{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:ATHLWAUR4N2EKXUNXZJV5PN6CK","short_pith_number":"pith:ATHLWAUR","canonical_record":{"source":{"id":"2005.10228","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2020-05-19T07:08:18Z","cross_cats_sorted":["eess.AS","eess.SP"],"title_canon_sha256":"1e7a10e171b2107da7bad0f406ebb509d5c2e98e587159974a6d2acb81004ebe","abstract_canon_sha256":"f937ce8ce76950179c3ffb768bcb736c89f4dd6f9a3305bdd935c88b201154e7"},"schema_version":"1.0"},"canonical_sha256":"04cebb0291e374455e8dbe535ebdbe129eb0a7cc647814d01740987a53b5dd0f","source":{"kind":"arxiv","id":"2005.10228","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.10228","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"arxiv_version","alias_value":"2005.10228v2","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.10228","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_12","alias_value":"ATHLWAUR4N2E","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_16","alias_value":"ATHLWAUR4N2EKXUN","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_8","alias_value":"ATHLWAUR","created_at":"2026-07-05T01:55:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:ATHLWAUR4N2EKXUNXZJV5PN6CK","target":"record","payload":{"canonical_record":{"source":{"id":"2005.10228","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2020-05-19T07:08:18Z","cross_cats_sorted":["eess.AS","eess.SP"],"title_canon_sha256":"1e7a10e171b2107da7bad0f406ebb509d5c2e98e587159974a6d2acb81004ebe","abstract_canon_sha256":"f937ce8ce76950179c3ffb768bcb736c89f4dd6f9a3305bdd935c88b201154e7"},"schema_version":"1.0"},"canonical_sha256":"04cebb0291e374455e8dbe535ebdbe129eb0a7cc647814d01740987a53b5dd0f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:10.201845Z","signature_b64":"U3hNXcqET5x39DqNZ0b4+OWTVCzry8VPq8vQok5M4vTE+XEaw1XLC5OLVWV157pqd9MLFaVnOibn9b5YSk6YAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04cebb0291e374455e8dbe535ebdbe129eb0a7cc647814d01740987a53b5dd0f","last_reissued_at":"2026-07-05T01:55:10.201408Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:10.201408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.10228","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:55:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RihB+T1dNJdNqmr0HkVg2Cpgx/MBqRnbdS3ij7SKBk0W//uYlrG9bNODN/CA2diM4BplTuaL/qfi0Y/pMv+tDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:21:38.445371Z"},"content_sha256":"27169f89423e0bdb519bb65176d32e3c6627e7cb0468f4b1a5b1d928c532d3eb","schema_version":"1.0","event_id":"sha256:27169f89423e0bdb519bb65176d32e3c6627e7cb0468f4b1a5b1d928c532d3eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:ATHLWAUR4N2EKXUNXZJV5PN6CK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sparsity-based audio declipping methods: selected overview, new algorithms, and large-scale evaluation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS","eess.SP"],"primary_cat":"cs.SD","authors_text":"Cl\\'ement Gaultier (PANAMA), DANTE), Nancy Bertin (PANAMA), R\\'emi Gribonval (PANAMA, Sr{\\dj}an Kiti\\'c (PANAMA)","submitted_at":"2020-05-19T07:08:18Z","abstract_excerpt":"Recent advances in audio declipping have substantially improved the state of the art.% in certain saturation regimes. Yet, practitioners need guidelines to choose a method, and while existing benchmarks have been instrumental in advancing the field, larger-scale experiments are needed to guide such choices. First, we show that the clipping levels in existing small-scale benchmarks are moderate and call for benchmarks with more perceptually significant clipping levels. We then propose a general algorithmic framework for declipping that covers existing and new combinations of variants of state-o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.10228","kind":"arxiv","version":2},"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/2005.10228/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":"2026-07-05T01:55:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sGdNRMfUEQo4GervlYiH+TOU1pLk9ZpEGXXwBj6n0TBRg0fCOLlrYAWzl8x6dkwVHD58CD6odLrmAyUHcZm5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T03:21:38.468229Z"},"content_sha256":"441ab616b53804cf4abb7a114d00d8e7ff101d622e51adfdce4538eec8d3c686","schema_version":"1.0","event_id":"sha256:441ab616b53804cf4abb7a114d00d8e7ff101d622e51adfdce4538eec8d3c686"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/bundle.json","state_url":"https://pith.science/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/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":"2026-08-11T03:21:38Z","links":{"resolver":"https://pith.science/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK","bundle":"https://pith.science/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/bundle.json","state":"https://pith.science/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ATHLWAUR4N2EKXUNXZJV5PN6CK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ATHLWAUR4N2EKXUNXZJV5PN6CK","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":"f937ce8ce76950179c3ffb768bcb736c89f4dd6f9a3305bdd935c88b201154e7","cross_cats_sorted":["eess.AS","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2020-05-19T07:08:18Z","title_canon_sha256":"1e7a10e171b2107da7bad0f406ebb509d5c2e98e587159974a6d2acb81004ebe"},"schema_version":"1.0","source":{"id":"2005.10228","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.10228","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"arxiv_version","alias_value":"2005.10228v2","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.10228","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_12","alias_value":"ATHLWAUR4N2E","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_16","alias_value":"ATHLWAUR4N2EKXUN","created_at":"2026-07-05T01:55:10Z"},{"alias_kind":"pith_short_8","alias_value":"ATHLWAUR","created_at":"2026-07-05T01:55:10Z"}],"graph_snapshots":[{"event_id":"sha256:441ab616b53804cf4abb7a114d00d8e7ff101d622e51adfdce4538eec8d3c686","target":"graph","created_at":"2026-07-05T01:55:10Z","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/2005.10228/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advances in audio declipping have substantially improved the state of the art.% in certain saturation regimes. Yet, practitioners need guidelines to choose a method, and while existing benchmarks have been instrumental in advancing the field, larger-scale experiments are needed to guide such choices. First, we show that the clipping levels in existing small-scale benchmarks are moderate and call for benchmarks with more perceptually significant clipping levels. We then propose a general algorithmic framework for declipping that covers existing and new combinations of variants of state-o","authors_text":"Cl\\'ement Gaultier (PANAMA), DANTE), Nancy Bertin (PANAMA), R\\'emi Gribonval (PANAMA, Sr{\\dj}an Kiti\\'c (PANAMA)","cross_cats":["eess.AS","eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2020-05-19T07:08:18Z","title":"Sparsity-based audio declipping methods: selected overview, new algorithms, and large-scale evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.10228","kind":"arxiv","version":2},"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":"sha256:27169f89423e0bdb519bb65176d32e3c6627e7cb0468f4b1a5b1d928c532d3eb","target":"record","created_at":"2026-07-05T01:55:10Z","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":"f937ce8ce76950179c3ffb768bcb736c89f4dd6f9a3305bdd935c88b201154e7","cross_cats_sorted":["eess.AS","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2020-05-19T07:08:18Z","title_canon_sha256":"1e7a10e171b2107da7bad0f406ebb509d5c2e98e587159974a6d2acb81004ebe"},"schema_version":"1.0","source":{"id":"2005.10228","kind":"arxiv","version":2}},"canonical_sha256":"04cebb0291e374455e8dbe535ebdbe129eb0a7cc647814d01740987a53b5dd0f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04cebb0291e374455e8dbe535ebdbe129eb0a7cc647814d01740987a53b5dd0f","first_computed_at":"2026-07-05T01:55:10.201408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:55:10.201408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U3hNXcqET5x39DqNZ0b4+OWTVCzry8VPq8vQok5M4vTE+XEaw1XLC5OLVWV157pqd9MLFaVnOibn9b5YSk6YAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:55:10.201845Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.10228","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27169f89423e0bdb519bb65176d32e3c6627e7cb0468f4b1a5b1d928c532d3eb","sha256:441ab616b53804cf4abb7a114d00d8e7ff101d622e51adfdce4538eec8d3c686"],"state_sha256":"d2d9496c7275aad0930f7b9704b581903f31dd187f3a740cae8cb61bc17c1402"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wmgBbFnCTpsIXZQzjlhxOZQadXd7iFzCFHchRBGRVtBRYUSimm/rYSoMpDsxS7XvHI/KENrp8PVTIPtJoQhFCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T03:21:38.627334Z","bundle_sha256":"67b49d866267f49936e8a9bf7f34989064fd6f71788838e8e6059534c9fc7ba8"}}