{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PFIWCQIVK2GFYK3XSIREP7CYOQ","short_pith_number":"pith:PFIWCQIV","canonical_record":{"source":{"id":"1504.07901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-29T15:48:22Z","cross_cats_sorted":[],"title_canon_sha256":"965efdae91a2a11bd2fb3e3c59632ff0ee939547c17ef43d281b12c2ec510677","abstract_canon_sha256":"329f3be32fa2ebf69d7d359b6a8b8c68dc1e14038b2dfc9ab870fbb5529d4f15"},"schema_version":"1.0"},"canonical_sha256":"7951614115568c5c2b77922247fc58742752e0d713e799918251c8219d351931","source":{"kind":"arxiv","id":"1504.07901","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07901","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07901v1","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07901","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"PFIWCQIVK2GF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PFIWCQIVK2GFYK3X","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PFIWCQIV","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PFIWCQIVK2GFYK3XSIREP7CYOQ","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-29T15:48:22Z","cross_cats_sorted":[],"title_canon_sha256":"965efdae91a2a11bd2fb3e3c59632ff0ee939547c17ef43d281b12c2ec510677","abstract_canon_sha256":"329f3be32fa2ebf69d7d359b6a8b8c68dc1e14038b2dfc9ab870fbb5529d4f15"},"schema_version":"1.0"},"canonical_sha256":"7951614115568c5c2b77922247fc58742752e0d713e799918251c8219d351931","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:31.951210Z","signature_b64":"t/S7Bn46gk4t/++Hi3oRgodfKjy8x4PRl+J8Tst2jkI6/LTebaMZVtwRum5+kaOISnQP312bQgrVjc3XQ3udCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7951614115568c5c2b77922247fc58742752e0d713e799918251c8219d351931","last_reissued_at":"2026-05-18T02:17:31.950599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:31.950599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07901","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":"2026-05-18T02:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fT6/rfOPzmhfpS+OIjZggRNGfQ3KE8vB1yqsFjboMcSx/WrrXwFq6zW5grpDpxE7IcaaQ2L4LTgQi8iBpcU9AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:44:11.247112Z"},"content_sha256":"56392ae48788c57914f73e38624eab1cd96fcf14f1fbe186ff9c88a89e659e2c","schema_version":"1.0","event_id":"sha256:56392ae48788c57914f73e38624eab1cd96fcf14f1fbe186ff9c88a89e659e2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PFIWCQIVK2GFYK3XSIREP7CYOQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparative study of image registration techniques for bladder video-endoscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Achraf Ben-Hamadou, Charles Soussen, Christian Daul, Didier Wolf, Walter Blondel","submitted_at":"2015-04-29T15:48:22Z","abstract_excerpt":"Bladder cancer is widely spread in the world. Many adequate diagnosis techniques exist. Video-endoscopy remains the standard clinical procedure for visual exploration of the bladder internal surface. However, video-endoscopy presents the limit that the imaged area for each image is about nearly 1cm2. And, lesions are, typically, spread over several images. The aim of this contribution is to assess the performance of two mosaicing algorithms leading to the construction of panoramic maps (one unique image) of bladder walls. The quantitative comparison study is performed on a set of real endoscop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07901","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":""},"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":"2026-05-18T02:17:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ST9R1Ugbxg7xIIq3gklQFWr7TU/6HckmD1sLJz4GcuJjvWkXBQKV+WczVbkSVyLMFtTBsNKtt9bIAtDa88+lCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:44:11.247779Z"},"content_sha256":"d24c6e1153ff4baf77d30df14ac8eadc2404b0c27263891abfe4188d85b52817","schema_version":"1.0","event_id":"sha256:d24c6e1153ff4baf77d30df14ac8eadc2404b0c27263891abfe4188d85b52817"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/bundle.json","state_url":"https://pith.science/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/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":"2026-06-02T15:44:11Z","links":{"resolver":"https://pith.science/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ","bundle":"https://pith.science/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/bundle.json","state":"https://pith.science/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PFIWCQIVK2GFYK3XSIREP7CYOQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PFIWCQIVK2GFYK3XSIREP7CYOQ","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":"329f3be32fa2ebf69d7d359b6a8b8c68dc1e14038b2dfc9ab870fbb5529d4f15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-29T15:48:22Z","title_canon_sha256":"965efdae91a2a11bd2fb3e3c59632ff0ee939547c17ef43d281b12c2ec510677"},"schema_version":"1.0","source":{"id":"1504.07901","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07901","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07901v1","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07901","created_at":"2026-05-18T02:17:31Z"},{"alias_kind":"pith_short_12","alias_value":"PFIWCQIVK2GF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PFIWCQIVK2GFYK3X","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PFIWCQIV","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:d24c6e1153ff4baf77d30df14ac8eadc2404b0c27263891abfe4188d85b52817","target":"graph","created_at":"2026-05-18T02:17:31Z","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"},"paper":{"abstract_excerpt":"Bladder cancer is widely spread in the world. Many adequate diagnosis techniques exist. Video-endoscopy remains the standard clinical procedure for visual exploration of the bladder internal surface. However, video-endoscopy presents the limit that the imaged area for each image is about nearly 1cm2. And, lesions are, typically, spread over several images. The aim of this contribution is to assess the performance of two mosaicing algorithms leading to the construction of panoramic maps (one unique image) of bladder walls. The quantitative comparison study is performed on a set of real endoscop","authors_text":"Achraf Ben-Hamadou, Charles Soussen, Christian Daul, Didier Wolf, Walter Blondel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-29T15:48:22Z","title":"Comparative study of image registration techniques for bladder video-endoscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07901","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":"sha256:56392ae48788c57914f73e38624eab1cd96fcf14f1fbe186ff9c88a89e659e2c","target":"record","created_at":"2026-05-18T02:17:31Z","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":"329f3be32fa2ebf69d7d359b6a8b8c68dc1e14038b2dfc9ab870fbb5529d4f15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-04-29T15:48:22Z","title_canon_sha256":"965efdae91a2a11bd2fb3e3c59632ff0ee939547c17ef43d281b12c2ec510677"},"schema_version":"1.0","source":{"id":"1504.07901","kind":"arxiv","version":1}},"canonical_sha256":"7951614115568c5c2b77922247fc58742752e0d713e799918251c8219d351931","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7951614115568c5c2b77922247fc58742752e0d713e799918251c8219d351931","first_computed_at":"2026-05-18T02:17:31.950599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:31.950599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t/S7Bn46gk4t/++Hi3oRgodfKjy8x4PRl+J8Tst2jkI6/LTebaMZVtwRum5+kaOISnQP312bQgrVjc3XQ3udCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:31.951210Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07901","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56392ae48788c57914f73e38624eab1cd96fcf14f1fbe186ff9c88a89e659e2c","sha256:d24c6e1153ff4baf77d30df14ac8eadc2404b0c27263891abfe4188d85b52817"],"state_sha256":"87713516235ff6ecf462320188c44373fa24568fd898b3a643f9b171840e3c53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mr59iWt4eJGNPg6m1ypF8pCL/3pq6b8zKtsgSSkrVgCWOoiEwfF0g2W3aUBCRVjL9L6QMasUe4c9NkD6no9cBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:44:11.251024Z","bundle_sha256":"bcaf171bc9c217d11d9fbd243767a1791f2894c289a2307262a11d15c462d78f"}}