{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QVPVE3QRUS7524NXFH5MM7EUBE","short_pith_number":"pith:QVPVE3QR","canonical_record":{"source":{"id":"1507.05740","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2015-07-21T08:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"13586884e5c92589a828faeb11d0d6e4ff3514bb8d226f77c041b02ce9a557a2","abstract_canon_sha256":"d41ae0e18a16a4b62e134ed4537239547a3f0643e22d83b12edbb5d3efcb858a"},"schema_version":"1.0"},"canonical_sha256":"855f526e11a4bfdd71b729fac67c940919cd5a13728f826912858ca055465060","source":{"kind":"arxiv","id":"1507.05740","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05740","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05740v1","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05740","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"pith_short_12","alias_value":"QVPVE3QRUS75","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"QVPVE3QRUS7524NX","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"QVPVE3QR","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QVPVE3QRUS7524NXFH5MM7EUBE","target":"record","payload":{"canonical_record":{"source":{"id":"1507.05740","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2015-07-21T08:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"13586884e5c92589a828faeb11d0d6e4ff3514bb8d226f77c041b02ce9a557a2","abstract_canon_sha256":"d41ae0e18a16a4b62e134ed4537239547a3f0643e22d83b12edbb5d3efcb858a"},"schema_version":"1.0"},"canonical_sha256":"855f526e11a4bfdd71b729fac67c940919cd5a13728f826912858ca055465060","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:10.326291Z","signature_b64":"wdj3EyewhU9rJjkjQq1DIw3UFCVuHjIvNZUuSvc7XSyq2DzukvrOmJH/ozoEMu9G6Qud9m2ddBYM8oxfJdLeDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"855f526e11a4bfdd71b729fac67c940919cd5a13728f826912858ca055465060","last_reissued_at":"2026-05-18T01:10:10.325803Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:10.325803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.05740","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":"2026-05-18T01:10:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UFHMWtvdekqDKfQRRalR5zoWCE8FcSEwtxVT9yZf+Ggdlxn4HQNRE3vKq5uvDVasUWNdZwLR/m+3DvZp9Ed7Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:44:51.796383Z"},"content_sha256":"f2be5adc985ec698e5384a11ab3a5da87f3806390cb40cace659dc5b77a29035","schema_version":"1.0","event_id":"sha256:f2be5adc985ec698e5384a11ab3a5da87f3806390cb40cace659dc5b77a29035"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QVPVE3QRUS7524NXFH5MM7EUBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Implementation and verification of different ECC mitigation designs for BRAMs in flash-based FPGAs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Hong Su, Jie Liu, Xiaohui Wang, Zhangang Zhang, Zhenlei Yang","submitted_at":"2015-07-21T08:14:29Z","abstract_excerpt":"Embedded RAM blocks (BRAMs) in field programmable gate arrays (FPGAs) are susceptible to single event effects (SEEs) induced by environmental factors such as cosmic rays, heavy ions, alpha particles and so on. As technology scales, the issue will be more serious. In order to tackle this issue, two different error correcting codes (ECCs), the shortened Hamming codes and shortened BCH codes, are investigated in this paper. The concrete design methods of the codes are presented. Also, the codes are both implemented in flash-based FPGAs. Finally, the synthesis report and simulation results are pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05740","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":""},"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":"2026-05-18T01:10:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c3wOId+5UK9rDfx/PYVazSTJddg4lG1Xi6yzoykfk5F9JbySGiZZwLZV9VLdaW4PU5g4nJyFvxBfPK7y01TIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:44:51.796731Z"},"content_sha256":"1a2882c523e5de9115f4329d5a41ef7932988be09cf6ef9ca4c7f112e144d906","schema_version":"1.0","event_id":"sha256:1a2882c523e5de9115f4329d5a41ef7932988be09cf6ef9ca4c7f112e144d906"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVPVE3QRUS7524NXFH5MM7EUBE/bundle.json","state_url":"https://pith.science/pith/QVPVE3QRUS7524NXFH5MM7EUBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVPVE3QRUS7524NXFH5MM7EUBE/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":"2026-06-04T21:44:51Z","links":{"resolver":"https://pith.science/pith/QVPVE3QRUS7524NXFH5MM7EUBE","bundle":"https://pith.science/pith/QVPVE3QRUS7524NXFH5MM7EUBE/bundle.json","state":"https://pith.science/pith/QVPVE3QRUS7524NXFH5MM7EUBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVPVE3QRUS7524NXFH5MM7EUBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QVPVE3QRUS7524NXFH5MM7EUBE","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":"d41ae0e18a16a4b62e134ed4537239547a3f0643e22d83b12edbb5d3efcb858a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2015-07-21T08:14:29Z","title_canon_sha256":"13586884e5c92589a828faeb11d0d6e4ff3514bb8d226f77c041b02ce9a557a2"},"schema_version":"1.0","source":{"id":"1507.05740","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05740","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05740v1","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05740","created_at":"2026-05-18T01:10:10Z"},{"alias_kind":"pith_short_12","alias_value":"QVPVE3QRUS75","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"QVPVE3QRUS7524NX","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"QVPVE3QR","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:1a2882c523e5de9115f4329d5a41ef7932988be09cf6ef9ca4c7f112e144d906","target":"graph","created_at":"2026-05-18T01:10:10Z","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"},"paper":{"abstract_excerpt":"Embedded RAM blocks (BRAMs) in field programmable gate arrays (FPGAs) are susceptible to single event effects (SEEs) induced by environmental factors such as cosmic rays, heavy ions, alpha particles and so on. As technology scales, the issue will be more serious. In order to tackle this issue, two different error correcting codes (ECCs), the shortened Hamming codes and shortened BCH codes, are investigated in this paper. The concrete design methods of the codes are presented. Also, the codes are both implemented in flash-based FPGAs. Finally, the synthesis report and simulation results are pre","authors_text":"Hong Su, Jie Liu, Xiaohui Wang, Zhangang Zhang, Zhenlei Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2015-07-21T08:14:29Z","title":"Implementation and verification of different ECC mitigation designs for BRAMs in flash-based FPGAs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05740","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:f2be5adc985ec698e5384a11ab3a5da87f3806390cb40cace659dc5b77a29035","target":"record","created_at":"2026-05-18T01:10:10Z","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":"d41ae0e18a16a4b62e134ed4537239547a3f0643e22d83b12edbb5d3efcb858a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2015-07-21T08:14:29Z","title_canon_sha256":"13586884e5c92589a828faeb11d0d6e4ff3514bb8d226f77c041b02ce9a557a2"},"schema_version":"1.0","source":{"id":"1507.05740","kind":"arxiv","version":1}},"canonical_sha256":"855f526e11a4bfdd71b729fac67c940919cd5a13728f826912858ca055465060","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"855f526e11a4bfdd71b729fac67c940919cd5a13728f826912858ca055465060","first_computed_at":"2026-05-18T01:10:10.325803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:10.325803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wdj3EyewhU9rJjkjQq1DIw3UFCVuHjIvNZUuSvc7XSyq2DzukvrOmJH/ozoEMu9G6Qud9m2ddBYM8oxfJdLeDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:10.326291Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.05740","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2be5adc985ec698e5384a11ab3a5da87f3806390cb40cace659dc5b77a29035","sha256:1a2882c523e5de9115f4329d5a41ef7932988be09cf6ef9ca4c7f112e144d906"],"state_sha256":"8e5b5ae6a0a041db43982de288567ab14a818997be3e7fb53fcc5c18d678aa49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOQVpKwx67IfGmc4RWq6yS+DNZcGRtkEh7GX0tV8ulegjo8d46X7aKqtXx1PGo27CR3OAqPXHIf9d3yaTBK8Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:44:51.798781Z","bundle_sha256":"540a0ee4bd88787e660c441181c42d7849190d37df56e6802a16de09fd444d2b"}}