{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TMB6NN5Z4RFH5RBOC2QEQ5TFME","short_pith_number":"pith:TMB6NN5Z","canonical_record":{"source":{"id":"2308.02874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-05T13:10:43Z","cross_cats_sorted":["cs.MM"],"title_canon_sha256":"bf3e72d510daffa5038fe3ec64115be0d9d4d4fe78f9feed1dba75b32775d26a","abstract_canon_sha256":"97d51e06b2b9b38b1337a1892d251377e8c13af69b22aad345a4a812106c045c"},"schema_version":"1.0"},"canonical_sha256":"9b03e6b7b9e44a7ec42e16a04876656109f9c4099767c128970ef5cf691734ff","source":{"kind":"arxiv","id":"2308.02874","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.02874","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"2308.02874v1","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.02874","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"TMB6NN5Z4RFH","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_16","alias_value":"TMB6NN5Z4RFH5RBO","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_8","alias_value":"TMB6NN5Z","created_at":"2026-07-05T06:38:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TMB6NN5Z4RFH5RBOC2QEQ5TFME","target":"record","payload":{"canonical_record":{"source":{"id":"2308.02874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-05T13:10:43Z","cross_cats_sorted":["cs.MM"],"title_canon_sha256":"bf3e72d510daffa5038fe3ec64115be0d9d4d4fe78f9feed1dba75b32775d26a","abstract_canon_sha256":"97d51e06b2b9b38b1337a1892d251377e8c13af69b22aad345a4a812106c045c"},"schema_version":"1.0"},"canonical_sha256":"9b03e6b7b9e44a7ec42e16a04876656109f9c4099767c128970ef5cf691734ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:38:08.767086Z","signature_b64":"ZJbuowWvcSRIIk53VwU6b+jq66xmjul2NIZHQwFoM4sGucyqsZRkcvz1/ch9eq35Rfxp5bI2N6FeGixEDAVdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b03e6b7b9e44a7ec42e16a04876656109f9c4099767c128970ef5cf691734ff","last_reissued_at":"2026-07-05T06:38:08.766679Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:38:08.766679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.02874","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":"2026-07-05T06:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UwbJsyFVBAs3DQ2f/TInbJOsSexb0HcSPkkbZKLsSWhINj6WeWUb5d48UqxSrjMR27Gkl6zr37/+Isc+SgpPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:46:31.268848Z"},"content_sha256":"f593f19e9a80d55f430564fab9f6aca1e8d419de37ee836b4d8098bc38370760","schema_version":"1.0","event_id":"sha256:f593f19e9a80d55f430564fab9f6aca1e8d419de37ee836b4d8098bc38370760"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TMB6NN5Z4RFH5RBOC2QEQ5TFME","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sketch and Text Guided Diffusion Model for Colored Point Cloud Generation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.MM"],"primary_cat":"cs.CV","authors_text":"Ajmal Mian, He Xie, Mingtao Feng, Yaonan Wang, Zijie Wu","submitted_at":"2023-08-05T13:10:43Z","abstract_excerpt":"Diffusion probabilistic models have achieved remarkable success in text guided image generation. However, generating 3D shapes is still challenging due to the lack of sufficient data containing 3D models along with their descriptions. Moreover, text based descriptions of 3D shapes are inherently ambiguous and lack details. In this paper, we propose a sketch and text guided probabilistic diffusion model for colored point cloud generation that conditions the denoising process jointly with a hand drawn sketch of the object and its textual description. We incrementally diffuse the point coordinate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.02874","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/2308.02874/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":"2026-07-05T06:38:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BS8LcziB/L5ofpyJf/NyUrFWh0Ha9rESAMEzym2a6ofRbcZfmCiMz2R8WzK1HMpg/elpQzkQGF9I4h+/MUNSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:46:31.269222Z"},"content_sha256":"b5d90f4f06b6c9cf81f7b0126b17c8edefa077a7c758529d5dc23664994a4688","schema_version":"1.0","event_id":"sha256:b5d90f4f06b6c9cf81f7b0126b17c8edefa077a7c758529d5dc23664994a4688"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/bundle.json","state_url":"https://pith.science/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/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":"2026-07-07T03:46:31Z","links":{"resolver":"https://pith.science/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME","bundle":"https://pith.science/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/bundle.json","state":"https://pith.science/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMB6NN5Z4RFH5RBOC2QEQ5TFME/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TMB6NN5Z4RFH5RBOC2QEQ5TFME","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":"97d51e06b2b9b38b1337a1892d251377e8c13af69b22aad345a4a812106c045c","cross_cats_sorted":["cs.MM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-05T13:10:43Z","title_canon_sha256":"bf3e72d510daffa5038fe3ec64115be0d9d4d4fe78f9feed1dba75b32775d26a"},"schema_version":"1.0","source":{"id":"2308.02874","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.02874","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"2308.02874v1","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.02874","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"TMB6NN5Z4RFH","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_16","alias_value":"TMB6NN5Z4RFH5RBO","created_at":"2026-07-05T06:38:08Z"},{"alias_kind":"pith_short_8","alias_value":"TMB6NN5Z","created_at":"2026-07-05T06:38:08Z"}],"graph_snapshots":[{"event_id":"sha256:b5d90f4f06b6c9cf81f7b0126b17c8edefa077a7c758529d5dc23664994a4688","target":"graph","created_at":"2026-07-05T06:38:08Z","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/2308.02874/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diffusion probabilistic models have achieved remarkable success in text guided image generation. However, generating 3D shapes is still challenging due to the lack of sufficient data containing 3D models along with their descriptions. Moreover, text based descriptions of 3D shapes are inherently ambiguous and lack details. In this paper, we propose a sketch and text guided probabilistic diffusion model for colored point cloud generation that conditions the denoising process jointly with a hand drawn sketch of the object and its textual description. We incrementally diffuse the point coordinate","authors_text":"Ajmal Mian, He Xie, Mingtao Feng, Yaonan Wang, Zijie Wu","cross_cats":["cs.MM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-05T13:10:43Z","title":"Sketch and Text Guided Diffusion Model for Colored Point Cloud Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.02874","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:f593f19e9a80d55f430564fab9f6aca1e8d419de37ee836b4d8098bc38370760","target":"record","created_at":"2026-07-05T06:38:08Z","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":"97d51e06b2b9b38b1337a1892d251377e8c13af69b22aad345a4a812106c045c","cross_cats_sorted":["cs.MM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-08-05T13:10:43Z","title_canon_sha256":"bf3e72d510daffa5038fe3ec64115be0d9d4d4fe78f9feed1dba75b32775d26a"},"schema_version":"1.0","source":{"id":"2308.02874","kind":"arxiv","version":1}},"canonical_sha256":"9b03e6b7b9e44a7ec42e16a04876656109f9c4099767c128970ef5cf691734ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b03e6b7b9e44a7ec42e16a04876656109f9c4099767c128970ef5cf691734ff","first_computed_at":"2026-07-05T06:38:08.766679Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:38:08.766679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZJbuowWvcSRIIk53VwU6b+jq66xmjul2NIZHQwFoM4sGucyqsZRkcvz1/ch9eq35Rfxp5bI2N6FeGixEDAVdCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:38:08.767086Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.02874","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f593f19e9a80d55f430564fab9f6aca1e8d419de37ee836b4d8098bc38370760","sha256:b5d90f4f06b6c9cf81f7b0126b17c8edefa077a7c758529d5dc23664994a4688"],"state_sha256":"c4e322c1b2d2a7578021dd764bb532d779511848c6860ac7ad74d0b8cf144bce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPbaUcwGikve9QodWPPT+Tb/zrxjJJ2F5lvjFanA3zORKzgkyVTlKk9MGAJ1V6yCBVVPqnQG1bHlT5qLpbZrDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:46:31.271229Z","bundle_sha256":"a8808d82cb1f4fa9f0b246b892475e494d67e628b1750d017744c19613ef7d24"}}