{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:SFTJTBGIQDYNKNU2O6WLKWP4QA","short_pith_number":"pith:SFTJTBGI","canonical_record":{"source":{"id":"1604.05623","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-19T15:22:57Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"9141f5d9faa11b4302e4b4ee29829d0522d616255b0062ffc1d979cc04dd81b5","abstract_canon_sha256":"a7dd4aa5b87a6f1b8cbc39b71ebac168db3325eefbc7b1f95027bd62c43ea8d5"},"schema_version":"1.0"},"canonical_sha256":"91669984c880f0d5369a77acb559fc803e716f0a865cec27c3db50c4fd44f52d","source":{"kind":"arxiv","id":"1604.05623","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05623","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05623v1","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05623","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"pith_short_12","alias_value":"SFTJTBGIQDYN","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SFTJTBGIQDYNKNU2","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SFTJTBGI","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:SFTJTBGIQDYNKNU2O6WLKWP4QA","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05623","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-19T15:22:57Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"9141f5d9faa11b4302e4b4ee29829d0522d616255b0062ffc1d979cc04dd81b5","abstract_canon_sha256":"a7dd4aa5b87a6f1b8cbc39b71ebac168db3325eefbc7b1f95027bd62c43ea8d5"},"schema_version":"1.0"},"canonical_sha256":"91669984c880f0d5369a77acb559fc803e716f0a865cec27c3db50c4fd44f52d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:38.171604Z","signature_b64":"KwIyaZ8FcLdDLJ/vsnCpHcP30c4imMYpDLM+2jaEkV1Aaqp681gKkz2m6cub78zzf2HJDf/qB9R5WW4swyyICQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91669984c880f0d5369a77acb559fc803e716f0a865cec27c3db50c4fd44f52d","last_reissued_at":"2026-05-18T01:16:38.171038Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:38.171038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05623","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":"2026-05-18T01:16:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZpbR13rYqCn+/CQjfkiR+vHkM/2JTWY8xxbmoof23nTC76P9pVw4FwzYWFXHXwTS3p7ZD3TvSE2lucyaw/tpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:45:15.401795Z"},"content_sha256":"ba1c4c523aefa62a2305e5568c5613570d61ab9207268edc0d572f54e1dfedc2","schema_version":"1.0","event_id":"sha256:ba1c4c523aefa62a2305e5568c5613570d61ab9207268edc0d572f54e1dfedc2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:SFTJTBGIQDYNKNU2O6WLKWP4QA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Channel Dynamics and SNR Tracking in Millimeter Wave Cellular Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"cs.NI","authors_text":"Aditya Dhananjay, Marco Giordani, Marco Mezzavilla, Michele Zorzi, Sundeep Rangan","submitted_at":"2016-04-19T15:22:57Z","abstract_excerpt":"The millimeter wave (mmWave) frequencies are likely to play a significant role in fifth-generation (5G) cellular systems. A key challenge in developing systems in these bands is the potential for rapid channel dynamics: since mmWave signals are blocked by many materials, small changes in the position or orientation of the handset relative to objects in the environment can cause large swings in the channel quality. This paper addresses the issue of tracking the signal to noise ratio (SNR), which is an essential procedure for rate prediction, handover and radio link failure detection. A simple m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05623","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":"2026-05-18T01:16:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y96NKshqAhEqRtpEA6c4UVOx2z9eX5vXQeos8QS+p30/q8Wz+hNqz8azW4TuUHdUk7qlXnDcTmLXWp2DhVqYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:45:15.402229Z"},"content_sha256":"356db826a9b71d644a90288aa7cca3d66610fdc7534806af731ef483cb68f468","schema_version":"1.0","event_id":"sha256:356db826a9b71d644a90288aa7cca3d66610fdc7534806af731ef483cb68f468"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/bundle.json","state_url":"https://pith.science/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/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":"2026-05-29T15:45:15Z","links":{"resolver":"https://pith.science/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA","bundle":"https://pith.science/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/bundle.json","state":"https://pith.science/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SFTJTBGIQDYNKNU2O6WLKWP4QA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:SFTJTBGIQDYNKNU2O6WLKWP4QA","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":"a7dd4aa5b87a6f1b8cbc39b71ebac168db3325eefbc7b1f95027bd62c43ea8d5","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-19T15:22:57Z","title_canon_sha256":"9141f5d9faa11b4302e4b4ee29829d0522d616255b0062ffc1d979cc04dd81b5"},"schema_version":"1.0","source":{"id":"1604.05623","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05623","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05623v1","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05623","created_at":"2026-05-18T01:16:38Z"},{"alias_kind":"pith_short_12","alias_value":"SFTJTBGIQDYN","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SFTJTBGIQDYNKNU2","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SFTJTBGI","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:356db826a9b71d644a90288aa7cca3d66610fdc7534806af731ef483cb68f468","target":"graph","created_at":"2026-05-18T01:16:38Z","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":"The millimeter wave (mmWave) frequencies are likely to play a significant role in fifth-generation (5G) cellular systems. A key challenge in developing systems in these bands is the potential for rapid channel dynamics: since mmWave signals are blocked by many materials, small changes in the position or orientation of the handset relative to objects in the environment can cause large swings in the channel quality. This paper addresses the issue of tracking the signal to noise ratio (SNR), which is an essential procedure for rate prediction, handover and radio link failure detection. A simple m","authors_text":"Aditya Dhananjay, Marco Giordani, Marco Mezzavilla, Michele Zorzi, Sundeep Rangan","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-19T15:22:57Z","title":"Channel Dynamics and SNR Tracking in Millimeter Wave Cellular Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05623","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:ba1c4c523aefa62a2305e5568c5613570d61ab9207268edc0d572f54e1dfedc2","target":"record","created_at":"2026-05-18T01:16:38Z","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":"a7dd4aa5b87a6f1b8cbc39b71ebac168db3325eefbc7b1f95027bd62c43ea8d5","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-19T15:22:57Z","title_canon_sha256":"9141f5d9faa11b4302e4b4ee29829d0522d616255b0062ffc1d979cc04dd81b5"},"schema_version":"1.0","source":{"id":"1604.05623","kind":"arxiv","version":1}},"canonical_sha256":"91669984c880f0d5369a77acb559fc803e716f0a865cec27c3db50c4fd44f52d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91669984c880f0d5369a77acb559fc803e716f0a865cec27c3db50c4fd44f52d","first_computed_at":"2026-05-18T01:16:38.171038Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:38.171038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KwIyaZ8FcLdDLJ/vsnCpHcP30c4imMYpDLM+2jaEkV1Aaqp681gKkz2m6cub78zzf2HJDf/qB9R5WW4swyyICQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:38.171604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05623","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba1c4c523aefa62a2305e5568c5613570d61ab9207268edc0d572f54e1dfedc2","sha256:356db826a9b71d644a90288aa7cca3d66610fdc7534806af731ef483cb68f468"],"state_sha256":"c404099012070a0815fa6fd2c85dc2478f255d9d1c6426b9e97cda3159946f17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kP4EAwQIN+H7z45MRqwJQId845N7qJKxx1RvXRcszrwxrkBRZBzdBgFa2DaAlATbp/vVlZafvHSLLcfkdz4TDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:45:15.404554Z","bundle_sha256":"fb7f747daf1b261baf4dbc3b693f8a31dd0eef6ebd2331c635eda1da9833a0fe"}}