{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WNOMHROTHWGEXBMX4JQSRAIBAI","short_pith_number":"pith:WNOMHROT","canonical_record":{"source":{"id":"2505.01809","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-03T12:45:00Z","cross_cats_sorted":[],"title_canon_sha256":"5de8c1ffab0934e038ce8a3eff42ee806b2d1bcc5a158a61e4eb207284f40f4f","abstract_canon_sha256":"058e0ee76572c8b07e4786695a4872a665cd488a738596c43d0bd4ccfb61eb94"},"schema_version":"1.0"},"canonical_sha256":"b35cc3c5d33d8c4b8597e2612881010219d00b13eb1f3bfe62faf37acca1e090","source":{"kind":"arxiv","id":"2505.01809","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.01809","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"2505.01809v1","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.01809","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"WNOMHROTHWGE","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_16","alias_value":"WNOMHROTHWGEXBMX","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_8","alias_value":"WNOMHROT","created_at":"2026-07-05T10:58:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WNOMHROTHWGEXBMX4JQSRAIBAI","target":"record","payload":{"canonical_record":{"source":{"id":"2505.01809","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-03T12:45:00Z","cross_cats_sorted":[],"title_canon_sha256":"5de8c1ffab0934e038ce8a3eff42ee806b2d1bcc5a158a61e4eb207284f40f4f","abstract_canon_sha256":"058e0ee76572c8b07e4786695a4872a665cd488a738596c43d0bd4ccfb61eb94"},"schema_version":"1.0"},"canonical_sha256":"b35cc3c5d33d8c4b8597e2612881010219d00b13eb1f3bfe62faf37acca1e090","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:58:04.561046Z","signature_b64":"nLl1zXCxsCWPl8syQO1KVNoXg2mgYnkHcKvdsiwtU2nFQgLXRW24cEbM/om0C6m5XunQYXxqk2YDWkaBNoWGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b35cc3c5d33d8c4b8597e2612881010219d00b13eb1f3bfe62faf37acca1e090","last_reissued_at":"2026-07-05T10:58:04.560509Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:58:04.560509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.01809","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":"2026-07-05T10:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Z2oCi1s8T5ZY8MomL9rH/UZt+gQtBwA3PPsMja0ZCPt6AKgS5m0q9jnWgpPTYFWsGQ8kzhwQzIaTn4TuIEHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T03:10:12.712130Z"},"content_sha256":"8f5e93d2c6331c3bb39d3b3ede729a6a1d40bd0de2044a35409f54bc0df2de0f","schema_version":"1.0","event_id":"sha256:8f5e93d2c6331c3bb39d3b3ede729a6a1d40bd0de2044a35409f54bc0df2de0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WNOMHROTHWGEXBMX4JQSRAIBAI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"3DWG: 3D Weakly Supervised Visual Grounding via Category and Instance-Level Alignment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hao Dong, Jiaming Liu, Liang Heng, Nuowei Han, Xiaoqi Li, Yandong Guo, Yang Liu","submitted_at":"2025-05-03T12:45:00Z","abstract_excerpt":"The 3D weakly-supervised visual grounding task aims to localize oriented 3D boxes in point clouds based on natural language descriptions without requiring annotations to guide model learning. This setting presents two primary challenges: category-level ambiguity and instance-level complexity. Category-level ambiguity arises from representing objects of fine-grained categories in a highly sparse point cloud format, making category distinction challenging. Instance-level complexity stems from multiple instances of the same category coexisting in a scene, leading to distractions during grounding."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.01809","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/2505.01809/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":"2026-07-05T10:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQwHldWxh1sBg74cQ8OO26A3g9NA0Kv560NgdHucP1D9D2lPuisqdHVVNSGL7fKSUhMoq9fBPPpzF2aExwgEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T03:10:12.713086Z"},"content_sha256":"fd2a326eb28f0bc37b379303163918946309bade7b0a21d0d60f17a3c5d2d3cd","schema_version":"1.0","event_id":"sha256:fd2a326eb28f0bc37b379303163918946309bade7b0a21d0d60f17a3c5d2d3cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/bundle.json","state_url":"https://pith.science/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/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":"2026-08-08T03:10:12Z","links":{"resolver":"https://pith.science/pith/WNOMHROTHWGEXBMX4JQSRAIBAI","bundle":"https://pith.science/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/bundle.json","state":"https://pith.science/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WNOMHROTHWGEXBMX4JQSRAIBAI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WNOMHROTHWGEXBMX4JQSRAIBAI","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":"058e0ee76572c8b07e4786695a4872a665cd488a738596c43d0bd4ccfb61eb94","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-03T12:45:00Z","title_canon_sha256":"5de8c1ffab0934e038ce8a3eff42ee806b2d1bcc5a158a61e4eb207284f40f4f"},"schema_version":"1.0","source":{"id":"2505.01809","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.01809","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"2505.01809v1","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.01809","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"WNOMHROTHWGE","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_16","alias_value":"WNOMHROTHWGEXBMX","created_at":"2026-07-05T10:58:04Z"},{"alias_kind":"pith_short_8","alias_value":"WNOMHROT","created_at":"2026-07-05T10:58:04Z"}],"graph_snapshots":[{"event_id":"sha256:fd2a326eb28f0bc37b379303163918946309bade7b0a21d0d60f17a3c5d2d3cd","target":"graph","created_at":"2026-07-05T10:58:04Z","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/2505.01809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The 3D weakly-supervised visual grounding task aims to localize oriented 3D boxes in point clouds based on natural language descriptions without requiring annotations to guide model learning. This setting presents two primary challenges: category-level ambiguity and instance-level complexity. Category-level ambiguity arises from representing objects of fine-grained categories in a highly sparse point cloud format, making category distinction challenging. Instance-level complexity stems from multiple instances of the same category coexisting in a scene, leading to distractions during grounding.","authors_text":"Hao Dong, Jiaming Liu, Liang Heng, Nuowei Han, Xiaoqi Li, Yandong Guo, Yang Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-03T12:45:00Z","title":"3DWG: 3D Weakly Supervised Visual Grounding via Category and Instance-Level Alignment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.01809","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":"sha256:8f5e93d2c6331c3bb39d3b3ede729a6a1d40bd0de2044a35409f54bc0df2de0f","target":"record","created_at":"2026-07-05T10:58:04Z","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":"058e0ee76572c8b07e4786695a4872a665cd488a738596c43d0bd4ccfb61eb94","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-05-03T12:45:00Z","title_canon_sha256":"5de8c1ffab0934e038ce8a3eff42ee806b2d1bcc5a158a61e4eb207284f40f4f"},"schema_version":"1.0","source":{"id":"2505.01809","kind":"arxiv","version":1}},"canonical_sha256":"b35cc3c5d33d8c4b8597e2612881010219d00b13eb1f3bfe62faf37acca1e090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b35cc3c5d33d8c4b8597e2612881010219d00b13eb1f3bfe62faf37acca1e090","first_computed_at":"2026-07-05T10:58:04.560509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:58:04.560509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nLl1zXCxsCWPl8syQO1KVNoXg2mgYnkHcKvdsiwtU2nFQgLXRW24cEbM/om0C6m5XunQYXxqk2YDWkaBNoWGCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:58:04.561046Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.01809","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f5e93d2c6331c3bb39d3b3ede729a6a1d40bd0de2044a35409f54bc0df2de0f","sha256:fd2a326eb28f0bc37b379303163918946309bade7b0a21d0d60f17a3c5d2d3cd"],"state_sha256":"8169d7fa03bb70c37d68cb367549f642d2adb3d1d444b2e65d444fff9976e8d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nR+WllrcA8LDINQ9wYwyfAmosthonIufmgbd+5e9ebmTPHfjpLQH51Y2Z3P5rXucxXcPOsmTiRbm1UhXHo6pCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T03:10:12.719309Z","bundle_sha256":"b56c583405ef52f2bdb3a785e7d45e0f19d2cdbd92e803d0813d9fc555382eb7"}}