{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FCZORJGC6OXQ63B6J3TKXZEWES","short_pith_number":"pith:FCZORJGC","canonical_record":{"source":{"id":"2507.19026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-07-25T07:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"d72107c38c078d19f4b042a3f7a2d1ca67659625ac95246ffa0b782170448998","abstract_canon_sha256":"959f253340311e32986c67dc513eb3dc02c5f589edc976bf7287528cb5f3f063"},"schema_version":"1.0"},"canonical_sha256":"28b2e8a4c2f3af0f6c3e4ee6abe4962482303332a98596f39089582b8c67a4aa","source":{"kind":"arxiv","id":"2507.19026","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19026","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19026v1","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19026","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_12","alias_value":"FCZORJGC6OXQ","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_16","alias_value":"FCZORJGC6OXQ63B6","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_8","alias_value":"FCZORJGC","created_at":"2026-07-05T11:43:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FCZORJGC6OXQ63B6J3TKXZEWES","target":"record","payload":{"canonical_record":{"source":{"id":"2507.19026","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-07-25T07:24:59Z","cross_cats_sorted":[],"title_canon_sha256":"d72107c38c078d19f4b042a3f7a2d1ca67659625ac95246ffa0b782170448998","abstract_canon_sha256":"959f253340311e32986c67dc513eb3dc02c5f589edc976bf7287528cb5f3f063"},"schema_version":"1.0"},"canonical_sha256":"28b2e8a4c2f3af0f6c3e4ee6abe4962482303332a98596f39089582b8c67a4aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:43:18.091448Z","signature_b64":"W2xtgx52BQu4LFlZVlCwbxEQ3HvXb0ztcVgdC0jXE9K9NrDzcJega53yx4MIvEz0Qh3EzcyAKqv+C3rRNNOYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28b2e8a4c2f3af0f6c3e4ee6abe4962482303332a98596f39089582b8c67a4aa","last_reissued_at":"2026-07-05T11:43:18.090913Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:43:18.090913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.19026","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":"2026-07-05T11:43:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8e0j488cuTKeOkCd+f3j1ygODXMDjgvWoU9VtcUTTmZVPD6bJdtld74BKsv3nuuH8i5nnsM1XoSJnMy3Fu32AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T17:02:24.542948Z"},"content_sha256":"1f0b4e2c4a9684a49346d6bb8be71e4250f299a1095551816226c9ee494ac5fd","schema_version":"1.0","event_id":"sha256:1f0b4e2c4a9684a49346d6bb8be71e4250f299a1095551816226c9ee494ac5fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FCZORJGC6OXQ63B6J3TKXZEWES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RhythmTA: A Visual-Aided Interactive System for ESL Rhythm Training via Dubbing Practice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Chang Chen, Huamin Qu, Shuchang Xu, Sicheng Song, Yanna Lin, Zhicheng Li","submitted_at":"2025-07-25T07:24:59Z","abstract_excerpt":"English speech rhythm, the temporal patterns of stressed syllables, is essential for English as a second language (ESL) learners to produce natural-sounding and comprehensible speech. Rhythm training is generally based on imitation of native speech. However, it relies heavily on external instructor feedback, preventing ESL learners from independent practice. To address this gap, we present RhythmTA, an interactive system for ESL learners to practice speech rhythm independently via dubbing, an imitation-based approach. The system automatically extracts rhythm from any English speech and introdu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19026","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/2507.19026/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":"2026-07-05T11:43:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i6wwvxxgXYyJwp2Dsq6M58145Q0sLMf8uJsDCqvlxdIDweb0B+6AM994ZGRhoNyhPq0S9wuc7LjoWhirmfu2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T17:02:24.543336Z"},"content_sha256":"20be9d7f3bbe44ea7a0ed97fa7c873c122221c227d04bd76b11a571297672b93","schema_version":"1.0","event_id":"sha256:20be9d7f3bbe44ea7a0ed97fa7c873c122221c227d04bd76b11a571297672b93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FCZORJGC6OXQ63B6J3TKXZEWES/bundle.json","state_url":"https://pith.science/pith/FCZORJGC6OXQ63B6J3TKXZEWES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FCZORJGC6OXQ63B6J3TKXZEWES/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":"2026-07-17T17:02:24Z","links":{"resolver":"https://pith.science/pith/FCZORJGC6OXQ63B6J3TKXZEWES","bundle":"https://pith.science/pith/FCZORJGC6OXQ63B6J3TKXZEWES/bundle.json","state":"https://pith.science/pith/FCZORJGC6OXQ63B6J3TKXZEWES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FCZORJGC6OXQ63B6J3TKXZEWES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FCZORJGC6OXQ63B6J3TKXZEWES","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":"959f253340311e32986c67dc513eb3dc02c5f589edc976bf7287528cb5f3f063","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-07-25T07:24:59Z","title_canon_sha256":"d72107c38c078d19f4b042a3f7a2d1ca67659625ac95246ffa0b782170448998"},"schema_version":"1.0","source":{"id":"2507.19026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.19026","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"arxiv_version","alias_value":"2507.19026v1","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.19026","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_12","alias_value":"FCZORJGC6OXQ","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_16","alias_value":"FCZORJGC6OXQ63B6","created_at":"2026-07-05T11:43:18Z"},{"alias_kind":"pith_short_8","alias_value":"FCZORJGC","created_at":"2026-07-05T11:43:18Z"}],"graph_snapshots":[{"event_id":"sha256:20be9d7f3bbe44ea7a0ed97fa7c873c122221c227d04bd76b11a571297672b93","target":"graph","created_at":"2026-07-05T11:43:18Z","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/2507.19026/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"English speech rhythm, the temporal patterns of stressed syllables, is essential for English as a second language (ESL) learners to produce natural-sounding and comprehensible speech. Rhythm training is generally based on imitation of native speech. However, it relies heavily on external instructor feedback, preventing ESL learners from independent practice. To address this gap, we present RhythmTA, an interactive system for ESL learners to practice speech rhythm independently via dubbing, an imitation-based approach. The system automatically extracts rhythm from any English speech and introdu","authors_text":"Chang Chen, Huamin Qu, Shuchang Xu, Sicheng Song, Yanna Lin, Zhicheng Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-07-25T07:24:59Z","title":"RhythmTA: A Visual-Aided Interactive System for ESL Rhythm Training via Dubbing Practice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.19026","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":"sha256:1f0b4e2c4a9684a49346d6bb8be71e4250f299a1095551816226c9ee494ac5fd","target":"record","created_at":"2026-07-05T11:43:18Z","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":"959f253340311e32986c67dc513eb3dc02c5f589edc976bf7287528cb5f3f063","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-07-25T07:24:59Z","title_canon_sha256":"d72107c38c078d19f4b042a3f7a2d1ca67659625ac95246ffa0b782170448998"},"schema_version":"1.0","source":{"id":"2507.19026","kind":"arxiv","version":1}},"canonical_sha256":"28b2e8a4c2f3af0f6c3e4ee6abe4962482303332a98596f39089582b8c67a4aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28b2e8a4c2f3af0f6c3e4ee6abe4962482303332a98596f39089582b8c67a4aa","first_computed_at":"2026-07-05T11:43:18.090913Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:43:18.090913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W2xtgx52BQu4LFlZVlCwbxEQ3HvXb0ztcVgdC0jXE9K9NrDzcJega53yx4MIvEz0Qh3EzcyAKqv+C3rRNNOYBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:43:18.091448Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.19026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f0b4e2c4a9684a49346d6bb8be71e4250f299a1095551816226c9ee494ac5fd","sha256:20be9d7f3bbe44ea7a0ed97fa7c873c122221c227d04bd76b11a571297672b93"],"state_sha256":"b7749dc7446bba9d91f337424d6fbac46aebc3c45214f13686b5ec2b67792bf1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYUDNVNfsniSdsrlQxwrrsoRFsZnQpYRTOjvaz745GzZf/FW27RHl9RjR5XyaA+1Xt4rpNdThEuiM/oYuNjcBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T17:02:24.545990Z","bundle_sha256":"dce2fa0715a752b05f5494e74620566a7e50fa836125500851969c0002d095c0"}}