{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RQWXLZ4BL4KWK47R7A5XVIUH53","short_pith_number":"pith:RQWXLZ4B","canonical_record":{"source":{"id":"1612.08642","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-12-27T14:17:20Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"5f6db498ba3145c06053cbfc138b97efdc28907732e68bfb23c14646cf5d0308","abstract_canon_sha256":"c7a05a84164cf9371b4e08e2238562d6fd6f156e6cb94447faf28a2b6ce225c1"},"schema_version":"1.0"},"canonical_sha256":"8c2d75e7815f156573f1f83b7aa287eed03c8d642c6a0ad562c535ef02107930","source":{"kind":"arxiv","id":"1612.08642","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08642","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08642v1","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08642","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"pith_short_12","alias_value":"RQWXLZ4BL4KW","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RQWXLZ4BL4KWK47R","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RQWXLZ4B","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RQWXLZ4BL4KWK47R7A5XVIUH53","target":"record","payload":{"canonical_record":{"source":{"id":"1612.08642","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-12-27T14:17:20Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"5f6db498ba3145c06053cbfc138b97efdc28907732e68bfb23c14646cf5d0308","abstract_canon_sha256":"c7a05a84164cf9371b4e08e2238562d6fd6f156e6cb94447faf28a2b6ce225c1"},"schema_version":"1.0"},"canonical_sha256":"8c2d75e7815f156573f1f83b7aa287eed03c8d642c6a0ad562c535ef02107930","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:52.476223Z","signature_b64":"+tk5gKz2eQxxumNEPZ3JyZacDmtR2DZkONQMu3CmdqjNBHiYDEhBDL0b7IjKI00WkWxIHMMRYPYNLLGQ7QgqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c2d75e7815f156573f1f83b7aa287eed03c8d642c6a0ad562c535ef02107930","last_reissued_at":"2026-05-18T00:53:52.475681Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:52.475681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.08642","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":"2026-05-18T00:53:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qWoGFxksDzPWFqMAx7MSeAaR5hwao/4vSyWGQEHNB/3/TtZaK9yYpY76fn3+2YEACEr1bl/QWAze5GAvIBBtAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T11:38:02.554924Z"},"content_sha256":"d227954e755677bb9d60dcf2d1fc32280d3b12897d6c927c06aee45fbbc07dd1","schema_version":"1.0","event_id":"sha256:d227954e755677bb9d60dcf2d1fc32280d3b12897d6c927c06aee45fbbc07dd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RQWXLZ4BL4KWK47R7A5XVIUH53","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bayesian Nonparametric Models for Synchronous Brain-Computer Interfaces","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["q-bio.NC"],"primary_cat":"cs.CV","authors_text":"Jaime Fernando Delgado Saa, Mujdat Cetin","submitted_at":"2016-12-27T14:17:20Z","abstract_excerpt":"A brain-computer interface (BCI) is a system that aims for establishing a non-muscular communication path for subjects who had suffer from a neurodegenerative disease. Many BCI systems make use of the phenomena of event-related synchronization and de-synchronization of brain waves as a main feature for classification of different cognitive tasks. However, the temporal dynamics of the electroencephalographic (EEG) signals contain additional information that can be incorporated into the inference engine in order to improve the performance of the BCIs. This information about the dynamics of the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08642","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":"2026-05-18T00:53:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qoujPb8S1V2b42wJV3kkM2JRkiwkkVYuJxt0Cgd7SBPX2nbcV6O1lNEZGaMLO3HObQiwF3Fpy3C26741tT53Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T11:38:02.555266Z"},"content_sha256":"d555db6c1391ffbfdd6bc5584894f7de5dea38c9a1d18e3e50afea0ce6c029e2","schema_version":"1.0","event_id":"sha256:d555db6c1391ffbfdd6bc5584894f7de5dea38c9a1d18e3e50afea0ce6c029e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/bundle.json","state_url":"https://pith.science/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/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":"2026-06-21T11:38:02Z","links":{"resolver":"https://pith.science/pith/RQWXLZ4BL4KWK47R7A5XVIUH53","bundle":"https://pith.science/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/bundle.json","state":"https://pith.science/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQWXLZ4BL4KWK47R7A5XVIUH53/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RQWXLZ4BL4KWK47R7A5XVIUH53","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":"c7a05a84164cf9371b4e08e2238562d6fd6f156e6cb94447faf28a2b6ce225c1","cross_cats_sorted":["q-bio.NC"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-12-27T14:17:20Z","title_canon_sha256":"5f6db498ba3145c06053cbfc138b97efdc28907732e68bfb23c14646cf5d0308"},"schema_version":"1.0","source":{"id":"1612.08642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08642","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08642v1","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08642","created_at":"2026-05-18T00:53:52Z"},{"alias_kind":"pith_short_12","alias_value":"RQWXLZ4BL4KW","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RQWXLZ4BL4KWK47R","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RQWXLZ4B","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:d555db6c1391ffbfdd6bc5584894f7de5dea38c9a1d18e3e50afea0ce6c029e2","target":"graph","created_at":"2026-05-18T00:53:52Z","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":"A brain-computer interface (BCI) is a system that aims for establishing a non-muscular communication path for subjects who had suffer from a neurodegenerative disease. Many BCI systems make use of the phenomena of event-related synchronization and de-synchronization of brain waves as a main feature for classification of different cognitive tasks. However, the temporal dynamics of the electroencephalographic (EEG) signals contain additional information that can be incorporated into the inference engine in order to improve the performance of the BCIs. This information about the dynamics of the s","authors_text":"Jaime Fernando Delgado Saa, Mujdat Cetin","cross_cats":["q-bio.NC"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-12-27T14:17:20Z","title":"Bayesian Nonparametric Models for Synchronous Brain-Computer Interfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08642","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:d227954e755677bb9d60dcf2d1fc32280d3b12897d6c927c06aee45fbbc07dd1","target":"record","created_at":"2026-05-18T00:53:52Z","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":"c7a05a84164cf9371b4e08e2238562d6fd6f156e6cb94447faf28a2b6ce225c1","cross_cats_sorted":["q-bio.NC"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-12-27T14:17:20Z","title_canon_sha256":"5f6db498ba3145c06053cbfc138b97efdc28907732e68bfb23c14646cf5d0308"},"schema_version":"1.0","source":{"id":"1612.08642","kind":"arxiv","version":1}},"canonical_sha256":"8c2d75e7815f156573f1f83b7aa287eed03c8d642c6a0ad562c535ef02107930","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c2d75e7815f156573f1f83b7aa287eed03c8d642c6a0ad562c535ef02107930","first_computed_at":"2026-05-18T00:53:52.475681Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:52.475681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+tk5gKz2eQxxumNEPZ3JyZacDmtR2DZkONQMu3CmdqjNBHiYDEhBDL0b7IjKI00WkWxIHMMRYPYNLLGQ7QgqCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:52.476223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.08642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d227954e755677bb9d60dcf2d1fc32280d3b12897d6c927c06aee45fbbc07dd1","sha256:d555db6c1391ffbfdd6bc5584894f7de5dea38c9a1d18e3e50afea0ce6c029e2"],"state_sha256":"bfeb430023203ad0ee758ca4e54b477b3b98ae0280bcbff3255c8b09f0bb0c58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N/hvwJtf7N9wrfJRnnj5hELXxBctwUVv5A8vbuocQwIVOF7hYuJSD0V9f/RF3rj2QugsLv7g7pQt9gRwxRPXDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T11:38:02.557176Z","bundle_sha256":"0dd31fe0088225cb8b4808093652e9a5b0070f8da9098214311450135846ba83"}}