{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JGXZ7D6EGVCLZVWMAYDWRRQC22","short_pith_number":"pith:JGXZ7D6E","canonical_record":{"source":{"id":"1801.01089","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-12T07:46:17Z","cross_cats_sorted":[],"title_canon_sha256":"878fc9ca10825f6352d46a5deb0e1d667cf92a82d3686073182bdecd3af61822","abstract_canon_sha256":"09e8ca9d5a4273cc255a6748cb86afe565a782425acdc503f790e081b349010c"},"schema_version":"1.0"},"canonical_sha256":"49af9f8fc43544bcd6cc060768c602d684277a5760f8370459b87bb14edd3c48","source":{"kind":"arxiv","id":"1801.01089","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01089","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01089v1","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01089","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"pith_short_12","alias_value":"JGXZ7D6EGVCL","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JGXZ7D6EGVCLZVWM","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JGXZ7D6E","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JGXZ7D6EGVCLZVWMAYDWRRQC22","target":"record","payload":{"canonical_record":{"source":{"id":"1801.01089","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-12T07:46:17Z","cross_cats_sorted":[],"title_canon_sha256":"878fc9ca10825f6352d46a5deb0e1d667cf92a82d3686073182bdecd3af61822","abstract_canon_sha256":"09e8ca9d5a4273cc255a6748cb86afe565a782425acdc503f790e081b349010c"},"schema_version":"1.0"},"canonical_sha256":"49af9f8fc43544bcd6cc060768c602d684277a5760f8370459b87bb14edd3c48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:47.849670Z","signature_b64":"wWmeEiL3AgeRwNmjC013YuvZDyN261bsmkcrsr4iPxQ9UTMivb0/uxLb/6dDYi+RzONvPFUMkcwxOAU4X19uAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49af9f8fc43544bcd6cc060768c602d684277a5760f8370459b87bb14edd3c48","last_reissued_at":"2026-05-18T00:26:47.848946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:47.848946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.01089","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":"2026-05-18T00:26:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bTcLqfEqcoruP2FFsJt15MfMeCaXPm3D85G0hpP1YGXBcN0Nimb2w2E1pWOQI70ZMJYwN3xWsyh11kc1F2nVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:41:44.004917Z"},"content_sha256":"b4039ea7bb0ea2703b353da8b78cf1307adc7d76eda67cc0194f8e85f06476ba","schema_version":"1.0","event_id":"sha256:b4039ea7bb0ea2703b353da8b78cf1307adc7d76eda67cc0194f8e85f06476ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JGXZ7D6EGVCLZVWMAYDWRRQC22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"3D Face Reconstruction with Region Based Best Fit Blending Using Mobile Phone for Virtual Reality Based Social Media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Gholamreza Anbarjafari, Iiris Lusi, Lembit Valgma, Rain Eric Haamer, Toomas Tikk","submitted_at":"2017-12-12T07:46:17Z","abstract_excerpt":"The use of virtual reality (VR) is exponentially increasing and due to that many researchers has started to work on developing new VR based social media. For this purpose it is important to have an avatar of the users which look like them to be easily generated by the devices which are accessible, such as mobile phone. In this paper, we propose a novel method of recreating a 3D human face model captured with a phone camera image or video data. The method focuses more on model shape than texture in order to make the face recognizable. We detect 68 facial feature points and use them to separate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01089","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":"2026-05-18T00:26:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tb1APC7eneoZrgxtH4XczDGM9vAagCDe+OlW3Bt/WyksUPdEhmO/UEUlf6DFYVMzM9Q2QI20BxZwUNIHy3DyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:41:44.005883Z"},"content_sha256":"c59130ed53be74ea1f7cef197b5723dcebb35e15a08348f7155ef7dafde0115a","schema_version":"1.0","event_id":"sha256:c59130ed53be74ea1f7cef197b5723dcebb35e15a08348f7155ef7dafde0115a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/bundle.json","state_url":"https://pith.science/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/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":"2026-05-23T16:41:44Z","links":{"resolver":"https://pith.science/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22","bundle":"https://pith.science/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/bundle.json","state":"https://pith.science/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGXZ7D6EGVCLZVWMAYDWRRQC22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JGXZ7D6EGVCLZVWMAYDWRRQC22","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":"09e8ca9d5a4273cc255a6748cb86afe565a782425acdc503f790e081b349010c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-12T07:46:17Z","title_canon_sha256":"878fc9ca10825f6352d46a5deb0e1d667cf92a82d3686073182bdecd3af61822"},"schema_version":"1.0","source":{"id":"1801.01089","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01089","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01089v1","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01089","created_at":"2026-05-18T00:26:47Z"},{"alias_kind":"pith_short_12","alias_value":"JGXZ7D6EGVCL","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JGXZ7D6EGVCLZVWM","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JGXZ7D6E","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:c59130ed53be74ea1f7cef197b5723dcebb35e15a08348f7155ef7dafde0115a","target":"graph","created_at":"2026-05-18T00:26:47Z","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 use of virtual reality (VR) is exponentially increasing and due to that many researchers has started to work on developing new VR based social media. For this purpose it is important to have an avatar of the users which look like them to be easily generated by the devices which are accessible, such as mobile phone. In this paper, we propose a novel method of recreating a 3D human face model captured with a phone camera image or video data. The method focuses more on model shape than texture in order to make the face recognizable. We detect 68 facial feature points and use them to separate ","authors_text":"Gholamreza Anbarjafari, Iiris Lusi, Lembit Valgma, Rain Eric Haamer, Toomas Tikk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-12T07:46:17Z","title":"3D Face Reconstruction with Region Based Best Fit Blending Using Mobile Phone for Virtual Reality Based Social Media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01089","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:b4039ea7bb0ea2703b353da8b78cf1307adc7d76eda67cc0194f8e85f06476ba","target":"record","created_at":"2026-05-18T00:26:47Z","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":"09e8ca9d5a4273cc255a6748cb86afe565a782425acdc503f790e081b349010c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-12T07:46:17Z","title_canon_sha256":"878fc9ca10825f6352d46a5deb0e1d667cf92a82d3686073182bdecd3af61822"},"schema_version":"1.0","source":{"id":"1801.01089","kind":"arxiv","version":1}},"canonical_sha256":"49af9f8fc43544bcd6cc060768c602d684277a5760f8370459b87bb14edd3c48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49af9f8fc43544bcd6cc060768c602d684277a5760f8370459b87bb14edd3c48","first_computed_at":"2026-05-18T00:26:47.848946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:47.848946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wWmeEiL3AgeRwNmjC013YuvZDyN261bsmkcrsr4iPxQ9UTMivb0/uxLb/6dDYi+RzONvPFUMkcwxOAU4X19uAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:47.849670Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01089","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4039ea7bb0ea2703b353da8b78cf1307adc7d76eda67cc0194f8e85f06476ba","sha256:c59130ed53be74ea1f7cef197b5723dcebb35e15a08348f7155ef7dafde0115a"],"state_sha256":"63dd95eaa7c9aefecff3c7f43a6ee1f9c83bf7996b61b68da4c08baeb4f27046"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cx6JO+w/szLmvkeQjniw9paCzshEk4dP2P0TgeS8OydC54EJOmGjAyFa9FZewicuexu345YYOeYLJmEYX/gVBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T16:41:44.009966Z","bundle_sha256":"7907fc8e7d4c007f371acf7e27e084046d0e9a545fdcf73ca3c79315159fe08c"}}