{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:R6JHSUHIND23U5LSOGBM3N4R2N","short_pith_number":"pith:R6JHSUHI","canonical_record":{"source":{"id":"2311.17099","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-28T07:53:51Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"3b4bac85c05b9b790610aa8b79de976438afe31eee73a2c00c1981cef2d78c89","abstract_canon_sha256":"66a025b3b1ecf9d85d29c27e0e044fc088d7f1c540f48c60bf0e0e5f1a38b1f7"},"schema_version":"1.0"},"canonical_sha256":"8f927950e868f5ba75727182cdb791d34f4cc701f77947a9aea21a199ae761c1","source":{"kind":"arxiv","id":"2311.17099","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.17099","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2311.17099v1","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.17099","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"R6JHSUHIND23","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"R6JHSUHIND23U5LS","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"R6JHSUHI","created_at":"2026-07-05T07:17:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:R6JHSUHIND23U5LSOGBM3N4R2N","target":"record","payload":{"canonical_record":{"source":{"id":"2311.17099","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-28T07:53:51Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"3b4bac85c05b9b790610aa8b79de976438afe31eee73a2c00c1981cef2d78c89","abstract_canon_sha256":"66a025b3b1ecf9d85d29c27e0e044fc088d7f1c540f48c60bf0e0e5f1a38b1f7"},"schema_version":"1.0"},"canonical_sha256":"8f927950e868f5ba75727182cdb791d34f4cc701f77947a9aea21a199ae761c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:17:57.460831Z","signature_b64":"nj9CZ2x8pI1LlmSVtyrsyCewRvqkmF6cQxDucTb0wR2HELagzb1aAshzSvu6tppFAFdvtERwOrw/zlq/wN+aCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f927950e868f5ba75727182cdb791d34f4cc701f77947a9aea21a199ae761c1","last_reissued_at":"2026-07-05T07:17:57.460347Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:17:57.460347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.17099","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":"2026-07-05T07:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9HDIwYL0Wusq7Edc9CC/uCnhwchBX6klcVt0BOTxL4oWHWcdZdkecvHWHifur6cRba2QnOAhK1CFNeX2qN19Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:37:16.943222Z"},"content_sha256":"8b282f7a0f20e87798fd207bb97dcf2b41db3d8a6365a8d752704348c37cf1ce","schema_version":"1.0","event_id":"sha256:8b282f7a0f20e87798fd207bb97dcf2b41db3d8a6365a8d752704348c37cf1ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:R6JHSUHIND23U5LSOGBM3N4R2N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"StreamFlow: Streamlined Multi-Frame Optical Flow Estimation for Video Sequences","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Guoqing Liu, Huaxia Li, Jiaming Liu, Shangkun Sun, Thomas H. Li, Wei Gao","submitted_at":"2023-11-28T07:53:51Z","abstract_excerpt":"Occlusions between consecutive frames have long posed a significant challenge in optical flow estimation. The inherent ambiguity introduced by occlusions directly violates the brightness constancy constraint and considerably hinders pixel-to-pixel matching. To address this issue, multi-frame optical flow methods leverage adjacent frames to mitigate the local ambiguity. Nevertheless, prior multi-frame methods predominantly adopt recursive flow estimation, resulting in a considerable computational overlap. In contrast, we propose a streamlined in-batch framework that eliminates the need for exte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.17099","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/2311.17099/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":"2026-07-05T07:17:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iy9vK+QfN/FZ+xKdI1fq80/L/gMWBtI8ObI8Yy9vIF5GtJoJqf3sdL5Ytm1zbXJRPyX12ZYZwsKhBEYMWY9xDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:37:16.944107Z"},"content_sha256":"146fd12eec9a4e1cba16138fd524d3d1fc8fdbf25d171d527e2136d0aa3ac3ff","schema_version":"1.0","event_id":"sha256:146fd12eec9a4e1cba16138fd524d3d1fc8fdbf25d171d527e2136d0aa3ac3ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R6JHSUHIND23U5LSOGBM3N4R2N/bundle.json","state_url":"https://pith.science/pith/R6JHSUHIND23U5LSOGBM3N4R2N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R6JHSUHIND23U5LSOGBM3N4R2N/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":"2026-08-07T07:37:16Z","links":{"resolver":"https://pith.science/pith/R6JHSUHIND23U5LSOGBM3N4R2N","bundle":"https://pith.science/pith/R6JHSUHIND23U5LSOGBM3N4R2N/bundle.json","state":"https://pith.science/pith/R6JHSUHIND23U5LSOGBM3N4R2N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R6JHSUHIND23U5LSOGBM3N4R2N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:R6JHSUHIND23U5LSOGBM3N4R2N","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":"66a025b3b1ecf9d85d29c27e0e044fc088d7f1c540f48c60bf0e0e5f1a38b1f7","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-28T07:53:51Z","title_canon_sha256":"3b4bac85c05b9b790610aa8b79de976438afe31eee73a2c00c1981cef2d78c89"},"schema_version":"1.0","source":{"id":"2311.17099","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.17099","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"arxiv_version","alias_value":"2311.17099v1","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.17099","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_12","alias_value":"R6JHSUHIND23","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_16","alias_value":"R6JHSUHIND23U5LS","created_at":"2026-07-05T07:17:57Z"},{"alias_kind":"pith_short_8","alias_value":"R6JHSUHI","created_at":"2026-07-05T07:17:57Z"}],"graph_snapshots":[{"event_id":"sha256:146fd12eec9a4e1cba16138fd524d3d1fc8fdbf25d171d527e2136d0aa3ac3ff","target":"graph","created_at":"2026-07-05T07:17:57Z","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/2311.17099/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Occlusions between consecutive frames have long posed a significant challenge in optical flow estimation. The inherent ambiguity introduced by occlusions directly violates the brightness constancy constraint and considerably hinders pixel-to-pixel matching. To address this issue, multi-frame optical flow methods leverage adjacent frames to mitigate the local ambiguity. Nevertheless, prior multi-frame methods predominantly adopt recursive flow estimation, resulting in a considerable computational overlap. In contrast, we propose a streamlined in-batch framework that eliminates the need for exte","authors_text":"Guoqing Liu, Huaxia Li, Jiaming Liu, Shangkun Sun, Thomas H. Li, Wei Gao","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-28T07:53:51Z","title":"StreamFlow: Streamlined Multi-Frame Optical Flow Estimation for Video Sequences"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.17099","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":"sha256:8b282f7a0f20e87798fd207bb97dcf2b41db3d8a6365a8d752704348c37cf1ce","target":"record","created_at":"2026-07-05T07:17:57Z","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":"66a025b3b1ecf9d85d29c27e0e044fc088d7f1c540f48c60bf0e0e5f1a38b1f7","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-28T07:53:51Z","title_canon_sha256":"3b4bac85c05b9b790610aa8b79de976438afe31eee73a2c00c1981cef2d78c89"},"schema_version":"1.0","source":{"id":"2311.17099","kind":"arxiv","version":1}},"canonical_sha256":"8f927950e868f5ba75727182cdb791d34f4cc701f77947a9aea21a199ae761c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f927950e868f5ba75727182cdb791d34f4cc701f77947a9aea21a199ae761c1","first_computed_at":"2026-07-05T07:17:57.460347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:17:57.460347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nj9CZ2x8pI1LlmSVtyrsyCewRvqkmF6cQxDucTb0wR2HELagzb1aAshzSvu6tppFAFdvtERwOrw/zlq/wN+aCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:17:57.460831Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.17099","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b282f7a0f20e87798fd207bb97dcf2b41db3d8a6365a8d752704348c37cf1ce","sha256:146fd12eec9a4e1cba16138fd524d3d1fc8fdbf25d171d527e2136d0aa3ac3ff"],"state_sha256":"b0a778017760f5b12f73e28fab1c41b6acc9fdfaa3e838edda25dc2bf72d7e8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Vwxsyr1V7UvIvyt0miyeLd7xw7obu+Z798cvs3c9+2SVNn4cn9sSg1auQMqJ91lIaSeUNESfJ6xGTbPk5ifDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T07:37:16.954887Z","bundle_sha256":"35a23f9f42b79871d99c5fd3a90666484d290bc3acb780ad17e3cd9c4d7e9916"}}