{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QFDZK2SBL324KGUW2HNL6FK2DL","short_pith_number":"pith:QFDZK2SB","canonical_record":{"source":{"id":"2506.02010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-27T20:25:31Z","cross_cats_sorted":["cs.SD","eess.AS"],"title_canon_sha256":"8c1acee945969bc3c2999b7b47ec8f920f241140c38fa63bd666997c25a649d0","abstract_canon_sha256":"306fc62872d34976d1ff91fa130b2af2995c62b73d9217aff32362024b12bd6e"},"schema_version":"1.0"},"canonical_sha256":"8147956a415ef5c51a96d1dabf155a1aedc77e15cbba59bbd881b815a86f0894","source":{"kind":"arxiv","id":"2506.02010","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02010","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02010v1","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02010","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_12","alias_value":"QFDZK2SBL324","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_16","alias_value":"QFDZK2SBL324KGUW","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_8","alias_value":"QFDZK2SB","created_at":"2026-07-05T11:14:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QFDZK2SBL324KGUW2HNL6FK2DL","target":"record","payload":{"canonical_record":{"source":{"id":"2506.02010","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-27T20:25:31Z","cross_cats_sorted":["cs.SD","eess.AS"],"title_canon_sha256":"8c1acee945969bc3c2999b7b47ec8f920f241140c38fa63bd666997c25a649d0","abstract_canon_sha256":"306fc62872d34976d1ff91fa130b2af2995c62b73d9217aff32362024b12bd6e"},"schema_version":"1.0"},"canonical_sha256":"8147956a415ef5c51a96d1dabf155a1aedc77e15cbba59bbd881b815a86f0894","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:14:30.895045Z","signature_b64":"HhoVtmOjV0Ts9YawU1ARWV0fWgNDTuQMedOXyERhhrdyvuX1RB4GdU/gA8LdrboKZT1GE2I9tbOpU8FlsjeZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8147956a415ef5c51a96d1dabf155a1aedc77e15cbba59bbd881b815a86f0894","last_reissued_at":"2026-07-05T11:14:30.894616Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:14:30.894616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.02010","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":"2026-07-05T11:14:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TkDW1f3ZCxGgCg1mXS/sOsNmkFMHy9xav28WnAcfpmwosCkV5l2TLu8dIFZ5Cr/LP5hPI/1fa+ZG44xEN3+zCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:18:56.635291Z"},"content_sha256":"48438a205ca973f5ca8701298215b067e857782e176c92d2ea04e87833c63a92","schema_version":"1.0","event_id":"sha256:48438a205ca973f5ca8701298215b067e857782e176c92d2ea04e87833c63a92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QFDZK2SBL324KGUW2HNL6FK2DL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CNVSRC 2024: The Second Chinese Continuous Visual Speech Recognition Challenge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD","eess.AS"],"primary_cat":"cs.CV","authors_text":"Chen Chen, Dong Wang, Lantian Li, Xiaolou Li, Zehua Liu","submitted_at":"2025-05-27T20:25:31Z","abstract_excerpt":"This paper presents the second Chinese Continuous Visual Speech Recognition Challenge (CNVSRC 2024), which builds on CNVSRC 2023 to advance research in Chinese Large Vocabulary Continuous Visual Speech Recognition (LVC-VSR). The challenge evaluates two test scenarios: reading in recording studios and Internet speech. CNVSRC 2024 uses the same datasets as its predecessor CNVSRC 2023, which involves CN-CVS for training and CNVSRC-Single/Multi for development and evaluation. However, CNVSRC 2024 introduced two key improvements: (1) a stronger baseline system, and (2) an additional dataset, CN-CVS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02010","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/2506.02010/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":"2026-07-05T11:14:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pu51hRbW8yM6Bb2OGFHqRAkdHxHzk/P0nqTlYG7Gddm8pmvZWKGJxFPV0l7u03sr6beiOtwMTPg9cTAiEwp0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T09:18:56.635798Z"},"content_sha256":"d05e7e75c3ad5c10a080236362347ca434dacbc71b4a7748d467dfd119767980","schema_version":"1.0","event_id":"sha256:d05e7e75c3ad5c10a080236362347ca434dacbc71b4a7748d467dfd119767980"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFDZK2SBL324KGUW2HNL6FK2DL/bundle.json","state_url":"https://pith.science/pith/QFDZK2SBL324KGUW2HNL6FK2DL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFDZK2SBL324KGUW2HNL6FK2DL/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":"2026-08-08T09:18:56Z","links":{"resolver":"https://pith.science/pith/QFDZK2SBL324KGUW2HNL6FK2DL","bundle":"https://pith.science/pith/QFDZK2SBL324KGUW2HNL6FK2DL/bundle.json","state":"https://pith.science/pith/QFDZK2SBL324KGUW2HNL6FK2DL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFDZK2SBL324KGUW2HNL6FK2DL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QFDZK2SBL324KGUW2HNL6FK2DL","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":"306fc62872d34976d1ff91fa130b2af2995c62b73d9217aff32362024b12bd6e","cross_cats_sorted":["cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-27T20:25:31Z","title_canon_sha256":"8c1acee945969bc3c2999b7b47ec8f920f241140c38fa63bd666997c25a649d0"},"schema_version":"1.0","source":{"id":"2506.02010","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02010","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02010v1","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02010","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_12","alias_value":"QFDZK2SBL324","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_16","alias_value":"QFDZK2SBL324KGUW","created_at":"2026-07-05T11:14:30Z"},{"alias_kind":"pith_short_8","alias_value":"QFDZK2SB","created_at":"2026-07-05T11:14:30Z"}],"graph_snapshots":[{"event_id":"sha256:d05e7e75c3ad5c10a080236362347ca434dacbc71b4a7748d467dfd119767980","target":"graph","created_at":"2026-07-05T11:14:30Z","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/2506.02010/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents the second Chinese Continuous Visual Speech Recognition Challenge (CNVSRC 2024), which builds on CNVSRC 2023 to advance research in Chinese Large Vocabulary Continuous Visual Speech Recognition (LVC-VSR). The challenge evaluates two test scenarios: reading in recording studios and Internet speech. CNVSRC 2024 uses the same datasets as its predecessor CNVSRC 2023, which involves CN-CVS for training and CNVSRC-Single/Multi for development and evaluation. However, CNVSRC 2024 introduced two key improvements: (1) a stronger baseline system, and (2) an additional dataset, CN-CVS","authors_text":"Chen Chen, Dong Wang, Lantian Li, Xiaolou Li, Zehua Liu","cross_cats":["cs.SD","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-27T20:25:31Z","title":"CNVSRC 2024: The Second Chinese Continuous Visual Speech Recognition Challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02010","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":"sha256:48438a205ca973f5ca8701298215b067e857782e176c92d2ea04e87833c63a92","target":"record","created_at":"2026-07-05T11:14:30Z","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":"306fc62872d34976d1ff91fa130b2af2995c62b73d9217aff32362024b12bd6e","cross_cats_sorted":["cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-27T20:25:31Z","title_canon_sha256":"8c1acee945969bc3c2999b7b47ec8f920f241140c38fa63bd666997c25a649d0"},"schema_version":"1.0","source":{"id":"2506.02010","kind":"arxiv","version":1}},"canonical_sha256":"8147956a415ef5c51a96d1dabf155a1aedc77e15cbba59bbd881b815a86f0894","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8147956a415ef5c51a96d1dabf155a1aedc77e15cbba59bbd881b815a86f0894","first_computed_at":"2026-07-05T11:14:30.894616Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:14:30.894616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HhoVtmOjV0Ts9YawU1ARWV0fWgNDTuQMedOXyERhhrdyvuX1RB4GdU/gA8LdrboKZT1GE2I9tbOpU8FlsjeZCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:14:30.895045Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.02010","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48438a205ca973f5ca8701298215b067e857782e176c92d2ea04e87833c63a92","sha256:d05e7e75c3ad5c10a080236362347ca434dacbc71b4a7748d467dfd119767980"],"state_sha256":"0cf3c29b4912a5a0b89a703c7176c60e744933f615746b7d82459dd060c0242c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y0Zx2l7II3UxtL9WpVlaQlMWw66em1EiiJ68KKatRF5RjLGKaBj7rBAX/to3CuBGeU2XWxVit6kBd1jPzn8wDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T09:18:56.640980Z","bundle_sha256":"9c6f6b75a12da9333bcafcd9e6d75fa1047a3f77bbd36b0552c0eeed2f8d3582"}}