{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3M4RUL7XJTB24ZABFURIQDFCHI","short_pith_number":"pith:3M4RUL7X","canonical_record":{"source":{"id":"2209.13848","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-09-28T06:03:43Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"01f34e493ab9e9fac93d20c59db649558b1795809b95fa92631b7b909d765acf","abstract_canon_sha256":"c8df4ae75a6301a46b039d7a15769875997aceb7747549d9b40b17e6d3e3e90d"},"schema_version":"1.0"},"canonical_sha256":"db391a2ff74cc3ae64012d22880ca23a322c1458140e0136264520ae52e99e56","source":{"kind":"arxiv","id":"2209.13848","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.13848","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"arxiv_version","alias_value":"2209.13848v1","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.13848","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_12","alias_value":"3M4RUL7XJTB2","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_16","alias_value":"3M4RUL7XJTB24ZAB","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_8","alias_value":"3M4RUL7X","created_at":"2026-07-05T05:01:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3M4RUL7XJTB24ZABFURIQDFCHI","target":"record","payload":{"canonical_record":{"source":{"id":"2209.13848","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-09-28T06:03:43Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"01f34e493ab9e9fac93d20c59db649558b1795809b95fa92631b7b909d765acf","abstract_canon_sha256":"c8df4ae75a6301a46b039d7a15769875997aceb7747549d9b40b17e6d3e3e90d"},"schema_version":"1.0"},"canonical_sha256":"db391a2ff74cc3ae64012d22880ca23a322c1458140e0136264520ae52e99e56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:01:44.879312Z","signature_b64":"rUsUHr8d77hc7cWsp3kmQ3qTkes1GUn3msL31lNJdegbV4DsLU7TNUxEQJ+WjYS4Smys/6BsPLHtweXeJUHgCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db391a2ff74cc3ae64012d22880ca23a322c1458140e0136264520ae52e99e56","last_reissued_at":"2026-07-05T05:01:44.878826Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:01:44.878826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.13848","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":"2026-07-05T05:01:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mNABzNSJQfMfQfJP4CqJ/b/Nkw6043n3KVi6Jtbv1dS7IyEBjUOQYdV+qXxxrKfl1B2j0fAJEYOhyhgMybWcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T22:45:54.047649Z"},"content_sha256":"714d77b12feab03744f2e36451925b91683ca047fc55a715a7d62e4cc94d4d4c","schema_version":"1.0","event_id":"sha256:714d77b12feab03744f2e36451925b91683ca047fc55a715a7d62e4cc94d4d4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3M4RUL7XJTB24ZABFURIQDFCHI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Learning based Automatic Quantification of Urethral Plate Quality using the Plate Objective Scoring Tool (POST)","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Ibrahim Khalil, Md Sakib Abrar Hossain, Mohamed Abdelmoniem, Muhammad E. H. Chowdhury, Tariq O. Abbas","submitted_at":"2022-09-28T06:03:43Z","abstract_excerpt":"Objectives: To explore the capacity of deep learning algorithm to further streamline and optimize urethral plate (UP) quality appraisal on 2D images using the plate objective scoring tool (POST), aiming to increase the objectivity and reproducibility of UP appraisal in hypospadias repair. Methods: The five key POST landmarks were marked by specialists in a 691-image dataset of prepubertal boys undergoing primary hypospadias repair. This dataset was then used to develop and validate a deep learning-based landmark detection model. The proposed framework begins with glans localization and detecti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.13848","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/2209.13848/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":"2026-07-05T05:01:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xfGqRi7/3GoMmzO/Atzt4q7OzzIoK4fVKeFwyaN5RQuqN770myo1SgJY91JBW0bzPngGcaJ6i0RozJvbTFxOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T22:45:54.047999Z"},"content_sha256":"3c44033e91e578152c834ddf1bd5098f6b4173a994ba70326ee74edccb6e3c8f","schema_version":"1.0","event_id":"sha256:3c44033e91e578152c834ddf1bd5098f6b4173a994ba70326ee74edccb6e3c8f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3M4RUL7XJTB24ZABFURIQDFCHI/bundle.json","state_url":"https://pith.science/pith/3M4RUL7XJTB24ZABFURIQDFCHI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3M4RUL7XJTB24ZABFURIQDFCHI/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":"2026-08-22T22:45:54Z","links":{"resolver":"https://pith.science/pith/3M4RUL7XJTB24ZABFURIQDFCHI","bundle":"https://pith.science/pith/3M4RUL7XJTB24ZABFURIQDFCHI/bundle.json","state":"https://pith.science/pith/3M4RUL7XJTB24ZABFURIQDFCHI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3M4RUL7XJTB24ZABFURIQDFCHI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3M4RUL7XJTB24ZABFURIQDFCHI","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":"c8df4ae75a6301a46b039d7a15769875997aceb7747549d9b40b17e6d3e3e90d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-09-28T06:03:43Z","title_canon_sha256":"01f34e493ab9e9fac93d20c59db649558b1795809b95fa92631b7b909d765acf"},"schema_version":"1.0","source":{"id":"2209.13848","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.13848","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"arxiv_version","alias_value":"2209.13848v1","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.13848","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_12","alias_value":"3M4RUL7XJTB2","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_16","alias_value":"3M4RUL7XJTB24ZAB","created_at":"2026-07-05T05:01:44Z"},{"alias_kind":"pith_short_8","alias_value":"3M4RUL7X","created_at":"2026-07-05T05:01:44Z"}],"graph_snapshots":[{"event_id":"sha256:3c44033e91e578152c834ddf1bd5098f6b4173a994ba70326ee74edccb6e3c8f","target":"graph","created_at":"2026-07-05T05:01:44Z","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/2209.13848/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Objectives: To explore the capacity of deep learning algorithm to further streamline and optimize urethral plate (UP) quality appraisal on 2D images using the plate objective scoring tool (POST), aiming to increase the objectivity and reproducibility of UP appraisal in hypospadias repair. Methods: The five key POST landmarks were marked by specialists in a 691-image dataset of prepubertal boys undergoing primary hypospadias repair. This dataset was then used to develop and validate a deep learning-based landmark detection model. The proposed framework begins with glans localization and detecti","authors_text":"Ibrahim Khalil, Md Sakib Abrar Hossain, Mohamed Abdelmoniem, Muhammad E. H. Chowdhury, Tariq O. Abbas","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-09-28T06:03:43Z","title":"Deep Learning based Automatic Quantification of Urethral Plate Quality using the Plate Objective Scoring Tool (POST)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.13848","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":"sha256:714d77b12feab03744f2e36451925b91683ca047fc55a715a7d62e4cc94d4d4c","target":"record","created_at":"2026-07-05T05:01:44Z","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":"c8df4ae75a6301a46b039d7a15769875997aceb7747549d9b40b17e6d3e3e90d","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-09-28T06:03:43Z","title_canon_sha256":"01f34e493ab9e9fac93d20c59db649558b1795809b95fa92631b7b909d765acf"},"schema_version":"1.0","source":{"id":"2209.13848","kind":"arxiv","version":1}},"canonical_sha256":"db391a2ff74cc3ae64012d22880ca23a322c1458140e0136264520ae52e99e56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db391a2ff74cc3ae64012d22880ca23a322c1458140e0136264520ae52e99e56","first_computed_at":"2026-07-05T05:01:44.878826Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:01:44.878826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rUsUHr8d77hc7cWsp3kmQ3qTkes1GUn3msL31lNJdegbV4DsLU7TNUxEQJ+WjYS4Smys/6BsPLHtweXeJUHgCg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:01:44.879312Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.13848","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:714d77b12feab03744f2e36451925b91683ca047fc55a715a7d62e4cc94d4d4c","sha256:3c44033e91e578152c834ddf1bd5098f6b4173a994ba70326ee74edccb6e3c8f"],"state_sha256":"16623012de34b6d0381231c3bedcbb605ab9d9dc52d755a55b9b20421ca94cb3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+KXOUBddPSk3HTlwvQxT4IsnPRn1L674TBRuNwR0JJdr6WiXixCPkEGBG2xdBlAI1mVvMlQJdVbvgyQMMw4fAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T22:45:54.051122Z","bundle_sha256":"6233b870c6ed6105b64fc297702ebf1ac5918f8122a20e23f3fa956b9d6cfaed"}}