{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VSFNFZOHU736TPABI7UKLRTFBD","short_pith_number":"pith:VSFNFZOH","canonical_record":{"source":{"id":"2104.06575","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-04-14T01:33:20Z","cross_cats_sorted":["cs.CG","cs.LG"],"title_canon_sha256":"7327774461e499663543e0f94bd42d7d2a19967308fff696371af970271e6221","abstract_canon_sha256":"8f45c852406ed76932b131b6efeeab18609e61896f8f890dfff5e875d9e6dfc8"},"schema_version":"1.0"},"canonical_sha256":"ac8ad2e5c7a7f7e9bc0147e8a5c66508fb9e5f75694e3f498b91d49452a6adb4","source":{"kind":"arxiv","id":"2104.06575","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06575","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06575v1","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06575","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_12","alias_value":"VSFNFZOHU736","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_16","alias_value":"VSFNFZOHU736TPAB","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_8","alias_value":"VSFNFZOH","created_at":"2026-07-05T03:13:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VSFNFZOHU736TPABI7UKLRTFBD","target":"record","payload":{"canonical_record":{"source":{"id":"2104.06575","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-04-14T01:33:20Z","cross_cats_sorted":["cs.CG","cs.LG"],"title_canon_sha256":"7327774461e499663543e0f94bd42d7d2a19967308fff696371af970271e6221","abstract_canon_sha256":"8f45c852406ed76932b131b6efeeab18609e61896f8f890dfff5e875d9e6dfc8"},"schema_version":"1.0"},"canonical_sha256":"ac8ad2e5c7a7f7e9bc0147e8a5c66508fb9e5f75694e3f498b91d49452a6adb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:13:27.149726Z","signature_b64":"q99WiAoI/XXtbEKqx+LHp/QdtLTwVaYfpbX5dmapJjQdPDVdcNMhjt9hn9cIvMKm8Gd4dioC0GGnKdXxP8vKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac8ad2e5c7a7f7e9bc0147e8a5c66508fb9e5f75694e3f498b91d49452a6adb4","last_reissued_at":"2026-07-05T03:13:27.149271Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:13:27.149271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.06575","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":"2026-07-05T03:13:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqjHJls731N6LD0uHkzvhtEnFjjdPagNsndcOFPidhYWi6Rg1N9g0u3qJFyxdQlLVsrjfc3fuqcbj1OSDdDfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:06:39.003801Z"},"content_sha256":"c77f987824102ea83e15b0b6b7a7dc37b9b567d74b0a92ad78a238cc2af5ac91","schema_version":"1.0","event_id":"sha256:c77f987824102ea83e15b0b6b7a7dc37b9b567d74b0a92ad78a238cc2af5ac91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VSFNFZOHU736TPABI7UKLRTFBD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Five Degree-of-Freedom Property Interpolation of Arbitrary Grain Boundaries via Voronoi Fundamental Zone Octonion Framework","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CG","cs.LG"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David T. Fullwood, Eric R. Homer, Oliver K. Johnson, Sterling G. Baird","submitted_at":"2021-04-14T01:33:20Z","abstract_excerpt":"We introduce the Voronoi fundamental zone octonion interpolation framework for grain boundary (GB) structure-property models and surrogates. The VFZO framework offers an advantage over other five degree-of-freedom based property interpolation methods because it is constructed as a point set in a manifold. This means that directly computed Euclidean distances approximate the original octonion distance with significantly reduced computation runtime (~7 CPU minutes vs. 153 CPU days for a 50000x50000 pairwise-distance matrix). This increased efficiency facilitates lower interpolation error through"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06575","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/2104.06575/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":"2026-07-05T03:13:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RVPOMxA6bD6Dg/JOCMQjMk7jIaXez83Cej+LHrcHYcgXQ+9jaYH3mNHtBQXTQqfZPpotrV3NAMp76q+eyVlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:06:39.004424Z"},"content_sha256":"5615f2bf748e27bf17cd2e00a7938df65b0df4c250bd7f67407747e8ce09e09e","schema_version":"1.0","event_id":"sha256:5615f2bf748e27bf17cd2e00a7938df65b0df4c250bd7f67407747e8ce09e09e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VSFNFZOHU736TPABI7UKLRTFBD/bundle.json","state_url":"https://pith.science/pith/VSFNFZOHU736TPABI7UKLRTFBD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VSFNFZOHU736TPABI7UKLRTFBD/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":"2026-08-03T17:06:39Z","links":{"resolver":"https://pith.science/pith/VSFNFZOHU736TPABI7UKLRTFBD","bundle":"https://pith.science/pith/VSFNFZOHU736TPABI7UKLRTFBD/bundle.json","state":"https://pith.science/pith/VSFNFZOHU736TPABI7UKLRTFBD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VSFNFZOHU736TPABI7UKLRTFBD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VSFNFZOHU736TPABI7UKLRTFBD","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":"8f45c852406ed76932b131b6efeeab18609e61896f8f890dfff5e875d9e6dfc8","cross_cats_sorted":["cs.CG","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-04-14T01:33:20Z","title_canon_sha256":"7327774461e499663543e0f94bd42d7d2a19967308fff696371af970271e6221"},"schema_version":"1.0","source":{"id":"2104.06575","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06575","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06575v1","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06575","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_12","alias_value":"VSFNFZOHU736","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_16","alias_value":"VSFNFZOHU736TPAB","created_at":"2026-07-05T03:13:27Z"},{"alias_kind":"pith_short_8","alias_value":"VSFNFZOH","created_at":"2026-07-05T03:13:27Z"}],"graph_snapshots":[{"event_id":"sha256:5615f2bf748e27bf17cd2e00a7938df65b0df4c250bd7f67407747e8ce09e09e","target":"graph","created_at":"2026-07-05T03:13:27Z","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/2104.06575/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce the Voronoi fundamental zone octonion interpolation framework for grain boundary (GB) structure-property models and surrogates. The VFZO framework offers an advantage over other five degree-of-freedom based property interpolation methods because it is constructed as a point set in a manifold. This means that directly computed Euclidean distances approximate the original octonion distance with significantly reduced computation runtime (~7 CPU minutes vs. 153 CPU days for a 50000x50000 pairwise-distance matrix). This increased efficiency facilitates lower interpolation error through","authors_text":"David T. Fullwood, Eric R. Homer, Oliver K. Johnson, Sterling G. Baird","cross_cats":["cs.CG","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-04-14T01:33:20Z","title":"Five Degree-of-Freedom Property Interpolation of Arbitrary Grain Boundaries via Voronoi Fundamental Zone Octonion Framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06575","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:c77f987824102ea83e15b0b6b7a7dc37b9b567d74b0a92ad78a238cc2af5ac91","target":"record","created_at":"2026-07-05T03:13:27Z","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":"8f45c852406ed76932b131b6efeeab18609e61896f8f890dfff5e875d9e6dfc8","cross_cats_sorted":["cs.CG","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-04-14T01:33:20Z","title_canon_sha256":"7327774461e499663543e0f94bd42d7d2a19967308fff696371af970271e6221"},"schema_version":"1.0","source":{"id":"2104.06575","kind":"arxiv","version":1}},"canonical_sha256":"ac8ad2e5c7a7f7e9bc0147e8a5c66508fb9e5f75694e3f498b91d49452a6adb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac8ad2e5c7a7f7e9bc0147e8a5c66508fb9e5f75694e3f498b91d49452a6adb4","first_computed_at":"2026-07-05T03:13:27.149271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:13:27.149271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q99WiAoI/XXtbEKqx+LHp/QdtLTwVaYfpbX5dmapJjQdPDVdcNMhjt9hn9cIvMKm8Gd4dioC0GGnKdXxP8vKAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:13:27.149726Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.06575","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c77f987824102ea83e15b0b6b7a7dc37b9b567d74b0a92ad78a238cc2af5ac91","sha256:5615f2bf748e27bf17cd2e00a7938df65b0df4c250bd7f67407747e8ce09e09e"],"state_sha256":"f4c16a4a1002613d2e9f048dd6aab80792f655638ea59c623f7255c3a66985d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMJlE4q4neVDsmNx2ped0RicG/4tn83mQQhEEcpRVC88/IyAaa4lQSohvGu1PyZeodIvEt8sfvVALuwlKxDxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:06:39.009860Z","bundle_sha256":"9037ed3aa1444024fced7e0aa4d029e4b56efd3cd6c828bf5d5d93664e1af372"}}