{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6AK7UBXE3BBLJ5M2V7HD5IE5BC","short_pith_number":"pith:6AK7UBXE","canonical_record":{"source":{"id":"2503.21826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2025-03-26T08:45:43Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"99dc37fcf740f62b3448934e666f75aae0a1cb22d3c38c863140f82139c5f7ee","abstract_canon_sha256":"24f6ae6a66cb35261312f1ea50eb32b9da0abf680564d233071d8f47642b2072"},"schema_version":"1.0"},"canonical_sha256":"f015fa06e4d842b4f59aafce3ea09d0897c7f6fb889bc824646c0e708a305238","source":{"kind":"arxiv","id":"2503.21826","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.21826","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"2503.21826v1","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.21826","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"6AK7UBXE3BBL","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_16","alias_value":"6AK7UBXE3BBLJ5M2","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_8","alias_value":"6AK7UBXE","created_at":"2026-07-05T10:41:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6AK7UBXE3BBLJ5M2V7HD5IE5BC","target":"record","payload":{"canonical_record":{"source":{"id":"2503.21826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2025-03-26T08:45:43Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"99dc37fcf740f62b3448934e666f75aae0a1cb22d3c38c863140f82139c5f7ee","abstract_canon_sha256":"24f6ae6a66cb35261312f1ea50eb32b9da0abf680564d233071d8f47642b2072"},"schema_version":"1.0"},"canonical_sha256":"f015fa06e4d842b4f59aafce3ea09d0897c7f6fb889bc824646c0e708a305238","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:41:02.640295Z","signature_b64":"6Y9PQCHF1jpvDljyiixRoP0U8eLmIFJjj2e/fZKOGz6LjIv2TrBOou2hBC7IE0nP8Nhn9dGh7FEQbvLajk2lBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f015fa06e4d842b4f59aafce3ea09d0897c7f6fb889bc824646c0e708a305238","last_reissued_at":"2026-07-05T10:41:02.639862Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:41:02.639862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.21826","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":"2026-07-05T10:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v2sM08acqovQTrBeYS+cCC0UuAHSuU3Ftz43slzu6bAEV9J2ezSUtZE5GwrZpQa+3hCDInTdztFk+CBGsCJ9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:29:28.269142Z"},"content_sha256":"2ba57103157522658b30467cc8ac72e71d81549c869bd3498f8ccf83ce64737e","schema_version":"1.0","event_id":"sha256:2ba57103157522658b30467cc8ac72e71d81549c869bd3498f8ccf83ce64737e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6AK7UBXE3BBLJ5M2V7HD5IE5BC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hierarchical Label Propagation: A Model-Size-Dependent Performance Booster for AudioSet Tagging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.SD","authors_text":"Etienne Labb\\'e (IRIT-SAMoVA), Ludovic Tuncay (IRIT-SAMoVA), Thomas Pellegrini (IRIT-SAMoVA, UT3)","submitted_at":"2025-03-26T08:45:43Z","abstract_excerpt":"AudioSet is one of the most used and largest datasets in audio tagging, containing about 2 million audio samples that are manually labeled with 527 event categories organized into an ontology. However, the annotations contain inconsistencies, particularly where categories that should be labeled as positive according to the ontology are frequently mislabeled as negative. To address this issue, we apply Hierarchical Label Propagation (HLP), which propagates labels up the ontology hierarchy, resulting in a mean increase in positive labels per audio clip from 1.98 to 2.39 and affecting 109 out of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.21826","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/2503.21826/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":"2026-07-05T10:41:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wX3TYztbBkgnswCJcroOmkn0uBx+GOgIE1783sUZkwt7eXq9U3NqniewVgFg89z9z24UvndOZ9/BJ3iYt74zDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:29:28.274957Z"},"content_sha256":"b967045f147c4bbf630a812e9812d04539c06bb59870d6fc7b359d025ea37816","schema_version":"1.0","event_id":"sha256:b967045f147c4bbf630a812e9812d04539c06bb59870d6fc7b359d025ea37816"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/bundle.json","state_url":"https://pith.science/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/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":"2026-08-05T13:29:28Z","links":{"resolver":"https://pith.science/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC","bundle":"https://pith.science/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/bundle.json","state":"https://pith.science/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6AK7UBXE3BBLJ5M2V7HD5IE5BC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6AK7UBXE3BBLJ5M2V7HD5IE5BC","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":"24f6ae6a66cb35261312f1ea50eb32b9da0abf680564d233071d8f47642b2072","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2025-03-26T08:45:43Z","title_canon_sha256":"99dc37fcf740f62b3448934e666f75aae0a1cb22d3c38c863140f82139c5f7ee"},"schema_version":"1.0","source":{"id":"2503.21826","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.21826","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"arxiv_version","alias_value":"2503.21826v1","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.21826","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_12","alias_value":"6AK7UBXE3BBL","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_16","alias_value":"6AK7UBXE3BBLJ5M2","created_at":"2026-07-05T10:41:02Z"},{"alias_kind":"pith_short_8","alias_value":"6AK7UBXE","created_at":"2026-07-05T10:41:02Z"}],"graph_snapshots":[{"event_id":"sha256:b967045f147c4bbf630a812e9812d04539c06bb59870d6fc7b359d025ea37816","target":"graph","created_at":"2026-07-05T10:41:02Z","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/2503.21826/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AudioSet is one of the most used and largest datasets in audio tagging, containing about 2 million audio samples that are manually labeled with 527 event categories organized into an ontology. However, the annotations contain inconsistencies, particularly where categories that should be labeled as positive according to the ontology are frequently mislabeled as negative. To address this issue, we apply Hierarchical Label Propagation (HLP), which propagates labels up the ontology hierarchy, resulting in a mean increase in positive labels per audio clip from 1.98 to 2.39 and affecting 109 out of ","authors_text":"Etienne Labb\\'e (IRIT-SAMoVA), Ludovic Tuncay (IRIT-SAMoVA), Thomas Pellegrini (IRIT-SAMoVA, UT3)","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2025-03-26T08:45:43Z","title":"Hierarchical Label Propagation: A Model-Size-Dependent Performance Booster for AudioSet Tagging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.21826","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":"sha256:2ba57103157522658b30467cc8ac72e71d81549c869bd3498f8ccf83ce64737e","target":"record","created_at":"2026-07-05T10:41:02Z","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":"24f6ae6a66cb35261312f1ea50eb32b9da0abf680564d233071d8f47642b2072","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2025-03-26T08:45:43Z","title_canon_sha256":"99dc37fcf740f62b3448934e666f75aae0a1cb22d3c38c863140f82139c5f7ee"},"schema_version":"1.0","source":{"id":"2503.21826","kind":"arxiv","version":1}},"canonical_sha256":"f015fa06e4d842b4f59aafce3ea09d0897c7f6fb889bc824646c0e708a305238","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f015fa06e4d842b4f59aafce3ea09d0897c7f6fb889bc824646c0e708a305238","first_computed_at":"2026-07-05T10:41:02.639862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:41:02.639862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Y9PQCHF1jpvDljyiixRoP0U8eLmIFJjj2e/fZKOGz6LjIv2TrBOou2hBC7IE0nP8Nhn9dGh7FEQbvLajk2lBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:41:02.640295Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.21826","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ba57103157522658b30467cc8ac72e71d81549c869bd3498f8ccf83ce64737e","sha256:b967045f147c4bbf630a812e9812d04539c06bb59870d6fc7b359d025ea37816"],"state_sha256":"17fe938613ab7495396da61097dfc9867cd55f68ba931e6aa308a7da4da0c2d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AsPxbaLfeRwd0rcrzt4DkHu/mLh5KkZHj0nHjDmcEhCRqTHIoh4AltE48/Q4Ls6910lzA5nhIK4AADS/O8MxDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:29:28.291200Z","bundle_sha256":"c8227eca060bfb35cc5b78b6b85f0cb0f7f8f02c256aaf8c191c214510c117f4"}}