{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:OKOTSFSBWAMJF23A6FP2YIL3PA","short_pith_number":"pith:OKOTSFSB","canonical_record":{"source":{"id":"2412.12646","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-17T08:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"8250ad5aeebd3120cdc6a67c3b45a47d57dd5822aef9cc7edc2ab50756045a38","abstract_canon_sha256":"6e8ca4509f52dec554b9a8975b717d723d73c41b427809d5d7aabd8b552183be"},"schema_version":"1.0"},"canonical_sha256":"729d391641b01892eb60f15fac217b783d8b1dc5696fded14040df5fb0e7566b","source":{"kind":"arxiv","id":"2412.12646","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.12646","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"arxiv_version","alias_value":"2412.12646v4","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12646","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_12","alias_value":"OKOTSFSBWAMJ","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_16","alias_value":"OKOTSFSBWAMJF23A","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_8","alias_value":"OKOTSFSB","created_at":"2026-07-07T02:17:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:OKOTSFSBWAMJF23A6FP2YIL3PA","target":"record","payload":{"canonical_record":{"source":{"id":"2412.12646","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-17T08:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"8250ad5aeebd3120cdc6a67c3b45a47d57dd5822aef9cc7edc2ab50756045a38","abstract_canon_sha256":"6e8ca4509f52dec554b9a8975b717d723d73c41b427809d5d7aabd8b552183be"},"schema_version":"1.0"},"canonical_sha256":"729d391641b01892eb60f15fac217b783d8b1dc5696fded14040df5fb0e7566b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-07T02:17:04.971534Z","signature_b64":"jcQGiFl2WjOo4XfCbifqoiVaQOUgvSOk8x42dAu5rftc5giHGD3dpkwke14xY/vZfXCpzkJcoTexPeqI9RjFDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"729d391641b01892eb60f15fac217b783d8b1dc5696fded14040df5fb0e7566b","last_reissued_at":"2026-07-07T02:17:04.970605Z","signature_status":"signed_v1","first_computed_at":"2026-07-07T02:17:04.970605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.12646","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-07T02:17:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"otgXKpjiUZC5ow0PMB/LpbHG21JiO/IqcbpCvj/574KZlRIxS/6hXbyp33LwgeT4UUqRbR+UIdp722ElHsrtDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T03:52:27.400324Z"},"content_sha256":"9572e310f895fba8dc3655cd90947382790bb1cffddf6d2b7697a44865f348d7","schema_version":"1.0","event_id":"sha256:9572e310f895fba8dc3655cd90947382790bb1cffddf6d2b7697a44865f348d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:OKOTSFSBWAMJF23A6FP2YIL3PA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Measurement-Based Spatially Consistent Channel Model for Distributed MIMO in Industrial Environments","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Christian Nelson, Fredrik Tufvesson, Sara Willhammar","submitted_at":"2024-12-17T08:10:32Z","abstract_excerpt":"Future wireless communication systems are envisioned to support ultra-reliable and low-latency communication (URLLC), which will enable new applications such as compute offloading, wireless real-time control, and reliable monitoring. Distributed multiple-input multiple-output (D-MIMO) is one of the most promising technologies for delivering URLLC. This paper classifies obstructions and derives a channel model from a D-MIMO measurement campaign carried out at a carrier frequency of 3.75 GHz with a bandwidth of 35 MHz using twelve fully coherent distributed dipole antennas in an industrial envir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12646","kind":"arxiv","version":4},"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/2412.12646/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":"2026-07-07T02:17:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jf6ioWQboyFxG7P+9zLV8DVvgh+IeIJ8ISIHooU72SKByJXLp4Rcw2gbqzXdHriabSMbwBtbrdN1yO0iPEL4DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T03:52:27.400726Z"},"content_sha256":"8acdefde912e0bafbabf69b7d5ed011003abb26810d871d0b244a6065f4f3d8a","schema_version":"1.0","event_id":"sha256:8acdefde912e0bafbabf69b7d5ed011003abb26810d871d0b244a6065f4f3d8a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/bundle.json","state_url":"https://pith.science/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/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":"2026-07-09T03:52:27Z","links":{"resolver":"https://pith.science/pith/OKOTSFSBWAMJF23A6FP2YIL3PA","bundle":"https://pith.science/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/bundle.json","state":"https://pith.science/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OKOTSFSBWAMJF23A6FP2YIL3PA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:OKOTSFSBWAMJF23A6FP2YIL3PA","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":"6e8ca4509f52dec554b9a8975b717d723d73c41b427809d5d7aabd8b552183be","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-17T08:10:32Z","title_canon_sha256":"8250ad5aeebd3120cdc6a67c3b45a47d57dd5822aef9cc7edc2ab50756045a38"},"schema_version":"1.0","source":{"id":"2412.12646","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.12646","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"arxiv_version","alias_value":"2412.12646v4","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12646","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_12","alias_value":"OKOTSFSBWAMJ","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_16","alias_value":"OKOTSFSBWAMJF23A","created_at":"2026-07-07T02:17:04Z"},{"alias_kind":"pith_short_8","alias_value":"OKOTSFSB","created_at":"2026-07-07T02:17:04Z"}],"graph_snapshots":[{"event_id":"sha256:8acdefde912e0bafbabf69b7d5ed011003abb26810d871d0b244a6065f4f3d8a","target":"graph","created_at":"2026-07-07T02:17:04Z","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/2412.12646/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Future wireless communication systems are envisioned to support ultra-reliable and low-latency communication (URLLC), which will enable new applications such as compute offloading, wireless real-time control, and reliable monitoring. Distributed multiple-input multiple-output (D-MIMO) is one of the most promising technologies for delivering URLLC. This paper classifies obstructions and derives a channel model from a D-MIMO measurement campaign carried out at a carrier frequency of 3.75 GHz with a bandwidth of 35 MHz using twelve fully coherent distributed dipole antennas in an industrial envir","authors_text":"Christian Nelson, Fredrik Tufvesson, Sara Willhammar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-17T08:10:32Z","title":"A Measurement-Based Spatially Consistent Channel Model for Distributed MIMO in Industrial Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12646","kind":"arxiv","version":4},"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":"sha256:9572e310f895fba8dc3655cd90947382790bb1cffddf6d2b7697a44865f348d7","target":"record","created_at":"2026-07-07T02:17:04Z","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":"6e8ca4509f52dec554b9a8975b717d723d73c41b427809d5d7aabd8b552183be","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2024-12-17T08:10:32Z","title_canon_sha256":"8250ad5aeebd3120cdc6a67c3b45a47d57dd5822aef9cc7edc2ab50756045a38"},"schema_version":"1.0","source":{"id":"2412.12646","kind":"arxiv","version":4}},"canonical_sha256":"729d391641b01892eb60f15fac217b783d8b1dc5696fded14040df5fb0e7566b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"729d391641b01892eb60f15fac217b783d8b1dc5696fded14040df5fb0e7566b","first_computed_at":"2026-07-07T02:17:04.970605Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-07T02:17:04.970605Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jcQGiFl2WjOo4XfCbifqoiVaQOUgvSOk8x42dAu5rftc5giHGD3dpkwke14xY/vZfXCpzkJcoTexPeqI9RjFDw==","signature_status":"signed_v1","signed_at":"2026-07-07T02:17:04.971534Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.12646","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9572e310f895fba8dc3655cd90947382790bb1cffddf6d2b7697a44865f348d7","sha256:8acdefde912e0bafbabf69b7d5ed011003abb26810d871d0b244a6065f4f3d8a"],"state_sha256":"25d22fe463b933b791bb486d7ee8df9337ed23aed55cebfcfa78bd677c6b9f3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sKpv5x0JdcfLUVgDRSL9HAEWRwPl8qqA8HnNTV2zGEAoJWi1KRf3RNmWyMAhizz42iqEJNv9T0xLtFoAq83mAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T03:52:27.403462Z","bundle_sha256":"5fd4aa275e857c10876ac602b9c81e8e83c1137af896a7d21dd1b84bab4c63e7"}}