{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EH4ESW6CJJYNKHT47S3XOMUEN6","short_pith_number":"pith:EH4ESW6C","canonical_record":{"source":{"id":"1706.02853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-09T07:23:30Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"bdebc790e6750710d48e3c3d9ca050d2220c178745df8beac21b46b1a283f0c2","abstract_canon_sha256":"9e85a01ef6e78df68f20ca1bbf2d393f855f4122fb529f4e15d43be2419c5e1a"},"schema_version":"1.0"},"canonical_sha256":"21f8495bc24a70d51e7cfcb77732846f8adb9397fcc15f64f7703214b09b04a9","source":{"kind":"arxiv","id":"1706.02853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02853","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02853v1","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02853","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"pith_short_12","alias_value":"EH4ESW6CJJYN","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EH4ESW6CJJYNKHT4","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EH4ESW6C","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EH4ESW6CJJYNKHT47S3XOMUEN6","target":"record","payload":{"canonical_record":{"source":{"id":"1706.02853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-09T07:23:30Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"bdebc790e6750710d48e3c3d9ca050d2220c178745df8beac21b46b1a283f0c2","abstract_canon_sha256":"9e85a01ef6e78df68f20ca1bbf2d393f855f4122fb529f4e15d43be2419c5e1a"},"schema_version":"1.0"},"canonical_sha256":"21f8495bc24a70d51e7cfcb77732846f8adb9397fcc15f64f7703214b09b04a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:40.755979Z","signature_b64":"HdMOlRRoLSW7AW24pOIwxyWx487B8QwNbmj6vfdTzD+qksdJybllavlZOlorOIODryfA4yRBYsangAy2Ko3SAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21f8495bc24a70d51e7cfcb77732846f8adb9397fcc15f64f7703214b09b04a9","last_reissued_at":"2026-05-18T00:42:40.755292Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:40.755292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.02853","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":"2026-05-18T00:42:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YjKeeBFAaMHVBQZi1GVMRlK5Nzx0BCTzx8QD7dqgfV6AcwO1BtyddjVhaMVzaqIIscvgJu2Pk39HyaHY5DbAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:54:00.532420Z"},"content_sha256":"68334c96dd8466b323ac2fde56a826f77f9f507cbc6e7b67e021069c1fbef98c","schema_version":"1.0","event_id":"sha256:68334c96dd8466b323ac2fde56a826f77f9f507cbc6e7b67e021069c1fbef98c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EH4ESW6CJJYNKHT47S3XOMUEN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Fast-Convolution-Based Waveform Processing for 5G Physical Layer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Juha Yli-Kaakinen, Juho Pirskanen, Kari Pajukoski, Markku Renfors, Mikko Valkama, Sami Valkonen, Toni Levanen","submitted_at":"2017-06-09T07:23:30Z","abstract_excerpt":"This paper investigates the application of fast-convolution (FC) filtering schemes for flexible and effective waveform generation and processing in the fifth generation (5G) systems. FC-based filtering is presented as a generic multimode waveform processing engine while, following the progress of 5G new radio standardization in the Third-Generation Partnership Project, the main focus is on efficient generation and processing of subband-filtered cyclic prefix orthogonal frequency-division multiplexing (CP-OFDM) signals. First, a matrix model for analyzing FC filter processing responses is prese"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02853","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":"2026-05-18T00:42:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kcj9Dhos6VxvkIATftFKd97JOPMRWeVVlExMtgXU8NuPHdQJcqUAadL7WfgWXrgp5RGTR5oYFEzWOdgGha0zAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:54:00.533066Z"},"content_sha256":"60aa71dedc099e84b3ca4973838fe3dfbb04a1ccbc6987eec9690ccaa1da999e","schema_version":"1.0","event_id":"sha256:60aa71dedc099e84b3ca4973838fe3dfbb04a1ccbc6987eec9690ccaa1da999e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/bundle.json","state_url":"https://pith.science/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/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":"2026-05-31T21:54:00Z","links":{"resolver":"https://pith.science/pith/EH4ESW6CJJYNKHT47S3XOMUEN6","bundle":"https://pith.science/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/bundle.json","state":"https://pith.science/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EH4ESW6CJJYNKHT47S3XOMUEN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EH4ESW6CJJYNKHT47S3XOMUEN6","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":"9e85a01ef6e78df68f20ca1bbf2d393f855f4122fb529f4e15d43be2419c5e1a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-09T07:23:30Z","title_canon_sha256":"bdebc790e6750710d48e3c3d9ca050d2220c178745df8beac21b46b1a283f0c2"},"schema_version":"1.0","source":{"id":"1706.02853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02853","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02853v1","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02853","created_at":"2026-05-18T00:42:40Z"},{"alias_kind":"pith_short_12","alias_value":"EH4ESW6CJJYN","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EH4ESW6CJJYNKHT4","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EH4ESW6C","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:60aa71dedc099e84b3ca4973838fe3dfbb04a1ccbc6987eec9690ccaa1da999e","target":"graph","created_at":"2026-05-18T00:42:40Z","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":"This paper investigates the application of fast-convolution (FC) filtering schemes for flexible and effective waveform generation and processing in the fifth generation (5G) systems. FC-based filtering is presented as a generic multimode waveform processing engine while, following the progress of 5G new radio standardization in the Third-Generation Partnership Project, the main focus is on efficient generation and processing of subband-filtered cyclic prefix orthogonal frequency-division multiplexing (CP-OFDM) signals. First, a matrix model for analyzing FC filter processing responses is prese","authors_text":"Juha Yli-Kaakinen, Juho Pirskanen, Kari Pajukoski, Markku Renfors, Mikko Valkama, Sami Valkonen, Toni Levanen","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-09T07:23:30Z","title":"Efficient Fast-Convolution-Based Waveform Processing for 5G Physical Layer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02853","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":"sha256:68334c96dd8466b323ac2fde56a826f77f9f507cbc6e7b67e021069c1fbef98c","target":"record","created_at":"2026-05-18T00:42:40Z","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":"9e85a01ef6e78df68f20ca1bbf2d393f855f4122fb529f4e15d43be2419c5e1a","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-09T07:23:30Z","title_canon_sha256":"bdebc790e6750710d48e3c3d9ca050d2220c178745df8beac21b46b1a283f0c2"},"schema_version":"1.0","source":{"id":"1706.02853","kind":"arxiv","version":1}},"canonical_sha256":"21f8495bc24a70d51e7cfcb77732846f8adb9397fcc15f64f7703214b09b04a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21f8495bc24a70d51e7cfcb77732846f8adb9397fcc15f64f7703214b09b04a9","first_computed_at":"2026-05-18T00:42:40.755292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:40.755292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HdMOlRRoLSW7AW24pOIwxyWx487B8QwNbmj6vfdTzD+qksdJybllavlZOlorOIODryfA4yRBYsangAy2Ko3SAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:40.755979Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.02853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68334c96dd8466b323ac2fde56a826f77f9f507cbc6e7b67e021069c1fbef98c","sha256:60aa71dedc099e84b3ca4973838fe3dfbb04a1ccbc6987eec9690ccaa1da999e"],"state_sha256":"afe32610efeb6dc8e65c661cb48b6e5405815df3fdf13456ea8e5888a25c9b36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vVMAYAerEgOC2YI4qFy3Ny5EHgX/3wXlMblJABcwfW+TAlh9lveIEggWrU7DwtjH3sZog6t5kTEGQVmK5cOCCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:54:00.536074Z","bundle_sha256":"17d79331618eb8c09dbbd4fcd38b75a81632003afc1c65231eb61e83c11becd4"}}