{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GFOU6AYNL2I2ZDMKF4U3LV5XN7","short_pith_number":"pith:GFOU6AYN","canonical_record":{"source":{"id":"2001.09193","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2020-01-24T21:09:18Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"390d9473331e2854fbba312ca1427f86233010014d9f7f72be77544739a11abe","abstract_canon_sha256":"2f2c760543b9c4e6d7c4d07da76a09eccad2b5092d21ca614a129fdb712732ca"},"schema_version":"1.0"},"canonical_sha256":"315d4f030d5e91ac8d8a2f29b5d7b76fc029ee0466c4ce92f31e3b27fcbcd1ef","source":{"kind":"arxiv","id":"2001.09193","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.09193","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"arxiv_version","alias_value":"2001.09193v6","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.09193","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_12","alias_value":"GFOU6AYNL2I2","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_16","alias_value":"GFOU6AYNL2I2ZDMK","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_8","alias_value":"GFOU6AYN","created_at":"2026-07-05T04:11:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GFOU6AYNL2I2ZDMKF4U3LV5XN7","target":"record","payload":{"canonical_record":{"source":{"id":"2001.09193","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2020-01-24T21:09:18Z","cross_cats_sorted":["eess.IV"],"title_canon_sha256":"390d9473331e2854fbba312ca1427f86233010014d9f7f72be77544739a11abe","abstract_canon_sha256":"2f2c760543b9c4e6d7c4d07da76a09eccad2b5092d21ca614a129fdb712732ca"},"schema_version":"1.0"},"canonical_sha256":"315d4f030d5e91ac8d8a2f29b5d7b76fc029ee0466c4ce92f31e3b27fcbcd1ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:11:22.812088Z","signature_b64":"20S1TNHaHRyg0+Z1aCZ/eKjLpW1KT2DN5jB+sTPwjjLJazVP1IGOx1jL1WacOgshgba/RhSG5drHReF+ID16Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"315d4f030d5e91ac8d8a2f29b5d7b76fc029ee0466c4ce92f31e3b27fcbcd1ef","last_reissued_at":"2026-07-05T04:11:22.811601Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:11:22.811601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.09193","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:11:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tjnzGv6uyRn5upKt8DWr62g6xs6nctQi82zS5hYtpGt5qgHXXsp0us6vXUWosrsjMFCiokwCjRWwYu5CRovPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:52:52.403502Z"},"content_sha256":"780f2ae4026e686645fbed8e64f845ef578ef1e14b53c75596fd7be23c3b74f4","schema_version":"1.0","event_id":"sha256:780f2ae4026e686645fbed8e64f845ef578ef1e14b53c75596fd7be23c3b74f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GFOU6AYNL2I2ZDMKF4U3LV5XN7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VerSe: A Vertebrae Labelling and Segmentation Benchmark for Multi-detector CT Images","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["eess.IV"],"primary_cat":"cs.CV","authors_text":"Alexander Tack, Alexander Valentinitsch, Alexandre Kirszenberg, Amber Zhang, Amirhossein Bayat, Anjany Sekuboyina, Benedikt Wiestler, Ben Glocker, Bj\\\"orn H. Menze, Brandon H. Rapazzo, Chan Zeng, Chenhang He, Christian Payer, Christoph Angerman, Daguang Xu, Dalong Cheng, Darko \\v{S}tern, Di Chen, Dong Yang, \\'Elodie Puybareau, Felix Ambellan, Feng Hou, Giles Tetteh, Hans Lamecker, Hans Liebl, Heiko Ramm, Hongwei Li, Ivan Ezhov, Jan Kuka\\v{c}ka, Jan S. Kirschke, Jiri Chmelik, Johannes C. Paetzold, Kevin Brown, Laurence E. Court, L\\^e Duy Hu\\`ynh, Li-Wen Wang, Malek E. Husseini, Manish Sahu, Maodong Chen, Marilia Lirio, Markus Rempfler, Martin Urschler, Maximilian L\\\"offler, Mohanasankar Sivaprakasam, Moritz Ehlke, Nicolas Boutry, Nicol\\'as P\\'erez de Olaguer, Nikolas Lessmann, Raymond P. Mumme, Roman Jakubicek, Sai Ho Ling, Sebastian Lehnert, Shangliang Xu, Stefan Zachow, Supriti Mulay, Suprosanna Shit, Tamaz Amiranashvili, Tao Jiang, Tianfu Wang, Timyoas Yeah, Tucker J. Netherton, Xinjun Ma, Xin Wang, Xu Liming, Yiwei Bai, Yujin Hu, Zheng Xiangshang, Zhiqiang He, Zixun Huang","submitted_at":"2020-01-24T21:09:18Z","abstract_excerpt":"Vertebral labelling and segmentation are two fundamental tasks in an automated spine processing pipeline. Reliable and accurate processing of spine images is expected to benefit clinical decision-support systems for diagnosis, surgery planning, and population-based analysis on spine and bone health. However, designing automated algorithms for spine processing is challenging predominantly due to considerable variations in anatomy and acquisition protocols and due to a severe shortage of publicly available data. Addressing these limitations, the Large Scale Vertebrae Segmentation Challenge (VerS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.09193","kind":"arxiv","version":6},"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/2001.09193/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":"2026-07-05T04:11:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGms4apmkmR1VZ8UEM5tuyWzdQYKOc8Qjp0ZUjJHvZHDrE2dgf+0K3cNjmtQ3UltNV+GlikWhX+fdmHaEGhtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:52:52.404162Z"},"content_sha256":"90b18b0ef3a060eb6cc1fa9141f07ae97854692f5fa0f8cfb75913dc926508d6","schema_version":"1.0","event_id":"sha256:90b18b0ef3a060eb6cc1fa9141f07ae97854692f5fa0f8cfb75913dc926508d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/bundle.json","state_url":"https://pith.science/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/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":"2026-07-07T05:52:52Z","links":{"resolver":"https://pith.science/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7","bundle":"https://pith.science/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/bundle.json","state":"https://pith.science/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GFOU6AYNL2I2ZDMKF4U3LV5XN7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GFOU6AYNL2I2ZDMKF4U3LV5XN7","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":"2f2c760543b9c4e6d7c4d07da76a09eccad2b5092d21ca614a129fdb712732ca","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2020-01-24T21:09:18Z","title_canon_sha256":"390d9473331e2854fbba312ca1427f86233010014d9f7f72be77544739a11abe"},"schema_version":"1.0","source":{"id":"2001.09193","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.09193","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"arxiv_version","alias_value":"2001.09193v6","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.09193","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_12","alias_value":"GFOU6AYNL2I2","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_16","alias_value":"GFOU6AYNL2I2ZDMK","created_at":"2026-07-05T04:11:22Z"},{"alias_kind":"pith_short_8","alias_value":"GFOU6AYN","created_at":"2026-07-05T04:11:22Z"}],"graph_snapshots":[{"event_id":"sha256:90b18b0ef3a060eb6cc1fa9141f07ae97854692f5fa0f8cfb75913dc926508d6","target":"graph","created_at":"2026-07-05T04:11:22Z","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/2001.09193/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vertebral labelling and segmentation are two fundamental tasks in an automated spine processing pipeline. Reliable and accurate processing of spine images is expected to benefit clinical decision-support systems for diagnosis, surgery planning, and population-based analysis on spine and bone health. However, designing automated algorithms for spine processing is challenging predominantly due to considerable variations in anatomy and acquisition protocols and due to a severe shortage of publicly available data. Addressing these limitations, the Large Scale Vertebrae Segmentation Challenge (VerS","authors_text":"Alexander Tack, Alexander Valentinitsch, Alexandre Kirszenberg, Amber Zhang, Amirhossein Bayat, Anjany Sekuboyina, Benedikt Wiestler, Ben Glocker, Bj\\\"orn H. Menze, Brandon H. Rapazzo, Chan Zeng, Chenhang He, Christian Payer, Christoph Angerman, Daguang Xu, Dalong Cheng, Darko \\v{S}tern, Di Chen, Dong Yang, \\'Elodie Puybareau, Felix Ambellan, Feng Hou, Giles Tetteh, Hans Lamecker, Hans Liebl, Heiko Ramm, Hongwei Li, Ivan Ezhov, Jan Kuka\\v{c}ka, Jan S. Kirschke, Jiri Chmelik, Johannes C. Paetzold, Kevin Brown, Laurence E. Court, L\\^e Duy Hu\\`ynh, Li-Wen Wang, Malek E. Husseini, Manish Sahu, Maodong Chen, Marilia Lirio, Markus Rempfler, Martin Urschler, Maximilian L\\\"offler, Mohanasankar Sivaprakasam, Moritz Ehlke, Nicolas Boutry, Nicol\\'as P\\'erez de Olaguer, Nikolas Lessmann, Raymond P. Mumme, Roman Jakubicek, Sai Ho Ling, Sebastian Lehnert, Shangliang Xu, Stefan Zachow, Supriti Mulay, Suprosanna Shit, Tamaz Amiranashvili, Tao Jiang, Tianfu Wang, Timyoas Yeah, Tucker J. Netherton, Xinjun Ma, Xin Wang, Xu Liming, Yiwei Bai, Yujin Hu, Zheng Xiangshang, Zhiqiang He, Zixun Huang","cross_cats":["eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2020-01-24T21:09:18Z","title":"VerSe: A Vertebrae Labelling and Segmentation Benchmark for Multi-detector CT Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.09193","kind":"arxiv","version":6},"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":"sha256:780f2ae4026e686645fbed8e64f845ef578ef1e14b53c75596fd7be23c3b74f4","target":"record","created_at":"2026-07-05T04:11:22Z","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":"2f2c760543b9c4e6d7c4d07da76a09eccad2b5092d21ca614a129fdb712732ca","cross_cats_sorted":["eess.IV"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2020-01-24T21:09:18Z","title_canon_sha256":"390d9473331e2854fbba312ca1427f86233010014d9f7f72be77544739a11abe"},"schema_version":"1.0","source":{"id":"2001.09193","kind":"arxiv","version":6}},"canonical_sha256":"315d4f030d5e91ac8d8a2f29b5d7b76fc029ee0466c4ce92f31e3b27fcbcd1ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"315d4f030d5e91ac8d8a2f29b5d7b76fc029ee0466c4ce92f31e3b27fcbcd1ef","first_computed_at":"2026-07-05T04:11:22.811601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:11:22.811601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"20S1TNHaHRyg0+Z1aCZ/eKjLpW1KT2DN5jB+sTPwjjLJazVP1IGOx1jL1WacOgshgba/RhSG5drHReF+ID16Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:11:22.812088Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.09193","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:780f2ae4026e686645fbed8e64f845ef578ef1e14b53c75596fd7be23c3b74f4","sha256:90b18b0ef3a060eb6cc1fa9141f07ae97854692f5fa0f8cfb75913dc926508d6"],"state_sha256":"7448bffe531c417789feba8f642d513ca36c23cd5aca1ed66fc4b541403c697e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DB8RS0xK15jPqElY4JB0jwmscZgtCzOe1Gae0JkzemfTHi2ZA4RtOU3nVpaOI2twjfc6ycNCxHQ+IW5KN5AKCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:52:52.407526Z","bundle_sha256":"eb2f8833f740dff8de9e9f9447eeaf5adf4471f37ab10b28a0951ecaaf0eccda"}}