{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4X52YXQ3MMM3X4KPWSITA6RBKU","short_pith_number":"pith:4X52YXQ3","canonical_record":{"source":{"id":"2605.29300","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-05-28T03:28:16Z","cross_cats_sorted":["cs.AI","cs.SD"],"title_canon_sha256":"f1a2f4e8f7d4a465e45c711ec48ec02ff3c49c78491d533f98480e819cdfdfce","abstract_canon_sha256":"05b8b1180a6c402371deb2ffc16aca6722e9ccd1c2acf973c9c1125d0ca93812"},"schema_version":"1.0"},"canonical_sha256":"e5fbac5e1b6319bbf14fb491307a21550386bdc12b1624ecbca2194803bb482f","source":{"kind":"arxiv","id":"2605.29300","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29300","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29300v1","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29300","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"4X52YXQ3MMM3","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_16","alias_value":"4X52YXQ3MMM3X4KP","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_8","alias_value":"4X52YXQ3","created_at":"2026-05-29T01:05:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4X52YXQ3MMM3X4KPWSITA6RBKU","target":"record","payload":{"canonical_record":{"source":{"id":"2605.29300","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-05-28T03:28:16Z","cross_cats_sorted":["cs.AI","cs.SD"],"title_canon_sha256":"f1a2f4e8f7d4a465e45c711ec48ec02ff3c49c78491d533f98480e819cdfdfce","abstract_canon_sha256":"05b8b1180a6c402371deb2ffc16aca6722e9ccd1c2acf973c9c1125d0ca93812"},"schema_version":"1.0"},"canonical_sha256":"e5fbac5e1b6319bbf14fb491307a21550386bdc12b1624ecbca2194803bb482f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T01:05:30.776919Z","signature_b64":"ib9RqMzu7yMWWt9REzUbQVAAXf8NO/sdsCi2i9pURkEJWq9WKhqHkO7q9FX4VyMhseD7zzC5o9LrTCfTxMckDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5fbac5e1b6319bbf14fb491307a21550386bdc12b1624ecbca2194803bb482f","last_reissued_at":"2026-05-29T01:05:30.775149Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T01:05:30.775149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.29300","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":"2026-05-29T01:05:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OYXVtJbh1DsciZOKtu9XG2KcTGJXQVg2FhRSniJJp4OMqWMmNmJ9jBzc8ytLvJDJ/5h7TWszF4LzbQRxckCgDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:13:28.623888Z"},"content_sha256":"916b52f4e429802bb83c92419e92bf046d81ecaf31405b7169b9ff2190215cb7","schema_version":"1.0","event_id":"sha256:916b52f4e429802bb83c92419e92bf046d81ecaf31405b7169b9ff2190215cb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4X52YXQ3MMM3X4KPWSITA6RBKU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MusTBENCH: Benchmarking and Advancing Temporal Grounding in Music LLMs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.SD"],"primary_cat":"cs.CL","authors_text":"Daeyong Kwon, Hiromi Wakaki, Junghyun Koo, Qiyu Wu, Shinobu Kuriya, Shuyang Cui, Wei-Hsiang Liao, Yuki Mitsufuji, Zhi Zhong","submitted_at":"2026-05-28T03:28:16Z","abstract_excerpt":"Recent Large Audio-Language Models (LALMs) have demonstrated promising abilities in understanding musical content. However, whether their responses are grounded in the correct temporal regions of the audio remains underexplored. This limitation is particularly critical for music understanding, where key information often occurs as temporally localized events, such as instrument entries and rhythmic transitions. To address this gap, we introduce MusTBENCH, a music-expert-validated benchmark designed to evaluate temporal grounding in LALMs through five temporally grounded question-answering task"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29300","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/2605.29300/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":"2026-05-29T01:05:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8T0DDi7wbiIqoaUg5r6TVhptM3FKDJbiK8VfMOFPwUqWwdc5xjXycieT2IokX3PR/avHV8kDxlgCe1rVWSPfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:13:28.624686Z"},"content_sha256":"8690007ea57b308df510f8b917c93d4483be8338e342bec08b4b671ed755bdac","schema_version":"1.0","event_id":"sha256:8690007ea57b308df510f8b917c93d4483be8338e342bec08b4b671ed755bdac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/bundle.json","state_url":"https://pith.science/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/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":"2026-06-11T21:13:28Z","links":{"resolver":"https://pith.science/pith/4X52YXQ3MMM3X4KPWSITA6RBKU","bundle":"https://pith.science/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/bundle.json","state":"https://pith.science/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4X52YXQ3MMM3X4KPWSITA6RBKU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4X52YXQ3MMM3X4KPWSITA6RBKU","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":"05b8b1180a6c402371deb2ffc16aca6722e9ccd1c2acf973c9c1125d0ca93812","cross_cats_sorted":["cs.AI","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-05-28T03:28:16Z","title_canon_sha256":"f1a2f4e8f7d4a465e45c711ec48ec02ff3c49c78491d533f98480e819cdfdfce"},"schema_version":"1.0","source":{"id":"2605.29300","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29300","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29300v1","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29300","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"4X52YXQ3MMM3","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_16","alias_value":"4X52YXQ3MMM3X4KP","created_at":"2026-05-29T01:05:30Z"},{"alias_kind":"pith_short_8","alias_value":"4X52YXQ3","created_at":"2026-05-29T01:05:30Z"}],"graph_snapshots":[{"event_id":"sha256:8690007ea57b308df510f8b917c93d4483be8338e342bec08b4b671ed755bdac","target":"graph","created_at":"2026-05-29T01:05:30Z","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/2605.29300/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent Large Audio-Language Models (LALMs) have demonstrated promising abilities in understanding musical content. However, whether their responses are grounded in the correct temporal regions of the audio remains underexplored. This limitation is particularly critical for music understanding, where key information often occurs as temporally localized events, such as instrument entries and rhythmic transitions. To address this gap, we introduce MusTBENCH, a music-expert-validated benchmark designed to evaluate temporal grounding in LALMs through five temporally grounded question-answering task","authors_text":"Daeyong Kwon, Hiromi Wakaki, Junghyun Koo, Qiyu Wu, Shinobu Kuriya, Shuyang Cui, Wei-Hsiang Liao, Yuki Mitsufuji, Zhi Zhong","cross_cats":["cs.AI","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-05-28T03:28:16Z","title":"MusTBENCH: Benchmarking and Advancing Temporal Grounding in Music LLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29300","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":"sha256:916b52f4e429802bb83c92419e92bf046d81ecaf31405b7169b9ff2190215cb7","target":"record","created_at":"2026-05-29T01:05:30Z","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":"05b8b1180a6c402371deb2ffc16aca6722e9ccd1c2acf973c9c1125d0ca93812","cross_cats_sorted":["cs.AI","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-05-28T03:28:16Z","title_canon_sha256":"f1a2f4e8f7d4a465e45c711ec48ec02ff3c49c78491d533f98480e819cdfdfce"},"schema_version":"1.0","source":{"id":"2605.29300","kind":"arxiv","version":1}},"canonical_sha256":"e5fbac5e1b6319bbf14fb491307a21550386bdc12b1624ecbca2194803bb482f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5fbac5e1b6319bbf14fb491307a21550386bdc12b1624ecbca2194803bb482f","first_computed_at":"2026-05-29T01:05:30.775149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T01:05:30.775149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ib9RqMzu7yMWWt9REzUbQVAAXf8NO/sdsCi2i9pURkEJWq9WKhqHkO7q9FX4VyMhseD7zzC5o9LrTCfTxMckDQ==","signature_status":"signed_v1","signed_at":"2026-05-29T01:05:30.776919Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.29300","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:916b52f4e429802bb83c92419e92bf046d81ecaf31405b7169b9ff2190215cb7","sha256:8690007ea57b308df510f8b917c93d4483be8338e342bec08b4b671ed755bdac"],"state_sha256":"cf92619f909dda08895d99816d773d9121e772e5563d6fb29d533a10b256a552"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b2TBtOmV4I634uvPWiN6rtD4E0P5VqrGJJgdOcYaZlo38qNqyMo18g/PQGCxCUyIAunSwZ9DgG6dUw/tYF/jBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T21:13:28.628605Z","bundle_sha256":"7f5b307d8c42f31e4cde35d2dbdddd166ee9005c7f6ec9d733f3c717849ad810"}}