{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2F2KWZYQ4WFBCGT6VBXFALHJPN","short_pith_number":"pith:2F2KWZYQ","canonical_record":{"source":{"id":"1806.03047","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-06-08T09:40:32Z","cross_cats_sorted":["cs.SD","eess.AS","stat.AP"],"title_canon_sha256":"18ee96118aa47167e403e2847313b9bd222971ce99e3368cc70b0f6729d0778c","abstract_canon_sha256":"428c18f707908c33af7187b1b7403fcc0a41d675bb9070f15dff3dda3fbc28aa"},"schema_version":"1.0"},"canonical_sha256":"d174ab6710e58a111a7ea86e502ce97b561b3f53e5ad24e12dd4e0345fb4325e","source":{"kind":"arxiv","id":"1806.03047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.03047","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"arxiv_version","alias_value":"1806.03047v1","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03047","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"pith_short_12","alias_value":"2F2KWZYQ4WFB","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2F2KWZYQ4WFBCGT6","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2F2KWZYQ","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2F2KWZYQ4WFBCGT6VBXFALHJPN","target":"record","payload":{"canonical_record":{"source":{"id":"1806.03047","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-06-08T09:40:32Z","cross_cats_sorted":["cs.SD","eess.AS","stat.AP"],"title_canon_sha256":"18ee96118aa47167e403e2847313b9bd222971ce99e3368cc70b0f6729d0778c","abstract_canon_sha256":"428c18f707908c33af7187b1b7403fcc0a41d675bb9070f15dff3dda3fbc28aa"},"schema_version":"1.0"},"canonical_sha256":"d174ab6710e58a111a7ea86e502ce97b561b3f53e5ad24e12dd4e0345fb4325e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:49.844076Z","signature_b64":"6YJdYwGW7nTw12gSt2cXWwVbyf7YVphrqPWFxAPKSuBVAh+4LyfSy8kZe1BN/NLhiU4ri5S6DXehVEw+FI9aDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d174ab6710e58a111a7ea86e502ce97b561b3f53e5ad24e12dd4e0345fb4325e","last_reissued_at":"2026-05-18T00:13:49.842550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:49.842550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.03047","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":"2026-05-18T00:13:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/8RnnFDpFcUQjOqdVsnZ/qWnw6kyF9UihflND5WsGmjPyB5p8z7srOwnNAQsb47/EiJluFlS4gvE7ERjR+evDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:45:04.594974Z"},"content_sha256":"d1fcfdac45b23c32eb4b63d7c97fc2bae70492fb47beb0ee033cfedfc58a3b41","schema_version":"1.0","event_id":"sha256:d1fcfdac45b23c32eb4b63d7c97fc2bae70492fb47beb0ee033cfedfc58a3b41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2F2KWZYQ4WFBCGT6VBXFALHJPN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On sound-based interpretation of neonatal EEG","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD","eess.AS","stat.AP"],"primary_cat":"q-bio.NC","authors_text":"Andriy Temko, Emanuel Popovici, Geraldine Boylan, Mark O'Sullivan, Sean Mathieson, Sergi Gomez","submitted_at":"2018-06-08T09:40:32Z","abstract_excerpt":"Significant training is required to visually interpret neonatal EEG signals. This study explores alternative sound-based methods for EEG interpretation which are designed to allow for intuitive and quick differentiation between healthy background activity and abnormal activity such as seizures. A novel method based on frequency and amplitude modulation (FM/AM) is presented. The algorithm is tuned to facilitate the audio domain perception of rhythmic activity which is specific to neonatal seizures. The method is compared with the previously developed phase vocoder algorithm for different time c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03047","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":"2026-05-18T00:13:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tO8nyjYU2bpGC3ljBdokKo7T3unSLMHrbIx/pzR+F3a1lrvX5sUf3fE5WWPLb1hGqeqNoLaIb18JwbA5gKQ7Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:45:04.595336Z"},"content_sha256":"89bf6e9445113ca4380dde9e6b725067bb6176097877f02b52a081a242863fb6","schema_version":"1.0","event_id":"sha256:89bf6e9445113ca4380dde9e6b725067bb6176097877f02b52a081a242863fb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/bundle.json","state_url":"https://pith.science/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/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":"2026-06-03T14:45:04Z","links":{"resolver":"https://pith.science/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN","bundle":"https://pith.science/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/bundle.json","state":"https://pith.science/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2F2KWZYQ4WFBCGT6VBXFALHJPN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2F2KWZYQ4WFBCGT6VBXFALHJPN","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":"428c18f707908c33af7187b1b7403fcc0a41d675bb9070f15dff3dda3fbc28aa","cross_cats_sorted":["cs.SD","eess.AS","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-06-08T09:40:32Z","title_canon_sha256":"18ee96118aa47167e403e2847313b9bd222971ce99e3368cc70b0f6729d0778c"},"schema_version":"1.0","source":{"id":"1806.03047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.03047","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"arxiv_version","alias_value":"1806.03047v1","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03047","created_at":"2026-05-18T00:13:49Z"},{"alias_kind":"pith_short_12","alias_value":"2F2KWZYQ4WFB","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2F2KWZYQ4WFBCGT6","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2F2KWZYQ","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:89bf6e9445113ca4380dde9e6b725067bb6176097877f02b52a081a242863fb6","target":"graph","created_at":"2026-05-18T00:13:49Z","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":"Significant training is required to visually interpret neonatal EEG signals. This study explores alternative sound-based methods for EEG interpretation which are designed to allow for intuitive and quick differentiation between healthy background activity and abnormal activity such as seizures. A novel method based on frequency and amplitude modulation (FM/AM) is presented. The algorithm is tuned to facilitate the audio domain perception of rhythmic activity which is specific to neonatal seizures. The method is compared with the previously developed phase vocoder algorithm for different time c","authors_text":"Andriy Temko, Emanuel Popovici, Geraldine Boylan, Mark O'Sullivan, Sean Mathieson, Sergi Gomez","cross_cats":["cs.SD","eess.AS","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-06-08T09:40:32Z","title":"On sound-based interpretation of neonatal EEG"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03047","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:d1fcfdac45b23c32eb4b63d7c97fc2bae70492fb47beb0ee033cfedfc58a3b41","target":"record","created_at":"2026-05-18T00:13:49Z","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":"428c18f707908c33af7187b1b7403fcc0a41d675bb9070f15dff3dda3fbc28aa","cross_cats_sorted":["cs.SD","eess.AS","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-06-08T09:40:32Z","title_canon_sha256":"18ee96118aa47167e403e2847313b9bd222971ce99e3368cc70b0f6729d0778c"},"schema_version":"1.0","source":{"id":"1806.03047","kind":"arxiv","version":1}},"canonical_sha256":"d174ab6710e58a111a7ea86e502ce97b561b3f53e5ad24e12dd4e0345fb4325e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d174ab6710e58a111a7ea86e502ce97b561b3f53e5ad24e12dd4e0345fb4325e","first_computed_at":"2026-05-18T00:13:49.842550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:49.842550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6YJdYwGW7nTw12gSt2cXWwVbyf7YVphrqPWFxAPKSuBVAh+4LyfSy8kZe1BN/NLhiU4ri5S6DXehVEw+FI9aDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:49.844076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.03047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1fcfdac45b23c32eb4b63d7c97fc2bae70492fb47beb0ee033cfedfc58a3b41","sha256:89bf6e9445113ca4380dde9e6b725067bb6176097877f02b52a081a242863fb6"],"state_sha256":"0f8d5e1292c08effc94bc223c0342812d2abeec62afc73f4cbee34f6eeaa5244"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d62fTf9hDN1Zuwi+yT1sSdxRQbN2D9uwZoAy6QAchzOkZXRMloeckUMxKyyJeGlZ5dDptR9EMgufHoYCC2QgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:45:04.597331Z","bundle_sha256":"2962636d5047e57abaae13be13842dbc36b762e86a2a462c1c8da301431f8be3"}}