{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:F3QLF5YBGTVLJUCPCTC3JXIDLE","short_pith_number":"pith:F3QLF5YB","canonical_record":{"source":{"id":"1504.01753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-07T21:05:48Z","cross_cats_sorted":[],"title_canon_sha256":"d56e27fa1f6f042eeda6d0892a92ce9c0d42d271e112bc0d4ca783ed0fae0ebb","abstract_canon_sha256":"b86ad6bf369877912b6440b6bd828a3f3f7af7ba6b32d1a64153bc3ea50ba285"},"schema_version":"1.0"},"canonical_sha256":"2ee0b2f70134eab4d04f14c5b4dd035931e8122a1911abb46891457e95581582","source":{"kind":"arxiv","id":"1504.01753","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01753","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01753v1","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01753","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"F3QLF5YBGTVL","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3QLF5YBGTVLJUCP","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3QLF5YB","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:F3QLF5YBGTVLJUCPCTC3JXIDLE","target":"record","payload":{"canonical_record":{"source":{"id":"1504.01753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-07T21:05:48Z","cross_cats_sorted":[],"title_canon_sha256":"d56e27fa1f6f042eeda6d0892a92ce9c0d42d271e112bc0d4ca783ed0fae0ebb","abstract_canon_sha256":"b86ad6bf369877912b6440b6bd828a3f3f7af7ba6b32d1a64153bc3ea50ba285"},"schema_version":"1.0"},"canonical_sha256":"2ee0b2f70134eab4d04f14c5b4dd035931e8122a1911abb46891457e95581582","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:26.103109Z","signature_b64":"qlCUWIy1KFhbajGezK5W4aVAWzYfTOEtutdnT7yhWFMyVa9jNTLloaCS5/rAzu9ldt/wP54Kf5FHR9f+dfIZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ee0b2f70134eab4d04f14c5b4dd035931e8122a1911abb46891457e95581582","last_reissued_at":"2026-05-18T02:19:26.102448Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:26.102448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.01753","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":"2026-05-18T02:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NDWTzLSfH3uCdV2sl3RfFGwxu7D5fDQz08sl4GEsJJ2wfqdBH1fIeuaX/JkePzr9JehARX5AZOG2AcnVN3YIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T22:24:19.878021Z"},"content_sha256":"4c09a4669c58a67faa7fd7c7b006a5b20a14f4409e6c3171670fe1937577b4fb","schema_version":"1.0","event_id":"sha256:4c09a4669c58a67faa7fd7c7b006a5b20a14f4409e6c3171670fe1937577b4fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:F3QLF5YBGTVLJUCPCTC3JXIDLE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design and Implementation of a 3D Undersea Camera System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Paul Macoun, Steve Sutphen, Xida Chen, Yee-Hong Yang","submitted_at":"2015-04-07T21:05:48Z","abstract_excerpt":"In this paper, we present the design and development of an undersea camera system. The goal of our system is to provide a 3D model of the undersea habitat in a long-term continuous manner. The most important feature of our system is the use of multiple cameras and multiple projectors, which is able to provide accurate 3D models with an accuracy of a millimeter. By introducing projectors in our system, we can use many different structured light methods for different tasks. There are two main advantages comparing our system with using ROVs or AUVs. First, our system can provide continuous monito"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01753","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":"2026-05-18T02:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RzR1dequpYr0VZiAo+TEbF0fOp6dU1fbY70EmdAp6qVnh2cCl8aX+II9rw71akKpmcwA0oTlICjUYEpyBW+1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T22:24:19.878374Z"},"content_sha256":"4c4742cdffcb8861838b42664975bbbec930b308d67216e486c5b6dd2b27568d","schema_version":"1.0","event_id":"sha256:4c4742cdffcb8861838b42664975bbbec930b308d67216e486c5b6dd2b27568d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/bundle.json","state_url":"https://pith.science/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/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":"2026-06-20T22:24:19Z","links":{"resolver":"https://pith.science/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE","bundle":"https://pith.science/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/bundle.json","state":"https://pith.science/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3QLF5YBGTVLJUCPCTC3JXIDLE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:F3QLF5YBGTVLJUCPCTC3JXIDLE","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":"b86ad6bf369877912b6440b6bd828a3f3f7af7ba6b32d1a64153bc3ea50ba285","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-07T21:05:48Z","title_canon_sha256":"d56e27fa1f6f042eeda6d0892a92ce9c0d42d271e112bc0d4ca783ed0fae0ebb"},"schema_version":"1.0","source":{"id":"1504.01753","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01753","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01753v1","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01753","created_at":"2026-05-18T02:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"F3QLF5YBGTVL","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3QLF5YBGTVLJUCP","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3QLF5YB","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:4c4742cdffcb8861838b42664975bbbec930b308d67216e486c5b6dd2b27568d","target":"graph","created_at":"2026-05-18T02:19:26Z","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":"In this paper, we present the design and development of an undersea camera system. The goal of our system is to provide a 3D model of the undersea habitat in a long-term continuous manner. The most important feature of our system is the use of multiple cameras and multiple projectors, which is able to provide accurate 3D models with an accuracy of a millimeter. By introducing projectors in our system, we can use many different structured light methods for different tasks. There are two main advantages comparing our system with using ROVs or AUVs. First, our system can provide continuous monito","authors_text":"Paul Macoun, Steve Sutphen, Xida Chen, Yee-Hong Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-07T21:05:48Z","title":"Design and Implementation of a 3D Undersea Camera System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01753","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":"sha256:4c09a4669c58a67faa7fd7c7b006a5b20a14f4409e6c3171670fe1937577b4fb","target":"record","created_at":"2026-05-18T02:19:26Z","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":"b86ad6bf369877912b6440b6bd828a3f3f7af7ba6b32d1a64153bc3ea50ba285","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-07T21:05:48Z","title_canon_sha256":"d56e27fa1f6f042eeda6d0892a92ce9c0d42d271e112bc0d4ca783ed0fae0ebb"},"schema_version":"1.0","source":{"id":"1504.01753","kind":"arxiv","version":1}},"canonical_sha256":"2ee0b2f70134eab4d04f14c5b4dd035931e8122a1911abb46891457e95581582","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ee0b2f70134eab4d04f14c5b4dd035931e8122a1911abb46891457e95581582","first_computed_at":"2026-05-18T02:19:26.102448Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:26.102448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qlCUWIy1KFhbajGezK5W4aVAWzYfTOEtutdnT7yhWFMyVa9jNTLloaCS5/rAzu9ldt/wP54Kf5FHR9f+dfIZBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:26.103109Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.01753","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c09a4669c58a67faa7fd7c7b006a5b20a14f4409e6c3171670fe1937577b4fb","sha256:4c4742cdffcb8861838b42664975bbbec930b308d67216e486c5b6dd2b27568d"],"state_sha256":"87f9d37efebc8ac988da584ea1f64c39c30dedcf03655a7fa8d8508cf71cc9d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qDqgi5NmhYeE7QcKTFxQIhX98nTP0VrogE5rwvYZPcH9GBOocyCTuslCpk5iGT9f1A8Lsib2gB8IN/U0sxleDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T22:24:19.880332Z","bundle_sha256":"a96e9f38c4199cc1cccee02eebabcd24261d95edfb427c9c915b6aa069973aa1"}}