{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:WDYBY5JW6ONUMWQXXFZQDNK2NF","short_pith_number":"pith:WDYBY5JW","canonical_record":{"source":{"id":"2012.12554","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-23T09:31:40Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"40ae2485e11ecb9fc71964c9426a37782371ac3ba185a7eb8f5719cdc1adb7ff","abstract_canon_sha256":"9f47183d4ccebb87710d7ad9e26adaaf84b4882ea1ea84660f2a30ac57f467eb"},"schema_version":"1.0"},"canonical_sha256":"b0f01c7536f39b465a17b97301b55a6957d25cf54c839a7220741d1983c3b68c","source":{"kind":"arxiv","id":"2012.12554","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.12554","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"2012.12554v1","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.12554","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"WDYBY5JW6ONU","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_16","alias_value":"WDYBY5JW6ONUMWQX","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_8","alias_value":"WDYBY5JW","created_at":"2026-07-05T02:01:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:WDYBY5JW6ONUMWQXXFZQDNK2NF","target":"record","payload":{"canonical_record":{"source":{"id":"2012.12554","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-23T09:31:40Z","cross_cats_sorted":["cs.HC"],"title_canon_sha256":"40ae2485e11ecb9fc71964c9426a37782371ac3ba185a7eb8f5719cdc1adb7ff","abstract_canon_sha256":"9f47183d4ccebb87710d7ad9e26adaaf84b4882ea1ea84660f2a30ac57f467eb"},"schema_version":"1.0"},"canonical_sha256":"b0f01c7536f39b465a17b97301b55a6957d25cf54c839a7220741d1983c3b68c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:01:37.514469Z","signature_b64":"NwCbMWGh143MoZQVjaNmkNZ9/IjbL8KXYBIkK8c21vAur8MNXqpy9JXgjhskFElgnA+ZbttDnX8SQKQq55w/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f01c7536f39b465a17b97301b55a6957d25cf54c839a7220741d1983c3b68c","last_reissued_at":"2026-07-05T02:01:37.514027Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:01:37.514027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.12554","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":"2026-07-05T02:01:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZycWkDNXu+Cjv2YhgdDH2y2J6qJyKjqUI1AOdi3Km74aYFnznliR7o+do8NrPSzsDg6pXtZ2X2cxd2dK3B8xBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:34:56.687664Z"},"content_sha256":"b57c5a2cc513ecf77cc9a15789411c7cfc86e9f27732590fa000a50e51036f45","schema_version":"1.0","event_id":"sha256:b57c5a2cc513ecf77cc9a15789411c7cfc86e9f27732590fa000a50e51036f45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:WDYBY5JW6ONUMWQXXFZQDNK2NF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient video annotation with visual interpolation and frame selection guidance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.HC"],"primary_cat":"cs.CV","authors_text":"A. Kuznetsova, A. Talati, K. Simmons, V. Ferrari, Y. Luo","submitted_at":"2020-12-23T09:31:40Z","abstract_excerpt":"We introduce a unified framework for generic video annotation with bounding boxes. Video annotation is a longstanding problem, as it is a tedious and time-consuming process. We tackle two important challenges of video annotation: (1) automatic temporal interpolation and extrapolation of bounding boxes provided by a human annotator on a subset of all frames, and (2) automatic selection of frames to annotate manually. Our contribution is two-fold: first, we propose a model that has both interpolating and extrapolating capabilities; second, we propose a guiding mechanism that sequentially generat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.12554","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/2012.12554/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":"2026-07-05T02:01:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W23GIMg6/wheWD2mmf+mPLf9Tp1m1LQMLyZAU4RUOJ29FitOqzZwSWPEbaQInjgmfkXH8sgn/GkaGfHfty1jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:34:56.688168Z"},"content_sha256":"811fb515dad5c251f62fdb1c42725d77a0c46e083179123d8fccee04be930f0b","schema_version":"1.0","event_id":"sha256:811fb515dad5c251f62fdb1c42725d77a0c46e083179123d8fccee04be930f0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/bundle.json","state_url":"https://pith.science/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/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":"2026-08-11T02:34:56Z","links":{"resolver":"https://pith.science/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF","bundle":"https://pith.science/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/bundle.json","state":"https://pith.science/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WDYBY5JW6ONUMWQXXFZQDNK2NF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:WDYBY5JW6ONUMWQXXFZQDNK2NF","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":"9f47183d4ccebb87710d7ad9e26adaaf84b4882ea1ea84660f2a30ac57f467eb","cross_cats_sorted":["cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-23T09:31:40Z","title_canon_sha256":"40ae2485e11ecb9fc71964c9426a37782371ac3ba185a7eb8f5719cdc1adb7ff"},"schema_version":"1.0","source":{"id":"2012.12554","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.12554","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"2012.12554v1","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.12554","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"WDYBY5JW6ONU","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_16","alias_value":"WDYBY5JW6ONUMWQX","created_at":"2026-07-05T02:01:37Z"},{"alias_kind":"pith_short_8","alias_value":"WDYBY5JW","created_at":"2026-07-05T02:01:37Z"}],"graph_snapshots":[{"event_id":"sha256:811fb515dad5c251f62fdb1c42725d77a0c46e083179123d8fccee04be930f0b","target":"graph","created_at":"2026-07-05T02:01:37Z","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/2012.12554/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a unified framework for generic video annotation with bounding boxes. Video annotation is a longstanding problem, as it is a tedious and time-consuming process. We tackle two important challenges of video annotation: (1) automatic temporal interpolation and extrapolation of bounding boxes provided by a human annotator on a subset of all frames, and (2) automatic selection of frames to annotate manually. Our contribution is two-fold: first, we propose a model that has both interpolating and extrapolating capabilities; second, we propose a guiding mechanism that sequentially generat","authors_text":"A. Kuznetsova, A. Talati, K. Simmons, V. Ferrari, Y. Luo","cross_cats":["cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-23T09:31:40Z","title":"Efficient video annotation with visual interpolation and frame selection guidance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.12554","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:b57c5a2cc513ecf77cc9a15789411c7cfc86e9f27732590fa000a50e51036f45","target":"record","created_at":"2026-07-05T02:01:37Z","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":"9f47183d4ccebb87710d7ad9e26adaaf84b4882ea1ea84660f2a30ac57f467eb","cross_cats_sorted":["cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-12-23T09:31:40Z","title_canon_sha256":"40ae2485e11ecb9fc71964c9426a37782371ac3ba185a7eb8f5719cdc1adb7ff"},"schema_version":"1.0","source":{"id":"2012.12554","kind":"arxiv","version":1}},"canonical_sha256":"b0f01c7536f39b465a17b97301b55a6957d25cf54c839a7220741d1983c3b68c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f01c7536f39b465a17b97301b55a6957d25cf54c839a7220741d1983c3b68c","first_computed_at":"2026-07-05T02:01:37.514027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:01:37.514027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NwCbMWGh143MoZQVjaNmkNZ9/IjbL8KXYBIkK8c21vAur8MNXqpy9JXgjhskFElgnA+ZbttDnX8SQKQq55w/Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:01:37.514469Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.12554","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b57c5a2cc513ecf77cc9a15789411c7cfc86e9f27732590fa000a50e51036f45","sha256:811fb515dad5c251f62fdb1c42725d77a0c46e083179123d8fccee04be930f0b"],"state_sha256":"2f4deec25de2fb884affc0a6d936cff21781289e6142b8361418783f2699e9c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AmMiFNJx53nl0jg89pXFvrVQEcgGiKEgq096m3D577HcJFpL8BsN2tBf/OG/Ph3cwMt/7HOOFo1yl77I0xloBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T02:34:56.692005Z","bundle_sha256":"348e87f440b5fc11af9bee15f5102c1e753d96c307a27d1a6c7379718a9106db"}}