{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:BOMGJO54UU3W6FJRIZRLBXXNNW","short_pith_number":"pith:BOMGJO54","canonical_record":{"source":{"id":"1904.10816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-24T13:44:28Z","cross_cats_sorted":[],"title_canon_sha256":"784fe3eed209778eed369b15013059d650ad761aaadb6c735f26f942fedab161","abstract_canon_sha256":"8fa9aef6f420b9f7c9c309880128438aff1487284686796fe7d23e7f34f7ade8"},"schema_version":"1.0"},"canonical_sha256":"0b9864bbbca5376f15314662b0deed6dadd058ccd33a9952778a43d2f0424e09","source":{"kind":"arxiv","id":"1904.10816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10816","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10816v1","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10816","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"BOMGJO54UU3W","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BOMGJO54UU3W6FJR","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BOMGJO54","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:BOMGJO54UU3W6FJRIZRLBXXNNW","target":"record","payload":{"canonical_record":{"source":{"id":"1904.10816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-24T13:44:28Z","cross_cats_sorted":[],"title_canon_sha256":"784fe3eed209778eed369b15013059d650ad761aaadb6c735f26f942fedab161","abstract_canon_sha256":"8fa9aef6f420b9f7c9c309880128438aff1487284686796fe7d23e7f34f7ade8"},"schema_version":"1.0"},"canonical_sha256":"0b9864bbbca5376f15314662b0deed6dadd058ccd33a9952778a43d2f0424e09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:49.940106Z","signature_b64":"Q1yiOWBRGGLfHPtNPAFLESuCW905T00n8rjN+8fBmUjuQAMgOyc8BAwaO+LDyZevOZ9jBWgdUfkixhFKuh3bDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b9864bbbca5376f15314662b0deed6dadd058ccd33a9952778a43d2f0424e09","last_reissued_at":"2026-05-17T23:47:49.939572Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:49.939572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.10816","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":"2026-05-17T23:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GwaY2YOUVnGteZXvxh3Al0vei6k+Hi8kFKI+gMt4T/HYY99rRzPgWuPuCVMQhAcBatq/9xiH31k5wKqZJD9tCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:20:40.563394Z"},"content_sha256":"af6e92c7f905b3ae1da1664abdeca520aba7f4b902b7c615f58fdee0575cd8a7","schema_version":"1.0","event_id":"sha256:af6e92c7f905b3ae1da1664abdeca520aba7f4b902b7c615f58fdee0575cd8a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:BOMGJO54UU3W6FJRIZRLBXXNNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic cephalometric landmarks detection on frontal faces: an approach based on supervised learning techniques","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrea Valsecchi, Carlos Eduardo Machado Palhares, Flavio de Barros Vidal, Laise Nascimento Correia Lima, Lucas Faria Porto, Marta Flores, Oscar Ibanez","submitted_at":"2019-04-24T13:44:28Z","abstract_excerpt":"Facial landmarks are employed in many research areas such as facial recognition, craniofacial identification, age and sex estimation among the most important. In the forensic field, the focus is on the analysis of a particular set of facial landmarks, defined as cephalometric landmarks. Previous works demonstrated that the descriptive adequacy of these anatomical references for an indirect application (photo-anthropometric description) increased the marking precision of these points, contributing to a greater reliability of these analyzes. However, most of them are performed manually and all o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10816","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":"2026-05-17T23:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ul/HgeHbRjTjCSFRiqrdNh7y7vLhfsgtHI1HZ9da3gETCTCr8f0/0MlVzLttblhX+bxvO/KDQKTpApzTuSbmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:20:40.564013Z"},"content_sha256":"e69c37e461e9c7b2f09a93d4c6f90374d8b25b5281f9815b500813993e1dbab7","schema_version":"1.0","event_id":"sha256:e69c37e461e9c7b2f09a93d4c6f90374d8b25b5281f9815b500813993e1dbab7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/bundle.json","state_url":"https://pith.science/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/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":"2026-05-26T19:20:40Z","links":{"resolver":"https://pith.science/pith/BOMGJO54UU3W6FJRIZRLBXXNNW","bundle":"https://pith.science/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/bundle.json","state":"https://pith.science/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOMGJO54UU3W6FJRIZRLBXXNNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BOMGJO54UU3W6FJRIZRLBXXNNW","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":"8fa9aef6f420b9f7c9c309880128438aff1487284686796fe7d23e7f34f7ade8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-24T13:44:28Z","title_canon_sha256":"784fe3eed209778eed369b15013059d650ad761aaadb6c735f26f942fedab161"},"schema_version":"1.0","source":{"id":"1904.10816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10816","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10816v1","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10816","created_at":"2026-05-17T23:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"BOMGJO54UU3W","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BOMGJO54UU3W6FJR","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BOMGJO54","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:e69c37e461e9c7b2f09a93d4c6f90374d8b25b5281f9815b500813993e1dbab7","target":"graph","created_at":"2026-05-17T23:47:49Z","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":"Facial landmarks are employed in many research areas such as facial recognition, craniofacial identification, age and sex estimation among the most important. In the forensic field, the focus is on the analysis of a particular set of facial landmarks, defined as cephalometric landmarks. Previous works demonstrated that the descriptive adequacy of these anatomical references for an indirect application (photo-anthropometric description) increased the marking precision of these points, contributing to a greater reliability of these analyzes. However, most of them are performed manually and all o","authors_text":"Andrea Valsecchi, Carlos Eduardo Machado Palhares, Flavio de Barros Vidal, Laise Nascimento Correia Lima, Lucas Faria Porto, Marta Flores, Oscar Ibanez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-24T13:44:28Z","title":"Automatic cephalometric landmarks detection on frontal faces: an approach based on supervised learning techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10816","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:af6e92c7f905b3ae1da1664abdeca520aba7f4b902b7c615f58fdee0575cd8a7","target":"record","created_at":"2026-05-17T23:47:49Z","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":"8fa9aef6f420b9f7c9c309880128438aff1487284686796fe7d23e7f34f7ade8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-24T13:44:28Z","title_canon_sha256":"784fe3eed209778eed369b15013059d650ad761aaadb6c735f26f942fedab161"},"schema_version":"1.0","source":{"id":"1904.10816","kind":"arxiv","version":1}},"canonical_sha256":"0b9864bbbca5376f15314662b0deed6dadd058ccd33a9952778a43d2f0424e09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b9864bbbca5376f15314662b0deed6dadd058ccd33a9952778a43d2f0424e09","first_computed_at":"2026-05-17T23:47:49.939572Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:49.939572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q1yiOWBRGGLfHPtNPAFLESuCW905T00n8rjN+8fBmUjuQAMgOyc8BAwaO+LDyZevOZ9jBWgdUfkixhFKuh3bDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:49.940106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.10816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af6e92c7f905b3ae1da1664abdeca520aba7f4b902b7c615f58fdee0575cd8a7","sha256:e69c37e461e9c7b2f09a93d4c6f90374d8b25b5281f9815b500813993e1dbab7"],"state_sha256":"1693d4acd834efdd65104b02b118caf0f6fc7d706845ee845ea96f1359e21052"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PX4SAE7zimI1ranah+GabKy1fkuy91vpkFRRm2nysrHGUb+KtDPkfrH1XPezlbypwQObafP0C6sD+IwQUs4QAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:20:40.566527Z","bundle_sha256":"7870de8ee8ab63a8d1b31e6509cc5f3884d01cd2ac4ae2f8cf3e3592e6368713"}}