{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4GID4TP7AKEB4DRNR6XO5OOASP","short_pith_number":"pith:4GID4TP7","canonical_record":{"source":{"id":"2601.22026","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2026-01-29T17:33:14Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"8a54757cb3c75abe3721088753cd5a33100ea1a5f1cb287f8e28f3a4e8b58db7","abstract_canon_sha256":"af1842a597313c7e2e12e9c51fc13f35f23461ec08df2e2dc4665ac1404fa418"},"schema_version":"1.0"},"canonical_sha256":"e1903e4dff02881e0e2d8faeeeb9c093cfb8271888a96a16f246be59134f253f","source":{"kind":"arxiv","id":"2601.22026","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.22026","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"arxiv_version","alias_value":"2601.22026v1","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.22026","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_12","alias_value":"4GID4TP7AKEB","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_16","alias_value":"4GID4TP7AKEB4DRN","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_8","alias_value":"4GID4TP7","created_at":"2026-07-13T01:17:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4GID4TP7AKEB4DRNR6XO5OOASP","target":"record","payload":{"canonical_record":{"source":{"id":"2601.22026","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2026-01-29T17:33:14Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"8a54757cb3c75abe3721088753cd5a33100ea1a5f1cb287f8e28f3a4e8b58db7","abstract_canon_sha256":"af1842a597313c7e2e12e9c51fc13f35f23461ec08df2e2dc4665ac1404fa418"},"schema_version":"1.0"},"canonical_sha256":"e1903e4dff02881e0e2d8faeeeb9c093cfb8271888a96a16f246be59134f253f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-13T01:17:55.990705Z","signature_b64":"hFo9FJZvGX4r7VR7ZOHv8kbzq3sDI1QadXZdwqIYj1rolSopivDtFDBVIrOLuuqAiLXdQ0juJM5mAUbuTYqeAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1903e4dff02881e0e2d8faeeeb9c093cfb8271888a96a16f246be59134f253f","last_reissued_at":"2026-07-13T01:17:55.989253Z","signature_status":"signed_v1","first_computed_at":"2026-07-13T01:17:55.989253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.22026","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":"2026-07-13T01:17:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BpQaYT6i3PstEMuKRUQDQg1gLukn2M8iyPGOCQY2YDiUogEAwvPaYDH2Iu4pnFovArryRcgZ7PNla5n/6OqzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T07:04:12.682725Z"},"content_sha256":"49eda4fd994553088c248283abc16b18b200745530586bceff3cc3fce9c35b04","schema_version":"1.0","event_id":"sha256:49eda4fd994553088c248283abc16b18b200745530586bceff3cc3fce9c35b04"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4GID4TP7AKEB4DRNR6XO5OOASP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid Foveated Path Tracing with Peripheral Gaussians for Immersive Anatomy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.GR","authors_text":"Constantin Kleinbeck, Daniel Roth, Hannah Schieber, Luisa Theelke, R\\\"udiger von Eisenhart-Rothe, Ulrich Eck","submitted_at":"2026-01-29T17:33:14Z","abstract_excerpt":"Volumetric medical imaging offers great potential for understanding complex pathologies. Yet, traditional 2D slices provide little support for interpreting spatial relationships, forcing users to mentally reconstruct anatomy into three dimensions. Direct volumetric path tracing and VR rendering can improve perception but are computationally expensive, while precomputed representations, like Gaussian Splatting, require planning ahead. Both approaches limit interactive use.\n  We propose a hybrid rendering approach for high-quality, interactive, and immersive anatomical visualization. Our method "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.22026","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/2601.22026/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":"2026-07-13T01:17:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QHxRiNT+ef8o2jU7JatZfE1izCh+MNzF+TO8i6h952efiwPqFcOBPRLqretGI5NWiKs5j4g+dYnyYTxbqfFPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T07:04:12.683246Z"},"content_sha256":"895ea51260f17e89b4583e82da3053f159184c23850b7cda3f02e7b0d0fbb8d8","schema_version":"1.0","event_id":"sha256:895ea51260f17e89b4583e82da3053f159184c23850b7cda3f02e7b0d0fbb8d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GID4TP7AKEB4DRNR6XO5OOASP/bundle.json","state_url":"https://pith.science/pith/4GID4TP7AKEB4DRNR6XO5OOASP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GID4TP7AKEB4DRNR6XO5OOASP/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":"2026-08-08T07:04:12Z","links":{"resolver":"https://pith.science/pith/4GID4TP7AKEB4DRNR6XO5OOASP","bundle":"https://pith.science/pith/4GID4TP7AKEB4DRNR6XO5OOASP/bundle.json","state":"https://pith.science/pith/4GID4TP7AKEB4DRNR6XO5OOASP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GID4TP7AKEB4DRNR6XO5OOASP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4GID4TP7AKEB4DRNR6XO5OOASP","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":"af1842a597313c7e2e12e9c51fc13f35f23461ec08df2e2dc4665ac1404fa418","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2026-01-29T17:33:14Z","title_canon_sha256":"8a54757cb3c75abe3721088753cd5a33100ea1a5f1cb287f8e28f3a4e8b58db7"},"schema_version":"1.0","source":{"id":"2601.22026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.22026","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"arxiv_version","alias_value":"2601.22026v1","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.22026","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_12","alias_value":"4GID4TP7AKEB","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_16","alias_value":"4GID4TP7AKEB4DRN","created_at":"2026-07-13T01:17:55Z"},{"alias_kind":"pith_short_8","alias_value":"4GID4TP7","created_at":"2026-07-13T01:17:55Z"}],"graph_snapshots":[{"event_id":"sha256:895ea51260f17e89b4583e82da3053f159184c23850b7cda3f02e7b0d0fbb8d8","target":"graph","created_at":"2026-07-13T01:17:55Z","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/2601.22026/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Volumetric medical imaging offers great potential for understanding complex pathologies. Yet, traditional 2D slices provide little support for interpreting spatial relationships, forcing users to mentally reconstruct anatomy into three dimensions. Direct volumetric path tracing and VR rendering can improve perception but are computationally expensive, while precomputed representations, like Gaussian Splatting, require planning ahead. Both approaches limit interactive use.\n  We propose a hybrid rendering approach for high-quality, interactive, and immersive anatomical visualization. Our method ","authors_text":"Constantin Kleinbeck, Daniel Roth, Hannah Schieber, Luisa Theelke, R\\\"udiger von Eisenhart-Rothe, Ulrich Eck","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2026-01-29T17:33:14Z","title":"Hybrid Foveated Path Tracing with Peripheral Gaussians for Immersive Anatomy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.22026","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":"sha256:49eda4fd994553088c248283abc16b18b200745530586bceff3cc3fce9c35b04","target":"record","created_at":"2026-07-13T01:17:55Z","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":"af1842a597313c7e2e12e9c51fc13f35f23461ec08df2e2dc4665ac1404fa418","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2026-01-29T17:33:14Z","title_canon_sha256":"8a54757cb3c75abe3721088753cd5a33100ea1a5f1cb287f8e28f3a4e8b58db7"},"schema_version":"1.0","source":{"id":"2601.22026","kind":"arxiv","version":1}},"canonical_sha256":"e1903e4dff02881e0e2d8faeeeb9c093cfb8271888a96a16f246be59134f253f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1903e4dff02881e0e2d8faeeeb9c093cfb8271888a96a16f246be59134f253f","first_computed_at":"2026-07-13T01:17:55.989253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-13T01:17:55.989253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hFo9FJZvGX4r7VR7ZOHv8kbzq3sDI1QadXZdwqIYj1rolSopivDtFDBVIrOLuuqAiLXdQ0juJM5mAUbuTYqeAQ==","signature_status":"signed_v1","signed_at":"2026-07-13T01:17:55.990705Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.22026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49eda4fd994553088c248283abc16b18b200745530586bceff3cc3fce9c35b04","sha256:895ea51260f17e89b4583e82da3053f159184c23850b7cda3f02e7b0d0fbb8d8"],"state_sha256":"5fb04ca77b765b946269a9b4fa76e8737487ccf50803b73537a51c322a78a328"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OzBT2UrBeLWtc6oc7HqanXTsPrNJp5tdnLHXlMc1nqPTTdInAHIDkjx1ceIubNHCTWcA2G3m3e9H1YADsU7HAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T07:04:12.688053Z","bundle_sha256":"c0d71b933de4d2c1cc64ff274dc2a8080341cc244b5a922736e3fc4c2d211792"}}