{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5F5IZDKI2MPKQMKDFU2Q3QH4MD","short_pith_number":"pith:5F5IZDKI","canonical_record":{"source":{"id":"2211.02638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-10-27T01:32:58Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"c07e5e7cd00fb50aa3ffb32f54150da90d78cf399d2d8fb7176034f5189a93fb","abstract_canon_sha256":"dfb7210263408137fe8dafa48987db336ea5a5d1309d3c0e69e51866a49422e4"},"schema_version":"1.0"},"canonical_sha256":"e97a8c8d48d31ea831432d350dc0fc60dbc8101202c0129b90d8c7ed2ff96a4f","source":{"kind":"arxiv","id":"2211.02638","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02638","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02638v1","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02638","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"5F5IZDKI2MPK","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_16","alias_value":"5F5IZDKI2MPKQMKD","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_8","alias_value":"5F5IZDKI","created_at":"2026-07-05T05:13:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5F5IZDKI2MPKQMKDFU2Q3QH4MD","target":"record","payload":{"canonical_record":{"source":{"id":"2211.02638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-10-27T01:32:58Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"c07e5e7cd00fb50aa3ffb32f54150da90d78cf399d2d8fb7176034f5189a93fb","abstract_canon_sha256":"dfb7210263408137fe8dafa48987db336ea5a5d1309d3c0e69e51866a49422e4"},"schema_version":"1.0"},"canonical_sha256":"e97a8c8d48d31ea831432d350dc0fc60dbc8101202c0129b90d8c7ed2ff96a4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:13:17.643293Z","signature_b64":"S8Ej+Op2PIR+WgqiFKlf7EPZ4f4ufy/aKu4X5mTO80Jx8BWn/zV8wpVWV6Dq9yxF8R27njXqEUxez3puhDecCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e97a8c8d48d31ea831432d350dc0fc60dbc8101202c0129b90d8c7ed2ff96a4f","last_reissued_at":"2026-07-05T05:13:17.642834Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:13:17.642834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.02638","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":"2026-07-05T05:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYM22buVlpglH4XLWKxobbyFp+XQOfJdL0oRVMCl5aepn0Df2AdZLlLrAywX64GkZhF1k6N4dC9yUQLhZm5OCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T19:07:29.513239Z"},"content_sha256":"42d67b1a1d4d197a77260931f9ba9bbcc30cc96880e12df5390ef6bfbbdd736d","schema_version":"1.0","event_id":"sha256:42d67b1a1d4d197a77260931f9ba9bbcc30cc96880e12df5390ef6bfbbdd736d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5F5IZDKI2MPKQMKDFU2Q3QH4MD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Knowledge Distillation Framework For Enhancing Ear-EEG Based Sleep Staging With Scalp-EEG Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"eess.SP","authors_text":"Anjula C. De Silva, Chamira U. S. Edussooriya, Jathurshan Pradeepkumar, Mithunjha Anandakumar, Simon L. Kappel","submitted_at":"2022-10-27T01:32:58Z","abstract_excerpt":"Sleep plays a crucial role in the well-being of human lives. Traditional sleep studies using Polysomnography are associated with discomfort and often lower sleep quality caused by the acquisition setup. Previous works have focused on developing less obtrusive methods to conduct high-quality sleep studies, and ear-EEG is among popular alternatives. However, the performance of sleep staging based on ear-EEG is still inferior to scalp-EEG based sleep staging. In order to address the performance gap between scalp-EEG and ear-EEG based sleep staging, we propose a cross-modal knowledge distillation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02638","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.02638/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":"2026-07-05T05:13:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3aT4qNaqj9c4t4gugkvACWK5VFbLG+RrHs+DVPW23fF1pu2ZBmWBHKkQ5I/scum6sDFU1UuFBv4jEwVnVg3MAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T19:07:29.513626Z"},"content_sha256":"bee86e4562b56dc1f0477ccfcdf68b5f2d23bda7359552ff5dde3e50b649c444","schema_version":"1.0","event_id":"sha256:bee86e4562b56dc1f0477ccfcdf68b5f2d23bda7359552ff5dde3e50b649c444"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/bundle.json","state_url":"https://pith.science/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/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":"2026-07-18T19:07:29Z","links":{"resolver":"https://pith.science/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD","bundle":"https://pith.science/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/bundle.json","state":"https://pith.science/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5F5IZDKI2MPKQMKDFU2Q3QH4MD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5F5IZDKI2MPKQMKDFU2Q3QH4MD","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":"dfb7210263408137fe8dafa48987db336ea5a5d1309d3c0e69e51866a49422e4","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-10-27T01:32:58Z","title_canon_sha256":"c07e5e7cd00fb50aa3ffb32f54150da90d78cf399d2d8fb7176034f5189a93fb"},"schema_version":"1.0","source":{"id":"2211.02638","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.02638","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"arxiv_version","alias_value":"2211.02638v1","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.02638","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_12","alias_value":"5F5IZDKI2MPK","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_16","alias_value":"5F5IZDKI2MPKQMKD","created_at":"2026-07-05T05:13:17Z"},{"alias_kind":"pith_short_8","alias_value":"5F5IZDKI","created_at":"2026-07-05T05:13:17Z"}],"graph_snapshots":[{"event_id":"sha256:bee86e4562b56dc1f0477ccfcdf68b5f2d23bda7359552ff5dde3e50b649c444","target":"graph","created_at":"2026-07-05T05:13:17Z","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/2211.02638/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sleep plays a crucial role in the well-being of human lives. Traditional sleep studies using Polysomnography are associated with discomfort and often lower sleep quality caused by the acquisition setup. Previous works have focused on developing less obtrusive methods to conduct high-quality sleep studies, and ear-EEG is among popular alternatives. However, the performance of sleep staging based on ear-EEG is still inferior to scalp-EEG based sleep staging. In order to address the performance gap between scalp-EEG and ear-EEG based sleep staging, we propose a cross-modal knowledge distillation ","authors_text":"Anjula C. De Silva, Chamira U. S. Edussooriya, Jathurshan Pradeepkumar, Mithunjha Anandakumar, Simon L. Kappel","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-10-27T01:32:58Z","title":"A Knowledge Distillation Framework For Enhancing Ear-EEG Based Sleep Staging With Scalp-EEG Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.02638","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":"sha256:42d67b1a1d4d197a77260931f9ba9bbcc30cc96880e12df5390ef6bfbbdd736d","target":"record","created_at":"2026-07-05T05:13:17Z","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":"dfb7210263408137fe8dafa48987db336ea5a5d1309d3c0e69e51866a49422e4","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2022-10-27T01:32:58Z","title_canon_sha256":"c07e5e7cd00fb50aa3ffb32f54150da90d78cf399d2d8fb7176034f5189a93fb"},"schema_version":"1.0","source":{"id":"2211.02638","kind":"arxiv","version":1}},"canonical_sha256":"e97a8c8d48d31ea831432d350dc0fc60dbc8101202c0129b90d8c7ed2ff96a4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e97a8c8d48d31ea831432d350dc0fc60dbc8101202c0129b90d8c7ed2ff96a4f","first_computed_at":"2026-07-05T05:13:17.642834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:13:17.642834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S8Ej+Op2PIR+WgqiFKlf7EPZ4f4ufy/aKu4X5mTO80Jx8BWn/zV8wpVWV6Dq9yxF8R27njXqEUxez3puhDecCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:13:17.643293Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.02638","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42d67b1a1d4d197a77260931f9ba9bbcc30cc96880e12df5390ef6bfbbdd736d","sha256:bee86e4562b56dc1f0477ccfcdf68b5f2d23bda7359552ff5dde3e50b649c444"],"state_sha256":"5a5ca3f04a51f99639cccff36c2f322b35cd4b288e27e378ddc27175ec2a2879"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/tr8csus3F37p+7b//EWksI9pgtLjAQHOYSqrCtXYGXFWF0gYG786KcuDIhw4M5bG3L9qv1o+5GAfzO5aPyHDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T19:07:29.515779Z","bundle_sha256":"dab959965046382a25e9985ba1ca01cbe7a3465b5eb16ce412e697f7cde9874f"}}