{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EZD3QKBZG73JAWOXAHPS6Y7EQJ","short_pith_number":"pith:EZD3QKBZ","canonical_record":{"source":{"id":"1904.08705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-18T11:41:15Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"78d1c86dd14f6b09717b79cc9c6f1e24c80c1570bf66b61ff0197b7e097d1e80","abstract_canon_sha256":"0cbaf6dbc6070f62477beccf5d469551e918a7badaf1d528da42733f81a93f1e"},"schema_version":"1.0"},"canonical_sha256":"2647b8283937f69059d701df2f63e4826c58acf0b2a5e1c96212e3e9ed62b031","source":{"kind":"arxiv","id":"1904.08705","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08705","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08705v1","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08705","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"EZD3QKBZG73J","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EZD3QKBZG73JAWOX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EZD3QKBZ","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EZD3QKBZG73JAWOXAHPS6Y7EQJ","target":"record","payload":{"canonical_record":{"source":{"id":"1904.08705","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-18T11:41:15Z","cross_cats_sorted":["cs.NI","math.IT"],"title_canon_sha256":"78d1c86dd14f6b09717b79cc9c6f1e24c80c1570bf66b61ff0197b7e097d1e80","abstract_canon_sha256":"0cbaf6dbc6070f62477beccf5d469551e918a7badaf1d528da42733f81a93f1e"},"schema_version":"1.0"},"canonical_sha256":"2647b8283937f69059d701df2f63e4826c58acf0b2a5e1c96212e3e9ed62b031","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:13.307698Z","signature_b64":"kg6g0dfOTHXgMi/EH7eAMWSmeYO9F8FJnZIgfxsWjXtgtJNHvtNZIT+gy297MjeLvf7qt5Sc9ujbuBeayF84CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2647b8283937f69059d701df2f63e4826c58acf0b2a5e1c96212e3e9ed62b031","last_reissued_at":"2026-05-17T23:48:13.307090Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:13.307090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.08705","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":"2026-05-17T23:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocC2lTbX2r7LqCRDslL9Q/oOuICvj3OVNN0uvJztjzc2XZzvdRlVBFvVcdCkxMrR+4cjDd23qHU9Ujs4Uzx+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:36:24.951924Z"},"content_sha256":"143c7ba044263fcd228999a93fa205c58be25d2bd48b096781b84d3901d79a78","schema_version":"1.0","event_id":"sha256:143c7ba044263fcd228999a93fa205c58be25d2bd48b096781b84d3901d79a78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EZD3QKBZG73JAWOXAHPS6Y7EQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Binary Countdown for Massive IoT Random Access in Dense 5G Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI","math.IT"],"primary_cat":"cs.IT","authors_text":"Mikhail Vilgelm, Sergio Rueda Linares, Wolfgang Kellerer","submitted_at":"2019-04-18T11:41:15Z","abstract_excerpt":"Massive connectivity for Internet of Things applications is expected to challenge the way access reservation protocols are designed in 5G networks. Since the number of devices and their density are envisioned to be orders of magnitude larger, state-of-the-art access reservation, Random Access (RA) procedure, might be a bottleneck for end-to-end delay. This would be especially challenging for burst arrival scenarios: Semi-synchronous triggering of a large number of devices due to a common event (blackout, emergency alarm, etc.). In this article, to improve RA procedure scalability, we propose t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08705","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":"2026-05-17T23:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vMfKQj2MhLCBeX3lIFKqIbP7fXmQV20xuJIu+UUW5GAjhOc5z6IjvVBJ+w9Jtg4L7fPBVLfX2cEpgIzBIHJBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:36:24.952269Z"},"content_sha256":"0d894014a735772aba9c2884cd1b66451b1e8f31945789ab6a4a65efbfd909c6","schema_version":"1.0","event_id":"sha256:0d894014a735772aba9c2884cd1b66451b1e8f31945789ab6a4a65efbfd909c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/bundle.json","state_url":"https://pith.science/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/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":"2026-05-30T07:36:24Z","links":{"resolver":"https://pith.science/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ","bundle":"https://pith.science/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/bundle.json","state":"https://pith.science/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZD3QKBZG73JAWOXAHPS6Y7EQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EZD3QKBZG73JAWOXAHPS6Y7EQJ","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":"0cbaf6dbc6070f62477beccf5d469551e918a7badaf1d528da42733f81a93f1e","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-18T11:41:15Z","title_canon_sha256":"78d1c86dd14f6b09717b79cc9c6f1e24c80c1570bf66b61ff0197b7e097d1e80"},"schema_version":"1.0","source":{"id":"1904.08705","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08705","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08705v1","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08705","created_at":"2026-05-17T23:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"EZD3QKBZG73J","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EZD3QKBZG73JAWOX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EZD3QKBZ","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:0d894014a735772aba9c2884cd1b66451b1e8f31945789ab6a4a65efbfd909c6","target":"graph","created_at":"2026-05-17T23:48:13Z","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":"Massive connectivity for Internet of Things applications is expected to challenge the way access reservation protocols are designed in 5G networks. Since the number of devices and their density are envisioned to be orders of magnitude larger, state-of-the-art access reservation, Random Access (RA) procedure, might be a bottleneck for end-to-end delay. This would be especially challenging for burst arrival scenarios: Semi-synchronous triggering of a large number of devices due to a common event (blackout, emergency alarm, etc.). In this article, to improve RA procedure scalability, we propose t","authors_text":"Mikhail Vilgelm, Sergio Rueda Linares, Wolfgang Kellerer","cross_cats":["cs.NI","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-18T11:41:15Z","title":"Dynamic Binary Countdown for Massive IoT Random Access in Dense 5G Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08705","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":"sha256:143c7ba044263fcd228999a93fa205c58be25d2bd48b096781b84d3901d79a78","target":"record","created_at":"2026-05-17T23:48:13Z","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":"0cbaf6dbc6070f62477beccf5d469551e918a7badaf1d528da42733f81a93f1e","cross_cats_sorted":["cs.NI","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-04-18T11:41:15Z","title_canon_sha256":"78d1c86dd14f6b09717b79cc9c6f1e24c80c1570bf66b61ff0197b7e097d1e80"},"schema_version":"1.0","source":{"id":"1904.08705","kind":"arxiv","version":1}},"canonical_sha256":"2647b8283937f69059d701df2f63e4826c58acf0b2a5e1c96212e3e9ed62b031","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2647b8283937f69059d701df2f63e4826c58acf0b2a5e1c96212e3e9ed62b031","first_computed_at":"2026-05-17T23:48:13.307090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:13.307090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kg6g0dfOTHXgMi/EH7eAMWSmeYO9F8FJnZIgfxsWjXtgtJNHvtNZIT+gy297MjeLvf7qt5Sc9ujbuBeayF84CQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:13.307698Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.08705","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:143c7ba044263fcd228999a93fa205c58be25d2bd48b096781b84d3901d79a78","sha256:0d894014a735772aba9c2884cd1b66451b1e8f31945789ab6a4a65efbfd909c6"],"state_sha256":"e387dcfcc9748d982119374a9512b3bc080793610b91fa30686917d2cc4b2830"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MVcRRzlXDEMIKo29L8P8Fo9F1lAWUstJ0qf1ySEZRhvuK478LHtw3af72KawMlvztqN28fHhy7mH0k/NUAXLCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:36:24.954246Z","bundle_sha256":"f55968f8e8924150d11cb3f098578ade7e778c6c54f957b315959af8e10cdd80"}}