{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YEJEUOH6E5JKA3XXFN3YDOAAF6","short_pith_number":"pith:YEJEUOH6","canonical_record":{"source":{"id":"1704.06444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2017-04-21T08:41:21Z","cross_cats_sorted":[],"title_canon_sha256":"490e6a51e0637200d345faaf0cfe08606c56b40a8334052205d2d4ea58d7ce3b","abstract_canon_sha256":"7841a5b057a2b918b41d42d83641ad0754e909c8cee57ed7ef9f1fea7a12041a"},"schema_version":"1.0"},"canonical_sha256":"c1124a38fe2752a06ef72b7781b8002f87ffd48c8b0bd580655757ec9053f3d4","source":{"kind":"arxiv","id":"1704.06444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06444","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06444v1","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06444","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"YEJEUOH6E5JK","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YEJEUOH6E5JKA3XX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YEJEUOH6","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YEJEUOH6E5JKA3XXFN3YDOAAF6","target":"record","payload":{"canonical_record":{"source":{"id":"1704.06444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2017-04-21T08:41:21Z","cross_cats_sorted":[],"title_canon_sha256":"490e6a51e0637200d345faaf0cfe08606c56b40a8334052205d2d4ea58d7ce3b","abstract_canon_sha256":"7841a5b057a2b918b41d42d83641ad0754e909c8cee57ed7ef9f1fea7a12041a"},"schema_version":"1.0"},"canonical_sha256":"c1124a38fe2752a06ef72b7781b8002f87ffd48c8b0bd580655757ec9053f3d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:59.663640Z","signature_b64":"NV82Bn4yJW4ARwrVa+JaowydOpx5MzhvWknNL8RHWRYn8TX6w4+p/QIh42Eqh7ZHV/IaZKXC9wZb3MkhMrboBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1124a38fe2752a06ef72b7781b8002f87ffd48c8b0bd580655757ec9053f3d4","last_reissued_at":"2026-05-18T00:45:59.663194Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:59.663194Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.06444","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":"2026-05-18T00:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"No/Zi9YDzcT7fOfknnQqmuzRO+o8TXg6iBaWwiDJt0cSwwDZslYA6oKjVQnPgVH6utPXGGArcSna8XLYSTb+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:29:48.507199Z"},"content_sha256":"d4bfd31714e32065e851eb403e47bccba644530ca0540b7591e9d3b81ce1621f","schema_version":"1.0","event_id":"sha256:d4bfd31714e32065e851eb403e47bccba644530ca0540b7591e9d3b81ce1621f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YEJEUOH6E5JKA3XXFN3YDOAAF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FISF: Better User Experience using Smaller Bandwidth for Panoramic Virtual Reality Video","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Damai Dai, Jie Jiang, Lun Wang, Tong Yang, Xiaoke Jiang, Xiaoming Li, Yang Li, Zekun Cai","submitted_at":"2017-04-21T08:41:21Z","abstract_excerpt":"The panoramic video is widely used to build virtual reality (VR) and is expected to be one of the next generation Killer-Apps. Transmitting panoramic VR videos is a challenging task because of two problems: 1) panoramic VR videos are typically much larger than normal videos but they need to be transmitted with limited bandwidth in mobile networks. 2) high-resolution and fluent views should be provided to guarantee a superior user experience and avoid side-effects such as dizziness and nausea. To address these two problems, we propose a novel interactive streaming technology, namely Focus-based"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06444","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":""},"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":"2026-05-18T00:45:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f7IUaz4IbO2SQWRNAbDiiUj8sp6M4Ad9vbEKTMq4hkcQWzjV4Fj36tkPKwH9h0rfWIw1LhA+f6DU9eB6/0XdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:29:48.507580Z"},"content_sha256":"183cf34a900462c0c66b46f2b08895919c9fd0702aec80021edb8dccb3d015aa","schema_version":"1.0","event_id":"sha256:183cf34a900462c0c66b46f2b08895919c9fd0702aec80021edb8dccb3d015aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/bundle.json","state_url":"https://pith.science/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/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":"2026-06-03T12:29:48Z","links":{"resolver":"https://pith.science/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6","bundle":"https://pith.science/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/bundle.json","state":"https://pith.science/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEJEUOH6E5JKA3XXFN3YDOAAF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YEJEUOH6E5JKA3XXFN3YDOAAF6","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":"7841a5b057a2b918b41d42d83641ad0754e909c8cee57ed7ef9f1fea7a12041a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2017-04-21T08:41:21Z","title_canon_sha256":"490e6a51e0637200d345faaf0cfe08606c56b40a8334052205d2d4ea58d7ce3b"},"schema_version":"1.0","source":{"id":"1704.06444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06444","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06444v1","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06444","created_at":"2026-05-18T00:45:59Z"},{"alias_kind":"pith_short_12","alias_value":"YEJEUOH6E5JK","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YEJEUOH6E5JKA3XX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YEJEUOH6","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:183cf34a900462c0c66b46f2b08895919c9fd0702aec80021edb8dccb3d015aa","target":"graph","created_at":"2026-05-18T00:45:59Z","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"},"paper":{"abstract_excerpt":"The panoramic video is widely used to build virtual reality (VR) and is expected to be one of the next generation Killer-Apps. Transmitting panoramic VR videos is a challenging task because of two problems: 1) panoramic VR videos are typically much larger than normal videos but they need to be transmitted with limited bandwidth in mobile networks. 2) high-resolution and fluent views should be provided to guarantee a superior user experience and avoid side-effects such as dizziness and nausea. To address these two problems, we propose a novel interactive streaming technology, namely Focus-based","authors_text":"Damai Dai, Jie Jiang, Lun Wang, Tong Yang, Xiaoke Jiang, Xiaoming Li, Yang Li, Zekun Cai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2017-04-21T08:41:21Z","title":"FISF: Better User Experience using Smaller Bandwidth for Panoramic Virtual Reality Video"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06444","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:d4bfd31714e32065e851eb403e47bccba644530ca0540b7591e9d3b81ce1621f","target":"record","created_at":"2026-05-18T00:45:59Z","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":"7841a5b057a2b918b41d42d83641ad0754e909c8cee57ed7ef9f1fea7a12041a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2017-04-21T08:41:21Z","title_canon_sha256":"490e6a51e0637200d345faaf0cfe08606c56b40a8334052205d2d4ea58d7ce3b"},"schema_version":"1.0","source":{"id":"1704.06444","kind":"arxiv","version":1}},"canonical_sha256":"c1124a38fe2752a06ef72b7781b8002f87ffd48c8b0bd580655757ec9053f3d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1124a38fe2752a06ef72b7781b8002f87ffd48c8b0bd580655757ec9053f3d4","first_computed_at":"2026-05-18T00:45:59.663194Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:59.663194Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NV82Bn4yJW4ARwrVa+JaowydOpx5MzhvWknNL8RHWRYn8TX6w4+p/QIh42Eqh7ZHV/IaZKXC9wZb3MkhMrboBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:59.663640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.06444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4bfd31714e32065e851eb403e47bccba644530ca0540b7591e9d3b81ce1621f","sha256:183cf34a900462c0c66b46f2b08895919c9fd0702aec80021edb8dccb3d015aa"],"state_sha256":"4e50ee8ba00ddf27111d8b1c16b13fc44928ce49b8900547015bcfb0038de7c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xmd4zYSjL3qi4bXuoP/8yehfMY68RxBPsE8D/g7OUtS7u4vUAT75gPD9cO2G1D8rBubfHtsKxXnlYXgwEgkKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:29:48.509556Z","bundle_sha256":"47c2e85a0e77b9c8aed2b5682889b65340c9643b092c9ae568b1fa91b685b486"}}