{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KHFCUQEXVKYYRKK5J4FJFH7PCE","short_pith_number":"pith:KHFCUQEX","canonical_record":{"source":{"id":"2606.19039","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NE","submitted_at":"2026-06-17T13:07:20Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"e4497a4276d5f7e08aefe62e72e918fc7b74ce3c23ba9b8b9913e0618538dc0a","abstract_canon_sha256":"8c7ecd15312a7f67a90dd0c0ad3510f7045885e81bcbfe3b5b5345ee3fc8742d"},"schema_version":"1.0"},"canonical_sha256":"51ca2a4097aab188a95d4f0a929fef11168c3bf6157a552292eb76a4ebddb840","source":{"kind":"arxiv","id":"2606.19039","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19039","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19039v1","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19039","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_12","alias_value":"KHFCUQEXVKYY","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_16","alias_value":"KHFCUQEXVKYYRKK5","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_8","alias_value":"KHFCUQEX","created_at":"2026-06-19T16:11:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KHFCUQEXVKYYRKK5J4FJFH7PCE","target":"record","payload":{"canonical_record":{"source":{"id":"2606.19039","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NE","submitted_at":"2026-06-17T13:07:20Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"e4497a4276d5f7e08aefe62e72e918fc7b74ce3c23ba9b8b9913e0618538dc0a","abstract_canon_sha256":"8c7ecd15312a7f67a90dd0c0ad3510f7045885e81bcbfe3b5b5345ee3fc8742d"},"schema_version":"1.0"},"canonical_sha256":"51ca2a4097aab188a95d4f0a929fef11168c3bf6157a552292eb76a4ebddb840","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:55.117188Z","signature_b64":"ozSjzhfvDoqe2uBD3jsevkO94CNEMKJPUxEvYqO85w8Y4vAogZ307vhscHeF2+LxBWotwayFcIux+ks7rcLmCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51ca2a4097aab188a95d4f0a929fef11168c3bf6157a552292eb76a4ebddb840","last_reissued_at":"2026-06-19T16:11:55.116803Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:55.116803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.19039","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":"2026-06-19T16:11:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"38uf8l55SPQwwrmBecez5gBgIqW0yf3CHVGp6dBr9IdZQiJeJ+ECQYy2BxKlhreDAbbDRy6nJ5g/Nx/o8f7oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:14:32.269244Z"},"content_sha256":"e8301f1d0b5392ba6a93a55090361923d60bd66b521643ef9ba94ff5dfa7cb1e","schema_version":"1.0","event_id":"sha256:e8301f1d0b5392ba6a93a55090361923d60bd66b521643ef9ba94ff5dfa7cb1e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KHFCUQEXVKYYRKK5J4FJFH7PCE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adaptive Speech-to-Spike Encoding for Spiking Neural Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.SD"],"primary_cat":"cs.NE","authors_text":"Jakaria Islam Emon, Taharim Rahman Anon","submitted_at":"2026-06-17T13:07:20Z","abstract_excerpt":"The mismatch between continuous acoustic signals and discrete event-driven processing remains a fundamental bottleneck for neuromorphic speech processing. Current systems typically rely on fixed spike encoders, forcing downstream Spiking Neural Networks (SNNs) to compensate for non-adaptive input representations. To address this, we present a learnable residual speech-to-spike encoder jointly trained end-to-end with a Recurrent Leaky Integrate-and-Fire (R-LIF) backbone. We validate this approach on the Google Speech Commands v2 (GSC-v2) benchmark, achieving up to 94.97% accuracy. Notably, the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19039","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/2606.19039/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":"2026-06-19T16:11:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YtvlBg3ktQIwdwhAncaSv27If4da12rzNd81IJ9VbpPlJJdRSZZzTosurDogkSYDI366bhAsWckDWy1znXnRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:14:32.269637Z"},"content_sha256":"dc6b2b58bcc6631390810204e3aa840d1453e824388079a03bf3259de4122a96","schema_version":"1.0","event_id":"sha256:dc6b2b58bcc6631390810204e3aa840d1453e824388079a03bf3259de4122a96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/bundle.json","state_url":"https://pith.science/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/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":"2026-07-04T23:14:32Z","links":{"resolver":"https://pith.science/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE","bundle":"https://pith.science/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/bundle.json","state":"https://pith.science/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHFCUQEXVKYYRKK5J4FJFH7PCE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KHFCUQEXVKYYRKK5J4FJFH7PCE","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":"8c7ecd15312a7f67a90dd0c0ad3510f7045885e81bcbfe3b5b5345ee3fc8742d","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NE","submitted_at":"2026-06-17T13:07:20Z","title_canon_sha256":"e4497a4276d5f7e08aefe62e72e918fc7b74ce3c23ba9b8b9913e0618538dc0a"},"schema_version":"1.0","source":{"id":"2606.19039","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19039","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19039v1","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19039","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_12","alias_value":"KHFCUQEXVKYY","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_16","alias_value":"KHFCUQEXVKYYRKK5","created_at":"2026-06-19T16:11:55Z"},{"alias_kind":"pith_short_8","alias_value":"KHFCUQEX","created_at":"2026-06-19T16:11:55Z"}],"graph_snapshots":[{"event_id":"sha256:dc6b2b58bcc6631390810204e3aa840d1453e824388079a03bf3259de4122a96","target":"graph","created_at":"2026-06-19T16:11:55Z","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/2606.19039/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The mismatch between continuous acoustic signals and discrete event-driven processing remains a fundamental bottleneck for neuromorphic speech processing. Current systems typically rely on fixed spike encoders, forcing downstream Spiking Neural Networks (SNNs) to compensate for non-adaptive input representations. To address this, we present a learnable residual speech-to-spike encoder jointly trained end-to-end with a Recurrent Leaky Integrate-and-Fire (R-LIF) backbone. We validate this approach on the Google Speech Commands v2 (GSC-v2) benchmark, achieving up to 94.97% accuracy. Notably, the ","authors_text":"Jakaria Islam Emon, Taharim Rahman Anon","cross_cats":["cs.LG","cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NE","submitted_at":"2026-06-17T13:07:20Z","title":"Adaptive Speech-to-Spike Encoding for Spiking Neural Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19039","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:e8301f1d0b5392ba6a93a55090361923d60bd66b521643ef9ba94ff5dfa7cb1e","target":"record","created_at":"2026-06-19T16:11:55Z","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":"8c7ecd15312a7f67a90dd0c0ad3510f7045885e81bcbfe3b5b5345ee3fc8742d","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NE","submitted_at":"2026-06-17T13:07:20Z","title_canon_sha256":"e4497a4276d5f7e08aefe62e72e918fc7b74ce3c23ba9b8b9913e0618538dc0a"},"schema_version":"1.0","source":{"id":"2606.19039","kind":"arxiv","version":1}},"canonical_sha256":"51ca2a4097aab188a95d4f0a929fef11168c3bf6157a552292eb76a4ebddb840","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51ca2a4097aab188a95d4f0a929fef11168c3bf6157a552292eb76a4ebddb840","first_computed_at":"2026-06-19T16:11:55.116803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:55.116803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ozSjzhfvDoqe2uBD3jsevkO94CNEMKJPUxEvYqO85w8Y4vAogZ307vhscHeF2+LxBWotwayFcIux+ks7rcLmCw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:55.117188Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19039","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8301f1d0b5392ba6a93a55090361923d60bd66b521643ef9ba94ff5dfa7cb1e","sha256:dc6b2b58bcc6631390810204e3aa840d1453e824388079a03bf3259de4122a96"],"state_sha256":"8f7a199a9be8b5409d3a08e05cba623d8a6961edd5421a8ee5726c605de51ce0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8a7qcKufi2bSkO3foulfP3Td1PkN1wpUbGCq2sRKQk7VrRpF0kR5Rvj8TcdafV2klaJGVjyUoMcxSMoQ3ZJoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T23:14:32.271718Z","bundle_sha256":"d7fbbb8e16b83b2cf68383c9e4c17121658e19a68611e437159b040c498dc281"}}