{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CDOCZMZRYHF4QRTXT5CJQPH63K","short_pith_number":"pith:CDOCZMZR","canonical_record":{"source":{"id":"2506.17403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-06-20T18:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"35190c399c550328c0259fef2f5b4038b080469a4f7f84b43bb7b32d29306267","abstract_canon_sha256":"b48318ee6eff4f1739f0a9344c35e24867b72b8b44fe1aa3fc3a88d8beea781f"},"schema_version":"1.0"},"canonical_sha256":"10dc2cb331c1cbc846779f44983cfeda9b826c5c0a3aecf243334e5cfdb19f73","source":{"kind":"arxiv","id":"2506.17403","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.17403","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"2506.17403v1","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.17403","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"CDOCZMZRYHF4","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_16","alias_value":"CDOCZMZRYHF4QRTX","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_8","alias_value":"CDOCZMZR","created_at":"2026-07-05T11:25:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CDOCZMZRYHF4QRTXT5CJQPH63K","target":"record","payload":{"canonical_record":{"source":{"id":"2506.17403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-06-20T18:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"35190c399c550328c0259fef2f5b4038b080469a4f7f84b43bb7b32d29306267","abstract_canon_sha256":"b48318ee6eff4f1739f0a9344c35e24867b72b8b44fe1aa3fc3a88d8beea781f"},"schema_version":"1.0"},"canonical_sha256":"10dc2cb331c1cbc846779f44983cfeda9b826c5c0a3aecf243334e5cfdb19f73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:25:17.039633Z","signature_b64":"u0TY41YLYRuVBpsGpYGEg9kYj+KxdfdLeJwNqISH97egva78M79lqmRJK5W8WmBzpyuwghemrUV7jsoamqjhDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10dc2cb331c1cbc846779f44983cfeda9b826c5c0a3aecf243334e5cfdb19f73","last_reissued_at":"2026-07-05T11:25:17.039141Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:25:17.039141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.17403","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":"2026-07-05T11:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rdA/48NAegd2EtmNClmd5E9cBwhc7tls92BymnQS3CWuEE4wd+ozhYYwRbdx0Ao7UtLb0RV0gfMfK4bpVnmsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:23:38.070007Z"},"content_sha256":"29314d34359c2028885be4f4d6373b178f0828ed536f7fb356524b9299999e3b","schema_version":"1.0","event_id":"sha256:29314d34359c2028885be4f4d6373b178f0828ed536f7fb356524b9299999e3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CDOCZMZRYHF4QRTXT5CJQPH63K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatial-Temporal Pre-Training for Embryo Viability Prediction Using Time-Lapse Videos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dalit Ben-Yosef, Daniel Needleman, Hanspeter Pfister, Helen Y. Yang, Hyun-Jic Oh, Junsik Kim, Yonghyun Song, Zhiyi Shi","submitted_at":"2025-06-20T18:08:41Z","abstract_excerpt":"Automating embryo viability prediction for in vitro fertilization (IVF) is important but challenging due to the limited availability of labeled pregnancy outcome data, as only a small fraction of embryos are labeled after transfer. Self-supervised learning (SSL) can leverage both labeled and unlabeled data to improve prediction. However, existing SSL methods for videos are not directly applicable to embryo development videos due to two challenges: (1) embryo time-lapse videos contain hundreds of frames, requiring significant GPU memory for conventional SSL; (2) the dataset contains videos with"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.17403","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/2506.17403/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":"2026-07-05T11:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B2+IPMKm2TJtipMXiqeZjcd9Z3kneNdYpNoVOqVXsUVY3GrCbt7RcLTmMnAjZzufOkPbQpxZR9uao7aA9NLJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:23:38.070972Z"},"content_sha256":"90d87ab46ba6e5610c999857640bfad810fb0a5ef8c7bc2fc62f8f3970ed7a17","schema_version":"1.0","event_id":"sha256:90d87ab46ba6e5610c999857640bfad810fb0a5ef8c7bc2fc62f8f3970ed7a17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/bundle.json","state_url":"https://pith.science/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/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":"2026-08-07T09:23:38Z","links":{"resolver":"https://pith.science/pith/CDOCZMZRYHF4QRTXT5CJQPH63K","bundle":"https://pith.science/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/bundle.json","state":"https://pith.science/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CDOCZMZRYHF4QRTXT5CJQPH63K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CDOCZMZRYHF4QRTXT5CJQPH63K","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":"b48318ee6eff4f1739f0a9344c35e24867b72b8b44fe1aa3fc3a88d8beea781f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-06-20T18:08:41Z","title_canon_sha256":"35190c399c550328c0259fef2f5b4038b080469a4f7f84b43bb7b32d29306267"},"schema_version":"1.0","source":{"id":"2506.17403","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.17403","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"2506.17403v1","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.17403","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"CDOCZMZRYHF4","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_16","alias_value":"CDOCZMZRYHF4QRTX","created_at":"2026-07-05T11:25:17Z"},{"alias_kind":"pith_short_8","alias_value":"CDOCZMZR","created_at":"2026-07-05T11:25:17Z"}],"graph_snapshots":[{"event_id":"sha256:90d87ab46ba6e5610c999857640bfad810fb0a5ef8c7bc2fc62f8f3970ed7a17","target":"graph","created_at":"2026-07-05T11:25:17Z","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/2506.17403/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Automating embryo viability prediction for in vitro fertilization (IVF) is important but challenging due to the limited availability of labeled pregnancy outcome data, as only a small fraction of embryos are labeled after transfer. Self-supervised learning (SSL) can leverage both labeled and unlabeled data to improve prediction. However, existing SSL methods for videos are not directly applicable to embryo development videos due to two challenges: (1) embryo time-lapse videos contain hundreds of frames, requiring significant GPU memory for conventional SSL; (2) the dataset contains videos with","authors_text":"Dalit Ben-Yosef, Daniel Needleman, Hanspeter Pfister, Helen Y. Yang, Hyun-Jic Oh, Junsik Kim, Yonghyun Song, Zhiyi Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-06-20T18:08:41Z","title":"Spatial-Temporal Pre-Training for Embryo Viability Prediction Using Time-Lapse Videos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.17403","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":"sha256:29314d34359c2028885be4f4d6373b178f0828ed536f7fb356524b9299999e3b","target":"record","created_at":"2026-07-05T11:25:17Z","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":"b48318ee6eff4f1739f0a9344c35e24867b72b8b44fe1aa3fc3a88d8beea781f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-06-20T18:08:41Z","title_canon_sha256":"35190c399c550328c0259fef2f5b4038b080469a4f7f84b43bb7b32d29306267"},"schema_version":"1.0","source":{"id":"2506.17403","kind":"arxiv","version":1}},"canonical_sha256":"10dc2cb331c1cbc846779f44983cfeda9b826c5c0a3aecf243334e5cfdb19f73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10dc2cb331c1cbc846779f44983cfeda9b826c5c0a3aecf243334e5cfdb19f73","first_computed_at":"2026-07-05T11:25:17.039141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:25:17.039141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u0TY41YLYRuVBpsGpYGEg9kYj+KxdfdLeJwNqISH97egva78M79lqmRJK5W8WmBzpyuwghemrUV7jsoamqjhDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:25:17.039633Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.17403","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29314d34359c2028885be4f4d6373b178f0828ed536f7fb356524b9299999e3b","sha256:90d87ab46ba6e5610c999857640bfad810fb0a5ef8c7bc2fc62f8f3970ed7a17"],"state_sha256":"f8f409a92a6fb70fe9cb2c95ed44b5a75eb942a46af671483f9ba3b9287cf1cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ynOhcpk3wXkpx3a85FA0z8j+2pk8VWd3VxvSHZd4zsNyhAQF0k8Z8T4tpZhuiFUAW9m++/TcWRaXAmMWVNxSDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T09:23:38.078826Z","bundle_sha256":"08c2d4f1dca9a726f0c1c792f29f77c8d549240e54a484641799893c6e85c2e8"}}