{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:65YDXXFO6HF5O6BG5JHR6WUEW4","short_pith_number":"pith:65YDXXFO","canonical_record":{"source":{"id":"2605.22262","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SD","submitted_at":"2026-05-21T10:06:34Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"3fa5922d5933a796d917df17168a971899a05d60b05c4e5fa6b7f6d785de6eec","abstract_canon_sha256":"5d2da0d6820bd7c76421bf53cb36aca758231f9f3413f6507cbba2bc4877f797"},"schema_version":"1.0"},"canonical_sha256":"f7703bdcaef1cbd77826ea4f1f5a84b7156f9c76c6c5ab12a88fc93cd0f85ded","source":{"kind":"arxiv","id":"2605.22262","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22262","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22262v1","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22262","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_12","alias_value":"65YDXXFO6HF5","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_16","alias_value":"65YDXXFO6HF5O6BG","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_8","alias_value":"65YDXXFO","created_at":"2026-05-22T01:04:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:65YDXXFO6HF5O6BG5JHR6WUEW4","target":"record","payload":{"canonical_record":{"source":{"id":"2605.22262","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SD","submitted_at":"2026-05-21T10:06:34Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"3fa5922d5933a796d917df17168a971899a05d60b05c4e5fa6b7f6d785de6eec","abstract_canon_sha256":"5d2da0d6820bd7c76421bf53cb36aca758231f9f3413f6507cbba2bc4877f797"},"schema_version":"1.0"},"canonical_sha256":"f7703bdcaef1cbd77826ea4f1f5a84b7156f9c76c6c5ab12a88fc93cd0f85ded","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:04:35.064793Z","signature_b64":"bfS8KigTQhtTNsKTpwFcTucN4OtvvCFpuhsvnx4WPGQoqLjaqUPuKLeK85HL2ubwi679wFukzSpLUkG7LdwZAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7703bdcaef1cbd77826ea4f1f5a84b7156f9c76c6c5ab12a88fc93cd0f85ded","last_reissued_at":"2026-05-22T01:04:35.063995Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:04:35.063995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.22262","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":"2026-05-22T01:04:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"56EZrsEz/H9ncdz9S3ZUhkW4vDQA6VP2GjU7T+vysJIblLO1fjdCUjk5jfWymz8tcObpRB+gic3cAJZ0fXd6Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T06:14:33.349969Z"},"content_sha256":"02d9266a07679eb3e80f5fab70efe9b396d44a8e873e8a563827dfe7e9c9f1c5","schema_version":"1.0","event_id":"sha256:02d9266a07679eb3e80f5fab70efe9b396d44a8e873e8a563827dfe7e9c9f1c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:65YDXXFO6HF5O6BG5JHR6WUEW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic Contextual Audio Denoising","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.SD","authors_text":"Diep Luong, Konstantinos Drossos, Mikko Heikkinen, Tuomas Virtanen","submitted_at":"2026-05-21T10:06:34Z","abstract_excerpt":"Audio context determines which sound components and sources are relevant and which can be perceived as irrelevant (noise) by listeners. For example, traffic noise is informative in urban surveillance but noise for a phone call at the same location. Most current audio denoising systems apply fixed target-noise definitions, often removing useful components in one context while failing to suppress irrelevant components. To address this, we introduce the concept automatic contextual audio denoising (ACAD) which defines target and noise based on the inferred context. In this work, we restrict conte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22262","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/2605.22262/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":"2026-05-22T01:04:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KlIfL21P1nZq6DrnFL8QMvBFE3pXhFgetl6WXJMw7BuPwlf3E+9fRhkzJEFq/WMCZhjmYssqQPr35Vq+VV0CCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T06:14:33.350352Z"},"content_sha256":"8421e60b9d8abea8ca1b2923de441eed0653279a328e2a3683809cf4f84b8a84","schema_version":"1.0","event_id":"sha256:8421e60b9d8abea8ca1b2923de441eed0653279a328e2a3683809cf4f84b8a84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/bundle.json","state_url":"https://pith.science/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/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":"2026-07-03T06:14:33Z","links":{"resolver":"https://pith.science/pith/65YDXXFO6HF5O6BG5JHR6WUEW4","bundle":"https://pith.science/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/bundle.json","state":"https://pith.science/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65YDXXFO6HF5O6BG5JHR6WUEW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:65YDXXFO6HF5O6BG5JHR6WUEW4","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":"5d2da0d6820bd7c76421bf53cb36aca758231f9f3413f6507cbba2bc4877f797","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SD","submitted_at":"2026-05-21T10:06:34Z","title_canon_sha256":"3fa5922d5933a796d917df17168a971899a05d60b05c4e5fa6b7f6d785de6eec"},"schema_version":"1.0","source":{"id":"2605.22262","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22262","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22262v1","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22262","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_12","alias_value":"65YDXXFO6HF5","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_16","alias_value":"65YDXXFO6HF5O6BG","created_at":"2026-05-22T01:04:35Z"},{"alias_kind":"pith_short_8","alias_value":"65YDXXFO","created_at":"2026-05-22T01:04:35Z"}],"graph_snapshots":[{"event_id":"sha256:8421e60b9d8abea8ca1b2923de441eed0653279a328e2a3683809cf4f84b8a84","target":"graph","created_at":"2026-05-22T01:04:35Z","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/2605.22262/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Audio context determines which sound components and sources are relevant and which can be perceived as irrelevant (noise) by listeners. For example, traffic noise is informative in urban surveillance but noise for a phone call at the same location. Most current audio denoising systems apply fixed target-noise definitions, often removing useful components in one context while failing to suppress irrelevant components. To address this, we introduce the concept automatic contextual audio denoising (ACAD) which defines target and noise based on the inferred context. In this work, we restrict conte","authors_text":"Diep Luong, Konstantinos Drossos, Mikko Heikkinen, Tuomas Virtanen","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SD","submitted_at":"2026-05-21T10:06:34Z","title":"Automatic Contextual Audio Denoising"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22262","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":"sha256:02d9266a07679eb3e80f5fab70efe9b396d44a8e873e8a563827dfe7e9c9f1c5","target":"record","created_at":"2026-05-22T01:04:35Z","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":"5d2da0d6820bd7c76421bf53cb36aca758231f9f3413f6507cbba2bc4877f797","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.SD","submitted_at":"2026-05-21T10:06:34Z","title_canon_sha256":"3fa5922d5933a796d917df17168a971899a05d60b05c4e5fa6b7f6d785de6eec"},"schema_version":"1.0","source":{"id":"2605.22262","kind":"arxiv","version":1}},"canonical_sha256":"f7703bdcaef1cbd77826ea4f1f5a84b7156f9c76c6c5ab12a88fc93cd0f85ded","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7703bdcaef1cbd77826ea4f1f5a84b7156f9c76c6c5ab12a88fc93cd0f85ded","first_computed_at":"2026-05-22T01:04:35.063995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:04:35.063995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bfS8KigTQhtTNsKTpwFcTucN4OtvvCFpuhsvnx4WPGQoqLjaqUPuKLeK85HL2ubwi679wFukzSpLUkG7LdwZAw==","signature_status":"signed_v1","signed_at":"2026-05-22T01:04:35.064793Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.22262","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02d9266a07679eb3e80f5fab70efe9b396d44a8e873e8a563827dfe7e9c9f1c5","sha256:8421e60b9d8abea8ca1b2923de441eed0653279a328e2a3683809cf4f84b8a84"],"state_sha256":"f8d437983f5640f63497adc6efa11f64eff2b59f25a94c81ed569b1793ae682e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q/Tvtf8QruI4wXk9kPIXTowLZhPVewzv+BKshg47Yf4Y5Nk1BeI6giNRENByIcJmMwO0p8ks0VJlO0/fkbQLBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T06:14:33.352463Z","bundle_sha256":"cf2dcf91c70676101c99083104b96213234688715a8255ec3a81e9ed5b1852fc"}}