{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FDF4D7OUISE3DB7XRCG4CBC3NV","short_pith_number":"pith:FDF4D7OU","canonical_record":{"source":{"id":"1804.11097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-30T09:30:28Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"adabeedd4c11e79a2184e8552b3d716acdd806ea225693956b713589d4861963","abstract_canon_sha256":"9bb6f6b2886d5b8277913fc58a3c4a8371863a426e0e78e5710944ad9842b9c9"},"schema_version":"1.0"},"canonical_sha256":"28cbc1fdd44489b187f7888dc1045b6d793ceb93a101659910230de45ae55bfd","source":{"kind":"arxiv","id":"1804.11097","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11097","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11097v1","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11097","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"FDF4D7OUISE3","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FDF4D7OUISE3DB7X","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FDF4D7OU","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FDF4D7OUISE3DB7XRCG4CBC3NV","target":"record","payload":{"canonical_record":{"source":{"id":"1804.11097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-30T09:30:28Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"adabeedd4c11e79a2184e8552b3d716acdd806ea225693956b713589d4861963","abstract_canon_sha256":"9bb6f6b2886d5b8277913fc58a3c4a8371863a426e0e78e5710944ad9842b9c9"},"schema_version":"1.0"},"canonical_sha256":"28cbc1fdd44489b187f7888dc1045b6d793ceb93a101659910230de45ae55bfd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:14.605915Z","signature_b64":"ThUotybsvRuJIDGeT9tWJELEcfTK0+srKy9hSzhluWoBDt6AS6WShzGdQ7FP94YMmqtFNKWK+0/CCP0FqoonDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28cbc1fdd44489b187f7888dc1045b6d793ceb93a101659910230de45ae55bfd","last_reissued_at":"2026-05-18T00:17:14.605325Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:14.605325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.11097","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":"2026-05-18T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4P+w6ScqNqsxSQ3O1lBz4x4/a/HcF9t/G6HJvi1LWBGqPjo8CN5l8dyqpM4FKQNiZp3SiI3yIUCAyjKDmB83BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:51:33.004455Z"},"content_sha256":"0fe20ef268d85d0d7ce5e426333c453386befa31c5fd58670c924a7f8c604885","schema_version":"1.0","event_id":"sha256:0fe20ef268d85d0d7ce5e426333c453386befa31c5fd58670c924a7f8c604885"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FDF4D7OUISE3DB7XRCG4CBC3NV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VLC Systems with Fixed-Rate Transmissions under Statistical Queueing Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"J\\\"urgen Peissig, Marwan Hammouda","submitted_at":"2018-04-30T09:30:28Z","abstract_excerpt":"Cross-layer analysis has been gaining an increasing attention as a powerful tool to study and assess different quality-of-service (QoS) mechanisms in wireless networks. Regarding the physical and data-link layers, in this paper we provide a cross-layer study for visible light communication (VLC) systems operating under statistical QoS constraints, which are inflicted as limits on the delay violation and buffer overflow probabilities. We assume that the VLC access point (AP) is unaware of the channel conditions, thus the AP sends the data at a fixed rate. Under this assumption, and considering "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11097","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":""},"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":"2026-05-18T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dep4dkf3A3P84GCN8ZD21oO43Vs9JbI2jhzaSgKLL24C9WwntUUD9cVdePELU3WsKP2BpP6hznzxZDzNjkAkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:51:33.004800Z"},"content_sha256":"a917f96f74c2c377386049ec9cadab1a51a2b802c1471bfe86590b7cea62d34b","schema_version":"1.0","event_id":"sha256:a917f96f74c2c377386049ec9cadab1a51a2b802c1471bfe86590b7cea62d34b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/bundle.json","state_url":"https://pith.science/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/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":"2026-06-08T09:51:33Z","links":{"resolver":"https://pith.science/pith/FDF4D7OUISE3DB7XRCG4CBC3NV","bundle":"https://pith.science/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/bundle.json","state":"https://pith.science/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDF4D7OUISE3DB7XRCG4CBC3NV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FDF4D7OUISE3DB7XRCG4CBC3NV","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":"9bb6f6b2886d5b8277913fc58a3c4a8371863a426e0e78e5710944ad9842b9c9","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-30T09:30:28Z","title_canon_sha256":"adabeedd4c11e79a2184e8552b3d716acdd806ea225693956b713589d4861963"},"schema_version":"1.0","source":{"id":"1804.11097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11097","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11097v1","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11097","created_at":"2026-05-18T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"FDF4D7OUISE3","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FDF4D7OUISE3DB7X","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FDF4D7OU","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:a917f96f74c2c377386049ec9cadab1a51a2b802c1471bfe86590b7cea62d34b","target":"graph","created_at":"2026-05-18T00:17:14Z","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"},"paper":{"abstract_excerpt":"Cross-layer analysis has been gaining an increasing attention as a powerful tool to study and assess different quality-of-service (QoS) mechanisms in wireless networks. Regarding the physical and data-link layers, in this paper we provide a cross-layer study for visible light communication (VLC) systems operating under statistical QoS constraints, which are inflicted as limits on the delay violation and buffer overflow probabilities. We assume that the VLC access point (AP) is unaware of the channel conditions, thus the AP sends the data at a fixed rate. Under this assumption, and considering ","authors_text":"J\\\"urgen Peissig, Marwan Hammouda","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-30T09:30:28Z","title":"VLC Systems with Fixed-Rate Transmissions under Statistical Queueing Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11097","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":"sha256:0fe20ef268d85d0d7ce5e426333c453386befa31c5fd58670c924a7f8c604885","target":"record","created_at":"2026-05-18T00:17:14Z","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":"9bb6f6b2886d5b8277913fc58a3c4a8371863a426e0e78e5710944ad9842b9c9","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-04-30T09:30:28Z","title_canon_sha256":"adabeedd4c11e79a2184e8552b3d716acdd806ea225693956b713589d4861963"},"schema_version":"1.0","source":{"id":"1804.11097","kind":"arxiv","version":1}},"canonical_sha256":"28cbc1fdd44489b187f7888dc1045b6d793ceb93a101659910230de45ae55bfd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28cbc1fdd44489b187f7888dc1045b6d793ceb93a101659910230de45ae55bfd","first_computed_at":"2026-05-18T00:17:14.605325Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:14.605325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ThUotybsvRuJIDGeT9tWJELEcfTK0+srKy9hSzhluWoBDt6AS6WShzGdQ7FP94YMmqtFNKWK+0/CCP0FqoonDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:14.605915Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.11097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fe20ef268d85d0d7ce5e426333c453386befa31c5fd58670c924a7f8c604885","sha256:a917f96f74c2c377386049ec9cadab1a51a2b802c1471bfe86590b7cea62d34b"],"state_sha256":"9e3fa53181beb2b781715fba9e3497c88e265568eb8be11962a31fdddf3bf270"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SIyXbmY0yrldwFTn9/UKuq7tqzRubS8HtH24Z9A9AUPGMXxmFh/EWm0wEuDi37TX+5HXj17ZRkXcQHUG9w4gBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T09:51:33.006717Z","bundle_sha256":"56271b87727e6f3486e961f8dcfbbb82f4c862d6cc556a789ccb5fae1410d2cf"}}