{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:F5KM3U7NB4MTEM3T6FG2Q4D265","short_pith_number":"pith:F5KM3U7N","canonical_record":{"source":{"id":"2308.12314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-23T08:38:49Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"34856e6e5e725c0445fd2bbccf2b365ef161a33ec1bcdd1bbe0619aeabd5a37b","abstract_canon_sha256":"1ddc21ab313578e1039b56dd30d99f121ff712459014e744ae1fcd5568207acb"},"schema_version":"1.0"},"canonical_sha256":"2f54cdd3ed0f19323373f14da8707af7630a95649a76caca24eff2e75771e416","source":{"kind":"arxiv","id":"2308.12314","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12314","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12314v1","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12314","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"F5KM3U7NB4MT","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_16","alias_value":"F5KM3U7NB4MTEM3T","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_8","alias_value":"F5KM3U7N","created_at":"2026-07-05T06:44:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:F5KM3U7NB4MTEM3T6FG2Q4D265","target":"record","payload":{"canonical_record":{"source":{"id":"2308.12314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-23T08:38:49Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"34856e6e5e725c0445fd2bbccf2b365ef161a33ec1bcdd1bbe0619aeabd5a37b","abstract_canon_sha256":"1ddc21ab313578e1039b56dd30d99f121ff712459014e744ae1fcd5568207acb"},"schema_version":"1.0"},"canonical_sha256":"2f54cdd3ed0f19323373f14da8707af7630a95649a76caca24eff2e75771e416","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:44:10.275524Z","signature_b64":"M8aUH6pL96o8n0l69S/cfHpxcQ8uy2nrjcuwtqPUcpyheBrD6ltbM9bPaWfeVT7bYzHHalZAYSBMIFZt+WXRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f54cdd3ed0f19323373f14da8707af7630a95649a76caca24eff2e75771e416","last_reissued_at":"2026-07-05T06:44:10.275062Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:44:10.275062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.12314","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":"2026-07-05T06:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WePxqDY4gJ/8Ya1zk7FXrPFq9NaOLQ53U2z2RxOq7w0HoYtsH8NBMqezdP9Vb/4mp2yPh/yhnjvp6129EoBuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:16:03.884485Z"},"content_sha256":"64eb02b32744722a77f3866177e6b970aa7f512a132c731fc44c29a79c46aa62","schema_version":"1.0","event_id":"sha256:64eb02b32744722a77f3866177e6b970aa7f512a132c731fc44c29a79c46aa62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:F5KM3U7NB4MTEM3T6FG2Q4D265","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparing Autoencoder to Geometrical Features for Vascular Bifurcations Identification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.NC"],"primary_cat":"eess.IV","authors_text":"Anass Nouri (UIT), Florent Autrusseau (LTeN), Ibtissam Essadik (UIT), Raja Touahni (UIT)","submitted_at":"2023-08-23T08:38:49Z","abstract_excerpt":"The cerebrovascular tree is a complex anatomical structure that plays a crucial role in the brain irrigation. A precise identification of the bifurcations in the vascular network is essential for understanding various cerebral pathologies. Traditional methods often require manual intervention and are sensitive to variations in data quality. In recent years, deep learning techniques, and particularly autoencoders, have shown promising performances for feature extraction and pattern recognition in a variety of domains. In this paper, we propose two novel approaches for vascular bifurcation ident"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12314","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/2308.12314/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":"2026-07-05T06:44:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ld9eNjcVizoct8/dNq499OeeoXVhru0I8Vdx3Avd3S8838suitfqcaMwppGIzEZbvhZoeri02BdcCzFnubYxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:16:03.884868Z"},"content_sha256":"0c56d7876b9b9db996c0e1bf5802e2f3f3cd45df6507feda13c5404f07c15f04","schema_version":"1.0","event_id":"sha256:0c56d7876b9b9db996c0e1bf5802e2f3f3cd45df6507feda13c5404f07c15f04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/bundle.json","state_url":"https://pith.science/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/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":"2026-07-05T14:16:03Z","links":{"resolver":"https://pith.science/pith/F5KM3U7NB4MTEM3T6FG2Q4D265","bundle":"https://pith.science/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/bundle.json","state":"https://pith.science/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F5KM3U7NB4MTEM3T6FG2Q4D265/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:F5KM3U7NB4MTEM3T6FG2Q4D265","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":"1ddc21ab313578e1039b56dd30d99f121ff712459014e744ae1fcd5568207acb","cross_cats_sorted":["q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-23T08:38:49Z","title_canon_sha256":"34856e6e5e725c0445fd2bbccf2b365ef161a33ec1bcdd1bbe0619aeabd5a37b"},"schema_version":"1.0","source":{"id":"2308.12314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.12314","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"2308.12314v1","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.12314","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"F5KM3U7NB4MT","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_16","alias_value":"F5KM3U7NB4MTEM3T","created_at":"2026-07-05T06:44:10Z"},{"alias_kind":"pith_short_8","alias_value":"F5KM3U7N","created_at":"2026-07-05T06:44:10Z"}],"graph_snapshots":[{"event_id":"sha256:0c56d7876b9b9db996c0e1bf5802e2f3f3cd45df6507feda13c5404f07c15f04","target":"graph","created_at":"2026-07-05T06:44:10Z","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/2308.12314/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The cerebrovascular tree is a complex anatomical structure that plays a crucial role in the brain irrigation. A precise identification of the bifurcations in the vascular network is essential for understanding various cerebral pathologies. Traditional methods often require manual intervention and are sensitive to variations in data quality. In recent years, deep learning techniques, and particularly autoencoders, have shown promising performances for feature extraction and pattern recognition in a variety of domains. In this paper, we propose two novel approaches for vascular bifurcation ident","authors_text":"Anass Nouri (UIT), Florent Autrusseau (LTeN), Ibtissam Essadik (UIT), Raja Touahni (UIT)","cross_cats":["q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-23T08:38:49Z","title":"Comparing Autoencoder to Geometrical Features for Vascular Bifurcations Identification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.12314","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":"sha256:64eb02b32744722a77f3866177e6b970aa7f512a132c731fc44c29a79c46aa62","target":"record","created_at":"2026-07-05T06:44:10Z","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":"1ddc21ab313578e1039b56dd30d99f121ff712459014e744ae1fcd5568207acb","cross_cats_sorted":["q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-08-23T08:38:49Z","title_canon_sha256":"34856e6e5e725c0445fd2bbccf2b365ef161a33ec1bcdd1bbe0619aeabd5a37b"},"schema_version":"1.0","source":{"id":"2308.12314","kind":"arxiv","version":1}},"canonical_sha256":"2f54cdd3ed0f19323373f14da8707af7630a95649a76caca24eff2e75771e416","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f54cdd3ed0f19323373f14da8707af7630a95649a76caca24eff2e75771e416","first_computed_at":"2026-07-05T06:44:10.275062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:44:10.275062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M8aUH6pL96o8n0l69S/cfHpxcQ8uy2nrjcuwtqPUcpyheBrD6ltbM9bPaWfeVT7bYzHHalZAYSBMIFZt+WXRBg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:44:10.275524Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.12314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64eb02b32744722a77f3866177e6b970aa7f512a132c731fc44c29a79c46aa62","sha256:0c56d7876b9b9db996c0e1bf5802e2f3f3cd45df6507feda13c5404f07c15f04"],"state_sha256":"02fb32078452acafc4f6cfc0c17214104893993fc7614686c6159169154b9e1f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QPddMhMWlFHblRczg1ZPExibvp+iZXR3/NCUJKxy8QeKQYNoFg1TWGk9d8Y5Vm78J0xs/jPXW3tJPVTVqglvBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:16:03.887506Z","bundle_sha256":"86d760d50f96879d7af07f9845a61d759010341d6190756eafd41d1f67f50d57"}}