{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QHKQ3CZT42Z5RZOGJPXRBODVCI","short_pith_number":"pith:QHKQ3CZT","canonical_record":{"source":{"id":"1903.09073","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-21T15:51:31Z","cross_cats_sorted":[],"title_canon_sha256":"d25ba7205a7fbe0507dbb51407264d6753bd961bc5d64f078550b34bc4c0b0e5","abstract_canon_sha256":"2bf6d7355bea16d0c45454a175cacaf0040dbd4862a7e4c9e21bfd56eced3c7c"},"schema_version":"1.0"},"canonical_sha256":"81d50d8b33e6b3d8e5c64bef10b87512354899f3827e45c9767eb8ca74695246","source":{"kind":"arxiv","id":"1903.09073","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09073","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09073v2","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09073","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_12","alias_value":"QHKQ3CZT42Z5","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_16","alias_value":"QHKQ3CZT42Z5RZOG","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_8","alias_value":"QHKQ3CZT","created_at":"2026-07-04T23:51:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QHKQ3CZT42Z5RZOGJPXRBODVCI","target":"record","payload":{"canonical_record":{"source":{"id":"1903.09073","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-21T15:51:31Z","cross_cats_sorted":[],"title_canon_sha256":"d25ba7205a7fbe0507dbb51407264d6753bd961bc5d64f078550b34bc4c0b0e5","abstract_canon_sha256":"2bf6d7355bea16d0c45454a175cacaf0040dbd4862a7e4c9e21bfd56eced3c7c"},"schema_version":"1.0"},"canonical_sha256":"81d50d8b33e6b3d8e5c64bef10b87512354899f3827e45c9767eb8ca74695246","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:51:21.618231Z","signature_b64":"eAus+cLjfo/fW22GKHVp+0/xkINwucgjY82KtuV9+d0xIZy8StcgXCpgAOuvWddg4Yumx1WRSD8yKCAH5C4hCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81d50d8b33e6b3d8e5c64bef10b87512354899f3827e45c9767eb8ca74695246","last_reissued_at":"2026-07-04T23:51:21.617734Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:51:21.617734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.09073","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":"2026-07-04T23:51:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogGhG0VhqbeZ4MrYPs589tSOt7Sh+c+8egpQyJT4OXnBC3z6c86/wluUXSrjOs/lRdkFY+Xnj4ZZy5cLgXRHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T15:46:16.222366Z"},"content_sha256":"bf43f4ccb9bb9eaac60099799f257394d5407d5f46e040db1dca48abcfa0e1e4","schema_version":"1.0","event_id":"sha256:bf43f4ccb9bb9eaac60099799f257394d5407d5f46e040db1dca48abcfa0e1e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QHKQ3CZT42Z5RZOGJPXRBODVCI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quotienting Impertinent Camera Kinematics for 3D Video Stabilization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Christian Wuelker, Gregory S. Chirikjian, Jin Seob Kim, Sipu Ruan, Thomas W. Mitchel","submitted_at":"2019-03-21T15:51:31Z","abstract_excerpt":"With the recent advent of methods that allow for real-time computation, dense 3D flows have become a viable basis for fast camera motion estimation. Most importantly, dense flows are more robust than the sparse feature matching techniques used by existing 3D stabilization methods, able to better handle large camera displacements and occlusions similar to those often found in consumer videos. Here we introduce a framework for 3D video stabilization that relies on dense scene flow alone. The foundation of this approach is a novel camera motion model that allows for real-world camera poses to be "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09073","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/1903.09073/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":"2026-07-04T23:51:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NWOxudKXtkWb/1mCuVYT3pGO4BvBBak1SCsXMBdUyCTKWDZ+1BLRISOHc71V1JWXrGVA+60NuMXbzfau36noCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T15:46:16.222883Z"},"content_sha256":"48473481e205e2e7ddf2d24976d7381b7f746bae9f30b02e17b1fe3da6684681","schema_version":"1.0","event_id":"sha256:48473481e205e2e7ddf2d24976d7381b7f746bae9f30b02e17b1fe3da6684681"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/bundle.json","state_url":"https://pith.science/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/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":"2026-08-22T15:46:16Z","links":{"resolver":"https://pith.science/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI","bundle":"https://pith.science/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/bundle.json","state":"https://pith.science/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHKQ3CZT42Z5RZOGJPXRBODVCI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QHKQ3CZT42Z5RZOGJPXRBODVCI","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":"2bf6d7355bea16d0c45454a175cacaf0040dbd4862a7e4c9e21bfd56eced3c7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-21T15:51:31Z","title_canon_sha256":"d25ba7205a7fbe0507dbb51407264d6753bd961bc5d64f078550b34bc4c0b0e5"},"schema_version":"1.0","source":{"id":"1903.09073","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09073","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09073v2","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09073","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_12","alias_value":"QHKQ3CZT42Z5","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_16","alias_value":"QHKQ3CZT42Z5RZOG","created_at":"2026-07-04T23:51:21Z"},{"alias_kind":"pith_short_8","alias_value":"QHKQ3CZT","created_at":"2026-07-04T23:51:21Z"}],"graph_snapshots":[{"event_id":"sha256:48473481e205e2e7ddf2d24976d7381b7f746bae9f30b02e17b1fe3da6684681","target":"graph","created_at":"2026-07-04T23:51:21Z","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/1903.09073/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the recent advent of methods that allow for real-time computation, dense 3D flows have become a viable basis for fast camera motion estimation. Most importantly, dense flows are more robust than the sparse feature matching techniques used by existing 3D stabilization methods, able to better handle large camera displacements and occlusions similar to those often found in consumer videos. Here we introduce a framework for 3D video stabilization that relies on dense scene flow alone. The foundation of this approach is a novel camera motion model that allows for real-world camera poses to be ","authors_text":"Christian Wuelker, Gregory S. Chirikjian, Jin Seob Kim, Sipu Ruan, Thomas W. Mitchel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-21T15:51:31Z","title":"Quotienting Impertinent Camera Kinematics for 3D Video Stabilization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09073","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:bf43f4ccb9bb9eaac60099799f257394d5407d5f46e040db1dca48abcfa0e1e4","target":"record","created_at":"2026-07-04T23:51:21Z","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":"2bf6d7355bea16d0c45454a175cacaf0040dbd4862a7e4c9e21bfd56eced3c7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-21T15:51:31Z","title_canon_sha256":"d25ba7205a7fbe0507dbb51407264d6753bd961bc5d64f078550b34bc4c0b0e5"},"schema_version":"1.0","source":{"id":"1903.09073","kind":"arxiv","version":2}},"canonical_sha256":"81d50d8b33e6b3d8e5c64bef10b87512354899f3827e45c9767eb8ca74695246","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81d50d8b33e6b3d8e5c64bef10b87512354899f3827e45c9767eb8ca74695246","first_computed_at":"2026-07-04T23:51:21.617734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:51:21.617734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eAus+cLjfo/fW22GKHVp+0/xkINwucgjY82KtuV9+d0xIZy8StcgXCpgAOuvWddg4Yumx1WRSD8yKCAH5C4hCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:51:21.618231Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.09073","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf43f4ccb9bb9eaac60099799f257394d5407d5f46e040db1dca48abcfa0e1e4","sha256:48473481e205e2e7ddf2d24976d7381b7f746bae9f30b02e17b1fe3da6684681"],"state_sha256":"d8e6d9e16f1f40af7f760a8ea5b81d442740a186ee6df489cf7098a34aabb960"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5mWpd3Ef4vuik5YW3ZO0mxL6J3AXld6IxnCDapGozU36yZwBWgwpk1tnOFPSYnoi8zCjaXNDhp6ok9axyzWbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T15:46:16.226829Z","bundle_sha256":"8e07f5c348917c13bc37716017fef45ab22706b4addcb62dc678f78c14223797"}}