{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RGKDH4HUC3233EIZAT6Z3I35UY","short_pith_number":"pith:RGKDH4HU","canonical_record":{"source":{"id":"1702.05397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-02-17T15:39:16Z","cross_cats_sorted":[],"title_canon_sha256":"7b94f6d27fb77bdad5899e222adfd720c7f965bed482bed2f960e38a029cb724","abstract_canon_sha256":"d6dac5c0cfb47c785317b82c6bfef3cdab936e7ae70104a8673e4222b7ae4a37"},"schema_version":"1.0"},"canonical_sha256":"899433f0f416f5bd911904fd9da37da62f207549d25548d5fcd7d06727683f56","source":{"kind":"arxiv","id":"1702.05397","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05397","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05397v2","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05397","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"RGKDH4HUC323","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RGKDH4HUC3233EIZ","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RGKDH4HU","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RGKDH4HUC3233EIZAT6Z3I35UY","target":"record","payload":{"canonical_record":{"source":{"id":"1702.05397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-02-17T15:39:16Z","cross_cats_sorted":[],"title_canon_sha256":"7b94f6d27fb77bdad5899e222adfd720c7f965bed482bed2f960e38a029cb724","abstract_canon_sha256":"d6dac5c0cfb47c785317b82c6bfef3cdab936e7ae70104a8673e4222b7ae4a37"},"schema_version":"1.0"},"canonical_sha256":"899433f0f416f5bd911904fd9da37da62f207549d25548d5fcd7d06727683f56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:16.584587Z","signature_b64":"+pq8IHzuGAfmgdxMmjDrcN6X4M/rPPJRnTA0HiDV7De2/MxdKWqv4luqRUbbBmJcCIfmvgXV7FSpN+n7VrjaDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"899433f0f416f5bd911904fd9da37da62f207549d25548d5fcd7d06727683f56","last_reissued_at":"2026-05-18T00:14:16.584094Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:16.584094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.05397","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QBNf8in1iDlpJno0FQhsvFcu9DfU68fPAj6mMYUslGM9ZPkyebckhXLmCnyYnRzWbd3cAOWe38/msT6JcQB/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:20:43.118063Z"},"content_sha256":"ef701d5b32227e64c108169994e8b684777a543756734c96861c70a19f8715b4","schema_version":"1.0","event_id":"sha256:ef701d5b32227e64c108169994e8b684777a543756734c96861c70a19f8715b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RGKDH4HUC3233EIZAT6Z3I35UY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AP-initiated Multi-User Transmissions in IEEE 802.11ax WLANs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Boris Bellalta, Katarzyna Kosek-Szott","submitted_at":"2017-02-17T15:39:16Z","abstract_excerpt":"Next-generation 802.11ax WLANs will make extensive use of multi-user communications in both downlink (DL) and uplink (UL) directions to achieve high and efficient spectrum utilization in scenarios with many user stations per access point. It will become possible with the support of multi-user (MU) multiple input, multiple output (MIMO) and orthogonal frequency division multiple access (OFDMA) transmissions. In this paper, we first overview the novel characteristics introduced by IEEE 802.11ax to implement AP-initiated OFDMA and MU-MIMO transmissions in both downlink and uplink directions. Name"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05397","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":""},"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":"2026-05-18T00:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g2GzJ8AIC7zfe5waDKwgKkgPLEGixbeHWQASDoCcVFd7WI6d/Nh7d46xIsKGYQI8S9WgQW/5dolUp6cZVfc+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:20:43.118675Z"},"content_sha256":"c7d5b4980ace70d969811e33b03c195a951af4337db6e13f06247a07359b0e5b","schema_version":"1.0","event_id":"sha256:c7d5b4980ace70d969811e33b03c195a951af4337db6e13f06247a07359b0e5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RGKDH4HUC3233EIZAT6Z3I35UY/bundle.json","state_url":"https://pith.science/pith/RGKDH4HUC3233EIZAT6Z3I35UY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RGKDH4HUC3233EIZAT6Z3I35UY/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":"2026-06-07T23:20:43Z","links":{"resolver":"https://pith.science/pith/RGKDH4HUC3233EIZAT6Z3I35UY","bundle":"https://pith.science/pith/RGKDH4HUC3233EIZAT6Z3I35UY/bundle.json","state":"https://pith.science/pith/RGKDH4HUC3233EIZAT6Z3I35UY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RGKDH4HUC3233EIZAT6Z3I35UY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RGKDH4HUC3233EIZAT6Z3I35UY","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":"d6dac5c0cfb47c785317b82c6bfef3cdab936e7ae70104a8673e4222b7ae4a37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-02-17T15:39:16Z","title_canon_sha256":"7b94f6d27fb77bdad5899e222adfd720c7f965bed482bed2f960e38a029cb724"},"schema_version":"1.0","source":{"id":"1702.05397","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05397","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05397v2","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05397","created_at":"2026-05-18T00:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"RGKDH4HUC323","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RGKDH4HUC3233EIZ","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RGKDH4HU","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:c7d5b4980ace70d969811e33b03c195a951af4337db6e13f06247a07359b0e5b","target":"graph","created_at":"2026-05-18T00:14:16Z","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":"Next-generation 802.11ax WLANs will make extensive use of multi-user communications in both downlink (DL) and uplink (UL) directions to achieve high and efficient spectrum utilization in scenarios with many user stations per access point. It will become possible with the support of multi-user (MU) multiple input, multiple output (MIMO) and orthogonal frequency division multiple access (OFDMA) transmissions. In this paper, we first overview the novel characteristics introduced by IEEE 802.11ax to implement AP-initiated OFDMA and MU-MIMO transmissions in both downlink and uplink directions. Name","authors_text":"Boris Bellalta, Katarzyna Kosek-Szott","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-02-17T15:39:16Z","title":"AP-initiated Multi-User Transmissions in IEEE 802.11ax WLANs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05397","kind":"arxiv","version":2},"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:ef701d5b32227e64c108169994e8b684777a543756734c96861c70a19f8715b4","target":"record","created_at":"2026-05-18T00:14:16Z","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":"d6dac5c0cfb47c785317b82c6bfef3cdab936e7ae70104a8673e4222b7ae4a37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-02-17T15:39:16Z","title_canon_sha256":"7b94f6d27fb77bdad5899e222adfd720c7f965bed482bed2f960e38a029cb724"},"schema_version":"1.0","source":{"id":"1702.05397","kind":"arxiv","version":2}},"canonical_sha256":"899433f0f416f5bd911904fd9da37da62f207549d25548d5fcd7d06727683f56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"899433f0f416f5bd911904fd9da37da62f207549d25548d5fcd7d06727683f56","first_computed_at":"2026-05-18T00:14:16.584094Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:16.584094Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+pq8IHzuGAfmgdxMmjDrcN6X4M/rPPJRnTA0HiDV7De2/MxdKWqv4luqRUbbBmJcCIfmvgXV7FSpN+n7VrjaDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:16.584587Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.05397","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef701d5b32227e64c108169994e8b684777a543756734c96861c70a19f8715b4","sha256:c7d5b4980ace70d969811e33b03c195a951af4337db6e13f06247a07359b0e5b"],"state_sha256":"2aeb9dbb3737143852e3f11084cd668ff51e3da16ab88325ca4d7353582e21e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lpLUPX4SvxXsZZh4Lu6z0+4q9K4DERh3ayOqAy8cHVyIWA5CuoLfCXUPPvC2+5gToZFGCbHk98gN1LLaczssAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:20:43.122353Z","bundle_sha256":"568591cc42b605251c4dabac37ea4672a636838382fb4ca0fb0f542f9718b000"}}