{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:3SBMABNUUB5IICVU5SAZGYDI7Y","short_pith_number":"pith:3SBMABNU","canonical_record":{"source":{"id":"1203.3835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-03-17T04:10:07Z","cross_cats_sorted":[],"title_canon_sha256":"736d5c7de5936ed28f5b02d965cef82d982a100cc6117f107b80ba290658fd18","abstract_canon_sha256":"6a1fa858375a2b4b668a6dc1efd5b53f5913974d64ce4ca49d8df9bb24a73b44"},"schema_version":"1.0"},"canonical_sha256":"dc82c005b4a07a840ab4ec81936068fe3aa3396d82867cafd8d1bfaa81c3a55d","source":{"kind":"arxiv","id":"1203.3835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.3835","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"arxiv_version","alias_value":"1203.3835v1","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.3835","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"pith_short_12","alias_value":"3SBMABNUUB5I","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3SBMABNUUB5IICVU","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3SBMABNU","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:3SBMABNUUB5IICVU5SAZGYDI7Y","target":"record","payload":{"canonical_record":{"source":{"id":"1203.3835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-03-17T04:10:07Z","cross_cats_sorted":[],"title_canon_sha256":"736d5c7de5936ed28f5b02d965cef82d982a100cc6117f107b80ba290658fd18","abstract_canon_sha256":"6a1fa858375a2b4b668a6dc1efd5b53f5913974d64ce4ca49d8df9bb24a73b44"},"schema_version":"1.0"},"canonical_sha256":"dc82c005b4a07a840ab4ec81936068fe3aa3396d82867cafd8d1bfaa81c3a55d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:43:42.211592Z","signature_b64":"6aPsa/xf94brWlYbZvnDR/+uvSUWxuoO0xfRTA4RHC+dwa37IfjGAce082n6vRZeeWHs3NPrBmMyTPDk2gVpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc82c005b4a07a840ab4ec81936068fe3aa3396d82867cafd8d1bfaa81c3a55d","last_reissued_at":"2026-05-18T03:43:42.210914Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:43:42.210914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.3835","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":"2026-05-18T03:43:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wrud6Mj4GZk+fNTPYx3MteNtvZeYrbNqZoGB8H3SoNE3QuRdDqkv1C6ixRKyc2jg3twa2d/8bYhfyx/3Y6CVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:02:16.167981Z"},"content_sha256":"0f24b0c9a10d698c119ad4d58dcda726dc2ce56eab6217cbca988b77e6e0f770","schema_version":"1.0","event_id":"sha256:0f24b0c9a10d698c119ad4d58dcda726dc2ce56eab6217cbca988b77e6e0f770"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:3SBMABNUUB5IICVU5SAZGYDI7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ghost imaging lidar via sparsity constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chengqiang Zhao, Enrong Li, Hui Wang, Mingliang Chen, Shensheng Han, Wendong Xu, Wenlin Gong","submitted_at":"2012-03-17T04:10:07Z","abstract_excerpt":"For remote sensing, high-resolution imaging techniques are helpful to catch more characteristic information of the target. We extend pseudo-thermal light ghost imaging to the area of remote imaging and propose a ghost imaging lidar system. For the first time, we demonstrate experimentally that the real-space image of a target at about 1.0 km range with 20 mm resolution is achieved by ghost imaging via sparsity constraints (GISC) technique. The characters of GISC technique compared to the existing lidar systems are also discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.3835","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":"2026-05-18T03:43:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QbGQejKU1v3c14LRpWaMdNJDrMJHJmdH3C4HflhS5GMZgsImPoy5kh2+L4yM5I+Yg701ozA+XdpbSbUUhGuDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:02:16.168340Z"},"content_sha256":"17332fb0a700f20b304377bd289fd4319c953e62c4ea8e340776f7a96238ac0b","schema_version":"1.0","event_id":"sha256:17332fb0a700f20b304377bd289fd4319c953e62c4ea8e340776f7a96238ac0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/bundle.json","state_url":"https://pith.science/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/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":"2026-06-20T04:02:16Z","links":{"resolver":"https://pith.science/pith/3SBMABNUUB5IICVU5SAZGYDI7Y","bundle":"https://pith.science/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/bundle.json","state":"https://pith.science/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3SBMABNUUB5IICVU5SAZGYDI7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3SBMABNUUB5IICVU5SAZGYDI7Y","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":"6a1fa858375a2b4b668a6dc1efd5b53f5913974d64ce4ca49d8df9bb24a73b44","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-03-17T04:10:07Z","title_canon_sha256":"736d5c7de5936ed28f5b02d965cef82d982a100cc6117f107b80ba290658fd18"},"schema_version":"1.0","source":{"id":"1203.3835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.3835","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"arxiv_version","alias_value":"1203.3835v1","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.3835","created_at":"2026-05-18T03:43:42Z"},{"alias_kind":"pith_short_12","alias_value":"3SBMABNUUB5I","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"3SBMABNUUB5IICVU","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"3SBMABNU","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:17332fb0a700f20b304377bd289fd4319c953e62c4ea8e340776f7a96238ac0b","target":"graph","created_at":"2026-05-18T03:43:42Z","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":"For remote sensing, high-resolution imaging techniques are helpful to catch more characteristic information of the target. We extend pseudo-thermal light ghost imaging to the area of remote imaging and propose a ghost imaging lidar system. For the first time, we demonstrate experimentally that the real-space image of a target at about 1.0 km range with 20 mm resolution is achieved by ghost imaging via sparsity constraints (GISC) technique. The characters of GISC technique compared to the existing lidar systems are also discussed.","authors_text":"Chengqiang Zhao, Enrong Li, Hui Wang, Mingliang Chen, Shensheng Han, Wendong Xu, Wenlin Gong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-03-17T04:10:07Z","title":"Ghost imaging lidar via sparsity constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.3835","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":"sha256:0f24b0c9a10d698c119ad4d58dcda726dc2ce56eab6217cbca988b77e6e0f770","target":"record","created_at":"2026-05-18T03:43:42Z","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":"6a1fa858375a2b4b668a6dc1efd5b53f5913974d64ce4ca49d8df9bb24a73b44","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-03-17T04:10:07Z","title_canon_sha256":"736d5c7de5936ed28f5b02d965cef82d982a100cc6117f107b80ba290658fd18"},"schema_version":"1.0","source":{"id":"1203.3835","kind":"arxiv","version":1}},"canonical_sha256":"dc82c005b4a07a840ab4ec81936068fe3aa3396d82867cafd8d1bfaa81c3a55d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc82c005b4a07a840ab4ec81936068fe3aa3396d82867cafd8d1bfaa81c3a55d","first_computed_at":"2026-05-18T03:43:42.210914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:43:42.210914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6aPsa/xf94brWlYbZvnDR/+uvSUWxuoO0xfRTA4RHC+dwa37IfjGAce082n6vRZeeWHs3NPrBmMyTPDk2gVpDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:43:42.211592Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.3835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f24b0c9a10d698c119ad4d58dcda726dc2ce56eab6217cbca988b77e6e0f770","sha256:17332fb0a700f20b304377bd289fd4319c953e62c4ea8e340776f7a96238ac0b"],"state_sha256":"8b3bc996b1c6fd9e5a09f552cad6016a374322d4e4ed02372fcfb05f67d5206c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHHo36FLjNdehPeV79Csrkim7xFdzVYlH95hpMG0Z+Zbjc/SZ0gyCYJgiIUCV7whT+XzzBxI5Oiiy9zlsgbqDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T04:02:16.170307Z","bundle_sha256":"c28e79eaea4d7b6286abd7f194140ba9980930170e40d6aca104157408f0b54c"}}