{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:BXGOZUGUTICV64UM7G5A4UZ3MF","short_pith_number":"pith:BXGOZUGU","canonical_record":{"source":{"id":"2102.08860","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-02-17T16:40:28Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"f58a1e8988a4b6d3bc67a8a4286aaaa50f1a8b5fcb4af09daf694bfce00f2b1f","abstract_canon_sha256":"cc087b2c54be8cb71ed932ce7e927e74c30edb5465d18b4b379a705b69ad09f8"},"schema_version":"1.0"},"canonical_sha256":"0dccecd0d49a055f728cf9ba0e533b6179165ebd2cc2863dafe81489b263eff3","source":{"kind":"arxiv","id":"2102.08860","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.08860","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"arxiv_version","alias_value":"2102.08860v2","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.08860","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_12","alias_value":"BXGOZUGUTICV","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_16","alias_value":"BXGOZUGUTICV64UM","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_8","alias_value":"BXGOZUGU","created_at":"2026-07-05T02:51:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:BXGOZUGUTICV64UM7G5A4UZ3MF","target":"record","payload":{"canonical_record":{"source":{"id":"2102.08860","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-02-17T16:40:28Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"f58a1e8988a4b6d3bc67a8a4286aaaa50f1a8b5fcb4af09daf694bfce00f2b1f","abstract_canon_sha256":"cc087b2c54be8cb71ed932ce7e927e74c30edb5465d18b4b379a705b69ad09f8"},"schema_version":"1.0"},"canonical_sha256":"0dccecd0d49a055f728cf9ba0e533b6179165ebd2cc2863dafe81489b263eff3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:51:39.095803Z","signature_b64":"33fAdysCOm1DqunPOKROhQ5JPpx7PQgmYoYMioIBAycv12u1eB4orQxnf8f7lT8giDxQ0tk2O5oTiIw/Eg9tCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dccecd0d49a055f728cf9ba0e533b6179165ebd2cc2863dafe81489b263eff3","last_reissued_at":"2026-07-05T02:51:39.095301Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:51:39.095301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.08860","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":"2026-07-05T02:51:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wI3FBGmXlVGPhMMon5iG/OlilnQM6rVeT2OFgogQwQBpSssW3tqqDyTkKNqK2KXLbqoDynbySp3Qg7mPMArYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:49:37.406971Z"},"content_sha256":"bc57574f81d361f089f9ea295abe4f2f95f7899523b1f72d144c90d0cc60452c","schema_version":"1.0","event_id":"sha256:bc57574f81d361f089f9ea295abe4f2f95f7899523b1f72d144c90d0cc60452c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:BXGOZUGUTICV64UM7G5A4UZ3MF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ShaRF: Shape-conditioned Radiance Fields from a Single View","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GR"],"primary_cat":"cs.CV","authors_text":"Konstantinos Rematas, Ricardo Martin-Brualla, Vittorio Ferrari","submitted_at":"2021-02-17T16:40:28Z","abstract_excerpt":"We present a method for estimating neural scenes representations of objects given only a single image. The core of our method is the estimation of a geometric scaffold for the object and its use as a guide for the reconstruction of the underlying radiance field. Our formulation is based on a generative process that first maps a latent code to a voxelized shape, and then renders it to an image, with the object appearance being controlled by a second latent code. During inference, we optimize both the latent codes and the networks to fit a test image of a new object. The explicit disentanglement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.08860","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/2102.08860/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":"2026-07-05T02:51:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SXugYDxdfuOBe4B8C4vnuiuBCbrpydBOH3iCPOgpqnEOUEIQbjzMo4SGUxTvecpVVjwGIY3DU/Xnff/E742fCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T20:49:37.407590Z"},"content_sha256":"145981d63469d47b3154fb8c3693d0f8b25a596f636919cb145d9c13c482be69","schema_version":"1.0","event_id":"sha256:145981d63469d47b3154fb8c3693d0f8b25a596f636919cb145d9c13c482be69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/bundle.json","state_url":"https://pith.science/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/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":"2026-08-11T20:49:37Z","links":{"resolver":"https://pith.science/pith/BXGOZUGUTICV64UM7G5A4UZ3MF","bundle":"https://pith.science/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/bundle.json","state":"https://pith.science/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BXGOZUGUTICV64UM7G5A4UZ3MF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:BXGOZUGUTICV64UM7G5A4UZ3MF","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":"cc087b2c54be8cb71ed932ce7e927e74c30edb5465d18b4b379a705b69ad09f8","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-02-17T16:40:28Z","title_canon_sha256":"f58a1e8988a4b6d3bc67a8a4286aaaa50f1a8b5fcb4af09daf694bfce00f2b1f"},"schema_version":"1.0","source":{"id":"2102.08860","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.08860","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"arxiv_version","alias_value":"2102.08860v2","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.08860","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_12","alias_value":"BXGOZUGUTICV","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_16","alias_value":"BXGOZUGUTICV64UM","created_at":"2026-07-05T02:51:39Z"},{"alias_kind":"pith_short_8","alias_value":"BXGOZUGU","created_at":"2026-07-05T02:51:39Z"}],"graph_snapshots":[{"event_id":"sha256:145981d63469d47b3154fb8c3693d0f8b25a596f636919cb145d9c13c482be69","target":"graph","created_at":"2026-07-05T02:51:39Z","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/2102.08860/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a method for estimating neural scenes representations of objects given only a single image. The core of our method is the estimation of a geometric scaffold for the object and its use as a guide for the reconstruction of the underlying radiance field. Our formulation is based on a generative process that first maps a latent code to a voxelized shape, and then renders it to an image, with the object appearance being controlled by a second latent code. During inference, we optimize both the latent codes and the networks to fit a test image of a new object. The explicit disentanglement","authors_text":"Konstantinos Rematas, Ricardo Martin-Brualla, Vittorio Ferrari","cross_cats":["cs.GR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-02-17T16:40:28Z","title":"ShaRF: Shape-conditioned Radiance Fields from a Single View"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.08860","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:bc57574f81d361f089f9ea295abe4f2f95f7899523b1f72d144c90d0cc60452c","target":"record","created_at":"2026-07-05T02:51:39Z","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":"cc087b2c54be8cb71ed932ce7e927e74c30edb5465d18b4b379a705b69ad09f8","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-02-17T16:40:28Z","title_canon_sha256":"f58a1e8988a4b6d3bc67a8a4286aaaa50f1a8b5fcb4af09daf694bfce00f2b1f"},"schema_version":"1.0","source":{"id":"2102.08860","kind":"arxiv","version":2}},"canonical_sha256":"0dccecd0d49a055f728cf9ba0e533b6179165ebd2cc2863dafe81489b263eff3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dccecd0d49a055f728cf9ba0e533b6179165ebd2cc2863dafe81489b263eff3","first_computed_at":"2026-07-05T02:51:39.095301Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:51:39.095301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"33fAdysCOm1DqunPOKROhQ5JPpx7PQgmYoYMioIBAycv12u1eB4orQxnf8f7lT8giDxQ0tk2O5oTiIw/Eg9tCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:51:39.095803Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.08860","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc57574f81d361f089f9ea295abe4f2f95f7899523b1f72d144c90d0cc60452c","sha256:145981d63469d47b3154fb8c3693d0f8b25a596f636919cb145d9c13c482be69"],"state_sha256":"2e78cbb5fc644fa66b16cd377a77d172eeea5927c02053843608e7341df48c9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tl7wZ4vpDgDzJtEw9bbZUSkQbT6w/dLbRnGzx0SOoQyFD/GySpZtbZbpflyAcWENSr9IfoXEfIxB/l6KZ5Y+Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T20:49:37.413864Z","bundle_sha256":"a49196511656c7f55fe9ac86d24002c8ae1017fb0ed207622aa6c9776b8e0bf9"}}