{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:S6WAIDYIC4CZZ7LATNQQLXP7SQ","short_pith_number":"pith:S6WAIDYI","canonical_record":{"source":{"id":"2412.06445","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-12-09T12:44:03Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"368a6bd28f9e03143122f48aabde792c7994719ade6cecce5551d7eaecb25253","abstract_canon_sha256":"eda8511017bda5bf9df6415b8c5442dd88d5fbc51c5034fb9114e2bbf7854ea2"},"schema_version":"1.0"},"canonical_sha256":"97ac040f0817059cfd609b6105ddff94365fa7768d5046522fbbdf435a552956","source":{"kind":"arxiv","id":"2412.06445","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.06445","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"2412.06445v1","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.06445","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"S6WAIDYIC4CZ","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_16","alias_value":"S6WAIDYIC4CZZ7LA","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_8","alias_value":"S6WAIDYI","created_at":"2026-07-05T09:46:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:S6WAIDYIC4CZZ7LATNQQLXP7SQ","target":"record","payload":{"canonical_record":{"source":{"id":"2412.06445","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-12-09T12:44:03Z","cross_cats_sorted":["cs.CV","cs.LG"],"title_canon_sha256":"368a6bd28f9e03143122f48aabde792c7994719ade6cecce5551d7eaecb25253","abstract_canon_sha256":"eda8511017bda5bf9df6415b8c5442dd88d5fbc51c5034fb9114e2bbf7854ea2"},"schema_version":"1.0"},"canonical_sha256":"97ac040f0817059cfd609b6105ddff94365fa7768d5046522fbbdf435a552956","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:46:32.103905Z","signature_b64":"axn4dEuSMICCiaWFv/X6XbJsckEduE2mt7gWIoETSxzxg5yRjtrlPbzQJc5K/Y/XV9xWrMjdxU4oM69vWnRuDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97ac040f0817059cfd609b6105ddff94365fa7768d5046522fbbdf435a552956","last_reissued_at":"2026-07-05T09:46:32.103417Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:46:32.103417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.06445","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":"2026-07-05T09:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gaaklYngR9ELz9cKEGxeLGgJ4kuklIuyy38M+SYBKkkj+iTI7XoRnQkA5WGFPtUN1QuWGEmky5ZIXFefe5hCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:36:13.449880Z"},"content_sha256":"460168fc24b3d500c3ebfb824344fc9e9e49e302fbaa0b30d5cd2b7fdf2929df","schema_version":"1.0","event_id":"sha256:460168fc24b3d500c3ebfb824344fc9e9e49e302fbaa0b30d5cd2b7fdf2929df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:S6WAIDYIC4CZZ7LATNQQLXP7SQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Echocardiography to Cardiac MRI View Transformation for Real-Time Blind Restoration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","cs.LG"],"primary_cat":"eess.IV","authors_text":"Aysen Degerli, Ilke Adalioglu, Mete Ahishali, Moncef Gabbouj, Rahmat Ghaffar, Ridha Hamila, Serkan Kiranyaz, Tahir Hamid","submitted_at":"2024-12-09T12:44:03Z","abstract_excerpt":"Echocardiography is the most widely used imaging to monitor cardiac functions, serving as the first line in early detection of myocardial ischemia and infarction. However, echocardiography often suffers from several artifacts including sensor noise, lack of contrast, severe saturation, and missing myocardial segments which severely limit its usage in clinical diagnosis. In recent years, several machine learning methods have been proposed to improve echocardiography views. Yet, these methods usually address only a specific problem (e.g. denoising) and thus cannot provide a robust and reliable r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.06445","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/2412.06445/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":"2026-07-05T09:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4e/x9mtMXG/YGs1gjpje5lq/gU9EsXeea9KyFeIkqJoKbVb4MaRQHYCGXD2kxLAxlb9aXityCrg36Ja3azpcBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:36:13.450548Z"},"content_sha256":"18d36800f36a0a6b69c08a1739a6b40353ded8b652b03259023f4db10d83c8e2","schema_version":"1.0","event_id":"sha256:18d36800f36a0a6b69c08a1739a6b40353ded8b652b03259023f4db10d83c8e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/bundle.json","state_url":"https://pith.science/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/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":"2026-07-07T06:36:13Z","links":{"resolver":"https://pith.science/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ","bundle":"https://pith.science/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/bundle.json","state":"https://pith.science/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S6WAIDYIC4CZZ7LATNQQLXP7SQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:S6WAIDYIC4CZZ7LATNQQLXP7SQ","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":"eda8511017bda5bf9df6415b8c5442dd88d5fbc51c5034fb9114e2bbf7854ea2","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-12-09T12:44:03Z","title_canon_sha256":"368a6bd28f9e03143122f48aabde792c7994719ade6cecce5551d7eaecb25253"},"schema_version":"1.0","source":{"id":"2412.06445","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.06445","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"2412.06445v1","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.06445","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"S6WAIDYIC4CZ","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_16","alias_value":"S6WAIDYIC4CZZ7LA","created_at":"2026-07-05T09:46:32Z"},{"alias_kind":"pith_short_8","alias_value":"S6WAIDYI","created_at":"2026-07-05T09:46:32Z"}],"graph_snapshots":[{"event_id":"sha256:18d36800f36a0a6b69c08a1739a6b40353ded8b652b03259023f4db10d83c8e2","target":"graph","created_at":"2026-07-05T09:46:32Z","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/2412.06445/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Echocardiography is the most widely used imaging to monitor cardiac functions, serving as the first line in early detection of myocardial ischemia and infarction. However, echocardiography often suffers from several artifacts including sensor noise, lack of contrast, severe saturation, and missing myocardial segments which severely limit its usage in clinical diagnosis. In recent years, several machine learning methods have been proposed to improve echocardiography views. Yet, these methods usually address only a specific problem (e.g. denoising) and thus cannot provide a robust and reliable r","authors_text":"Aysen Degerli, Ilke Adalioglu, Mete Ahishali, Moncef Gabbouj, Rahmat Ghaffar, Ridha Hamila, Serkan Kiranyaz, Tahir Hamid","cross_cats":["cs.CV","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-12-09T12:44:03Z","title":"Echocardiography to Cardiac MRI View Transformation for Real-Time Blind Restoration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.06445","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":"sha256:460168fc24b3d500c3ebfb824344fc9e9e49e302fbaa0b30d5cd2b7fdf2929df","target":"record","created_at":"2026-07-05T09:46:32Z","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":"eda8511017bda5bf9df6415b8c5442dd88d5fbc51c5034fb9114e2bbf7854ea2","cross_cats_sorted":["cs.CV","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2024-12-09T12:44:03Z","title_canon_sha256":"368a6bd28f9e03143122f48aabde792c7994719ade6cecce5551d7eaecb25253"},"schema_version":"1.0","source":{"id":"2412.06445","kind":"arxiv","version":1}},"canonical_sha256":"97ac040f0817059cfd609b6105ddff94365fa7768d5046522fbbdf435a552956","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97ac040f0817059cfd609b6105ddff94365fa7768d5046522fbbdf435a552956","first_computed_at":"2026-07-05T09:46:32.103417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:46:32.103417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"axn4dEuSMICCiaWFv/X6XbJsckEduE2mt7gWIoETSxzxg5yRjtrlPbzQJc5K/Y/XV9xWrMjdxU4oM69vWnRuDA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:46:32.103905Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.06445","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:460168fc24b3d500c3ebfb824344fc9e9e49e302fbaa0b30d5cd2b7fdf2929df","sha256:18d36800f36a0a6b69c08a1739a6b40353ded8b652b03259023f4db10d83c8e2"],"state_sha256":"f13e994cb39be1c9ef22e085bb1bd9a0a08e5b5a56b58775fe1fe29b11196e21"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jmJL2TDsvjuJZoZPCRlHf/f1PKay4s/+6pjDSvYT3WZLboDYrauZG7ZDPMs6UNw8Oc8X68DuRxhduumr5Kj/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:36:13.453915Z","bundle_sha256":"346596610c4603b6c6f9544fa6616bdb1ad27b6cfa0e79b78b3d3edd0f49d9ba"}}