{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HWIBYBT7QORAEV2MUEGA24LTP5","short_pith_number":"pith:HWIBYBT7","canonical_record":{"source":{"id":"2206.04403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-09T10:33:18Z","cross_cats_sorted":[],"title_canon_sha256":"99e606f571ec3935b8baa06f2eb03226d9a49c113e1ab8fde75651349996b4cb","abstract_canon_sha256":"27370da927ed6c99c214d5415066d2d2f46dc083983dc74f7db2892c650685e5"},"schema_version":"1.0"},"canonical_sha256":"3d901c067f83a202574ca10c0d71737f6698ca2d4aa7f6758ac60dde80f08a30","source":{"kind":"arxiv","id":"2206.04403","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.04403","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"arxiv_version","alias_value":"2206.04403v2","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.04403","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_12","alias_value":"HWIBYBT7QORA","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_16","alias_value":"HWIBYBT7QORAEV2M","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_8","alias_value":"HWIBYBT7","created_at":"2026-07-05T05:08:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HWIBYBT7QORAEV2MUEGA24LTP5","target":"record","payload":{"canonical_record":{"source":{"id":"2206.04403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-09T10:33:18Z","cross_cats_sorted":[],"title_canon_sha256":"99e606f571ec3935b8baa06f2eb03226d9a49c113e1ab8fde75651349996b4cb","abstract_canon_sha256":"27370da927ed6c99c214d5415066d2d2f46dc083983dc74f7db2892c650685e5"},"schema_version":"1.0"},"canonical_sha256":"3d901c067f83a202574ca10c0d71737f6698ca2d4aa7f6758ac60dde80f08a30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:08:29.032027Z","signature_b64":"LjN3JZSHUqMwwduv4wWJN4S4/14aZLRYSrgf8LV+aBm5mUDNjiVJ5LeWrWpP/p+NUUWfyviwdiYdCikAeIjyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d901c067f83a202574ca10c0d71737f6698ca2d4aa7f6758ac60dde80f08a30","last_reissued_at":"2026-07-05T05:08:29.031521Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:08:29.031521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.04403","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":"2026-07-05T05:08:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0EieUXTaHVqQ0HNeyPul+gBMz12r1pG6Jsuhj2jvHeFMPjEVo+Xrde2bnWhOy0W9Og2rTEqqwhIYhwZmeT2ICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:17:11.238612Z"},"content_sha256":"8e0d912d7e1f754eebcfda22be440b902eb15c5d409c4ec413cb3ee72c650443","schema_version":"1.0","event_id":"sha256:8e0d912d7e1f754eebcfda22be440b902eb15c5d409c4ec413cb3ee72c650443"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HWIBYBT7QORAEV2MUEGA24LTP5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VITA: Video Instance Segmentation via Object Token Association","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Joon-Young Lee, Miran Heo, Seon Joo Kim, Seoung Wug Oh, Sukjun Hwang","submitted_at":"2022-06-09T10:33:18Z","abstract_excerpt":"We introduce a novel paradigm for offline Video Instance Segmentation (VIS), based on the hypothesis that explicit object-oriented information can be a strong clue for understanding the context of the entire sequence. To this end, we propose VITA, a simple structure built on top of an off-the-shelf Transformer-based image instance segmentation model. Specifically, we use an image object detector as a means of distilling object-specific contexts into object tokens. VITA accomplishes video-level understanding by associating frame-level object tokens without using spatio-temporal backbone feature"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.04403","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2206.04403/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":"2026-07-05T05:08:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CKEt/3AObnFG6gDMHUGTbPE31UcRMke41ZRpFdI0xz6cjuZsd6MIGJpxFS58fU83oJ2tYyyHer7H6plerTQeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:17:11.238983Z"},"content_sha256":"ef4b8cce3a6694967180ec39196750f9fb67554ccd84d5088b07d0bd4096d3b5","schema_version":"1.0","event_id":"sha256:ef4b8cce3a6694967180ec39196750f9fb67554ccd84d5088b07d0bd4096d3b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HWIBYBT7QORAEV2MUEGA24LTP5/bundle.json","state_url":"https://pith.science/pith/HWIBYBT7QORAEV2MUEGA24LTP5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HWIBYBT7QORAEV2MUEGA24LTP5/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":"2026-08-20T10:17:11Z","links":{"resolver":"https://pith.science/pith/HWIBYBT7QORAEV2MUEGA24LTP5","bundle":"https://pith.science/pith/HWIBYBT7QORAEV2MUEGA24LTP5/bundle.json","state":"https://pith.science/pith/HWIBYBT7QORAEV2MUEGA24LTP5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HWIBYBT7QORAEV2MUEGA24LTP5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HWIBYBT7QORAEV2MUEGA24LTP5","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":"27370da927ed6c99c214d5415066d2d2f46dc083983dc74f7db2892c650685e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-09T10:33:18Z","title_canon_sha256":"99e606f571ec3935b8baa06f2eb03226d9a49c113e1ab8fde75651349996b4cb"},"schema_version":"1.0","source":{"id":"2206.04403","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.04403","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"arxiv_version","alias_value":"2206.04403v2","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.04403","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_12","alias_value":"HWIBYBT7QORA","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_16","alias_value":"HWIBYBT7QORAEV2M","created_at":"2026-07-05T05:08:29Z"},{"alias_kind":"pith_short_8","alias_value":"HWIBYBT7","created_at":"2026-07-05T05:08:29Z"}],"graph_snapshots":[{"event_id":"sha256:ef4b8cce3a6694967180ec39196750f9fb67554ccd84d5088b07d0bd4096d3b5","target":"graph","created_at":"2026-07-05T05:08:29Z","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/2206.04403/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a novel paradigm for offline Video Instance Segmentation (VIS), based on the hypothesis that explicit object-oriented information can be a strong clue for understanding the context of the entire sequence. To this end, we propose VITA, a simple structure built on top of an off-the-shelf Transformer-based image instance segmentation model. Specifically, we use an image object detector as a means of distilling object-specific contexts into object tokens. VITA accomplishes video-level understanding by associating frame-level object tokens without using spatio-temporal backbone feature","authors_text":"Joon-Young Lee, Miran Heo, Seon Joo Kim, Seoung Wug Oh, Sukjun Hwang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-09T10:33:18Z","title":"VITA: Video Instance Segmentation via Object Token Association"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.04403","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":"sha256:8e0d912d7e1f754eebcfda22be440b902eb15c5d409c4ec413cb3ee72c650443","target":"record","created_at":"2026-07-05T05:08:29Z","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":"27370da927ed6c99c214d5415066d2d2f46dc083983dc74f7db2892c650685e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-09T10:33:18Z","title_canon_sha256":"99e606f571ec3935b8baa06f2eb03226d9a49c113e1ab8fde75651349996b4cb"},"schema_version":"1.0","source":{"id":"2206.04403","kind":"arxiv","version":2}},"canonical_sha256":"3d901c067f83a202574ca10c0d71737f6698ca2d4aa7f6758ac60dde80f08a30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d901c067f83a202574ca10c0d71737f6698ca2d4aa7f6758ac60dde80f08a30","first_computed_at":"2026-07-05T05:08:29.031521Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:08:29.031521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LjN3JZSHUqMwwduv4wWJN4S4/14aZLRYSrgf8LV+aBm5mUDNjiVJ5LeWrWpP/p+NUUWfyviwdiYdCikAeIjyCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:08:29.032027Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.04403","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e0d912d7e1f754eebcfda22be440b902eb15c5d409c4ec413cb3ee72c650443","sha256:ef4b8cce3a6694967180ec39196750f9fb67554ccd84d5088b07d0bd4096d3b5"],"state_sha256":"8f95ab7df611ea2584ea72ccd3b9044ff4331e9f8a15c670e1fe3f64af631595"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"32r+tty3m6T1Jt0RpcprGEwBeJ3+YYYstiL/nBoyfQPh8J/Aw1sUzbhrq/A1KBC2Nazhn91giQVCvK5ov/NpBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T10:17:11.242649Z","bundle_sha256":"6ca7f96205e820fb9db898a83273303ec8f92f21e12213534dcd4aecb298fcfa"}}