{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2IAAUUD3PWFMIZOTS5REBEF3JC","short_pith_number":"pith:2IAAUUD3","canonical_record":{"source":{"id":"2504.21092","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"q-bio.QM","submitted_at":"2025-04-29T18:03:51Z","cross_cats_sorted":[],"title_canon_sha256":"e1405123060c3c506558d09a45f1c7ba09e6eea468a212c208f8cb73a039235d","abstract_canon_sha256":"cf7605a4479d87332ba715fb1d300d549c2d1eb6427ac97fa4fb7a534af4c893"},"schema_version":"1.0"},"canonical_sha256":"d2000a507b7d8ac465d397624090bb4895f4b1e6c847c9b0246e082e18848211","source":{"kind":"arxiv","id":"2504.21092","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.21092","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"arxiv_version","alias_value":"2504.21092v1","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.21092","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_12","alias_value":"2IAAUUD3PWFM","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_16","alias_value":"2IAAUUD3PWFMIZOT","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_8","alias_value":"2IAAUUD3","created_at":"2026-07-05T10:55:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2IAAUUD3PWFMIZOTS5REBEF3JC","target":"record","payload":{"canonical_record":{"source":{"id":"2504.21092","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"q-bio.QM","submitted_at":"2025-04-29T18:03:51Z","cross_cats_sorted":[],"title_canon_sha256":"e1405123060c3c506558d09a45f1c7ba09e6eea468a212c208f8cb73a039235d","abstract_canon_sha256":"cf7605a4479d87332ba715fb1d300d549c2d1eb6427ac97fa4fb7a534af4c893"},"schema_version":"1.0"},"canonical_sha256":"d2000a507b7d8ac465d397624090bb4895f4b1e6c847c9b0246e082e18848211","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:55:56.586156Z","signature_b64":"2nMfD5cmfkAEqvAFXlkF8/rrnXUm/lJLUdzk5J4li7TmfRrC35m9vQIdkV9Yj8ejzU4xrKLB0VsnJoHGtm+VDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2000a507b7d8ac465d397624090bb4895f4b1e6c847c9b0246e082e18848211","last_reissued_at":"2026-07-05T10:55:56.585683Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:55:56.585683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.21092","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":"2026-07-05T10:55:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sUv8TqHyLYkmc6BMeTplN7kJaMvdA2PJRYL4WKzwhYVgVwvFcb06D9+fa8/c5eEeEmB1IQVApNxe66mfavsLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T12:21:06.170811Z"},"content_sha256":"365e55eb3dc7e2bcfae6f5879c70db91fe2f37af0f8aed9da2915363e7231271","schema_version":"1.0","event_id":"sha256:365e55eb3dc7e2bcfae6f5879c70db91fe2f37af0f8aed9da2915363e7231271"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2IAAUUD3PWFMIZOTS5REBEF3JC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ProT-GFDM: A Generative Fractional Diffusion Model for Protein Generation","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.QM","authors_text":"Eric Paquet, Herna Lydia Viktor, Wentao Ma, Wojtek Michalowski, Xiao Liang","submitted_at":"2025-04-29T18:03:51Z","abstract_excerpt":"This work introduces the generative fractional diffusion model for protein generation (ProT-GFDM), a novel generative framework that employs fractional stochastic dynamics for protein backbone structure modeling. This approach builds on the continuous-time score-based generative diffusion modeling paradigm, where data are progressively transformed into noise via a stochastic differential equation and reversed to generate structured samples. Unlike classical methods that rely on standard Brownian motion, ProT-GFDM employs a fractional stochastic process with superdiffusive properties to improve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.21092","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/2504.21092/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":"2026-07-05T10:55:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xD3dJc3zR01lFVGSAk7RPirFAXDfBHiCpMoaTWnZjZe+LBdug13WMcm1U5skjaOPMZYaXJNH7/58W1qlCVG3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T12:21:06.171318Z"},"content_sha256":"b4f6c4324f3a9337d53ea1d098a0ee5c4bc1a8cbaf490de4525e385d4616a7c1","schema_version":"1.0","event_id":"sha256:b4f6c4324f3a9337d53ea1d098a0ee5c4bc1a8cbaf490de4525e385d4616a7c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/bundle.json","state_url":"https://pith.science/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/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":"2026-08-20T12:21:06Z","links":{"resolver":"https://pith.science/pith/2IAAUUD3PWFMIZOTS5REBEF3JC","bundle":"https://pith.science/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/bundle.json","state":"https://pith.science/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2IAAUUD3PWFMIZOTS5REBEF3JC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2IAAUUD3PWFMIZOTS5REBEF3JC","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":"cf7605a4479d87332ba715fb1d300d549c2d1eb6427ac97fa4fb7a534af4c893","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"q-bio.QM","submitted_at":"2025-04-29T18:03:51Z","title_canon_sha256":"e1405123060c3c506558d09a45f1c7ba09e6eea468a212c208f8cb73a039235d"},"schema_version":"1.0","source":{"id":"2504.21092","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.21092","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"arxiv_version","alias_value":"2504.21092v1","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.21092","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_12","alias_value":"2IAAUUD3PWFM","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_16","alias_value":"2IAAUUD3PWFMIZOT","created_at":"2026-07-05T10:55:56Z"},{"alias_kind":"pith_short_8","alias_value":"2IAAUUD3","created_at":"2026-07-05T10:55:56Z"}],"graph_snapshots":[{"event_id":"sha256:b4f6c4324f3a9337d53ea1d098a0ee5c4bc1a8cbaf490de4525e385d4616a7c1","target":"graph","created_at":"2026-07-05T10:55:56Z","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/2504.21092/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work introduces the generative fractional diffusion model for protein generation (ProT-GFDM), a novel generative framework that employs fractional stochastic dynamics for protein backbone structure modeling. This approach builds on the continuous-time score-based generative diffusion modeling paradigm, where data are progressively transformed into noise via a stochastic differential equation and reversed to generate structured samples. Unlike classical methods that rely on standard Brownian motion, ProT-GFDM employs a fractional stochastic process with superdiffusive properties to improve","authors_text":"Eric Paquet, Herna Lydia Viktor, Wentao Ma, Wojtek Michalowski, Xiao Liang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"q-bio.QM","submitted_at":"2025-04-29T18:03:51Z","title":"ProT-GFDM: A Generative Fractional Diffusion Model for Protein Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.21092","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":"sha256:365e55eb3dc7e2bcfae6f5879c70db91fe2f37af0f8aed9da2915363e7231271","target":"record","created_at":"2026-07-05T10:55:56Z","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":"cf7605a4479d87332ba715fb1d300d549c2d1eb6427ac97fa4fb7a534af4c893","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"q-bio.QM","submitted_at":"2025-04-29T18:03:51Z","title_canon_sha256":"e1405123060c3c506558d09a45f1c7ba09e6eea468a212c208f8cb73a039235d"},"schema_version":"1.0","source":{"id":"2504.21092","kind":"arxiv","version":1}},"canonical_sha256":"d2000a507b7d8ac465d397624090bb4895f4b1e6c847c9b0246e082e18848211","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2000a507b7d8ac465d397624090bb4895f4b1e6c847c9b0246e082e18848211","first_computed_at":"2026-07-05T10:55:56.585683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:55:56.585683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2nMfD5cmfkAEqvAFXlkF8/rrnXUm/lJLUdzk5J4li7TmfRrC35m9vQIdkV9Yj8ejzU4xrKLB0VsnJoHGtm+VDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:55:56.586156Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.21092","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:365e55eb3dc7e2bcfae6f5879c70db91fe2f37af0f8aed9da2915363e7231271","sha256:b4f6c4324f3a9337d53ea1d098a0ee5c4bc1a8cbaf490de4525e385d4616a7c1"],"state_sha256":"c8edf997dd5527454fe639752cdb6a6838f37fb11b59b8f6440c47370e23d97f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SvVlv8YI23YeYjbIQwj/cubedBU5Z7WLEZKYohFYBjkXxxsZBLkRzXbLgUEZTmnbbF7mU7r74puBGYSSa+m2Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T12:21:06.175626Z","bundle_sha256":"15d08327f3ee50ee4320edf01c63a3d605180da81c9088e4ff0302523e2aa6ed"}}