{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CYHDLVBFGMOGSKX4GIGKATBITR","short_pith_number":"pith:CYHDLVBF","canonical_record":{"source":{"id":"1905.06567","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-16T07:23:20Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"8097daac06f8df364d8366f5bf0a792c0a5c2e5b5130e600868dbccb5df11cf2","abstract_canon_sha256":"c6223f2fa7d7972804a6ea6e95d042846be134f2d13fd0cacabb1d65695c6920"},"schema_version":"1.0"},"canonical_sha256":"160e35d425331c692afc320ca04c289c636b476afd02977b39754e866ccb23f4","source":{"kind":"arxiv","id":"1905.06567","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.06567","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"arxiv_version","alias_value":"1905.06567v1","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.06567","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"pith_short_12","alias_value":"CYHDLVBFGMOG","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CYHDLVBFGMOGSKX4","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CYHDLVBF","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CYHDLVBFGMOGSKX4GIGKATBITR","target":"record","payload":{"canonical_record":{"source":{"id":"1905.06567","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-16T07:23:20Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"8097daac06f8df364d8366f5bf0a792c0a5c2e5b5130e600868dbccb5df11cf2","abstract_canon_sha256":"c6223f2fa7d7972804a6ea6e95d042846be134f2d13fd0cacabb1d65695c6920"},"schema_version":"1.0"},"canonical_sha256":"160e35d425331c692afc320ca04c289c636b476afd02977b39754e866ccb23f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:01.849877Z","signature_b64":"76sbNnj8S6UcUNdD0Y+lvXgcAk+4DCqD3trPlTH5MO5u+s6ncbEI4qfYkLJ0x+1ZnFgq39lBJ+8hA1JP5jJVAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"160e35d425331c692afc320ca04c289c636b476afd02977b39754e866ccb23f4","last_reissued_at":"2026-05-17T23:46:01.849216Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:01.849216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.06567","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":"2026-05-17T23:46:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bIDoU+KWUpLvsNAFxbQhCIvoPNMU3qlYMwBB7pc9Dgms9IrE5oFt1F7QXCh8ejs5Eam9/O+3z/O272OOSQvwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:41:57.138236Z"},"content_sha256":"d93602773d0ab5125bcadaa21cfe38cc48d100818fc0d12827eeb78109dfadf4","schema_version":"1.0","event_id":"sha256:d93602773d0ab5125bcadaa21cfe38cc48d100818fc0d12827eeb78109dfadf4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CYHDLVBFGMOGSKX4GIGKATBITR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Reference Generation with Multi-Domain Hierarchical Constraints for Inter Prediction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Jiaying Liu, Sifeng Xia, Wenhan Yang","submitted_at":"2019-05-16T07:23:20Z","abstract_excerpt":"Inter prediction is an important module in video coding for temporal redundancy removal, where similar reference blocks are searched from previously coded frames and employed to predict the block to be coded. Although traditional video codecs can estimate and compensate for block-level motions, their inter prediction performance is still heavily affected by the remaining inconsistent pixel-wise displacement caused by irregular rotation and deformation. In this paper, we address the problem by proposing a deep frame interpolation network to generate additional reference frames in coding scenari"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.06567","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":""},"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":"2026-05-17T23:46:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5G4Zey/TZTZm4D21hSUTS0D6B7M5soFOVuUujFCdAetV1IexwW/ZGPp/+csalvC6MFsyPwir1Z0STb4uAaSTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T06:41:57.139094Z"},"content_sha256":"c5f3761f3cfdd59b373793957f5e1abdf8b231f7094ad7bd3d0a5f2ea67498ae","schema_version":"1.0","event_id":"sha256:c5f3761f3cfdd59b373793957f5e1abdf8b231f7094ad7bd3d0a5f2ea67498ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYHDLVBFGMOGSKX4GIGKATBITR/bundle.json","state_url":"https://pith.science/pith/CYHDLVBFGMOGSKX4GIGKATBITR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYHDLVBFGMOGSKX4GIGKATBITR/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":"2026-06-10T06:41:57Z","links":{"resolver":"https://pith.science/pith/CYHDLVBFGMOGSKX4GIGKATBITR","bundle":"https://pith.science/pith/CYHDLVBFGMOGSKX4GIGKATBITR/bundle.json","state":"https://pith.science/pith/CYHDLVBFGMOGSKX4GIGKATBITR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYHDLVBFGMOGSKX4GIGKATBITR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CYHDLVBFGMOGSKX4GIGKATBITR","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":"c6223f2fa7d7972804a6ea6e95d042846be134f2d13fd0cacabb1d65695c6920","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-16T07:23:20Z","title_canon_sha256":"8097daac06f8df364d8366f5bf0a792c0a5c2e5b5130e600868dbccb5df11cf2"},"schema_version":"1.0","source":{"id":"1905.06567","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.06567","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"arxiv_version","alias_value":"1905.06567v1","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.06567","created_at":"2026-05-17T23:46:01Z"},{"alias_kind":"pith_short_12","alias_value":"CYHDLVBFGMOG","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CYHDLVBFGMOGSKX4","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CYHDLVBF","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:c5f3761f3cfdd59b373793957f5e1abdf8b231f7094ad7bd3d0a5f2ea67498ae","target":"graph","created_at":"2026-05-17T23:46:01Z","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"},"paper":{"abstract_excerpt":"Inter prediction is an important module in video coding for temporal redundancy removal, where similar reference blocks are searched from previously coded frames and employed to predict the block to be coded. Although traditional video codecs can estimate and compensate for block-level motions, their inter prediction performance is still heavily affected by the remaining inconsistent pixel-wise displacement caused by irregular rotation and deformation. In this paper, we address the problem by proposing a deep frame interpolation network to generate additional reference frames in coding scenari","authors_text":"Jiaying Liu, Sifeng Xia, Wenhan Yang","cross_cats":["eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-16T07:23:20Z","title":"Deep Reference Generation with Multi-Domain Hierarchical Constraints for Inter Prediction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.06567","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:d93602773d0ab5125bcadaa21cfe38cc48d100818fc0d12827eeb78109dfadf4","target":"record","created_at":"2026-05-17T23:46:01Z","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":"c6223f2fa7d7972804a6ea6e95d042846be134f2d13fd0cacabb1d65695c6920","cross_cats_sorted":["eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-16T07:23:20Z","title_canon_sha256":"8097daac06f8df364d8366f5bf0a792c0a5c2e5b5130e600868dbccb5df11cf2"},"schema_version":"1.0","source":{"id":"1905.06567","kind":"arxiv","version":1}},"canonical_sha256":"160e35d425331c692afc320ca04c289c636b476afd02977b39754e866ccb23f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"160e35d425331c692afc320ca04c289c636b476afd02977b39754e866ccb23f4","first_computed_at":"2026-05-17T23:46:01.849216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:01.849216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"76sbNnj8S6UcUNdD0Y+lvXgcAk+4DCqD3trPlTH5MO5u+s6ncbEI4qfYkLJ0x+1ZnFgq39lBJ+8hA1JP5jJVAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:01.849877Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.06567","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d93602773d0ab5125bcadaa21cfe38cc48d100818fc0d12827eeb78109dfadf4","sha256:c5f3761f3cfdd59b373793957f5e1abdf8b231f7094ad7bd3d0a5f2ea67498ae"],"state_sha256":"0a9b1fbc28748164ae298fce893e4bbcfbaa23030a367a9818b934cd3975c354"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zOXIq314TXbR8lKJbbxSSaWwcLfUGONP7n4l4faKLGtKKUqNiwNlv7fZKyqayvZyY0VDyM41bHmyCGp/atERBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T06:41:57.143395Z","bundle_sha256":"af76d6126d6ce16c0864959cc09fe0431052792014b2a737b4596448b6bb44b4"}}