{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5ACADRSYBOMX2ZBTJJOOVUXKGO","short_pith_number":"pith:5ACADRSY","canonical_record":{"source":{"id":"2606.29513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T17:21:45Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"afd84571a983da8dfe275b1e4af2f33943ae08e50c34f5559c70176b371ef920","abstract_canon_sha256":"38c549bfffe7ab97f32639934c668c060fcd913e2b00add96eb00a0bf1337614"},"schema_version":"1.0"},"canonical_sha256":"e80401c6580b997d64334a5cead2ea33b35769171fd88a0ffc3fe2cb15039215","source":{"kind":"arxiv","id":"2606.29513","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.29513","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"2606.29513v1","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29513","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"5ACADRSYBOMX","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_16","alias_value":"5ACADRSYBOMX2ZBT","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_8","alias_value":"5ACADRSY","created_at":"2026-06-30T01:18:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5ACADRSYBOMX2ZBTJJOOVUXKGO","target":"record","payload":{"canonical_record":{"source":{"id":"2606.29513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T17:21:45Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"afd84571a983da8dfe275b1e4af2f33943ae08e50c34f5559c70176b371ef920","abstract_canon_sha256":"38c549bfffe7ab97f32639934c668c060fcd913e2b00add96eb00a0bf1337614"},"schema_version":"1.0"},"canonical_sha256":"e80401c6580b997d64334a5cead2ea33b35769171fd88a0ffc3fe2cb15039215","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:18:09.850624Z","signature_b64":"0KA+5jrjvai66JxXQLvzHd4NQiJWeiDTIPOkr7HLhD5AUw+bdw8+Pa1x+8LDLUZ+R5pv6Y1Kckr47tl5ppTQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e80401c6580b997d64334a5cead2ea33b35769171fd88a0ffc3fe2cb15039215","last_reissued_at":"2026-06-30T01:18:09.850089Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:18:09.850089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.29513","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":"2026-06-30T01:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xk9W80sk6NWuWRcD1xc5Bbw+ntTxzbm2iI341Uq8p6Vqck916BzrTjjLJs1QDPzWvn1XDOPrH2SVCmuTcKn0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T02:40:39.414561Z"},"content_sha256":"4784e9c76d29f1f9909d15fb37430163ac8491ad8c8ee57eca08c4321d4551a8","schema_version":"1.0","event_id":"sha256:4784e9c76d29f1f9909d15fb37430163ac8491ad8c8ee57eca08c4321d4551a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5ACADRSYBOMX2ZBTJJOOVUXKGO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scenes as Objects, Not Primitives: Instance-Structured 3D Tokenization from Unposed Views","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GR"],"primary_cat":"cs.CV","authors_text":"Eunbyung Park, In Cho, Jiwoo Lee, Mijin Yoo, Seon Joo Kim, Subin Jeon","submitted_at":"2026-06-28T17:21:45Z","abstract_excerpt":"A 3D scene is understood through its objects, not the primitives that compose them. Yet feed-forward reconstruction methods output dense, unstructured sets of points or Gaussians, leaving object-level structure to be recovered after the fact. We propose a feed-forward framework that decomposes a scene into instance-structured 3D token groups directly from unposed multi-view images -- compact object-centric units from which reconstruction, segmentation, and manipulation all follow. Each token group pairs an instance token capturing entity-level identity with anchor tokens that encode local geom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29513","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/2606.29513/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":"2026-06-30T01:18:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IsaqsKCMWYrOrxXuqzxpjIHn1GVi6aHEOZ7uK4Cz92SiNbLGXlSr+p/94rX1OXOaFMafGntflK0IteSHM22qBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T02:40:39.415245Z"},"content_sha256":"bf7eb3a017d5fe6d2d0f963e21baa3b71fce26b10d541c055aa46d78e5cb77ea","schema_version":"1.0","event_id":"sha256:bf7eb3a017d5fe6d2d0f963e21baa3b71fce26b10d541c055aa46d78e5cb77ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/bundle.json","state_url":"https://pith.science/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/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":"2026-07-02T02:40:39Z","links":{"resolver":"https://pith.science/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO","bundle":"https://pith.science/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/bundle.json","state":"https://pith.science/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ACADRSYBOMX2ZBTJJOOVUXKGO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5ACADRSYBOMX2ZBTJJOOVUXKGO","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":"38c549bfffe7ab97f32639934c668c060fcd913e2b00add96eb00a0bf1337614","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T17:21:45Z","title_canon_sha256":"afd84571a983da8dfe275b1e4af2f33943ae08e50c34f5559c70176b371ef920"},"schema_version":"1.0","source":{"id":"2606.29513","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.29513","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"arxiv_version","alias_value":"2606.29513v1","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29513","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_12","alias_value":"5ACADRSYBOMX","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_16","alias_value":"5ACADRSYBOMX2ZBT","created_at":"2026-06-30T01:18:09Z"},{"alias_kind":"pith_short_8","alias_value":"5ACADRSY","created_at":"2026-06-30T01:18:09Z"}],"graph_snapshots":[{"event_id":"sha256:bf7eb3a017d5fe6d2d0f963e21baa3b71fce26b10d541c055aa46d78e5cb77ea","target":"graph","created_at":"2026-06-30T01:18:09Z","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/2606.29513/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A 3D scene is understood through its objects, not the primitives that compose them. Yet feed-forward reconstruction methods output dense, unstructured sets of points or Gaussians, leaving object-level structure to be recovered after the fact. We propose a feed-forward framework that decomposes a scene into instance-structured 3D token groups directly from unposed multi-view images -- compact object-centric units from which reconstruction, segmentation, and manipulation all follow. Each token group pairs an instance token capturing entity-level identity with anchor tokens that encode local geom","authors_text":"Eunbyung Park, In Cho, Jiwoo Lee, Mijin Yoo, Seon Joo Kim, Subin Jeon","cross_cats":["cs.GR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T17:21:45Z","title":"Scenes as Objects, Not Primitives: Instance-Structured 3D Tokenization from Unposed Views"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29513","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":"sha256:4784e9c76d29f1f9909d15fb37430163ac8491ad8c8ee57eca08c4321d4551a8","target":"record","created_at":"2026-06-30T01:18:09Z","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":"38c549bfffe7ab97f32639934c668c060fcd913e2b00add96eb00a0bf1337614","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T17:21:45Z","title_canon_sha256":"afd84571a983da8dfe275b1e4af2f33943ae08e50c34f5559c70176b371ef920"},"schema_version":"1.0","source":{"id":"2606.29513","kind":"arxiv","version":1}},"canonical_sha256":"e80401c6580b997d64334a5cead2ea33b35769171fd88a0ffc3fe2cb15039215","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e80401c6580b997d64334a5cead2ea33b35769171fd88a0ffc3fe2cb15039215","first_computed_at":"2026-06-30T01:18:09.850089Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T01:18:09.850089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0KA+5jrjvai66JxXQLvzHd4NQiJWeiDTIPOkr7HLhD5AUw+bdw8+Pa1x+8LDLUZ+R5pv6Y1Kckr47tl5ppTQBw==","signature_status":"signed_v1","signed_at":"2026-06-30T01:18:09.850624Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.29513","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4784e9c76d29f1f9909d15fb37430163ac8491ad8c8ee57eca08c4321d4551a8","sha256:bf7eb3a017d5fe6d2d0f963e21baa3b71fce26b10d541c055aa46d78e5cb77ea"],"state_sha256":"fe48a4b1a777bb413e675051a59e1b041e5b5139dc5c0d1934239f1021cabf43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yNa0q3fmd6KybTmHK6V3JJQYSl7L1UwCokAyV+dtaGR79usaG+QYoOrArGtE4GaO1M72hfdmykB4ihbkPI4rAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T02:40:39.418547Z","bundle_sha256":"7f91f472e0b4782de6a8f952443a348c458662a605ee4fa734e8451d1567e047"}}