{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZAT2JUS5AEIX345MFQAHY7NJEX","short_pith_number":"pith:ZAT2JUS5","canonical_record":{"source":{"id":"2502.09482","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-13T16:45:39Z","cross_cats_sorted":[],"title_canon_sha256":"21cdebea5499cec19b775b7dc546eda3cc7f615cb3b3e5879577e1ef14711d3d","abstract_canon_sha256":"34dad2695e7e1f0923f111e70bf16bc728fb4668bd5033976f18379fa06a7c19"},"schema_version":"1.0"},"canonical_sha256":"c827a4d25d01117df3ac2c007c7da925eb1ea6935f35af9b1a11b55921cfa91c","source":{"kind":"arxiv","id":"2502.09482","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09482","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09482v1","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09482","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZAT2JUS5AEIX","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_16","alias_value":"ZAT2JUS5AEIX345M","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_8","alias_value":"ZAT2JUS5","created_at":"2026-07-05T10:13:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZAT2JUS5AEIX345MFQAHY7NJEX","target":"record","payload":{"canonical_record":{"source":{"id":"2502.09482","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-13T16:45:39Z","cross_cats_sorted":[],"title_canon_sha256":"21cdebea5499cec19b775b7dc546eda3cc7f615cb3b3e5879577e1ef14711d3d","abstract_canon_sha256":"34dad2695e7e1f0923f111e70bf16bc728fb4668bd5033976f18379fa06a7c19"},"schema_version":"1.0"},"canonical_sha256":"c827a4d25d01117df3ac2c007c7da925eb1ea6935f35af9b1a11b55921cfa91c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:13:58.410209Z","signature_b64":"Rr9ieHCU9RkrhwU/nc7Mnxlq2StBOT36rTFIpOtUCYpc626OiIRfDBt3+c9HVxmuBjaWJ1OuRtmyCvPQCGH6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c827a4d25d01117df3ac2c007c7da925eb1ea6935f35af9b1a11b55921cfa91c","last_reissued_at":"2026-07-05T10:13:58.409716Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:13:58.409716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.09482","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":"2026-07-05T10:13:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EfYZFJzyaFAPGLQG5drTOyxZyOdk2Pm9asiWxQ2hmc6LJaZzkNanrdWLPJ3e7Pr4eT8NY6rG8Ar7pKByHuQFDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:58:19.170719Z"},"content_sha256":"9310bc0ab406c7223aed171ce41dde4f184eab786a421fb4f876679a3a6fd45a","schema_version":"1.0","event_id":"sha256:9310bc0ab406c7223aed171ce41dde4f184eab786a421fb4f876679a3a6fd45a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZAT2JUS5AEIX345MFQAHY7NJEX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Standardisation of Convex Ultrasound Data Through Geometric Analysis and Augmentation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alistair Weld, Arianna Menciassi, Giovanni Faoro, Luke Dixon, Sophie Camp, Stamatia Giannarou","submitted_at":"2025-02-13T16:45:39Z","abstract_excerpt":"The application of ultrasound in healthcare has seen increased diversity and importance. Unlike other medical imaging modalities, ultrasound research and development has historically lagged, particularly in the case of applications with data-driven algorithms. A significant issue with ultrasound is the extreme variability of the images, due to the number of different machines available and the possible combination of parameter settings. One outcome of this is the lack of standardised and benchmarking ultrasound datasets. The method proposed in this article is an approach to alleviating this is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09482","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/2502.09482/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":"2026-07-05T10:13:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JCjOY8XyGyOdlM+xrHhnktW1MzoixGWRJQCSXqK5jAsbBWtOPMDxt4tWdK5OEQrmIwr61cvZPeAqN6I0sxiDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:58:19.171087Z"},"content_sha256":"a2a0a821396f11c1eced715a1c0fd9aec5e16369e3ad7071e45435347471470a","schema_version":"1.0","event_id":"sha256:a2a0a821396f11c1eced715a1c0fd9aec5e16369e3ad7071e45435347471470a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/bundle.json","state_url":"https://pith.science/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/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":"2026-07-09T05:58:19Z","links":{"resolver":"https://pith.science/pith/ZAT2JUS5AEIX345MFQAHY7NJEX","bundle":"https://pith.science/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/bundle.json","state":"https://pith.science/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZAT2JUS5AEIX345MFQAHY7NJEX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZAT2JUS5AEIX345MFQAHY7NJEX","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":"34dad2695e7e1f0923f111e70bf16bc728fb4668bd5033976f18379fa06a7c19","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-13T16:45:39Z","title_canon_sha256":"21cdebea5499cec19b775b7dc546eda3cc7f615cb3b3e5879577e1ef14711d3d"},"schema_version":"1.0","source":{"id":"2502.09482","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09482","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09482v1","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09482","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_12","alias_value":"ZAT2JUS5AEIX","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_16","alias_value":"ZAT2JUS5AEIX345M","created_at":"2026-07-05T10:13:58Z"},{"alias_kind":"pith_short_8","alias_value":"ZAT2JUS5","created_at":"2026-07-05T10:13:58Z"}],"graph_snapshots":[{"event_id":"sha256:a2a0a821396f11c1eced715a1c0fd9aec5e16369e3ad7071e45435347471470a","target":"graph","created_at":"2026-07-05T10:13:58Z","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/2502.09482/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The application of ultrasound in healthcare has seen increased diversity and importance. Unlike other medical imaging modalities, ultrasound research and development has historically lagged, particularly in the case of applications with data-driven algorithms. A significant issue with ultrasound is the extreme variability of the images, due to the number of different machines available and the possible combination of parameter settings. One outcome of this is the lack of standardised and benchmarking ultrasound datasets. The method proposed in this article is an approach to alleviating this is","authors_text":"Alistair Weld, Arianna Menciassi, Giovanni Faoro, Luke Dixon, Sophie Camp, Stamatia Giannarou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-13T16:45:39Z","title":"Standardisation of Convex Ultrasound Data Through Geometric Analysis and Augmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09482","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":"sha256:9310bc0ab406c7223aed171ce41dde4f184eab786a421fb4f876679a3a6fd45a","target":"record","created_at":"2026-07-05T10:13:58Z","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":"34dad2695e7e1f0923f111e70bf16bc728fb4668bd5033976f18379fa06a7c19","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-13T16:45:39Z","title_canon_sha256":"21cdebea5499cec19b775b7dc546eda3cc7f615cb3b3e5879577e1ef14711d3d"},"schema_version":"1.0","source":{"id":"2502.09482","kind":"arxiv","version":1}},"canonical_sha256":"c827a4d25d01117df3ac2c007c7da925eb1ea6935f35af9b1a11b55921cfa91c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c827a4d25d01117df3ac2c007c7da925eb1ea6935f35af9b1a11b55921cfa91c","first_computed_at":"2026-07-05T10:13:58.409716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:13:58.409716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rr9ieHCU9RkrhwU/nc7Mnxlq2StBOT36rTFIpOtUCYpc626OiIRfDBt3+c9HVxmuBjaWJ1OuRtmyCvPQCGH6AA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:13:58.410209Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.09482","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9310bc0ab406c7223aed171ce41dde4f184eab786a421fb4f876679a3a6fd45a","sha256:a2a0a821396f11c1eced715a1c0fd9aec5e16369e3ad7071e45435347471470a"],"state_sha256":"47012fe2df3023785d30eddd23899712af57822f8d897947901a62f9e9494f92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jonYEgAcCdMDDdpvvYY0vPYNOKs5cOS8vB8FAdSqqW8UgvW8dpEJAF+efwdIr0HyvgbXX63jQFOzWKto0PsnCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:58:19.173144Z","bundle_sha256":"8b768037978e1aabaea6f6272b59ee0d5e400478d383f908f7220c779f1af107"}}