{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HD7ECGGILWAQQ5627IZ7XMQT2G","short_pith_number":"pith:HD7ECGGI","canonical_record":{"source":{"id":"2404.18156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-04-28T12:13:34Z","cross_cats_sorted":[],"title_canon_sha256":"924ce339cccf9f2b32beb38feed5bb312f8cf9a01b00b74fbd4ffd330ba87875","abstract_canon_sha256":"38c2ea6079b3d06b2f47208b0d074cdd454f6f9350a5d2237064079c2634cfee"},"schema_version":"1.0"},"canonical_sha256":"38fe4118c85d810877dafa33fbb213d195d077591fa14cdcbed3dfdb9d7ffa8c","source":{"kind":"arxiv","id":"2404.18156","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18156","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18156v1","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18156","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"HD7ECGGILWAQ","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"HD7ECGGILWAQQ562","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"HD7ECGGI","created_at":"2026-07-05T08:12:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HD7ECGGILWAQQ5627IZ7XMQT2G","target":"record","payload":{"canonical_record":{"source":{"id":"2404.18156","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-04-28T12:13:34Z","cross_cats_sorted":[],"title_canon_sha256":"924ce339cccf9f2b32beb38feed5bb312f8cf9a01b00b74fbd4ffd330ba87875","abstract_canon_sha256":"38c2ea6079b3d06b2f47208b0d074cdd454f6f9350a5d2237064079c2634cfee"},"schema_version":"1.0"},"canonical_sha256":"38fe4118c85d810877dafa33fbb213d195d077591fa14cdcbed3dfdb9d7ffa8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:12:59.088395Z","signature_b64":"XzlCCoBZ18VTmnwlGRJioHahjs6C+BjBpB2uJR5Roogmvr4OfdifYARqhSoFjkbUza1Dh5+jR39E+n4idN4wAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38fe4118c85d810877dafa33fbb213d195d077591fa14cdcbed3dfdb9d7ffa8c","last_reissued_at":"2026-07-05T08:12:59.088026Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:12:59.088026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.18156","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":"2026-07-05T08:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3CbBWkGtOffWZ8Zg/Ks0Mu7xW8em4gEa02itTgnz+dFUGIovlzA1VURDg6pCiLPucy3O9QV9AVqc4/r6Gx1BBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T07:44:35.038556Z"},"content_sha256":"15745dd4545860ae308b3372db14956b6aa6da53ab9c65388fff3c67a9cef698","schema_version":"1.0","event_id":"sha256:15745dd4545860ae308b3372db14956b6aa6da53ab9c65388fff3c67a9cef698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HD7ECGGILWAQQ5627IZ7XMQT2G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Event-based Video Frame Interpolation with Edge Guided Motion Refinement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bochen Xie, Hao Chen, Yongjian Deng, Youfu Li, Yuhan Liu, Zhen Yang","submitted_at":"2024-04-28T12:13:34Z","abstract_excerpt":"Video frame interpolation, the process of synthesizing intermediate frames between sequential video frames, has made remarkable progress with the use of event cameras. These sensors, with microsecond-level temporal resolution, fill information gaps between frames by providing precise motion cues. However, contemporary Event-Based Video Frame Interpolation (E-VFI) techniques often neglect the fact that event data primarily supply high-confidence features at scene edges during multi-modal feature fusion, thereby diminishing the role of event signals in optical flow (OF) estimation and warping re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18156","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/2404.18156/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":"2026-07-05T08:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VUkuCNnHy13qGaw0s8GEzpeOM6wMCYERMGKiq4TwBvLKf8THsZ5h86qyGsdNKcAZ7cgQoQM2iq7QtaI9VQQnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T07:44:35.038954Z"},"content_sha256":"a118cd98a6ab6436201defeeef306bda6a6f7a0692ab530191a0af59e13191f5","schema_version":"1.0","event_id":"sha256:a118cd98a6ab6436201defeeef306bda6a6f7a0692ab530191a0af59e13191f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/bundle.json","state_url":"https://pith.science/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/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":"2026-07-11T07:44:35Z","links":{"resolver":"https://pith.science/pith/HD7ECGGILWAQQ5627IZ7XMQT2G","bundle":"https://pith.science/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/bundle.json","state":"https://pith.science/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HD7ECGGILWAQQ5627IZ7XMQT2G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HD7ECGGILWAQQ5627IZ7XMQT2G","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":"38c2ea6079b3d06b2f47208b0d074cdd454f6f9350a5d2237064079c2634cfee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-04-28T12:13:34Z","title_canon_sha256":"924ce339cccf9f2b32beb38feed5bb312f8cf9a01b00b74fbd4ffd330ba87875"},"schema_version":"1.0","source":{"id":"2404.18156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18156","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18156v1","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18156","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"HD7ECGGILWAQ","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"HD7ECGGILWAQQ562","created_at":"2026-07-05T08:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"HD7ECGGI","created_at":"2026-07-05T08:12:59Z"}],"graph_snapshots":[{"event_id":"sha256:a118cd98a6ab6436201defeeef306bda6a6f7a0692ab530191a0af59e13191f5","target":"graph","created_at":"2026-07-05T08:12:59Z","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/2404.18156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Video frame interpolation, the process of synthesizing intermediate frames between sequential video frames, has made remarkable progress with the use of event cameras. These sensors, with microsecond-level temporal resolution, fill information gaps between frames by providing precise motion cues. However, contemporary Event-Based Video Frame Interpolation (E-VFI) techniques often neglect the fact that event data primarily supply high-confidence features at scene edges during multi-modal feature fusion, thereby diminishing the role of event signals in optical flow (OF) estimation and warping re","authors_text":"Bochen Xie, Hao Chen, Yongjian Deng, Youfu Li, Yuhan Liu, Zhen Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-04-28T12:13:34Z","title":"Event-based Video Frame Interpolation with Edge Guided Motion Refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18156","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":"sha256:15745dd4545860ae308b3372db14956b6aa6da53ab9c65388fff3c67a9cef698","target":"record","created_at":"2026-07-05T08:12:59Z","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":"38c2ea6079b3d06b2f47208b0d074cdd454f6f9350a5d2237064079c2634cfee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-04-28T12:13:34Z","title_canon_sha256":"924ce339cccf9f2b32beb38feed5bb312f8cf9a01b00b74fbd4ffd330ba87875"},"schema_version":"1.0","source":{"id":"2404.18156","kind":"arxiv","version":1}},"canonical_sha256":"38fe4118c85d810877dafa33fbb213d195d077591fa14cdcbed3dfdb9d7ffa8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38fe4118c85d810877dafa33fbb213d195d077591fa14cdcbed3dfdb9d7ffa8c","first_computed_at":"2026-07-05T08:12:59.088026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:12:59.088026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XzlCCoBZ18VTmnwlGRJioHahjs6C+BjBpB2uJR5Roogmvr4OfdifYARqhSoFjkbUza1Dh5+jR39E+n4idN4wAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:12:59.088395Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.18156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15745dd4545860ae308b3372db14956b6aa6da53ab9c65388fff3c67a9cef698","sha256:a118cd98a6ab6436201defeeef306bda6a6f7a0692ab530191a0af59e13191f5"],"state_sha256":"89cfb39f598a2efb3d45abbe1022f57729b84bd822acbb29ded83988d1bec25a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ULjwcqK0JJHW6Defu81nESr4ncw06epnyGgbKNZbZbhbTf6oz383NMpRq+DbIOpWyT3+vkazCcVwSPlAn8uOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T07:44:35.041227Z","bundle_sha256":"8559d676c5eef8bcf74e9d64398e3c37f796fec0f4d8a6d6d09ad12b6392ee80"}}