{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:2P6K6BOGI3TNO6NX3OESTNINP4","short_pith_number":"pith:2P6K6BOG","canonical_record":{"source":{"id":"2310.19293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-10-30T06:18:47Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"5eadc469e1c1fd0cd78cd985cc05fe0f190f4bdf3c817fc181c1cfc64bc5a10f","abstract_canon_sha256":"d8e43bcf77b3daeb94a2a4c554ceb0ee37432c05471d8ddbfd890386c0495acf"},"schema_version":"1.0"},"canonical_sha256":"d3fcaf05c646e6d779b7db8929b50d7f051dd14d79bcb94a75974a0fc1b6e7fe","source":{"kind":"arxiv","id":"2310.19293","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.19293","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"arxiv_version","alias_value":"2310.19293v1","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.19293","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_12","alias_value":"2P6K6BOGI3TN","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_16","alias_value":"2P6K6BOGI3TNO6NX","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_8","alias_value":"2P6K6BOG","created_at":"2026-07-05T07:06:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:2P6K6BOGI3TNO6NX3OESTNINP4","target":"record","payload":{"canonical_record":{"source":{"id":"2310.19293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-10-30T06:18:47Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"5eadc469e1c1fd0cd78cd985cc05fe0f190f4bdf3c817fc181c1cfc64bc5a10f","abstract_canon_sha256":"d8e43bcf77b3daeb94a2a4c554ceb0ee37432c05471d8ddbfd890386c0495acf"},"schema_version":"1.0"},"canonical_sha256":"d3fcaf05c646e6d779b7db8929b50d7f051dd14d79bcb94a75974a0fc1b6e7fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:06:48.891547Z","signature_b64":"8JSk1ynZPF66E7oh7jVxz6i44ycbLB+Awi6Afs6ybBaai3gvIRhh0NBtzbZMrX/qnTgFd9rliJF3XbaiPEX7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3fcaf05c646e6d779b7db8929b50d7f051dd14d79bcb94a75974a0fc1b6e7fe","last_reissued_at":"2026-07-05T07:06:48.891095Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:06:48.891095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.19293","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":"2026-07-05T07:06:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n+3lnmVoo1y+VnIVxVNC9lYd3GTAl2feF78MPoIjjynlLwW43cnnuxyrnAl/yBSxIp1TUl6W355QhTgHWA9HBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:14:33.303941Z"},"content_sha256":"8f1903d30b658213275afed7f3f7a906edfc959325ef4cb474ef0b995b11d2c1","schema_version":"1.0","event_id":"sha256:8f1903d30b658213275afed7f3f7a906edfc959325ef4cb474ef0b995b11d2c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:2P6K6BOGI3TNO6NX3OESTNINP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FetusMapV2: Enhanced Fetal Pose Estimation in 3D Ultrasound","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Chaoyu Chen, Dong Ni, Kejuan Yue, Lei Zhue, Lequan Yu, Mingyuan Luo, Weijun Huang, Wenlong Shi, Xindi Hu, Xin Yang, Yan Cao, Yi Xiong, Yuanji Zhang, Yuhao Huang","submitted_at":"2023-10-30T06:18:47Z","abstract_excerpt":"Fetal pose estimation in 3D ultrasound (US) involves identifying a set of associated fetal anatomical landmarks. Its primary objective is to provide comprehensive information about the fetus through landmark connections, thus benefiting various critical applications, such as biometric measurements, plane localization, and fetal movement monitoring. However, accurately estimating the 3D fetal pose in US volume has several challenges, including poor image quality, limited GPU memory for tackling high dimensional data, symmetrical or ambiguous anatomical structures, and considerable variations in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.19293","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/2310.19293/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":"2026-07-05T07:06:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJ2n3AgrOd9luvtn4dAhDT8T85DQqAmmt2L0ipp1Mje5rchLyNmmJqBSW0e3lIpW9G0F8Q53UIGDPwC4bH4eBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T23:14:33.304884Z"},"content_sha256":"2bb3e15f9f85b95abfc02cde64ac706b18ec1a3203f9dbd4f9a68fb9f042ea9a","schema_version":"1.0","event_id":"sha256:2bb3e15f9f85b95abfc02cde64ac706b18ec1a3203f9dbd4f9a68fb9f042ea9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2P6K6BOGI3TNO6NX3OESTNINP4/bundle.json","state_url":"https://pith.science/pith/2P6K6BOGI3TNO6NX3OESTNINP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2P6K6BOGI3TNO6NX3OESTNINP4/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":"2026-08-22T23:14:33Z","links":{"resolver":"https://pith.science/pith/2P6K6BOGI3TNO6NX3OESTNINP4","bundle":"https://pith.science/pith/2P6K6BOGI3TNO6NX3OESTNINP4/bundle.json","state":"https://pith.science/pith/2P6K6BOGI3TNO6NX3OESTNINP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2P6K6BOGI3TNO6NX3OESTNINP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:2P6K6BOGI3TNO6NX3OESTNINP4","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":"d8e43bcf77b3daeb94a2a4c554ceb0ee37432c05471d8ddbfd890386c0495acf","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-10-30T06:18:47Z","title_canon_sha256":"5eadc469e1c1fd0cd78cd985cc05fe0f190f4bdf3c817fc181c1cfc64bc5a10f"},"schema_version":"1.0","source":{"id":"2310.19293","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.19293","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"arxiv_version","alias_value":"2310.19293v1","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.19293","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_12","alias_value":"2P6K6BOGI3TN","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_16","alias_value":"2P6K6BOGI3TNO6NX","created_at":"2026-07-05T07:06:48Z"},{"alias_kind":"pith_short_8","alias_value":"2P6K6BOG","created_at":"2026-07-05T07:06:48Z"}],"graph_snapshots":[{"event_id":"sha256:2bb3e15f9f85b95abfc02cde64ac706b18ec1a3203f9dbd4f9a68fb9f042ea9a","target":"graph","created_at":"2026-07-05T07:06:48Z","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/2310.19293/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fetal pose estimation in 3D ultrasound (US) involves identifying a set of associated fetal anatomical landmarks. Its primary objective is to provide comprehensive information about the fetus through landmark connections, thus benefiting various critical applications, such as biometric measurements, plane localization, and fetal movement monitoring. However, accurately estimating the 3D fetal pose in US volume has several challenges, including poor image quality, limited GPU memory for tackling high dimensional data, symmetrical or ambiguous anatomical structures, and considerable variations in","authors_text":"Chaoyu Chen, Dong Ni, Kejuan Yue, Lei Zhue, Lequan Yu, Mingyuan Luo, Weijun Huang, Wenlong Shi, Xindi Hu, Xin Yang, Yan Cao, Yi Xiong, Yuanji Zhang, Yuhao Huang","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-10-30T06:18:47Z","title":"FetusMapV2: Enhanced Fetal Pose Estimation in 3D Ultrasound"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.19293","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":"sha256:8f1903d30b658213275afed7f3f7a906edfc959325ef4cb474ef0b995b11d2c1","target":"record","created_at":"2026-07-05T07:06:48Z","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":"d8e43bcf77b3daeb94a2a4c554ceb0ee37432c05471d8ddbfd890386c0495acf","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2023-10-30T06:18:47Z","title_canon_sha256":"5eadc469e1c1fd0cd78cd985cc05fe0f190f4bdf3c817fc181c1cfc64bc5a10f"},"schema_version":"1.0","source":{"id":"2310.19293","kind":"arxiv","version":1}},"canonical_sha256":"d3fcaf05c646e6d779b7db8929b50d7f051dd14d79bcb94a75974a0fc1b6e7fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3fcaf05c646e6d779b7db8929b50d7f051dd14d79bcb94a75974a0fc1b6e7fe","first_computed_at":"2026-07-05T07:06:48.891095Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:06:48.891095Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8JSk1ynZPF66E7oh7jVxz6i44ycbLB+Awi6Afs6ybBaai3gvIRhh0NBtzbZMrX/qnTgFd9rliJF3XbaiPEX7CA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:06:48.891547Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.19293","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f1903d30b658213275afed7f3f7a906edfc959325ef4cb474ef0b995b11d2c1","sha256:2bb3e15f9f85b95abfc02cde64ac706b18ec1a3203f9dbd4f9a68fb9f042ea9a"],"state_sha256":"d4825a1747305fcdcc4329392f25eb7cbf2c93f5a5a20978342f85f3bc4db74e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eQZbdpnGbDs6Xabl9t1CLpudyODoasp1lws6cBCIXizW73nzxqxlJZguP68UC9U8tHiscGqvpNZJUzkKDH/lCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T23:14:33.310456Z","bundle_sha256":"39d07aa79f1b5533472cf477953d83215935e08c1943ff0d515057d6f2f55549"}}