{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:W7X4RUVCZ2KG2SWU3VCPMY6KHL","short_pith_number":"pith:W7X4RUVC","canonical_record":{"source":{"id":"2502.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-02-05T15:16:52Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"9ac0a85d1d4390a8a8d9a5c35d3b7ea6477caa8c82179b631919130a34c84dde","abstract_canon_sha256":"8629cccd04681c100215e24ffd9e1b42f93fafb5bcae3ac6fd4760b52287a742"},"schema_version":"1.0"},"canonical_sha256":"b7efc8d2a2ce946d4ad4dd44f663ca3af1a63ef720acef1b78e8eccc91dad1aa","source":{"kind":"arxiv","id":"2502.03260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03260","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03260v1","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03260","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"W7X4RUVCZ2KG","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_16","alias_value":"W7X4RUVCZ2KG2SWU","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_8","alias_value":"W7X4RUVC","created_at":"2026-07-05T10:10:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:W7X4RUVCZ2KG2SWU3VCPMY6KHL","target":"record","payload":{"canonical_record":{"source":{"id":"2502.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-02-05T15:16:52Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"9ac0a85d1d4390a8a8d9a5c35d3b7ea6477caa8c82179b631919130a34c84dde","abstract_canon_sha256":"8629cccd04681c100215e24ffd9e1b42f93fafb5bcae3ac6fd4760b52287a742"},"schema_version":"1.0"},"canonical_sha256":"b7efc8d2a2ce946d4ad4dd44f663ca3af1a63ef720acef1b78e8eccc91dad1aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:10:02.324145Z","signature_b64":"9hrSbDzIXbFRZQMbdN1qHoqWLQg5DcILrFyBF4Zi0/7I9J0rVn9nr83tGke7yNWjdvn9WT2tSgzLGI9lgK51Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7efc8d2a2ce946d4ad4dd44f663ca3af1a63ef720acef1b78e8eccc91dad1aa","last_reissued_at":"2026-07-05T10:10:02.323684Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:10:02.323684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.03260","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":"2026-07-05T10:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SxDK1RXL2T4x9IJJ5A7yjna/JsjKvWwnYctSuzOdXRLtsw6y4pCWDLf0RZ4aYw46GMtr5Y0PgbZdWWrngC8yDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T16:17:59.177048Z"},"content_sha256":"9eee3b9043dbf2e031867c3104501b09351bcffbcf761637eb9be66426f21d2d","schema_version":"1.0","event_id":"sha256:9eee3b9043dbf2e031867c3104501b09351bcffbcf761637eb9be66426f21d2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:W7X4RUVCZ2KG2SWU3VCPMY6KHL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Should Audio Front-ends be Adaptive? Comparing Learnable and Adaptive Front-ends","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Buddhi Wickramasinghe, Eliathamby Ambikairajah, Haizhou Li, Qiquan Zhang, Vidhyasaharan Sethu","submitted_at":"2025-02-05T15:16:52Z","abstract_excerpt":"Hand-crafted features, such as Mel-filterbanks, have traditionally been the choice for many audio processing applications. Recently, there has been a growing interest in learnable front-ends that extract representations directly from the raw audio waveform. \\textcolor{black}{However, both hand-crafted filterbanks and current learnable front-ends lead to fixed computation graphs at inference time, failing to dynamically adapt to varying acoustic environments, a key feature of human auditory systems.} To this end, we explore the question of whether audio front-ends should be adaptive by comparin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03260","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/2502.03260/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":"2026-07-05T10:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"44NoLhJQJiCpMururRhDn33RctCki+5IzsbrQ5V+RsPdqrTiE9jGBWqVO1EXAiiITW6QbUi3+l8L4DdGRb0CBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T16:17:59.177439Z"},"content_sha256":"5e91fe6d7bfc170d4959069b544fc51e94b83576935d646a0969cb78cc0b1bbb","schema_version":"1.0","event_id":"sha256:5e91fe6d7bfc170d4959069b544fc51e94b83576935d646a0969cb78cc0b1bbb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/bundle.json","state_url":"https://pith.science/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/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":"2026-08-23T16:17:59Z","links":{"resolver":"https://pith.science/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL","bundle":"https://pith.science/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/bundle.json","state":"https://pith.science/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W7X4RUVCZ2KG2SWU3VCPMY6KHL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:W7X4RUVCZ2KG2SWU3VCPMY6KHL","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":"8629cccd04681c100215e24ffd9e1b42f93fafb5bcae3ac6fd4760b52287a742","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-02-05T15:16:52Z","title_canon_sha256":"9ac0a85d1d4390a8a8d9a5c35d3b7ea6477caa8c82179b631919130a34c84dde"},"schema_version":"1.0","source":{"id":"2502.03260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03260","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03260v1","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03260","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"W7X4RUVCZ2KG","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_16","alias_value":"W7X4RUVCZ2KG2SWU","created_at":"2026-07-05T10:10:02Z"},{"alias_kind":"pith_short_8","alias_value":"W7X4RUVC","created_at":"2026-07-05T10:10:02Z"}],"graph_snapshots":[{"event_id":"sha256:5e91fe6d7bfc170d4959069b544fc51e94b83576935d646a0969cb78cc0b1bbb","target":"graph","created_at":"2026-07-05T10:10:02Z","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/2502.03260/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hand-crafted features, such as Mel-filterbanks, have traditionally been the choice for many audio processing applications. Recently, there has been a growing interest in learnable front-ends that extract representations directly from the raw audio waveform. \\textcolor{black}{However, both hand-crafted filterbanks and current learnable front-ends lead to fixed computation graphs at inference time, failing to dynamically adapt to varying acoustic environments, a key feature of human auditory systems.} To this end, we explore the question of whether audio front-ends should be adaptive by comparin","authors_text":"Buddhi Wickramasinghe, Eliathamby Ambikairajah, Haizhou Li, Qiquan Zhang, Vidhyasaharan Sethu","cross_cats":["cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-02-05T15:16:52Z","title":"Should Audio Front-ends be Adaptive? Comparing Learnable and Adaptive Front-ends"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03260","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":"sha256:9eee3b9043dbf2e031867c3104501b09351bcffbcf761637eb9be66426f21d2d","target":"record","created_at":"2026-07-05T10:10:02Z","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":"8629cccd04681c100215e24ffd9e1b42f93fafb5bcae3ac6fd4760b52287a742","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-02-05T15:16:52Z","title_canon_sha256":"9ac0a85d1d4390a8a8d9a5c35d3b7ea6477caa8c82179b631919130a34c84dde"},"schema_version":"1.0","source":{"id":"2502.03260","kind":"arxiv","version":1}},"canonical_sha256":"b7efc8d2a2ce946d4ad4dd44f663ca3af1a63ef720acef1b78e8eccc91dad1aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7efc8d2a2ce946d4ad4dd44f663ca3af1a63ef720acef1b78e8eccc91dad1aa","first_computed_at":"2026-07-05T10:10:02.323684Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:02.323684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9hrSbDzIXbFRZQMbdN1qHoqWLQg5DcILrFyBF4Zi0/7I9J0rVn9nr83tGke7yNWjdvn9WT2tSgzLGI9lgK51Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:02.324145Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9eee3b9043dbf2e031867c3104501b09351bcffbcf761637eb9be66426f21d2d","sha256:5e91fe6d7bfc170d4959069b544fc51e94b83576935d646a0969cb78cc0b1bbb"],"state_sha256":"97ea02601fea47e0eb4f32f0040750ecf7f61f77b9768e27c360cfaf4a21ec77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SzpD7k8DNQnAI8sZym9zNTi/OBD68shc5HKX2lET7P3zFDr4BgZ9b4wD7lkF7LTNGwY2l4FSdjTUeevD+/UoDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T16:17:59.180356Z","bundle_sha256":"547548ba3cc2b5779dfa8127098f8c8c3d3ab87fcfc02854e785a60ea8017538"}}