{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:X4PJB2K3W3C6DJST5SCD5FEBF3","short_pith_number":"pith:X4PJB2K3","canonical_record":{"source":{"id":"2303.16254","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-03-28T18:59:17Z","cross_cats_sorted":[],"title_canon_sha256":"33ca0883b43d5f3ae5801eeb3bf246ba5dbd62168f81c26499eb1172f44d6e6f","abstract_canon_sha256":"3cb248e7253bb7923d6f9aadd7f9bf54f625b82dc55933d425a12be485602495"},"schema_version":"1.0"},"canonical_sha256":"bf1e90e95bb6c5e1a653ec843e94812ecec3e9f9492338187a75e91cfc3f5353","source":{"kind":"arxiv","id":"2303.16254","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.16254","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"arxiv_version","alias_value":"2303.16254v3","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.16254","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_12","alias_value":"X4PJB2K3W3C6","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_16","alias_value":"X4PJB2K3W3C6DJST","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_8","alias_value":"X4PJB2K3","created_at":"2026-07-05T06:59:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:X4PJB2K3W3C6DJST5SCD5FEBF3","target":"record","payload":{"canonical_record":{"source":{"id":"2303.16254","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-03-28T18:59:17Z","cross_cats_sorted":[],"title_canon_sha256":"33ca0883b43d5f3ae5801eeb3bf246ba5dbd62168f81c26499eb1172f44d6e6f","abstract_canon_sha256":"3cb248e7253bb7923d6f9aadd7f9bf54f625b82dc55933d425a12be485602495"},"schema_version":"1.0"},"canonical_sha256":"bf1e90e95bb6c5e1a653ec843e94812ecec3e9f9492338187a75e91cfc3f5353","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:59:30.777453Z","signature_b64":"vvSpWRTE2VQZPXb12NdQ3xhao8UXlSOyUNM8vfJBPQWXyll5v5waPK2Ptg8Kshp471nivDlIALRbhTWBaMlqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf1e90e95bb6c5e1a653ec843e94812ecec3e9f9492338187a75e91cfc3f5353","last_reissued_at":"2026-07-05T06:59:30.777002Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:59:30.777002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.16254","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:59:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rP/FpePB7Y43RDT6kq4d1aWSBS4leP4rDg6F4ReWovzr7XO8R4kYWPRi4z8+stOMSBDZ/3v089bcrak0knYqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T08:40:30.148461Z"},"content_sha256":"239204fb6d01d8c5669df841d9f4baf7a269bc92933126c5c413be0436da18e8","schema_version":"1.0","event_id":"sha256:239204fb6d01d8c5669df841d9f4baf7a269bc92933126c5c413be0436da18e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:X4PJB2K3W3C6DJST5SCD5FEBF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CryoFormer: Continuous Heterogeneous Cryo-EM Reconstruction using Transformer-based Neural Representations","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hao Li, Jiakai Zhang, Jingyi Yu, Lan Xu, Xinhang Liu, Yan Zeng, Yifan Qin","submitted_at":"2023-03-28T18:59:17Z","abstract_excerpt":"Cryo-electron microscopy (cryo-EM) allows for the high-resolution reconstruction of 3D structures of proteins and other biomolecules. Successful reconstruction of both shape and movement greatly helps understand the fundamental processes of life. However, it is still challenging to reconstruct the continuous motions of 3D structures from hundreds of thousands of noisy and randomly oriented 2D cryo-EM images. Recent advancements use Fourier domain coordinate-based neural networks to continuously model 3D conformations, yet they often struggle to capture local flexible regions accurately. We pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.16254","kind":"arxiv","version":3},"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/2303.16254/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":"2026-07-05T06:59:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZE3rCbSlfkPBDaaWSy9VOXLuJ0Fsz3fEobX37R92RiHuKBvaHcB1tp8o6e8j3zzulsnWZWmCzLd5/yHbGupiBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T08:40:30.148832Z"},"content_sha256":"17654d9f5b30579e68a7817d1ae88eea6e0e33faf837bb081dda1305fe152b3a","schema_version":"1.0","event_id":"sha256:17654d9f5b30579e68a7817d1ae88eea6e0e33faf837bb081dda1305fe152b3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/bundle.json","state_url":"https://pith.science/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/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":"2026-07-12T08:40:30Z","links":{"resolver":"https://pith.science/pith/X4PJB2K3W3C6DJST5SCD5FEBF3","bundle":"https://pith.science/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/bundle.json","state":"https://pith.science/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4PJB2K3W3C6DJST5SCD5FEBF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:X4PJB2K3W3C6DJST5SCD5FEBF3","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":"3cb248e7253bb7923d6f9aadd7f9bf54f625b82dc55933d425a12be485602495","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-03-28T18:59:17Z","title_canon_sha256":"33ca0883b43d5f3ae5801eeb3bf246ba5dbd62168f81c26499eb1172f44d6e6f"},"schema_version":"1.0","source":{"id":"2303.16254","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.16254","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"arxiv_version","alias_value":"2303.16254v3","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.16254","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_12","alias_value":"X4PJB2K3W3C6","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_16","alias_value":"X4PJB2K3W3C6DJST","created_at":"2026-07-05T06:59:30Z"},{"alias_kind":"pith_short_8","alias_value":"X4PJB2K3","created_at":"2026-07-05T06:59:30Z"}],"graph_snapshots":[{"event_id":"sha256:17654d9f5b30579e68a7817d1ae88eea6e0e33faf837bb081dda1305fe152b3a","target":"graph","created_at":"2026-07-05T06:59:30Z","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/2303.16254/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cryo-electron microscopy (cryo-EM) allows for the high-resolution reconstruction of 3D structures of proteins and other biomolecules. Successful reconstruction of both shape and movement greatly helps understand the fundamental processes of life. However, it is still challenging to reconstruct the continuous motions of 3D structures from hundreds of thousands of noisy and randomly oriented 2D cryo-EM images. Recent advancements use Fourier domain coordinate-based neural networks to continuously model 3D conformations, yet they often struggle to capture local flexible regions accurately. We pro","authors_text":"Hao Li, Jiakai Zhang, Jingyi Yu, Lan Xu, Xinhang Liu, Yan Zeng, Yifan Qin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-03-28T18:59:17Z","title":"CryoFormer: Continuous Heterogeneous Cryo-EM Reconstruction using Transformer-based Neural Representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.16254","kind":"arxiv","version":3},"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":"sha256:239204fb6d01d8c5669df841d9f4baf7a269bc92933126c5c413be0436da18e8","target":"record","created_at":"2026-07-05T06:59:30Z","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":"3cb248e7253bb7923d6f9aadd7f9bf54f625b82dc55933d425a12be485602495","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-03-28T18:59:17Z","title_canon_sha256":"33ca0883b43d5f3ae5801eeb3bf246ba5dbd62168f81c26499eb1172f44d6e6f"},"schema_version":"1.0","source":{"id":"2303.16254","kind":"arxiv","version":3}},"canonical_sha256":"bf1e90e95bb6c5e1a653ec843e94812ecec3e9f9492338187a75e91cfc3f5353","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf1e90e95bb6c5e1a653ec843e94812ecec3e9f9492338187a75e91cfc3f5353","first_computed_at":"2026-07-05T06:59:30.777002Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:59:30.777002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vvSpWRTE2VQZPXb12NdQ3xhao8UXlSOyUNM8vfJBPQWXyll5v5waPK2Ptg8Kshp471nivDlIALRbhTWBaMlqAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:59:30.777453Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.16254","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:239204fb6d01d8c5669df841d9f4baf7a269bc92933126c5c413be0436da18e8","sha256:17654d9f5b30579e68a7817d1ae88eea6e0e33faf837bb081dda1305fe152b3a"],"state_sha256":"ad7235958c4a2288feadda099ca08240fa5cd1fd5ad59c162dbad222f59e404e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BY9ziJvXF58pYo2ZHpn/UGQc075KWl0fIJGZKsH1DY34VgeCD/k7rUu0PjBuGngY2YvmW7Q6SCan0KP8bMS0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T08:40:30.151233Z","bundle_sha256":"11efd8d046f43e9a7ac465a1f597b4b8c1ef674aac8ebd0dd333a72fa991a59e"}}