{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:Z6SELLXL5TYGJXPTYJGSS5KL5Y","short_pith_number":"pith:Z6SELLXL","canonical_record":{"source":{"id":"2212.09945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-20T01:46:18Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"a5bb0774927d3e1427e1ff5878a323cdff4844b13c2320c861dd1bcac3b83f8b","abstract_canon_sha256":"d491e135afa6a57741a39babfcf9094cf629817e942b5b5a57d133ec76e1a618"},"schema_version":"1.0"},"canonical_sha256":"cfa445aeebecf064ddf3c24d29754bee3c7bc3c12d4424012d4504a5e6d90244","source":{"kind":"arxiv","id":"2212.09945","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.09945","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"arxiv_version","alias_value":"2212.09945v1","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.09945","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_12","alias_value":"Z6SELLXL5TYG","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"Z6SELLXL5TYGJXPT","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"Z6SELLXL","created_at":"2026-07-05T05:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:Z6SELLXL5TYGJXPTYJGSS5KL5Y","target":"record","payload":{"canonical_record":{"source":{"id":"2212.09945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-20T01:46:18Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"a5bb0774927d3e1427e1ff5878a323cdff4844b13c2320c861dd1bcac3b83f8b","abstract_canon_sha256":"d491e135afa6a57741a39babfcf9094cf629817e942b5b5a57d133ec76e1a618"},"schema_version":"1.0"},"canonical_sha256":"cfa445aeebecf064ddf3c24d29754bee3c7bc3c12d4424012d4504a5e6d90244","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:01.958431Z","signature_b64":"3dOwIr4oGUrF1/S3KYBrpkQvS1A96vsQN+YO/3NBkfQHSS4Bzh+wfMOwMG6XnKc/ZpLCNvM76p2k3LgN1iWjAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfa445aeebecf064ddf3c24d29754bee3c7bc3c12d4424012d4504a5e6d90244","last_reissued_at":"2026-07-05T05:27:01.958011Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:01.958011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.09945","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":"2026-07-05T05:27:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hngCkylwyyLzp1WZ7l+3/jJbNfhGUbZlr26rDFoczajDUUq4nxRUsDCfRVzJyJQ9XzW8ClJkpa4tH7HNE1pICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T14:02:02.501012Z"},"content_sha256":"1e89eea279bb73c19c743e90a90a5ed5c9749de080abfa52aad92940e5abe153","schema_version":"1.0","event_id":"sha256:1e89eea279bb73c19c743e90a90a5ed5c9749de080abfa52aad92940e5abe153"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:Z6SELLXL5TYGJXPTYJGSS5KL5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust and Resource-efficient Machine Learning Aided Viewport Prediction in Virtual Reality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Diego Kiedanski, Konstantinos Poularakis, Leandros Tassiulas, Sastry Kompella, Yuang Jiang","submitted_at":"2022-12-20T01:46:18Z","abstract_excerpt":"360-degree panoramic videos have gained considerable attention in recent years due to the rapid development of head-mounted displays (HMDs) and panoramic cameras. One major problem in streaming panoramic videos is that panoramic videos are much larger in size compared to traditional ones. Moreover, the user devices are often in a wireless environment, with limited battery, computation power, and bandwidth. To reduce resource consumption, researchers have proposed ways to predict the users' viewports so that only part of the entire video needs to be transmitted from the server. However, the rob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.09945","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/2212.09945/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":"2026-07-05T05:27:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJgJFTSi/0N6HsshxQLCyMde4k5833wIwuCelFpgx5AW895QKRFkZgzFNJHOBvD3PVx0/U3ytJaDOA/5qAvCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T14:02:02.501405Z"},"content_sha256":"1fff56ed206c38aade9789b5194ad551f609cb4a3cd3f88a57886755defc9085","schema_version":"1.0","event_id":"sha256:1fff56ed206c38aade9789b5194ad551f609cb4a3cd3f88a57886755defc9085"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/bundle.json","state_url":"https://pith.science/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/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":"2026-07-08T14:02:02Z","links":{"resolver":"https://pith.science/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y","bundle":"https://pith.science/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/bundle.json","state":"https://pith.science/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z6SELLXL5TYGJXPTYJGSS5KL5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Z6SELLXL5TYGJXPTYJGSS5KL5Y","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":"d491e135afa6a57741a39babfcf9094cf629817e942b5b5a57d133ec76e1a618","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-20T01:46:18Z","title_canon_sha256":"a5bb0774927d3e1427e1ff5878a323cdff4844b13c2320c861dd1bcac3b83f8b"},"schema_version":"1.0","source":{"id":"2212.09945","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.09945","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"arxiv_version","alias_value":"2212.09945v1","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.09945","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_12","alias_value":"Z6SELLXL5TYG","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"Z6SELLXL5TYGJXPT","created_at":"2026-07-05T05:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"Z6SELLXL","created_at":"2026-07-05T05:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:1fff56ed206c38aade9789b5194ad551f609cb4a3cd3f88a57886755defc9085","target":"graph","created_at":"2026-07-05T05:27:01Z","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/2212.09945/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"360-degree panoramic videos have gained considerable attention in recent years due to the rapid development of head-mounted displays (HMDs) and panoramic cameras. One major problem in streaming panoramic videos is that panoramic videos are much larger in size compared to traditional ones. Moreover, the user devices are often in a wireless environment, with limited battery, computation power, and bandwidth. To reduce resource consumption, researchers have proposed ways to predict the users' viewports so that only part of the entire video needs to be transmitted from the server. However, the rob","authors_text":"Diego Kiedanski, Konstantinos Poularakis, Leandros Tassiulas, Sastry Kompella, Yuang Jiang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-20T01:46:18Z","title":"Robust and Resource-efficient Machine Learning Aided Viewport Prediction in Virtual Reality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.09945","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":"sha256:1e89eea279bb73c19c743e90a90a5ed5c9749de080abfa52aad92940e5abe153","target":"record","created_at":"2026-07-05T05:27:01Z","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":"d491e135afa6a57741a39babfcf9094cf629817e942b5b5a57d133ec76e1a618","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-12-20T01:46:18Z","title_canon_sha256":"a5bb0774927d3e1427e1ff5878a323cdff4844b13c2320c861dd1bcac3b83f8b"},"schema_version":"1.0","source":{"id":"2212.09945","kind":"arxiv","version":1}},"canonical_sha256":"cfa445aeebecf064ddf3c24d29754bee3c7bc3c12d4424012d4504a5e6d90244","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfa445aeebecf064ddf3c24d29754bee3c7bc3c12d4424012d4504a5e6d90244","first_computed_at":"2026-07-05T05:27:01.958011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:01.958011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3dOwIr4oGUrF1/S3KYBrpkQvS1A96vsQN+YO/3NBkfQHSS4Bzh+wfMOwMG6XnKc/ZpLCNvM76p2k3LgN1iWjAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:01.958431Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.09945","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e89eea279bb73c19c743e90a90a5ed5c9749de080abfa52aad92940e5abe153","sha256:1fff56ed206c38aade9789b5194ad551f609cb4a3cd3f88a57886755defc9085"],"state_sha256":"2cc9ac37145c93ba7cd196f7bd3dc2586eb1a9c024587ec3cf04698c6ec621eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CViGVOgCD/AZuUP/15TTCnYgczmH4PfvMlk8baVWNy+DJ0UgizFNPqR4H82A6Uc7zwG2X3Tc9D77n6ONB5EDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T14:02:02.503470Z","bundle_sha256":"0b20457831c6f6ccd7accdfba96e5a4df8a1b2b3f6d3dc290f869c3ac2d8f29f"}}