{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:SYCDUQIHDGROMEMU2VQYAY7RY7","short_pith_number":"pith:SYCDUQIH","canonical_record":{"source":{"id":"1911.04970","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2019-11-12T16:02:52Z","cross_cats_sorted":["eess.SP","stat.ML"],"title_canon_sha256":"a5c98371aa2ea9ef69ab30a0dad37d374a03f72b37dbe1a769ead7979bc6daa9","abstract_canon_sha256":"284c94bd83d409fdd1a847d9c252a00ba8965713061686ef388874e6bf568a29"},"schema_version":"1.0"},"canonical_sha256":"96043a410719a2e61194d5618063f1c7ca4bcef0485a4c598ab20cc34f15b227","source":{"kind":"arxiv","id":"1911.04970","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.04970","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"arxiv_version","alias_value":"1911.04970v2","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.04970","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_12","alias_value":"SYCDUQIHDGRO","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_16","alias_value":"SYCDUQIHDGROMEMU","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_8","alias_value":"SYCDUQIH","created_at":"2026-07-05T01:31:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:SYCDUQIHDGROMEMU2VQYAY7RY7","target":"record","payload":{"canonical_record":{"source":{"id":"1911.04970","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2019-11-12T16:02:52Z","cross_cats_sorted":["eess.SP","stat.ML"],"title_canon_sha256":"a5c98371aa2ea9ef69ab30a0dad37d374a03f72b37dbe1a769ead7979bc6daa9","abstract_canon_sha256":"284c94bd83d409fdd1a847d9c252a00ba8965713061686ef388874e6bf568a29"},"schema_version":"1.0"},"canonical_sha256":"96043a410719a2e61194d5618063f1c7ca4bcef0485a4c598ab20cc34f15b227","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:31:22.811360Z","signature_b64":"VWWycuEaJkrljIebFOLQZaP6s+kRyFzK0Z11hSVE27s7jJSa495RWqSqbMo2v+KyFHGwd3azifNaBFBIxTBtCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96043a410719a2e61194d5618063f1c7ca4bcef0485a4c598ab20cc34f15b227","last_reissued_at":"2026-07-05T01:31:22.810882Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:31:22.810882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.04970","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":"2026-07-05T01:31:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i1W46r693ZlhO9tpjr1xdQHRGmGd7HbAGGBBM030AFMh9d7jnu/u3BiAymeodwuLwmrNjB+zPWmuZOgniD0qAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:14:37.041565Z"},"content_sha256":"1f99592a0d039848d6ea31095b298c3397b56bdb5a6a62d05dfb1deaf5a12c94","schema_version":"1.0","event_id":"sha256:1f99592a0d039848d6ea31095b298c3397b56bdb5a6a62d05dfb1deaf5a12c94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:SYCDUQIHDGROMEMU2VQYAY7RY7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust and Fast Automatic Modulation Classification with CNN under Multipath Fading Channels","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["eess.SP","stat.ML"],"primary_cat":"cs.LG","authors_text":"Ali G\\\"or\\c{c}in, Ali R{\\i}za Ekti, Cihat Ke\\c{c}eci, G\\\"une\\c{s} Karabulut Kurt, K\\\"ur\\c{s}at Tekb{\\i}y{\\i}k","submitted_at":"2019-11-12T16:02:52Z","abstract_excerpt":"Automatic modulation classification (AMC) has been studied for more than a quarter of a century; however, it has been difficult to design a classifier that operates successfully under changing multipath fading conditions and other impairments. Recently, deep learning (DL)-based methods are adopted by AMC systems and major improvements are reported. In this paper, a novel convolutional neural network (CNN) classifier model is proposed to classify modulation classes in terms of their families, i.e., types. The proposed classifier is robust against realistic wireless channel impairments and in re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.04970","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.04970/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:31:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDph8/lg1r/F/BFPoBMQWAM2nNZVD9UO8AYFTKoQkHm3rKfnyYYan97BVTjoHZh44K+nowI+IM9EMPYY/QsUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:14:37.042140Z"},"content_sha256":"b6ece132fbaeae864eb8f4d39df0fc4a426a31d80514b43b4988ef2cb11e05e7","schema_version":"1.0","event_id":"sha256:b6ece132fbaeae864eb8f4d39df0fc4a426a31d80514b43b4988ef2cb11e05e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/bundle.json","state_url":"https://pith.science/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/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":"2026-08-22T23:14:37Z","links":{"resolver":"https://pith.science/pith/SYCDUQIHDGROMEMU2VQYAY7RY7","bundle":"https://pith.science/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/bundle.json","state":"https://pith.science/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SYCDUQIHDGROMEMU2VQYAY7RY7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SYCDUQIHDGROMEMU2VQYAY7RY7","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":"284c94bd83d409fdd1a847d9c252a00ba8965713061686ef388874e6bf568a29","cross_cats_sorted":["eess.SP","stat.ML"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2019-11-12T16:02:52Z","title_canon_sha256":"a5c98371aa2ea9ef69ab30a0dad37d374a03f72b37dbe1a769ead7979bc6daa9"},"schema_version":"1.0","source":{"id":"1911.04970","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.04970","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"arxiv_version","alias_value":"1911.04970v2","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.04970","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_12","alias_value":"SYCDUQIHDGRO","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_16","alias_value":"SYCDUQIHDGROMEMU","created_at":"2026-07-05T01:31:22Z"},{"alias_kind":"pith_short_8","alias_value":"SYCDUQIH","created_at":"2026-07-05T01:31:22Z"}],"graph_snapshots":[{"event_id":"sha256:b6ece132fbaeae864eb8f4d39df0fc4a426a31d80514b43b4988ef2cb11e05e7","target":"graph","created_at":"2026-07-05T01:31:22Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1911.04970/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Automatic modulation classification (AMC) has been studied for more than a quarter of a century; however, it has been difficult to design a classifier that operates successfully under changing multipath fading conditions and other impairments. Recently, deep learning (DL)-based methods are adopted by AMC systems and major improvements are reported. In this paper, a novel convolutional neural network (CNN) classifier model is proposed to classify modulation classes in terms of their families, i.e., types. The proposed classifier is robust against realistic wireless channel impairments and in re","authors_text":"Ali G\\\"or\\c{c}in, Ali R{\\i}za Ekti, Cihat Ke\\c{c}eci, G\\\"une\\c{s} Karabulut Kurt, K\\\"ur\\c{s}at Tekb{\\i}y{\\i}k","cross_cats":["eess.SP","stat.ML"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2019-11-12T16:02:52Z","title":"Robust and Fast Automatic Modulation Classification with CNN under Multipath Fading Channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.04970","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":"sha256:1f99592a0d039848d6ea31095b298c3397b56bdb5a6a62d05dfb1deaf5a12c94","target":"record","created_at":"2026-07-05T01:31:22Z","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":"284c94bd83d409fdd1a847d9c252a00ba8965713061686ef388874e6bf568a29","cross_cats_sorted":["eess.SP","stat.ML"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2019-11-12T16:02:52Z","title_canon_sha256":"a5c98371aa2ea9ef69ab30a0dad37d374a03f72b37dbe1a769ead7979bc6daa9"},"schema_version":"1.0","source":{"id":"1911.04970","kind":"arxiv","version":2}},"canonical_sha256":"96043a410719a2e61194d5618063f1c7ca4bcef0485a4c598ab20cc34f15b227","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96043a410719a2e61194d5618063f1c7ca4bcef0485a4c598ab20cc34f15b227","first_computed_at":"2026-07-05T01:31:22.810882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:22.810882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VWWycuEaJkrljIebFOLQZaP6s+kRyFzK0Z11hSVE27s7jJSa495RWqSqbMo2v+KyFHGwd3azifNaBFBIxTBtCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:22.811360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.04970","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f99592a0d039848d6ea31095b298c3397b56bdb5a6a62d05dfb1deaf5a12c94","sha256:b6ece132fbaeae864eb8f4d39df0fc4a426a31d80514b43b4988ef2cb11e05e7"],"state_sha256":"ea9a934720f1757ad2d3011d2e2303964eefa75ca82c3aa526773e4936935a9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qF1iZJATC/aKFD0PGlLmfdD3qK10KW22wr2Eeqe3gi2N6ruRTjY/K5O2D05Is9aD1nmtHYe4jFvfvaIC/P1OAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T23:14:37.047124Z","bundle_sha256":"e09567e6680e3e3dc6d091de716170651222fc70c3d35b9829f36fe3fd72602a"}}