{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3XHZ7Q255ABPNGSPBQ4ZRXI7JB","short_pith_number":"pith:3XHZ7Q25","canonical_record":{"source":{"id":"1212.3374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-14T00:15:05Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"e3ee6e83b3ee3ec06afc72c42009ab2ac43832183f691d1da279f9e9756f4032","abstract_canon_sha256":"a6b120c9696b6083d664b3e1c806c4a1e0d6f74d66c516f213ac0e3be7a71afb"},"schema_version":"1.0"},"canonical_sha256":"ddcf9fc35de802f69a4f0c3998dd1f486bb17b9efae7e0638c12e3d3f0b4816e","source":{"kind":"arxiv","id":"1212.3374","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3374","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3374v2","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3374","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"3XHZ7Q255ABP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3XHZ7Q255ABPNGSP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3XHZ7Q25","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3XHZ7Q255ABPNGSPBQ4ZRXI7JB","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-14T00:15:05Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"e3ee6e83b3ee3ec06afc72c42009ab2ac43832183f691d1da279f9e9756f4032","abstract_canon_sha256":"a6b120c9696b6083d664b3e1c806c4a1e0d6f74d66c516f213ac0e3be7a71afb"},"schema_version":"1.0"},"canonical_sha256":"ddcf9fc35de802f69a4f0c3998dd1f486bb17b9efae7e0638c12e3d3f0b4816e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:40.246833Z","signature_b64":"k6tGBQ4InCXneRjRhmbfOYuhlrcvGRE0TrH3gktPI6x1y+fJBnewLBTIZDb8HN8hONeI6VA6gPZ6dYsltjWdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddcf9fc35de802f69a4f0c3998dd1f486bb17b9efae7e0638c12e3d3f0b4816e","last_reissued_at":"2026-05-18T03:18:40.246138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:40.246138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3374","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":"2026-05-18T03:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWSsMkmdoxmzjqhb/m+esGKvADHKs9HFgj9z9TVHRpNRKguzFTl4tD3iWsjlr/aIzLsC/RM7XPamkfhpUVwWBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:07:30.992636Z"},"content_sha256":"1572e068a8f6a4e17b00b5f26523278f619d7cec8d92c5632625ec942512db95","schema_version":"1.0","event_id":"sha256:1572e068a8f6a4e17b00b5f26523278f619d7cec8d92c5632625ec942512db95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3XHZ7Q255ABPNGSPBQ4ZRXI7JB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Survey on Multicarrier Communications: Prototype Filters, Lattice Structures, and Implementation Aspects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Alphan \\c{S}ahin, H\\\"useyin Arslan, Ismail G\\\"uven\\c{c}","submitted_at":"2012-12-14T00:15:05Z","abstract_excerpt":"Due to their numerous advantages, communications over multicarrier schemes constitute an appealing approach for broadband wireless systems. Especially, the strong penetration of orthogonal frequency division multiplexing (OFDM) into the communications standards has triggered heavy investigation on multicarrier systems, leading to re-consideration of different approaches as an alternative to OFDM. The goal of the present survey is not only to provide a unified review of waveform design options for multicarrier schemes, but also to pave the way for the evolution of the multicarrier schemes from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3374","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":"2026-05-18T03:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2Kz4VTS5UGvglnJLkRLAbKCkiS8RprnaAwL20R+aq/AWea95M7Ci/rMb7BJfFIey8XbUz2RIsjayRR81QVMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:07:30.992986Z"},"content_sha256":"2c484540501702c26afc0a7ea8cf6abe88345fb761afe17d19c2ff2dbf974873","schema_version":"1.0","event_id":"sha256:2c484540501702c26afc0a7ea8cf6abe88345fb761afe17d19c2ff2dbf974873"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/bundle.json","state_url":"https://pith.science/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/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":"2026-06-01T20:07:30Z","links":{"resolver":"https://pith.science/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB","bundle":"https://pith.science/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/bundle.json","state":"https://pith.science/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3XHZ7Q255ABPNGSPBQ4ZRXI7JB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3XHZ7Q255ABPNGSPBQ4ZRXI7JB","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":"a6b120c9696b6083d664b3e1c806c4a1e0d6f74d66c516f213ac0e3be7a71afb","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-14T00:15:05Z","title_canon_sha256":"e3ee6e83b3ee3ec06afc72c42009ab2ac43832183f691d1da279f9e9756f4032"},"schema_version":"1.0","source":{"id":"1212.3374","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3374","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3374v2","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3374","created_at":"2026-05-18T03:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"3XHZ7Q255ABP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3XHZ7Q255ABPNGSP","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3XHZ7Q25","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:2c484540501702c26afc0a7ea8cf6abe88345fb761afe17d19c2ff2dbf974873","target":"graph","created_at":"2026-05-18T03:18:40Z","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":"Due to their numerous advantages, communications over multicarrier schemes constitute an appealing approach for broadband wireless systems. Especially, the strong penetration of orthogonal frequency division multiplexing (OFDM) into the communications standards has triggered heavy investigation on multicarrier systems, leading to re-consideration of different approaches as an alternative to OFDM. The goal of the present survey is not only to provide a unified review of waveform design options for multicarrier schemes, but also to pave the way for the evolution of the multicarrier schemes from ","authors_text":"Alphan \\c{S}ahin, H\\\"useyin Arslan, Ismail G\\\"uven\\c{c}","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-14T00:15:05Z","title":"A Survey on Multicarrier Communications: Prototype Filters, Lattice Structures, and Implementation Aspects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3374","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":"sha256:1572e068a8f6a4e17b00b5f26523278f619d7cec8d92c5632625ec942512db95","target":"record","created_at":"2026-05-18T03:18:40Z","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":"a6b120c9696b6083d664b3e1c806c4a1e0d6f74d66c516f213ac0e3be7a71afb","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-14T00:15:05Z","title_canon_sha256":"e3ee6e83b3ee3ec06afc72c42009ab2ac43832183f691d1da279f9e9756f4032"},"schema_version":"1.0","source":{"id":"1212.3374","kind":"arxiv","version":2}},"canonical_sha256":"ddcf9fc35de802f69a4f0c3998dd1f486bb17b9efae7e0638c12e3d3f0b4816e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddcf9fc35de802f69a4f0c3998dd1f486bb17b9efae7e0638c12e3d3f0b4816e","first_computed_at":"2026-05-18T03:18:40.246138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:40.246138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k6tGBQ4InCXneRjRhmbfOYuhlrcvGRE0TrH3gktPI6x1y+fJBnewLBTIZDb8HN8hONeI6VA6gPZ6dYsltjWdCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:40.246833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3374","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1572e068a8f6a4e17b00b5f26523278f619d7cec8d92c5632625ec942512db95","sha256:2c484540501702c26afc0a7ea8cf6abe88345fb761afe17d19c2ff2dbf974873"],"state_sha256":"38afa3d50d363989531ebaec41e475962fcd7fe8d6d2b3e08eaa8bd1a025ddc4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNG1S8a5cKPITd2ub4CZEeqsKH4Wkq0CboeB1pWJ6er3YEFQwUQE1z6DfVBBT4DLCyg8ScBNbefyQqYetkH4BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:07:30.995141Z","bundle_sha256":"a2fa05195763d90b845d6062be878fa9d3efc51c35eacba09da818e0cd56d258"}}