{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QJGN4LVCQSRT6BU3V7ZOGJSLBP","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":"41b93a22e3fb875648440fa8b0aa2b8d32dbc8dae45f3bb04539866e918547ce","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-07-22T14:26:53Z","title_canon_sha256":"6db8ab212460d383358de22a5a86cba7bed8af3c5ff6c4acb40c5dd1c94d47aa"},"schema_version":"1.0","source":{"id":"2107.10707","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10707","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10707v1","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10707","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_12","alias_value":"QJGN4LVCQSRT","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_16","alias_value":"QJGN4LVCQSRT6BU3","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_8","alias_value":"QJGN4LVC","created_at":"2026-07-05T03:00:02Z"}],"graph_snapshots":[{"event_id":"sha256:4de2c9e1076bbd757ac46aba5a272d10513b1b3639611b0f6317050a35df73ca","target":"graph","created_at":"2026-07-05T03:00:02Z","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/2107.10707/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we adapt to cell-free Massive MIMO (multiple-input multiple-output) the finite-blocklength framework introduced by \\\"Ostman et al. (2020) for the characterization of the packet error probability achievable with Massive MIMO, in the ultra-reliable low-latency communications (URLLC) regime. The framework considered in this paper encompasses a cell-free architecture with imperfect channel-state information, and arbitrary linear signal processing performed at a central-processing unit connected to the access points via fronthaul links. By means of numerical simulations, we show that","authors_text":"Alejandro Lancho, Giuseppe Durisi, Luca Sanguinetti","cross_cats":["eess.SP","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-07-22T14:26:53Z","title":"Cell-free Massive MIMO with Short Packets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10707","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:cd22200a82fa46a274962a0a23daa0ddf6a208d91bc78d5e6d0b2c287d0753c7","target":"record","created_at":"2026-07-05T03:00:02Z","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":"41b93a22e3fb875648440fa8b0aa2b8d32dbc8dae45f3bb04539866e918547ce","cross_cats_sorted":["eess.SP","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2021-07-22T14:26:53Z","title_canon_sha256":"6db8ab212460d383358de22a5a86cba7bed8af3c5ff6c4acb40c5dd1c94d47aa"},"schema_version":"1.0","source":{"id":"2107.10707","kind":"arxiv","version":1}},"canonical_sha256":"824cde2ea284a33f069baff2e3264b0bd98f12c0fb8cf99d8c95a6697fc39861","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"824cde2ea284a33f069baff2e3264b0bd98f12c0fb8cf99d8c95a6697fc39861","first_computed_at":"2026-07-05T03:00:02.873811Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:02.873811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mvrM3KWPwWwgUDntt2pnQxGHcO4zS4x8eTXMMw6aa8CFb1VerRTHihBdgyrfZz5AwoHYeMBAkORxr66CgxTvDw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:02.874238Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.10707","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd22200a82fa46a274962a0a23daa0ddf6a208d91bc78d5e6d0b2c287d0753c7","sha256:4de2c9e1076bbd757ac46aba5a272d10513b1b3639611b0f6317050a35df73ca"],"state_sha256":"5daf184ff0729b154b249d12848b453f55cdc62f39a7be4f8bcb93fb97ec6e25"}