{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NYOFQCC5HQZMAERMKK6N3ETPJS","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":"703bf206aaa6933325c42cabd8af743678869396c97b484aeb67d57100df6169","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T15:32:40Z","title_canon_sha256":"c944ce9bcff8736807924dd04c42bd4273bc290c818c3779b419f29bef77411b"},"schema_version":"1.0","source":{"id":"2606.29461","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.29461","created_at":"2026-06-30T01:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.29461v1","created_at":"2026-06-30T01:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29461","created_at":"2026-06-30T01:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"NYOFQCC5HQZM","created_at":"2026-06-30T01:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"NYOFQCC5HQZMAERM","created_at":"2026-06-30T01:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"NYOFQCC5","created_at":"2026-06-30T01:18:07Z"}],"graph_snapshots":[{"event_id":"sha256:5c43b106ea55a3138b2ce0aea27b923c15cf7e993f27a97dda411d2c3f9e0158","target":"graph","created_at":"2026-06-30T01:18:07Z","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/2606.29461/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a self-supervised pretraining framework for learning sub-surface scattering (SSS) light transport representations from minimal input. Our method leverages a stereo projector-camera setup that captures only eight high-frequency phase-shift profilometry (PSP) images per view to pretrain an encoder in a multi-view, multi-object setting. We introduce a tailored augmentation strategy for PSP-based SSS data, and show that it significantly outperforms standard ImageNet-style augmentations for SSL pretraining. The pretrained encoder learns generalizable SSS representations that transfer eff","authors_text":"Andreas Engelhardt, Arjun Majumdar, Hendrik PA. Lensch, Raphael Braun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T15:32:40Z","title":"From Phase to Phenomenon: Self-Supervised Learning of Subsurface Scattering with Minimal Phase-shift Inputs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29461","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:d276e6b5d675d8a62f8aa13aa4f854d3c732341b6dbaac32f3a6b05e81ccdeca","target":"record","created_at":"2026-06-30T01:18:07Z","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":"703bf206aaa6933325c42cabd8af743678869396c97b484aeb67d57100df6169","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-28T15:32:40Z","title_canon_sha256":"c944ce9bcff8736807924dd04c42bd4273bc290c818c3779b419f29bef77411b"},"schema_version":"1.0","source":{"id":"2606.29461","kind":"arxiv","version":1}},"canonical_sha256":"6e1c58085d3c32c0122c52bcdd926f4cbd696d3d7c4dc362d2a0d81493f9b9d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e1c58085d3c32c0122c52bcdd926f4cbd696d3d7c4dc362d2a0d81493f9b9d1","first_computed_at":"2026-06-30T01:18:07.370894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T01:18:07.370894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ttgfNVuBxg9wvThCN640KR/WeAZ+op3diwRuOUhpMBBkvNJeFqdvsnyxxe0Sc7eJ6IQhYalTyz+G9A0hXlbeAw==","signature_status":"signed_v1","signed_at":"2026-06-30T01:18:07.371430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.29461","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d276e6b5d675d8a62f8aa13aa4f854d3c732341b6dbaac32f3a6b05e81ccdeca","sha256:5c43b106ea55a3138b2ce0aea27b923c15cf7e993f27a97dda411d2c3f9e0158"],"state_sha256":"21f26151d473407862fad238de86c119886015ad7578df75fdec0829a41dbea3"}