{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JGY6YRQ4SFMYPU3J77CQ6X2V5D","short_pith_number":"pith:JGY6YRQ4","canonical_record":{"source":{"id":"1804.02843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-09T06:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"d70701b20a1de80959096f1e970ee4211032f7a01e18ec09a173c2be232ac36b","abstract_canon_sha256":"1f9bcc086d074c78d3fd61297220f82a16e97117a6798dbc86d7dea67915409b"},"schema_version":"1.0"},"canonical_sha256":"49b1ec461c915987d369ffc50f5f55e8cb0719483982beecf8c149946d750c0e","source":{"kind":"arxiv","id":"1804.02843","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02843","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02843v2","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02843","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"JGY6YRQ4SFMY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGY6YRQ4SFMYPU3J","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGY6YRQ4","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JGY6YRQ4SFMYPU3J77CQ6X2V5D","target":"record","payload":{"canonical_record":{"source":{"id":"1804.02843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-09T06:49:48Z","cross_cats_sorted":[],"title_canon_sha256":"d70701b20a1de80959096f1e970ee4211032f7a01e18ec09a173c2be232ac36b","abstract_canon_sha256":"1f9bcc086d074c78d3fd61297220f82a16e97117a6798dbc86d7dea67915409b"},"schema_version":"1.0"},"canonical_sha256":"49b1ec461c915987d369ffc50f5f55e8cb0719483982beecf8c149946d750c0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:48.568888Z","signature_b64":"O4aC0Hi6VOoKaXNpCcD3o/qUw2CvTlWgSPZBIYE2/Cn0J/7xGYYPMrZWTG7JttiAiFJn+g7UjXfglz+WQLhECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49b1ec461c915987d369ffc50f5f55e8cb0719483982beecf8c149946d750c0e","last_reissued_at":"2026-05-18T00:18:48.568269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:48.568269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.02843","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":"2026-05-18T00:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HOy8c3CdbzqS6Dca11aVXOVoknFxAte3jAMfEY90W3Oi2lYeTWC7H6x7VyyqrHCVknnQVDU9SSkMhfismQ1BAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T11:12:15.532760Z"},"content_sha256":"c8cd0c3349a66372bf8522536b41b34e9c33fbdbd35cf62396612d5ed661736a","schema_version":"1.0","event_id":"sha256:c8cd0c3349a66372bf8522536b41b34e9c33fbdbd35cf62396612d5ed661736a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JGY6YRQ4SFMYPU3J77CQ6X2V5D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Viewpoint-aware Video Summarization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Atsushi Kanehira, Luc Van Gool, Tatsuya Harada, Yoshitaka Ushiku","submitted_at":"2018-04-09T06:49:48Z","abstract_excerpt":"This paper introduces a novel variant of video summarization, namely building a summary that depends on the particular aspect of a video the viewer focuses on. We refer to this as $\\textit{viewpoint}$. To infer what the desired $\\textit{viewpoint}$ may be, we assume that several other videos are available, especially groups of videos, e.g., as folders on a person's phone or laptop. The semantic similarity between videos in a group vs. the dissimilarity between groups is used to produce $\\textit{viewpoint}$-specific summaries. For considering similarity as well as avoiding redundancy, output su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02843","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":""},"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":"2026-05-18T00:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ggok1zsbB1lt0uWd/yPmmmQ68dajEiuBnlxuTzOgrQ6zTfyZxRTDJSiePtugQNGdvjGeS2l9hhrO9HndXQYvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T11:12:15.546023Z"},"content_sha256":"48fcb37255b22eedf1fc51a8e1c0e88b8913e87f75ec5c9fed842b83d7a34898","schema_version":"1.0","event_id":"sha256:48fcb37255b22eedf1fc51a8e1c0e88b8913e87f75ec5c9fed842b83d7a34898"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/bundle.json","state_url":"https://pith.science/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/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":"2026-06-28T11:12:15Z","links":{"resolver":"https://pith.science/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D","bundle":"https://pith.science/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/bundle.json","state":"https://pith.science/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGY6YRQ4SFMYPU3J77CQ6X2V5D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JGY6YRQ4SFMYPU3J77CQ6X2V5D","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":"1f9bcc086d074c78d3fd61297220f82a16e97117a6798dbc86d7dea67915409b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-09T06:49:48Z","title_canon_sha256":"d70701b20a1de80959096f1e970ee4211032f7a01e18ec09a173c2be232ac36b"},"schema_version":"1.0","source":{"id":"1804.02843","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02843","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02843v2","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02843","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"JGY6YRQ4SFMY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGY6YRQ4SFMYPU3J","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGY6YRQ4","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:48fcb37255b22eedf1fc51a8e1c0e88b8913e87f75ec5c9fed842b83d7a34898","target":"graph","created_at":"2026-05-18T00:18:48Z","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":"This paper introduces a novel variant of video summarization, namely building a summary that depends on the particular aspect of a video the viewer focuses on. We refer to this as $\\textit{viewpoint}$. To infer what the desired $\\textit{viewpoint}$ may be, we assume that several other videos are available, especially groups of videos, e.g., as folders on a person's phone or laptop. The semantic similarity between videos in a group vs. the dissimilarity between groups is used to produce $\\textit{viewpoint}$-specific summaries. For considering similarity as well as avoiding redundancy, output su","authors_text":"Atsushi Kanehira, Luc Van Gool, Tatsuya Harada, Yoshitaka Ushiku","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-09T06:49:48Z","title":"Viewpoint-aware Video Summarization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02843","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:c8cd0c3349a66372bf8522536b41b34e9c33fbdbd35cf62396612d5ed661736a","target":"record","created_at":"2026-05-18T00:18:48Z","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":"1f9bcc086d074c78d3fd61297220f82a16e97117a6798dbc86d7dea67915409b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-09T06:49:48Z","title_canon_sha256":"d70701b20a1de80959096f1e970ee4211032f7a01e18ec09a173c2be232ac36b"},"schema_version":"1.0","source":{"id":"1804.02843","kind":"arxiv","version":2}},"canonical_sha256":"49b1ec461c915987d369ffc50f5f55e8cb0719483982beecf8c149946d750c0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49b1ec461c915987d369ffc50f5f55e8cb0719483982beecf8c149946d750c0e","first_computed_at":"2026-05-18T00:18:48.568269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:48.568269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O4aC0Hi6VOoKaXNpCcD3o/qUw2CvTlWgSPZBIYE2/Cn0J/7xGYYPMrZWTG7JttiAiFJn+g7UjXfglz+WQLhECQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:48.568888Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.02843","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8cd0c3349a66372bf8522536b41b34e9c33fbdbd35cf62396612d5ed661736a","sha256:48fcb37255b22eedf1fc51a8e1c0e88b8913e87f75ec5c9fed842b83d7a34898"],"state_sha256":"e8192b9d8df653e261b4d503c67d2b43add0433e1fa44db60e46c3ed18aab47e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NHRvE+LN0H1yM1s4eb+xhziF/3091rnQZOboge501Hr8IUmci9p8G+0YSIDuQlibPcOIK1daiI1FlsrwgPwBDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T11:12:15.700489Z","bundle_sha256":"2e01c6d64cb5f02b7afec3fca0281040872cb251207430f14cda690d6d676d18"}}