{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ALPVZVK5HB5NKXILM6PSIF2BYM","short_pith_number":"pith:ALPVZVK5","canonical_record":{"source":{"id":"2408.07041","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-08-13T17:11:54Z","cross_cats_sorted":[],"title_canon_sha256":"c914e28e6905f759fc40b5a3aa2f8fcb52ed3c2efc08959c2945bdcd5dfe0d5c","abstract_canon_sha256":"b32d4deb2da1c6437f6b6303db632e31285d16333d545804b5a98aac9bad68c1"},"schema_version":"1.0"},"canonical_sha256":"02df5cd55d387ad55d0b679f241741c302b3469a6a031e4132680b70815c45ed","source":{"kind":"arxiv","id":"2408.07041","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.07041","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2408.07041v2","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.07041","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"ALPVZVK5HB5N","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"ALPVZVK5HB5NKXIL","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"ALPVZVK5","created_at":"2026-07-05T09:14:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ALPVZVK5HB5NKXILM6PSIF2BYM","target":"record","payload":{"canonical_record":{"source":{"id":"2408.07041","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-08-13T17:11:54Z","cross_cats_sorted":[],"title_canon_sha256":"c914e28e6905f759fc40b5a3aa2f8fcb52ed3c2efc08959c2945bdcd5dfe0d5c","abstract_canon_sha256":"b32d4deb2da1c6437f6b6303db632e31285d16333d545804b5a98aac9bad68c1"},"schema_version":"1.0"},"canonical_sha256":"02df5cd55d387ad55d0b679f241741c302b3469a6a031e4132680b70815c45ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:14:55.148124Z","signature_b64":"4BibAKsfNoBWZzvJMHR+dW2xqqoe4nHqW/+7yTdS4v7ptf/RGNLjov67vubncVSfS3f1S6dm/UBtkq6pkbu4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02df5cd55d387ad55d0b679f241741c302b3469a6a031e4132680b70815c45ed","last_reissued_at":"2026-07-05T09:14:55.147609Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:14:55.147609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.07041","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":"2026-07-05T09:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/kSp1gcZc13abhcu6+LpO/r+edMU5ocLtw4BUkd78AHxIFNTSSv9JDDTPzGNElj+yAJcetwAil8YqgS81npmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:06:57.535487Z"},"content_sha256":"e8795c1459772c113e41078dac82635fccb7d1badf7aaa32aa5685919ad5cd89","schema_version":"1.0","event_id":"sha256:e8795c1459772c113e41078dac82635fccb7d1badf7aaa32aa5685919ad5cd89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ALPVZVK5HB5NKXILM6PSIF2BYM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subjective and Objective Quality Assessment of Rendered Human Avatar Videos in Virtual Reality","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"eess.IV","authors_text":"Alan C. Bovik, Alexandre Chapiro, Avinab Saha, Bo Qiu, Christian H\\\"ane, Ioannis Katsavounidis, Jean-Charles Bazin, Stefano Zanetti, Yu-Chih Chen","submitted_at":"2024-08-13T17:11:54Z","abstract_excerpt":"We study the visual quality judgments of human subjects on digital human avatars (sometimes referred to as \"holograms\" in the parlance of virtual reality [VR] and augmented reality [AR] systems) that have been subjected to distortions. We also study the ability of video quality models to predict human judgments. As streaming human avatar videos in VR or AR become increasingly common, the need for more advanced human avatar video compression protocols will be required to address the tradeoffs between faithfully transmitting high-quality visual representations while adjusting to changeable bandw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.07041","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/2408.07041/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":"2026-07-05T09:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N6l9qHq4zj3hpTSuf/O5zM/zdr8je0Y6xockyxlwvhr71bB8xsT+uR68e0OkMTamtvoy/57VoshP40nvE/jPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T23:06:57.535933Z"},"content_sha256":"1ffdc7b53e00eba06853ae2a3602361ffe04ace560bc47e0f7e5131e11d6fd0f","schema_version":"1.0","event_id":"sha256:1ffdc7b53e00eba06853ae2a3602361ffe04ace560bc47e0f7e5131e11d6fd0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/bundle.json","state_url":"https://pith.science/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/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":"2026-08-13T23:06:57Z","links":{"resolver":"https://pith.science/pith/ALPVZVK5HB5NKXILM6PSIF2BYM","bundle":"https://pith.science/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/bundle.json","state":"https://pith.science/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALPVZVK5HB5NKXILM6PSIF2BYM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ALPVZVK5HB5NKXILM6PSIF2BYM","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":"b32d4deb2da1c6437f6b6303db632e31285d16333d545804b5a98aac9bad68c1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-08-13T17:11:54Z","title_canon_sha256":"c914e28e6905f759fc40b5a3aa2f8fcb52ed3c2efc08959c2945bdcd5dfe0d5c"},"schema_version":"1.0","source":{"id":"2408.07041","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.07041","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2408.07041v2","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.07041","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"ALPVZVK5HB5N","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"ALPVZVK5HB5NKXIL","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"ALPVZVK5","created_at":"2026-07-05T09:14:55Z"}],"graph_snapshots":[{"event_id":"sha256:1ffdc7b53e00eba06853ae2a3602361ffe04ace560bc47e0f7e5131e11d6fd0f","target":"graph","created_at":"2026-07-05T09:14:55Z","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/2408.07041/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the visual quality judgments of human subjects on digital human avatars (sometimes referred to as \"holograms\" in the parlance of virtual reality [VR] and augmented reality [AR] systems) that have been subjected to distortions. We also study the ability of video quality models to predict human judgments. As streaming human avatar videos in VR or AR become increasingly common, the need for more advanced human avatar video compression protocols will be required to address the tradeoffs between faithfully transmitting high-quality visual representations while adjusting to changeable bandw","authors_text":"Alan C. Bovik, Alexandre Chapiro, Avinab Saha, Bo Qiu, Christian H\\\"ane, Ioannis Katsavounidis, Jean-Charles Bazin, Stefano Zanetti, Yu-Chih Chen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-08-13T17:11:54Z","title":"Subjective and Objective Quality Assessment of Rendered Human Avatar Videos in Virtual Reality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.07041","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:e8795c1459772c113e41078dac82635fccb7d1badf7aaa32aa5685919ad5cd89","target":"record","created_at":"2026-07-05T09:14:55Z","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":"b32d4deb2da1c6437f6b6303db632e31285d16333d545804b5a98aac9bad68c1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-08-13T17:11:54Z","title_canon_sha256":"c914e28e6905f759fc40b5a3aa2f8fcb52ed3c2efc08959c2945bdcd5dfe0d5c"},"schema_version":"1.0","source":{"id":"2408.07041","kind":"arxiv","version":2}},"canonical_sha256":"02df5cd55d387ad55d0b679f241741c302b3469a6a031e4132680b70815c45ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02df5cd55d387ad55d0b679f241741c302b3469a6a031e4132680b70815c45ed","first_computed_at":"2026-07-05T09:14:55.147609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:14:55.147609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4BibAKsfNoBWZzvJMHR+dW2xqqoe4nHqW/+7yTdS4v7ptf/RGNLjov67vubncVSfS3f1S6dm/UBtkq6pkbu4CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:14:55.148124Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.07041","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8795c1459772c113e41078dac82635fccb7d1badf7aaa32aa5685919ad5cd89","sha256:1ffdc7b53e00eba06853ae2a3602361ffe04ace560bc47e0f7e5131e11d6fd0f"],"state_sha256":"b8de44dacbf7613d59b01c70d4d58a77e5c49e2f93d577f245f3d4653b794591"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b4p0EjF8Qssnz3GH0XOmyBc4MdGoJZ1F3ft6DZIUQKUzcDxk6Xd4FOqAHOhV4730f9/4JNSGkZ87xwPhhQQLDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T23:06:57.556092Z","bundle_sha256":"349e6455822cbd8371b420da1e30888f6c8b12c631c0e2fb9fb488813baafc5b"}}