5R32UZOGR","created_at":"2026-07-01T01:18:19Z"},{"alias_kind":"pith_short_8","alias_value":"S4RUWEH5","created_at":"2026-07-01T01:18:19Z"}],"graph_snapshots":[{"event_id":"sha256:84328d6027eb53d105f19f1435e0c54d6fe30b8ba214da8af8f1cfb832736c2c","target":"graph","created_at":"2026-07-01T01:18:19Z","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/2606.31911/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To maintain the antenna apertures offered by 5G massive MIMO systems operating at the sub-6GHz band, known as FR1, 6G base stations (BSs) using the upper-mid band, FR3, should increase the number of antennas by a factor 4-8, giving rise to gigantic MIMO. This poses challenges in terms of processing complexity and interconnection bandwidth. The WAX framework, previously introduced for exploring trade-offs in decentralized architectures, may offer the flexibility needed to tackle these challenges. However, no results have been established on the applicability of this framework in the presence of","authors_text":"Joao Vieira, Juan Vidal Alegr\\'ia, Ove Edfors","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-30T16:14:11Z","title":"Trade-Offs in Decentralized Gigantic MIMO with Hard-Boundary Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31911","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":"sha256:0950aca436ac7d211a75c1bb428b22a53db80ac6e21d26753510373953f82691","target":"record","created_at":"2026-07-01T01:18:19Z","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":"41c1f9477d5779cafb9bd5a845c4d2d801ba70328061bade21051c718673931c","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2026-06-30T16:14:11Z","title_canon_sha256":"200d47a93228f64b167ff232062cda21d05086caa85efc08c8fd450737ed77cd"},"schema_version":"1.0","source":{"id":"2606.31911","kind":"arxiv","version":1}},"canonical_sha256":"97234b10fd8ef54cb8d1a5eaffcd2c00ba2f45c2cf3c8335c9bc4b6180a136c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97234b10fd8ef54cb8d1a5eaffcd2c00ba2f45c2cf3c8335c9bc4b6180a136c1","first_computed_at":"2026-07-01T01:18:19.287553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:18:19.287553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pAE0mI/yRhUyeC6tbCp9xz47PQthVAiXeCS+lrJs+59Iki8nl2Zmz2xjHTETvkwUvaHyHoPXS6MPma37J+wwBQ==","signature_status":"signed_v1","signed_at":"2026-07-01T01:18:19.288050Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.31911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0950aca436ac7d211a75c1bb428b22a53db80ac6e21d26753510373953f82691","sha256:84328d6027eb53d105f19f1435e0c54d6fe30b8ba214da8af8f1cfb832736c2c"],"state_sha256":"e8c19ce15d21ca9cade5ccea11a13ad092409c288c6b99bb2a3d1e1add891d60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aCp3xtWD/cDoiDLsqSH7NT84gSHdBpkGHmJi8DhN1TAus8T15JP/Moao9gOupqqdAh3oSU08Y7Uf9KKRgcQ8BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T14:31:36.820647Z","bundle_sha256":"663c2acb768e5c8c03472676385f51d0d0becb725b26cf6d65d6d785a1d657d4"}}