{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:GCMY564PHEBOGVFL4KO7RACZJ6","short_pith_number":"pith:GCMY564P","canonical_record":{"source":{"id":"2111.01029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-11-01T15:32:51Z","cross_cats_sorted":[],"title_canon_sha256":"171634101c13f76bd258e298268617161c3ce21b05b18bcf45d214fb5e63fe66","abstract_canon_sha256":"aa07a5be4e0bd573a0ca85fc967a1d5abfdf12c0354b2d551abdcf1f1ac48f66"},"schema_version":"1.0"},"canonical_sha256":"30998efb8f3902e354abe29df880594fa1b33dbe56092931aae423fbd6947ea8","source":{"kind":"arxiv","id":"2111.01029","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.01029","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"arxiv_version","alias_value":"2111.01029v1","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01029","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_12","alias_value":"GCMY564PHEBO","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"GCMY564PHEBOGVFL","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"GCMY564P","created_at":"2026-07-05T03:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:GCMY564PHEBOGVFL4KO7RACZJ6","target":"record","payload":{"canonical_record":{"source":{"id":"2111.01029","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-11-01T15:32:51Z","cross_cats_sorted":[],"title_canon_sha256":"171634101c13f76bd258e298268617161c3ce21b05b18bcf45d214fb5e63fe66","abstract_canon_sha256":"aa07a5be4e0bd573a0ca85fc967a1d5abfdf12c0354b2d551abdcf1f1ac48f66"},"schema_version":"1.0"},"canonical_sha256":"30998efb8f3902e354abe29df880594fa1b33dbe56092931aae423fbd6947ea8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:52.827522Z","signature_b64":"ZZZTa8mgeRcCxiTOEP8ZvOrfIQyExvDXiRzCywD/iAF0k5R0/H9ByMq5GCtrerYZ6E+jxqdkiINtk2RRrGmjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30998efb8f3902e354abe29df880594fa1b33dbe56092931aae423fbd6947ea8","last_reissued_at":"2026-07-05T03:27:52.827015Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:52.827015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.01029","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":"2026-07-05T03:27:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4yJTbHasVQpoaj8S09IpNABHCEQbQyNhjIiKtVRNbsqzBGDY3AWxaS4+Hu2/1Rlt8wdJSDdS+/Ku1Wxkjht3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-23T08:50:11.337343Z"},"content_sha256":"4c289ffbf8e87bc3ef0fd93a5943e2d9c8070883917130a165015dd820bbb2c9","schema_version":"1.0","event_id":"sha256:4c289ffbf8e87bc3ef0fd93a5943e2d9c8070883917130a165015dd820bbb2c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:GCMY564PHEBOGVFL4KO7RACZJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Render In-between: Motion Guided Video Synthesis for Action Interpolation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hsuan-I Ho, Jie Song, Otmar Hilliges, Xu Chen","submitted_at":"2021-11-01T15:32:51Z","abstract_excerpt":"Upsampling videos of human activity is an interesting yet challenging task with many potential applications ranging from gaming to entertainment and sports broadcasting. The main difficulty in synthesizing video frames in this setting stems from the highly complex and non-linear nature of human motion and the complex appearance and texture of the body. We propose to address these issues in a motion-guided frame-upsampling framework that is capable of producing realistic human motion and appearance. A novel motion model is trained to inference the non-linear skeletal motion between frames by le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01029","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/2111.01029/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":"2026-07-05T03:27:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bfaBv3VadD7ZHRJ/7IdL2AfvLX2HAwUcDLdzcXc6fIeWRLYIUSGjlTVkDGhnomLBALuVvC1vz2yVGpW/RkWDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-23T08:50:11.337721Z"},"content_sha256":"16bebe07c30475eeb5af9f5ac184a74e6bcee85b3e030a1ecf3fe28bc73e5f19","schema_version":"1.0","event_id":"sha256:16bebe07c30475eeb5af9f5ac184a74e6bcee85b3e030a1ecf3fe28bc73e5f19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GCMY564PHEBOGVFL4KO7RACZJ6/bundle.json","state_url":"https://pith.science/pith/GCMY564PHEBOGVFL4KO7RACZJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GCMY564PHEBOGVFL4KO7RACZJ6/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":"2026-07-23T08:50:11Z","links":{"resolver":"https://pith.science/pith/GCMY564PHEBOGVFL4KO7RACZJ6","bundle":"https://pith.science/pith/GCMY564PHEBOGVFL4KO7RACZJ6/bundle.json","state":"https://pith.science/pith/GCMY564PHEBOGVFL4KO7RACZJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GCMY564PHEBOGVFL4KO7RACZJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:GCMY564PHEBOGVFL4KO7RACZJ6","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":"aa07a5be4e0bd573a0ca85fc967a1d5abfdf12c0354b2d551abdcf1f1ac48f66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-11-01T15:32:51Z","title_canon_sha256":"171634101c13f76bd258e298268617161c3ce21b05b18bcf45d214fb5e63fe66"},"schema_version":"1.0","source":{"id":"2111.01029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.01029","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"arxiv_version","alias_value":"2111.01029v1","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01029","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_12","alias_value":"GCMY564PHEBO","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"GCMY564PHEBOGVFL","created_at":"2026-07-05T03:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"GCMY564P","created_at":"2026-07-05T03:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:16bebe07c30475eeb5af9f5ac184a74e6bcee85b3e030a1ecf3fe28bc73e5f19","target":"graph","created_at":"2026-07-05T03:27:52Z","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/2111.01029/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Upsampling videos of human activity is an interesting yet challenging task with many potential applications ranging from gaming to entertainment and sports broadcasting. The main difficulty in synthesizing video frames in this setting stems from the highly complex and non-linear nature of human motion and the complex appearance and texture of the body. We propose to address these issues in a motion-guided frame-upsampling framework that is capable of producing realistic human motion and appearance. A novel motion model is trained to inference the non-linear skeletal motion between frames by le","authors_text":"Hsuan-I Ho, Jie Song, Otmar Hilliges, Xu Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-11-01T15:32:51Z","title":"Render In-between: Motion Guided Video Synthesis for Action Interpolation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01029","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":"sha256:4c289ffbf8e87bc3ef0fd93a5943e2d9c8070883917130a165015dd820bbb2c9","target":"record","created_at":"2026-07-05T03:27:52Z","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":"aa07a5be4e0bd573a0ca85fc967a1d5abfdf12c0354b2d551abdcf1f1ac48f66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-11-01T15:32:51Z","title_canon_sha256":"171634101c13f76bd258e298268617161c3ce21b05b18bcf45d214fb5e63fe66"},"schema_version":"1.0","source":{"id":"2111.01029","kind":"arxiv","version":1}},"canonical_sha256":"30998efb8f3902e354abe29df880594fa1b33dbe56092931aae423fbd6947ea8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30998efb8f3902e354abe29df880594fa1b33dbe56092931aae423fbd6947ea8","first_computed_at":"2026-07-05T03:27:52.827015Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:27:52.827015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZZTa8mgeRcCxiTOEP8ZvOrfIQyExvDXiRzCywD/iAF0k5R0/H9ByMq5GCtrerYZ6E+jxqdkiINtk2RRrGmjDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:27:52.827522Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.01029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c289ffbf8e87bc3ef0fd93a5943e2d9c8070883917130a165015dd820bbb2c9","sha256:16bebe07c30475eeb5af9f5ac184a74e6bcee85b3e030a1ecf3fe28bc73e5f19"],"state_sha256":"fb03c77bf11073cc97f194493dfa40f0c087c319e4ebe2a7ba9978a8e3661fdf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LDyojAVkTmqc2lsAD+IXFpdTNokUqs7qneO3O87KQ1CVsiX4cDmKgSJY2cPCZZDNCdaNSANjAU1YeDHy0UkkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-23T08:50:11.340353Z","bundle_sha256":"1a60cbd9c11d2e8765ff6145c02a482aabe146d8e89dbc1578854fcf7241a6b0"}}