{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:LNAQU7SDKC5V6IRUCWHIB6AXSF","short_pith_number":"pith:LNAQU7SD","canonical_record":{"source":{"id":"2305.17432","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-05-27T10:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"dffbbbc2f735c7c1e2428adb2bfa9f78c2122f8dab0dd0f679147d8e9f8ab968","abstract_canon_sha256":"e54ba404c911110a4ef5749ec2043e428ebcd6823cc7ecf2e829296b15cb020a"},"schema_version":"1.0"},"canonical_sha256":"5b410a7e4350bb5f2234158e80f817915b926355332f236a4397ec64501326b1","source":{"kind":"arxiv","id":"2305.17432","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17432","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17432v2","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17432","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"LNAQU7SDKC5V","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_16","alias_value":"LNAQU7SDKC5V6IRU","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_8","alias_value":"LNAQU7SD","created_at":"2026-07-05T07:06:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:LNAQU7SDKC5V6IRUCWHIB6AXSF","target":"record","payload":{"canonical_record":{"source":{"id":"2305.17432","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-05-27T10:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"dffbbbc2f735c7c1e2428adb2bfa9f78c2122f8dab0dd0f679147d8e9f8ab968","abstract_canon_sha256":"e54ba404c911110a4ef5749ec2043e428ebcd6823cc7ecf2e829296b15cb020a"},"schema_version":"1.0"},"canonical_sha256":"5b410a7e4350bb5f2234158e80f817915b926355332f236a4397ec64501326b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:06:28.289678Z","signature_b64":"77kTZIATcuRD2LAfCimwnP/1iDGF4JdEWhUTK11XAHvXQ9VopbYtz2LTjjmJ0LB567qNTLoRs5e26zP42KHwAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b410a7e4350bb5f2234158e80f817915b926355332f236a4397ec64501326b1","last_reissued_at":"2026-07-05T07:06:28.289143Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:06:28.289143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.17432","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cl1LLZO9a/o8mGw04VDIqF5GLwpv85V+OLx4IBwkXsne4Pfv8MzcAubQUlUi8ZTZcuYkzM7Punozv42x69ZJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:01:57.697451Z"},"content_sha256":"1ba74243e9359e9ab0b43c5d3f2bddaebff1016ff9440ba961ccf6d021b34d14","schema_version":"1.0","event_id":"sha256:1ba74243e9359e9ab0b43c5d3f2bddaebff1016ff9440ba961ccf6d021b34d14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:LNAQU7SDKC5V6IRUCWHIB6AXSF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GMSF: Global Matching Scene Flow","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bastian Wandt, Johan Edstedt, Maria Magnusson, Michael Felsberg, Per-Erik Forss\\'en, Yushan Zhang","submitted_at":"2023-05-27T10:04:21Z","abstract_excerpt":"We tackle the task of scene flow estimation from point clouds. Given a source and a target point cloud, the objective is to estimate a translation from each point in the source point cloud to the target, resulting in a 3D motion vector field. Previous dominant scene flow estimation methods require complicated coarse-to-fine or recurrent architectures as a multi-stage refinement. In contrast, we propose a significantly simpler single-scale one-shot global matching to address the problem. Our key finding is that reliable feature similarity between point pairs is essential and sufficient to estim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17432","kind":"arxiv","version":2},"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/2305.17432/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":"2026-07-05T07:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ft7TohOcV37JMAuEUUtlyscST30Yx69xWE24nc09O3iItj4Sos0c01VUvBkwslNQoZKqYrY7wNiWtDXixZesCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:01:57.697826Z"},"content_sha256":"abaa154cad414fec6d7356a74b147cd6a6476be9fe489bb1be028f466fb8a35a","schema_version":"1.0","event_id":"sha256:abaa154cad414fec6d7356a74b147cd6a6476be9fe489bb1be028f466fb8a35a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/bundle.json","state_url":"https://pith.science/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/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":"2026-07-06T19:01:57Z","links":{"resolver":"https://pith.science/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF","bundle":"https://pith.science/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/bundle.json","state":"https://pith.science/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNAQU7SDKC5V6IRUCWHIB6AXSF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LNAQU7SDKC5V6IRUCWHIB6AXSF","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":"e54ba404c911110a4ef5749ec2043e428ebcd6823cc7ecf2e829296b15cb020a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-05-27T10:04:21Z","title_canon_sha256":"dffbbbc2f735c7c1e2428adb2bfa9f78c2122f8dab0dd0f679147d8e9f8ab968"},"schema_version":"1.0","source":{"id":"2305.17432","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17432","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17432v2","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17432","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"LNAQU7SDKC5V","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_16","alias_value":"LNAQU7SDKC5V6IRU","created_at":"2026-07-05T07:06:28Z"},{"alias_kind":"pith_short_8","alias_value":"LNAQU7SD","created_at":"2026-07-05T07:06:28Z"}],"graph_snapshots":[{"event_id":"sha256:abaa154cad414fec6d7356a74b147cd6a6476be9fe489bb1be028f466fb8a35a","target":"graph","created_at":"2026-07-05T07:06:28Z","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/2305.17432/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We tackle the task of scene flow estimation from point clouds. Given a source and a target point cloud, the objective is to estimate a translation from each point in the source point cloud to the target, resulting in a 3D motion vector field. Previous dominant scene flow estimation methods require complicated coarse-to-fine or recurrent architectures as a multi-stage refinement. In contrast, we propose a significantly simpler single-scale one-shot global matching to address the problem. Our key finding is that reliable feature similarity between point pairs is essential and sufficient to estim","authors_text":"Bastian Wandt, Johan Edstedt, Maria Magnusson, Michael Felsberg, Per-Erik Forss\\'en, Yushan Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-05-27T10:04:21Z","title":"GMSF: Global Matching Scene Flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17432","kind":"arxiv","version":2},"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":"sha256:1ba74243e9359e9ab0b43c5d3f2bddaebff1016ff9440ba961ccf6d021b34d14","target":"record","created_at":"2026-07-05T07:06:28Z","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":"e54ba404c911110a4ef5749ec2043e428ebcd6823cc7ecf2e829296b15cb020a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2023-05-27T10:04:21Z","title_canon_sha256":"dffbbbc2f735c7c1e2428adb2bfa9f78c2122f8dab0dd0f679147d8e9f8ab968"},"schema_version":"1.0","source":{"id":"2305.17432","kind":"arxiv","version":2}},"canonical_sha256":"5b410a7e4350bb5f2234158e80f817915b926355332f236a4397ec64501326b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b410a7e4350bb5f2234158e80f817915b926355332f236a4397ec64501326b1","first_computed_at":"2026-07-05T07:06:28.289143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:06:28.289143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"77kTZIATcuRD2LAfCimwnP/1iDGF4JdEWhUTK11XAHvXQ9VopbYtz2LTjjmJ0LB567qNTLoRs5e26zP42KHwAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:06:28.289678Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.17432","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ba74243e9359e9ab0b43c5d3f2bddaebff1016ff9440ba961ccf6d021b34d14","sha256:abaa154cad414fec6d7356a74b147cd6a6476be9fe489bb1be028f466fb8a35a"],"state_sha256":"38c5f53e8de222cd6e78fa26ff957b99b65bb4547c13b5d324c891201479467d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2DIUQq6VPetW2+eQFWLGlN91rQnntnQq/3y2z33QtwKoVppN2wL3kTzQzGcmosNP45FT+bFMWCdUhI1CX9SHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:01:57.699727Z","bundle_sha256":"ae440b8063830a6b7557919d75b3d71032c6a388b4526b82d461382313808e9c"}}