{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:M4NGRZE34HQGLL6UYHPDYHILLO","short_pith_number":"pith:M4NGRZE3","canonical_record":{"source":{"id":"2208.09796","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-21T03:43:19Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"43348df698857b6f2088ce3a4b0cc7d58fce77c70363a264c265983b6f4ab3b8","abstract_canon_sha256":"6dc56936f993a8c9a670c22e61132401b55202bd09455dca5d3e771e017a6031"},"schema_version":"1.0"},"canonical_sha256":"671a68e49be1e065afd4c1de3c1d0b5b8e51b03ef33f42e9883eb90e15c70e92","source":{"kind":"arxiv","id":"2208.09796","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.09796","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"2208.09796v2","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.09796","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"M4NGRZE34HQG","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"M4NGRZE34HQGLL6U","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"M4NGRZE3","created_at":"2026-07-05T05:04:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:M4NGRZE34HQGLL6UYHPDYHILLO","target":"record","payload":{"canonical_record":{"source":{"id":"2208.09796","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-21T03:43:19Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"43348df698857b6f2088ce3a4b0cc7d58fce77c70363a264c265983b6f4ab3b8","abstract_canon_sha256":"6dc56936f993a8c9a670c22e61132401b55202bd09455dca5d3e771e017a6031"},"schema_version":"1.0"},"canonical_sha256":"671a68e49be1e065afd4c1de3c1d0b5b8e51b03ef33f42e9883eb90e15c70e92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:04:03.833439Z","signature_b64":"AkSXsd+lf01xBAsagw4xc84Obtt8Zy+xsa5m2KvtU4IuNwZEH2hRD8AwtOK1CMVfhGVwkYfHXbuTMe6kXvYhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"671a68e49be1e065afd4c1de3c1d0b5b8e51b03ef33f42e9883eb90e15c70e92","last_reissued_at":"2026-07-05T05:04:03.833045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:04:03.833045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.09796","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":"2026-07-05T05:04:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rj3YUhIKNwaxZiJUph/KbHic8huPR3Ut8jFtbmskK7X71xI6ZnoUvFNaePCRAPTN6j1/UWuwM1Fet8Hkas/tCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:43:27.171082Z"},"content_sha256":"2711825a45c798232ca041a7b5368f1af5d6492cd93a3cd948a99bdf900ffabe","schema_version":"1.0","event_id":"sha256:2711825a45c798232ca041a7b5368f1af5d6492cd93a3cd948a99bdf900ffabe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:M4NGRZE34HQGLL6UYHPDYHILLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards MOOCs for Lipreading: Using Synthetic Talking Heads to Train Humans in Lipreading at Scale","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.CV","authors_text":"Aditya Agarwal, Bipasha Sen, C.V Jawahar, Rudrabha Mukhopadhyay, Vinay Namboodiri","submitted_at":"2022-08-21T03:43:19Z","abstract_excerpt":"Many people with some form of hearing loss consider lipreading as their primary mode of day-to-day communication. However, finding resources to learn or improve one's lipreading skills can be challenging. This is further exacerbated in the COVID19 pandemic due to restrictions on direct interactions with peers and speech therapists. Today, online MOOCs platforms like Coursera and Udemy have become the most effective form of training for many types of skill development. However, online lipreading resources are scarce as creating such resources is an extensive process needing months of manual eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.09796","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/2208.09796/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":"2026-07-05T05:04:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qnYePB39k6rJcCJ/tAtc3YCTN45XwWUPdqiEWmeGDz89IKhfdP5z3G/59oCWrkARX4hONj9PEyfmw/mQZKOyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:43:27.172032Z"},"content_sha256":"dab74873ce6bda37f58ba6ae782d2fd5f9689fbfc1ae31599a513f99002b0352","schema_version":"1.0","event_id":"sha256:dab74873ce6bda37f58ba6ae782d2fd5f9689fbfc1ae31599a513f99002b0352"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M4NGRZE34HQGLL6UYHPDYHILLO/bundle.json","state_url":"https://pith.science/pith/M4NGRZE34HQGLL6UYHPDYHILLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M4NGRZE34HQGLL6UYHPDYHILLO/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":"2026-08-06T16:43:27Z","links":{"resolver":"https://pith.science/pith/M4NGRZE34HQGLL6UYHPDYHILLO","bundle":"https://pith.science/pith/M4NGRZE34HQGLL6UYHPDYHILLO/bundle.json","state":"https://pith.science/pith/M4NGRZE34HQGLL6UYHPDYHILLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M4NGRZE34HQGLL6UYHPDYHILLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:M4NGRZE34HQGLL6UYHPDYHILLO","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":"6dc56936f993a8c9a670c22e61132401b55202bd09455dca5d3e771e017a6031","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-21T03:43:19Z","title_canon_sha256":"43348df698857b6f2088ce3a4b0cc7d58fce77c70363a264c265983b6f4ab3b8"},"schema_version":"1.0","source":{"id":"2208.09796","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.09796","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"2208.09796v2","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.09796","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"M4NGRZE34HQG","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"M4NGRZE34HQGLL6U","created_at":"2026-07-05T05:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"M4NGRZE3","created_at":"2026-07-05T05:04:03Z"}],"graph_snapshots":[{"event_id":"sha256:dab74873ce6bda37f58ba6ae782d2fd5f9689fbfc1ae31599a513f99002b0352","target":"graph","created_at":"2026-07-05T05:04:03Z","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/2208.09796/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many people with some form of hearing loss consider lipreading as their primary mode of day-to-day communication. However, finding resources to learn or improve one's lipreading skills can be challenging. This is further exacerbated in the COVID19 pandemic due to restrictions on direct interactions with peers and speech therapists. Today, online MOOCs platforms like Coursera and Udemy have become the most effective form of training for many types of skill development. However, online lipreading resources are scarce as creating such resources is an extensive process needing months of manual eff","authors_text":"Aditya Agarwal, Bipasha Sen, C.V Jawahar, Rudrabha Mukhopadhyay, Vinay Namboodiri","cross_cats":["cs.CY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-21T03:43:19Z","title":"Towards MOOCs for Lipreading: Using Synthetic Talking Heads to Train Humans in Lipreading at Scale"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.09796","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":"sha256:2711825a45c798232ca041a7b5368f1af5d6492cd93a3cd948a99bdf900ffabe","target":"record","created_at":"2026-07-05T05:04:03Z","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":"6dc56936f993a8c9a670c22e61132401b55202bd09455dca5d3e771e017a6031","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-08-21T03:43:19Z","title_canon_sha256":"43348df698857b6f2088ce3a4b0cc7d58fce77c70363a264c265983b6f4ab3b8"},"schema_version":"1.0","source":{"id":"2208.09796","kind":"arxiv","version":2}},"canonical_sha256":"671a68e49be1e065afd4c1de3c1d0b5b8e51b03ef33f42e9883eb90e15c70e92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"671a68e49be1e065afd4c1de3c1d0b5b8e51b03ef33f42e9883eb90e15c70e92","first_computed_at":"2026-07-05T05:04:03.833045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:04:03.833045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AkSXsd+lf01xBAsagw4xc84Obtt8Zy+xsa5m2KvtU4IuNwZEH2hRD8AwtOK1CMVfhGVwkYfHXbuTMe6kXvYhBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:04:03.833439Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.09796","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2711825a45c798232ca041a7b5368f1af5d6492cd93a3cd948a99bdf900ffabe","sha256:dab74873ce6bda37f58ba6ae782d2fd5f9689fbfc1ae31599a513f99002b0352"],"state_sha256":"556d9568e1ebd2200d209db871bcd8b877c7acdba430605a3f2a89e75561c3d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UyNJDbTpmxg76fMFNK10a1RXY4BKmqF3uYwVAZzevlIWhuSkUi8PFY9OhWCqLYrnRaHt7hOSkCp3YCimT1zcCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:43:27.178050Z","bundle_sha256":"c642bbd8b868bbef2bc282fc2e415ad12be8a81e5915308aec0bf83484a219fa"}}