{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:X7LEJ6OJUYQ5RW7SWTIT7MQVD2","short_pith_number":"pith:X7LEJ6OJ","canonical_record":{"source":{"id":"2106.07552","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2021-06-03T05:36:39Z","cross_cats_sorted":[],"title_canon_sha256":"992df1f2e8f01ab1e49ade19754f8504c9efb21dc9908e47de26b9344e502e89","abstract_canon_sha256":"7a255051a451abc7f35ff45547da640b02f9bbc86fbdd0d76263000718b3709a"},"schema_version":"1.0"},"canonical_sha256":"bfd644f9c9a621d8dbf2b4d13fb2151eb383cbfd3cb8047011caecfa1edb8bd5","source":{"kind":"arxiv","id":"2106.07552","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.07552","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"2106.07552v1","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.07552","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"X7LEJ6OJUYQ5","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_16","alias_value":"X7LEJ6OJUYQ5RW7S","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_8","alias_value":"X7LEJ6OJ","created_at":"2026-07-05T02:49:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:X7LEJ6OJUYQ5RW7SWTIT7MQVD2","target":"record","payload":{"canonical_record":{"source":{"id":"2106.07552","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2021-06-03T05:36:39Z","cross_cats_sorted":[],"title_canon_sha256":"992df1f2e8f01ab1e49ade19754f8504c9efb21dc9908e47de26b9344e502e89","abstract_canon_sha256":"7a255051a451abc7f35ff45547da640b02f9bbc86fbdd0d76263000718b3709a"},"schema_version":"1.0"},"canonical_sha256":"bfd644f9c9a621d8dbf2b4d13fb2151eb383cbfd3cb8047011caecfa1edb8bd5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:49:06.164752Z","signature_b64":"6Xz/rmExPPLxXXtQQicF88dO7xgxS4+qusC47G/k2LGyk5NIFNDrGleG1xEqoB+MRHFQeTI6XyJuTcK7Qy/GCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfd644f9c9a621d8dbf2b4d13fb2151eb383cbfd3cb8047011caecfa1edb8bd5","last_reissued_at":"2026-07-05T02:49:06.164381Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:49:06.164381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.07552","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":"2026-07-05T02:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/aGeRKO+yDNkZ+fJITA0GUA5mV0Hynpgi2w+UnnEmTui3LKFICFfKTL0kVof3kKBJT7GinpyecJE38S2JSKmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:24:30.398919Z"},"content_sha256":"f03fac8682d3396b027d333163d4cf5e065b07cd51c13927cd774d596dc749cf","schema_version":"1.0","event_id":"sha256:f03fac8682d3396b027d333163d4cf5e065b07cd51c13927cd774d596dc749cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:X7LEJ6OJUYQ5RW7SWTIT7MQVD2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PC-DAN: Point Cloud based Deep Affinity Network for 3D Multi-Object Tracking (Accepted as an extended abstract in JRDB-ACT Workshop at CVPR21)","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Aakash Kumar, Ajmal Mian, Jyoti Kini, Mubarak Shah","submitted_at":"2021-06-03T05:36:39Z","abstract_excerpt":"In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially revolutionizing the autonomous vehicles and assistive robotic industry. A point cloud is a dense compilation of spatial data in 3D coordinates. It plays a vital role in modeling complex real-world scenes since it preserves structural information and avoids perspective distortion, unlike image data, which is the projection of a 3D structure on a 2D plane. In order"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.07552","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.07552/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:49:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZwIEBCwmQ1Sd1hIwMg9oi1cJ28zKxf/45GzzBgMQa3IHrLTdpWaZ0nMW1gva+H88uvDdV5HLUbH5uqYdbjqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:24:30.399286Z"},"content_sha256":"b4105f0c062fd84269f7491213ba9725d97e9c12990288dd7bd384833161015a","schema_version":"1.0","event_id":"sha256:b4105f0c062fd84269f7491213ba9725d97e9c12990288dd7bd384833161015a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/bundle.json","state_url":"https://pith.science/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/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":"2026-07-06T17:24:30Z","links":{"resolver":"https://pith.science/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2","bundle":"https://pith.science/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/bundle.json","state":"https://pith.science/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X7LEJ6OJUYQ5RW7SWTIT7MQVD2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:X7LEJ6OJUYQ5RW7SWTIT7MQVD2","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":"7a255051a451abc7f35ff45547da640b02f9bbc86fbdd0d76263000718b3709a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2021-06-03T05:36:39Z","title_canon_sha256":"992df1f2e8f01ab1e49ade19754f8504c9efb21dc9908e47de26b9344e502e89"},"schema_version":"1.0","source":{"id":"2106.07552","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.07552","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"arxiv_version","alias_value":"2106.07552v1","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.07552","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_12","alias_value":"X7LEJ6OJUYQ5","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_16","alias_value":"X7LEJ6OJUYQ5RW7S","created_at":"2026-07-05T02:49:06Z"},{"alias_kind":"pith_short_8","alias_value":"X7LEJ6OJ","created_at":"2026-07-05T02:49:06Z"}],"graph_snapshots":[{"event_id":"sha256:b4105f0c062fd84269f7491213ba9725d97e9c12990288dd7bd384833161015a","target":"graph","created_at":"2026-07-05T02:49:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2106.07552/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially revolutionizing the autonomous vehicles and assistive robotic industry. A point cloud is a dense compilation of spatial data in 3D coordinates. It plays a vital role in modeling complex real-world scenes since it preserves structural information and avoids perspective distortion, unlike image data, which is the projection of a 3D structure on a 2D plane. In order","authors_text":"Aakash Kumar, Ajmal Mian, Jyoti Kini, Mubarak Shah","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2021-06-03T05:36:39Z","title":"PC-DAN: Point Cloud based Deep Affinity Network for 3D Multi-Object Tracking (Accepted as an extended abstract in JRDB-ACT Workshop at CVPR21)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.07552","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:f03fac8682d3396b027d333163d4cf5e065b07cd51c13927cd774d596dc749cf","target":"record","created_at":"2026-07-05T02:49:06Z","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":"7a255051a451abc7f35ff45547da640b02f9bbc86fbdd0d76263000718b3709a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2021-06-03T05:36:39Z","title_canon_sha256":"992df1f2e8f01ab1e49ade19754f8504c9efb21dc9908e47de26b9344e502e89"},"schema_version":"1.0","source":{"id":"2106.07552","kind":"arxiv","version":1}},"canonical_sha256":"bfd644f9c9a621d8dbf2b4d13fb2151eb383cbfd3cb8047011caecfa1edb8bd5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfd644f9c9a621d8dbf2b4d13fb2151eb383cbfd3cb8047011caecfa1edb8bd5","first_computed_at":"2026-07-05T02:49:06.164381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:49:06.164381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Xz/rmExPPLxXXtQQicF88dO7xgxS4+qusC47G/k2LGyk5NIFNDrGleG1xEqoB+MRHFQeTI6XyJuTcK7Qy/GCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:49:06.164752Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.07552","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f03fac8682d3396b027d333163d4cf5e065b07cd51c13927cd774d596dc749cf","sha256:b4105f0c062fd84269f7491213ba9725d97e9c12990288dd7bd384833161015a"],"state_sha256":"246a4ce8a4399489768381d0a3bfc843b0bf3a9d16d9f5cc9139913fd994fbe5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jr8PdQFo3e9EZ3gQQQXblBZARnNEr+NuTxYUfzbR5zNPVOMQD5i+3YpW4b4hyxR2Quf0WYkZM4TYj2Qo9JEXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:24:30.401236Z","bundle_sha256":"b89a421dfbd6cea41fb87f5dd45189d6298889c03475162bab3eafb71d13151b"}}