{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CS4HYWOCISQY57SHIPA3FKXNFT","short_pith_number":"pith:CS4HYWOC","canonical_record":{"source":{"id":"1903.05572","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-13T16:12:04Z","cross_cats_sorted":[],"title_canon_sha256":"b0179008ec97f48dc18d7d8f3a47a5aa7eee885122bf7920d92f132b5c054cd4","abstract_canon_sha256":"ae78ece35056bcc2097d1ad3be6a7d717a314a51e016366b93498b895b2f6de8"},"schema_version":"1.0"},"canonical_sha256":"14b87c59c244a18efe4743c1b2aaed2ccfca45170ef52a9197fc4862c1a42620","source":{"kind":"arxiv","id":"1903.05572","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05572","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05572v1","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05572","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"pith_short_12","alias_value":"CS4HYWOCISQY","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CS4HYWOCISQY57SH","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CS4HYWOC","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CS4HYWOCISQY57SHIPA3FKXNFT","target":"record","payload":{"canonical_record":{"source":{"id":"1903.05572","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-13T16:12:04Z","cross_cats_sorted":[],"title_canon_sha256":"b0179008ec97f48dc18d7d8f3a47a5aa7eee885122bf7920d92f132b5c054cd4","abstract_canon_sha256":"ae78ece35056bcc2097d1ad3be6a7d717a314a51e016366b93498b895b2f6de8"},"schema_version":"1.0"},"canonical_sha256":"14b87c59c244a18efe4743c1b2aaed2ccfca45170ef52a9197fc4862c1a42620","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:20.598553Z","signature_b64":"xwoBq7+maMjf0eE9rOJDxQ78O1gNBbC3mM5tf5j79OGAOsVRGjuYMK4RXuv2+QlNXWPM/K9fwAJHWE4wCt6fDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14b87c59c244a18efe4743c1b2aaed2ccfca45170ef52a9197fc4862c1a42620","last_reissued_at":"2026-05-17T23:51:20.597857Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:20.597857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.05572","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":"2026-05-17T23:51:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o40mZl0HgITCosCjYMNgJM1CKfr+np1/Wk1u1e8SNn/9SUSkvgCp95UQgKyNhseDtWfJgVjDdr6YOQCnnWz/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:11:40.357328Z"},"content_sha256":"4fa607d3b2140ed6c0e07582db5c4174a64ebc92c2476e12d3bb46e6ddd698db","schema_version":"1.0","event_id":"sha256:4fa607d3b2140ed6c0e07582db5c4174a64ebc92c2476e12d3bb46e6ddd698db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CS4HYWOCISQY57SHIPA3FKXNFT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Privacy Preserving Image-Based Localization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Johannes L. Sch\\\"onberger, Marc Pollefeys, Pablo Speciale, Sing Bing Kang, Sudipta N. Sinha","submitted_at":"2019-03-13T16:12:04Z","abstract_excerpt":"Image-based localization is a core component of many augmented/mixed reality (AR/MR) and autonomous robotic systems. Current localization systems rely on the persistent storage of 3D point clouds of the scene to enable camera pose estimation, but such data reveals potentially sensitive scene information. This gives rise to significant privacy risks, especially as for many applications 3D mapping is a background process that the user might not be fully aware of. We pose the following question: How can we avoid disclosing confidential information about the captured 3D scene, and yet allow reliab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05572","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":"2026-05-17T23:51:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cp0y4UZZ5upldTMJGEuK3fc7MjBZ0GOrS8MagqX2jV08KL1zk2UAY6JiL27lwCTZHE/tl5U+JEy4TIH9mIhRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:11:40.357694Z"},"content_sha256":"1327120fa18ec52a36cecd23e56c5894ccd287748109f0e5b62a0bd98eda6cbb","schema_version":"1.0","event_id":"sha256:1327120fa18ec52a36cecd23e56c5894ccd287748109f0e5b62a0bd98eda6cbb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CS4HYWOCISQY57SHIPA3FKXNFT/bundle.json","state_url":"https://pith.science/pith/CS4HYWOCISQY57SHIPA3FKXNFT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CS4HYWOCISQY57SHIPA3FKXNFT/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":"2026-05-26T05:11:40Z","links":{"resolver":"https://pith.science/pith/CS4HYWOCISQY57SHIPA3FKXNFT","bundle":"https://pith.science/pith/CS4HYWOCISQY57SHIPA3FKXNFT/bundle.json","state":"https://pith.science/pith/CS4HYWOCISQY57SHIPA3FKXNFT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CS4HYWOCISQY57SHIPA3FKXNFT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CS4HYWOCISQY57SHIPA3FKXNFT","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":"ae78ece35056bcc2097d1ad3be6a7d717a314a51e016366b93498b895b2f6de8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-13T16:12:04Z","title_canon_sha256":"b0179008ec97f48dc18d7d8f3a47a5aa7eee885122bf7920d92f132b5c054cd4"},"schema_version":"1.0","source":{"id":"1903.05572","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05572","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05572v1","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05572","created_at":"2026-05-17T23:51:20Z"},{"alias_kind":"pith_short_12","alias_value":"CS4HYWOCISQY","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CS4HYWOCISQY57SH","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CS4HYWOC","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:1327120fa18ec52a36cecd23e56c5894ccd287748109f0e5b62a0bd98eda6cbb","target":"graph","created_at":"2026-05-17T23:51:20Z","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":"Image-based localization is a core component of many augmented/mixed reality (AR/MR) and autonomous robotic systems. Current localization systems rely on the persistent storage of 3D point clouds of the scene to enable camera pose estimation, but such data reveals potentially sensitive scene information. This gives rise to significant privacy risks, especially as for many applications 3D mapping is a background process that the user might not be fully aware of. We pose the following question: How can we avoid disclosing confidential information about the captured 3D scene, and yet allow reliab","authors_text":"Johannes L. Sch\\\"onberger, Marc Pollefeys, Pablo Speciale, Sing Bing Kang, Sudipta N. Sinha","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-13T16:12:04Z","title":"Privacy Preserving Image-Based Localization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05572","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":"sha256:4fa607d3b2140ed6c0e07582db5c4174a64ebc92c2476e12d3bb46e6ddd698db","target":"record","created_at":"2026-05-17T23:51:20Z","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":"ae78ece35056bcc2097d1ad3be6a7d717a314a51e016366b93498b895b2f6de8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-13T16:12:04Z","title_canon_sha256":"b0179008ec97f48dc18d7d8f3a47a5aa7eee885122bf7920d92f132b5c054cd4"},"schema_version":"1.0","source":{"id":"1903.05572","kind":"arxiv","version":1}},"canonical_sha256":"14b87c59c244a18efe4743c1b2aaed2ccfca45170ef52a9197fc4862c1a42620","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14b87c59c244a18efe4743c1b2aaed2ccfca45170ef52a9197fc4862c1a42620","first_computed_at":"2026-05-17T23:51:20.597857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:20.597857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xwoBq7+maMjf0eE9rOJDxQ78O1gNBbC3mM5tf5j79OGAOsVRGjuYMK4RXuv2+QlNXWPM/K9fwAJHWE4wCt6fDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:20.598553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.05572","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fa607d3b2140ed6c0e07582db5c4174a64ebc92c2476e12d3bb46e6ddd698db","sha256:1327120fa18ec52a36cecd23e56c5894ccd287748109f0e5b62a0bd98eda6cbb"],"state_sha256":"6266496b47ee99388df7090e85ec06a7d6c792de4f04dbd6ea31dc2f84bf66d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHukDSWTt1MQlRQ6jQdQv+UWBvQAwN+jMq5x6qd817InwMFXTM96bvVDzKKhLPADKhkLSEQ6/IqgOMGlG3AwDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T05:11:40.360004Z","bundle_sha256":"a52e76da654acd4a0d94d0eba9a407d92abd0c684949df1924469f7c40eaf127"}}