{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BGNKLMFWNA52SQB2CYPPNENFGJ","short_pith_number":"pith:BGNKLMFW","canonical_record":{"source":{"id":"2412.13156","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-17T18:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"2ba34a2b4c6a00bb39b3dd3fe469558f3d07c4de6a5d349532c3f4507e3fac70","abstract_canon_sha256":"fd9763ce234e19b40bef4f07141175336db0dbce082dec7152bb9192f0dda1d9"},"schema_version":"1.0"},"canonical_sha256":"099aa5b0b6683ba9403a161ef691a53266fab3bb3230cbfd3561533e4c9edad6","source":{"kind":"arxiv","id":"2412.13156","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.13156","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"2412.13156v1","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13156","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"BGNKLMFWNA52","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_16","alias_value":"BGNKLMFWNA52SQB2","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_8","alias_value":"BGNKLMFW","created_at":"2026-07-05T09:50:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BGNKLMFWNA52SQB2CYPPNENFGJ","target":"record","payload":{"canonical_record":{"source":{"id":"2412.13156","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-17T18:30:22Z","cross_cats_sorted":[],"title_canon_sha256":"2ba34a2b4c6a00bb39b3dd3fe469558f3d07c4de6a5d349532c3f4507e3fac70","abstract_canon_sha256":"fd9763ce234e19b40bef4f07141175336db0dbce082dec7152bb9192f0dda1d9"},"schema_version":"1.0"},"canonical_sha256":"099aa5b0b6683ba9403a161ef691a53266fab3bb3230cbfd3561533e4c9edad6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:50:41.174875Z","signature_b64":"2awX+a84YxuQcC06gjNyLDRVoYbtdzKveRcHc8I9yEAUz8sWjxyRKwEYeGmy2bx79cBtOFUDhZEEBEih8LEVDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"099aa5b0b6683ba9403a161ef691a53266fab3bb3230cbfd3561533e4c9edad6","last_reissued_at":"2026-07-05T09:50:41.174269Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:50:41.174269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.13156","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":"2026-07-05T09:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lDRGtqkgeiYoLC6NFlTittfINjqKNwfGx1GOhwdZJ+xWpGmNDOUO8s28SMIZFowcsnZ1FRNDJrza12ZyEymsDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T07:34:03.402649Z"},"content_sha256":"edcd2bacfa9ed7d35351ab2a567a483522cb2b78e94a91e0ae7a09977ffe7b58","schema_version":"1.0","event_id":"sha256:edcd2bacfa9ed7d35351ab2a567a483522cb2b78e94a91e0ae7a09977ffe7b58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BGNKLMFWNA52SQB2CYPPNENFGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"S2S2: Semantic Stacking for Robust Semantic Segmentation in Medical Imaging","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alison D. Gernand, James Z. Wang, Jeffery A. Goldstein, Sitao Zhang, Yimu Pan","submitted_at":"2024-12-17T18:30:22Z","abstract_excerpt":"Robustness and generalizability in medical image segmentation are often hindered by scarcity and limited diversity of training data, which stands in contrast to the variability encountered during inference. While conventional strategies -- such as domain-specific augmentation, specialized architectures, and tailored training procedures -- can alleviate these issues, they depend on the availability and reliability of domain knowledge. When such knowledge is unavailable, misleading, or improperly applied, performance may deteriorate. In response, we introduce a novel, domain-agnostic, add-on, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13156","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/2412.13156/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":"2026-07-05T09:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tVUgLiSeENjxzorWy47AgN4eMqJP/s5e9lTKodA4wPo5+5axOgOBAV0JnnTPuP0EEiBKIZwvnUTRqtl4Jr3lDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T07:34:03.403214Z"},"content_sha256":"4e3aba91cfbdef280d86440f7021806cf3862f21d6930eaf234e69eb5b5ddb89","schema_version":"1.0","event_id":"sha256:4e3aba91cfbdef280d86440f7021806cf3862f21d6930eaf234e69eb5b5ddb89"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/bundle.json","state_url":"https://pith.science/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/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":"2026-08-20T07:34:03Z","links":{"resolver":"https://pith.science/pith/BGNKLMFWNA52SQB2CYPPNENFGJ","bundle":"https://pith.science/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/bundle.json","state":"https://pith.science/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BGNKLMFWNA52SQB2CYPPNENFGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BGNKLMFWNA52SQB2CYPPNENFGJ","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":"fd9763ce234e19b40bef4f07141175336db0dbce082dec7152bb9192f0dda1d9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-17T18:30:22Z","title_canon_sha256":"2ba34a2b4c6a00bb39b3dd3fe469558f3d07c4de6a5d349532c3f4507e3fac70"},"schema_version":"1.0","source":{"id":"2412.13156","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.13156","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"2412.13156v1","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13156","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"BGNKLMFWNA52","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_16","alias_value":"BGNKLMFWNA52SQB2","created_at":"2026-07-05T09:50:41Z"},{"alias_kind":"pith_short_8","alias_value":"BGNKLMFW","created_at":"2026-07-05T09:50:41Z"}],"graph_snapshots":[{"event_id":"sha256:4e3aba91cfbdef280d86440f7021806cf3862f21d6930eaf234e69eb5b5ddb89","target":"graph","created_at":"2026-07-05T09:50:41Z","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/2412.13156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Robustness and generalizability in medical image segmentation are often hindered by scarcity and limited diversity of training data, which stands in contrast to the variability encountered during inference. While conventional strategies -- such as domain-specific augmentation, specialized architectures, and tailored training procedures -- can alleviate these issues, they depend on the availability and reliability of domain knowledge. When such knowledge is unavailable, misleading, or improperly applied, performance may deteriorate. In response, we introduce a novel, domain-agnostic, add-on, an","authors_text":"Alison D. Gernand, James Z. Wang, Jeffery A. Goldstein, Sitao Zhang, Yimu Pan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-17T18:30:22Z","title":"S2S2: Semantic Stacking for Robust Semantic Segmentation in Medical Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13156","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:edcd2bacfa9ed7d35351ab2a567a483522cb2b78e94a91e0ae7a09977ffe7b58","target":"record","created_at":"2026-07-05T09:50:41Z","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":"fd9763ce234e19b40bef4f07141175336db0dbce082dec7152bb9192f0dda1d9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-12-17T18:30:22Z","title_canon_sha256":"2ba34a2b4c6a00bb39b3dd3fe469558f3d07c4de6a5d349532c3f4507e3fac70"},"schema_version":"1.0","source":{"id":"2412.13156","kind":"arxiv","version":1}},"canonical_sha256":"099aa5b0b6683ba9403a161ef691a53266fab3bb3230cbfd3561533e4c9edad6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"099aa5b0b6683ba9403a161ef691a53266fab3bb3230cbfd3561533e4c9edad6","first_computed_at":"2026-07-05T09:50:41.174269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:50:41.174269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2awX+a84YxuQcC06gjNyLDRVoYbtdzKveRcHc8I9yEAUz8sWjxyRKwEYeGmy2bx79cBtOFUDhZEEBEih8LEVDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:50:41.174875Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.13156","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edcd2bacfa9ed7d35351ab2a567a483522cb2b78e94a91e0ae7a09977ffe7b58","sha256:4e3aba91cfbdef280d86440f7021806cf3862f21d6930eaf234e69eb5b5ddb89"],"state_sha256":"9ebeb418c9a8d6858434f79ef728a4c4fd30e0c354a79da14c2e3d1f5b6264ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c6ayWfPbFsCxtw2xE4y7vvsln6SpaB08x1GiqNHSUOii8sQEWR6+FU1G/IFZVpACAV4TAk01BJsDuA5514Q+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T07:34:03.406927Z","bundle_sha256":"4d0a2501440abd71bafbec3f06bf55b1f52a275c3458a1e6c1047eeef54def10"}}