Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T12:56:39.943471Z
Paper Citation Record · LEDGER
As of 7 August 2026, this Paper Citation Record lists 64 of 64 outbound references and 0 inbound Pith citation observations for arXiv:2507.21358.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T12:56:39.943471Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-07T06:34:17.273281+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
64 of 64 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 5c71903c-feae-49e0-93f9-915ea4db9bab · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Aedet: Azimuth- invariant multi-view 3d object detection,
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a221459d-6825-4741-85cc-752305a827f4 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy 3d object detection for autonomous driving: A comprehensive survey,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1ccd9384-0d61-45fd-8d99-6e77de5e62b9 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy BEVDet: High-performance Multi-camera 3D Object Detection in Bird-Eye-View
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9138cf17-3d2d-44a1-89b7-8f4718f95343 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Bevdepth: Acquisition of reliable depth for multi-view 3d object detection,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 59b3930e-5851-4035-a5c6-46ec339b2804 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy BEVDet4D: Exploit Temporal Cues in Multi-camera 3D Object Detection
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0c7101fc-cc4b-4054-870c-a5777cd1f13b · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Bevformer: Learning bird’s-eye-view representation from multi-camera images via spatiotemporal transformers,
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0a7b90de-963d-48bc-a3ca-37fa2ca2da2b · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Petrv2: A unified framework for 3d perception from multi-camera images,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a3d171c7-9ce6-4369-aa63-085b4aded536 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Lift, splat, shoot: Encoding images from arbitrary camera rigs by implicitly unprojecting to 3d,
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 38cbe827-d41a-4033-b8e6-e58b30566858 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Did we test all scenarios for automated and autonomous driving systems?
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation cd855e1a-badb-4ae9-af95-040e87b31371 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Surroundocc: Multi-camera 3d occupancy prediction for autonomous driving,
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 170bac37-9ca6-4a09-91e9-610db450b798 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy FlashOcc: Fast and Memory-Efficient Occupancy Prediction via Channel-to-Height Plugin
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 19da08d1-a040-48a5-acd1-f2925496c85a · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Bevfusion: Multi-task multi-sensor fusion with unified bird’s- eye view representation,
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6f985795-d5c1-4960-be86-50aa07e53f86 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Anyloc: Towards universal visual place recognition,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation dc925958-3189-4976-a41b-afe55c0ad41e · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy nuscenes: A multimodal dataset for autonomous driving,
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9b16f3a0-73c9-4107-8a7a-ac2244b451fc · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Performance and challenges of 3d object detection methods in complex scenes for autonomous driving,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 3d41b644-6b19-43a3-b499-ac142aabc524 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Objects are different: Flexible monocu- lar 3d object detection,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b0af5ae3-b304-4c5b-914c-b8397d4464af · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Is pseudo- lidar needed for monocular 3d object detection?
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 85580a0b-0f94-4d2a-933f-75b1a02f0c57 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy M3d-rpn: Monocular 3d region proposal network for object detection,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a9ca6e10-86b8-4309-a25d-ff1a7ac2fe1f · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Delving into localization errors for monocular 3d object detection,
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2e8f1396-ab5d-43a4-979b-73d2da9a3183 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Monocular 3d object detection for autonomous driving,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5c0a5755-2d95-470e-9384-16d29534e608 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Fcos: A simple and strong anchor-free object detector,
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 357ede9c-5ec9-4a13-af31-bec27a0eb797 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Center- net: Keypoint triplets for object detection,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 4d52c6c1-86e1-4d23-b51d-01c2f28db709 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Fcos3d: Fully convolutional one-stage monocular 3d object detection,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5149dce1-42d6-4e4a-acb4-5a8986c1c838 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Bev- san: Accurate bev 3d object detection via slice attention networks,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation de57954f-2a02-44e9-8879-d18911d17174 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy M$^2$BEV: Multi-Camera Joint 3D Detection and Segmentation with Unified Birds-Eye View Representation
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5d9a7a1d-4fe8-4788-8ab8-aac92d04f227 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Detr3d: 3d object detection from multi-view images via 3d-to-2d queries,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b5bedaea-2317-4926-af79-35e70887972c · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Petr: Position embedding transformation for multi-view 3d object detection,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 07bb0bf3-c280-4ede-9142-3c468c0f0818 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Sparsebev: High- performance sparse 3d object detection from multi-camera videos,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation fdaba06c-92fc-4233-b745-88a27a8ac341 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy End-to-end object detection with transformers,
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6eadbc0c-ead2-4899-815f-3844c3ab6936 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Virtual occupancy grid map for submap-based pose graph slam and planning in 3d environments,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1340080c-eb89-4dfb-a62a-2b4b0845dc11 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy 3d path planning and stereo-based obstacle avoidance for rotorcraft uavs,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation efa014fb-6dd0-447b-a107-f7ae15fa529c · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Using occupancy grids for mobile robot perception and navigation,
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dcfccb2e-b3b4-43d0-bd57-6b06317e4757 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Occupancy anticipation for efficient exploration and navigation,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 68e090a6-fa36-48a3-862a-abf98d67e168 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Probabilistic and geometric depth: Detecting objects in perspective,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 787e6b2d-1093-47fe-819f-a1092514ba91 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy High resolution maps from wide an- gle sonar,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 96acf935-8a58-479e-a37f-9151cdf9fc6c · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Tri-perspective view for vision-based 3d semantic occupancy prediction,
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b004c9bd-d9d7-4f97-bac2-c88052c3a757 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Occ3d: A large-scale 3d occupancy prediction benchmark for autonomous driving,
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 3ea30b07-3b60-4d38-8756-108f39e500e3 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy OccNeRF: Advancing 3D Occupancy Prediction in LiDAR-Free Environments
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0e8b8a93-d11a-4ae1-9a7a-fffecb61af06 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Sparseocc: Rethinking sparse latent representation for vision-based semantic occupancy prediction,
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 48b5dae8-7565-46b9-ba43-0f86bc7e65fa · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy 3dssd: Point-based 3d single stage object detector,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation bd795a6d-d54b-4733-9bc1-883369eb70a9 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Std: Sparse-to-dense 3d object detector for point cloud,
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c3578f2b-8075-475b-bd48-381fce086108 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy A survey on 3d object detection methods for autonomous driving applications,
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation dfbb3f69-49d2-4beb-a4ac-9e6e59a9f291 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Occformer: Dual-path transformer for vision-based 3d semantic occupancy prediction,
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9b90caaf-cd60-40ee-ade8-e2f8f20d79e9 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Deep residual learning for image recognition,
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 67a873bb-289c-4892-a6cd-a4fa4ff9a475 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Feature pyramid networks for object detection,
Reference 45
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ca5394cc-75ec-4a5e-a4cc-5b54a53c7a6b · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy FastOcc: Accelerating 3D Occupancy Prediction by Fusing the 2D Bird's-Eye View and Perspective View
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation e1b54154-2157-4200-8d79-4209ad7ebf42 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy PointOcc: Cylindrical Tri-Perspective View for Point-based 3D Semantic Occupancy Prediction
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 79becef4-dfc2-4141-a9f6-62840eb5c43a · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Density- preserving deep point cloud compression,
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3de706d5-6a56-401b-95b7-7a07963f2ecc · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Visionkg: Unleashing the power of visual datasets via knowledge graph,
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 82184888-8c50-4b5c-a6fb-dd0555f604b7 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Squeeze-and-excitation networks,
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a9a52842-a963-4f8c-82d8-dd59ff94f1e1 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Density-based clustering for 3d object detection in point clouds,
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6bdbe8dc-d6af-4330-8f61-10320f3dc6a4 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Infofocus: 3d object detec- tion for autonomous driving with dynamic information modeling,
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 193a61b1-0570-43f6-81b1-7e3225556e82 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Pointpillars: Fast encoders for object detection from point clouds,
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 80376cf4-312d-4614-b860-8b73612acd1e · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Centerfusion: Center-based radar and camera fusion for 3d object detection,
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation f1145b7b-7403-4ffb-9e6e-7a1b87ade827 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Mvfusion: Multi-view 3d object detection with semantic-aligned radar and camera fusion,
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 89272d56-a550-43a3-9ec9-cd80186171ae · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Learning ego 3d representation as ray tracing,
Reference 56
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 9a712842-14eb-480c-b46d-58c0296af5f1 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Cross modal transformer: Towards fast and robust 3d object detection,
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation ad0bee8b-596d-40e8-8420-98c9530d4f8b · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy X3kd: Knowledge distillation across modalities, tasks and stages for multi-camera 3d object detection,
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation d143963e-239a-4951-96d3-b0be24ec14b3 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Sogdet: Semantic-occupancy guided multi-view 3d object detection,
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation e004350a-4d67-4b17-9f24-474466bf5ca4 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Cobev: Elevating roadside 3d object detection with depth and height complementarity,
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation b5a4f266-a630-4e88-8fe4-cf86d5515eb6 · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy DualBEV: Unifying Dual View Transformation with Probabilistic Correspondences
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation bbf8b84f-9b44-4acf-8312-9eaacc03b14d · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Decoupled Weight Decay Regularization
Reference 62
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c11bffd0-8951-4765-92eb-ac6b3d917ddb · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Class-balanced Grouping and Sampling for Point Cloud 3D Object Detection
Reference 63
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fbbed155-3bd8-462b-ba55-bee989eed5ac · outbound
Collaborative Perceiver: Elevating Vision-based 3D Object Detection via Local Density-Aware Spatial Occupancy Instance-aware multi-camera 3d object detection with structural pri- ors mining and self-boosting learning,
Reference 64
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
No inbound Pith citation observations are available.