{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3DNBPJ5T2E5JHP5H46IVPHA66X","short_pith_number":"pith:3DNBPJ5T","canonical_record":{"source":{"id":"2404.04441","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2024-04-05T22:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"fe432e9974d47f0c6f7a0dcab29dc9f89ec2e2c9911665873cc320277ca75702","abstract_canon_sha256":"b99655f86d10a2598785307eae415fcf989e186b185f1182eb5c2689f9488041"},"schema_version":"1.0"},"canonical_sha256":"d8da17a7b3d13a93bfa7e791579c1ef5f4925fb938b880a07f20c033b2c56a12","source":{"kind":"arxiv","id":"2404.04441","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.04441","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"arxiv_version","alias_value":"2404.04441v2","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.04441","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_12","alias_value":"3DNBPJ5T2E5J","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_16","alias_value":"3DNBPJ5T2E5JHP5H","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_8","alias_value":"3DNBPJ5T","created_at":"2026-07-05T08:54:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3DNBPJ5T2E5JHP5H46IVPHA66X","target":"record","payload":{"canonical_record":{"source":{"id":"2404.04441","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2024-04-05T22:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"fe432e9974d47f0c6f7a0dcab29dc9f89ec2e2c9911665873cc320277ca75702","abstract_canon_sha256":"b99655f86d10a2598785307eae415fcf989e186b185f1182eb5c2689f9488041"},"schema_version":"1.0"},"canonical_sha256":"d8da17a7b3d13a93bfa7e791579c1ef5f4925fb938b880a07f20c033b2c56a12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:54:36.165848Z","signature_b64":"LwKyMmNbIYLw/RtlJZu6Bo88tcdq8zTWpAUBG5whLpvrTkYhoOfISTwIMjKje5G2++N+MlAnMPWeqA9eCteyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8da17a7b3d13a93bfa7e791579c1ef5f4925fb938b880a07f20c033b2c56a12","last_reissued_at":"2026-07-05T08:54:36.165440Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:54:36.165440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.04441","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:54:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LcLXQzTUXfq3pppgQG0d5zly5EMm1DGMDz2qfvo1vSjmxXbbjkKe3TeBN1hafH4xFAxdL0y/HaHWitCc/KnyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:57:59.184869Z"},"content_sha256":"88cbf6fd26f19d451b9f15961abf7726f55554a50eef990abc0b960c6dd9a032","schema_version":"1.0","event_id":"sha256:88cbf6fd26f19d451b9f15961abf7726f55554a50eef990abc0b960c6dd9a032"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3DNBPJ5T2E5JHP5H46IVPHA66X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of Programming Models and Performance for Stencil Computation on Current GPU Architectures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Baodi Shan, Mauricio Araya-Polo","submitted_at":"2024-04-05T22:56:36Z","abstract_excerpt":"Accelerated computing is widely used in high-performance computing. Therefore, it is crucial to experiment and discover how to better utilize GPUGPUs latest generations on relevant applications. In this paper, we present results and share insights about highly tuned stencil-based kernels for NVIDIA Ampere (A100) and Hopper (GH200) architectures. Performance results yield useful insights into the behavior of this type of algorithms for these new accelerators. This knowledge can be leveraged by many scientific applications which involve stencils computations. Further, evaluation of three differe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.04441","kind":"arxiv","version":2},"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/2404.04441/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":"2026-07-05T08:54:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OOd6Zue+3Oj96dmBJ+/nSeMszgcdrv0LKWhkzWyZb4wI7fqA9AQxASiOsKWwa6QVMFhXdwJSOUHjnmR9mufkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:57:59.185351Z"},"content_sha256":"68f2caa41174a6905dcfda8ccbd1a220b464508c1f67547ba6b1dbf9fba792c6","schema_version":"1.0","event_id":"sha256:68f2caa41174a6905dcfda8ccbd1a220b464508c1f67547ba6b1dbf9fba792c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/bundle.json","state_url":"https://pith.science/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/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":"2026-08-06T22:57:59Z","links":{"resolver":"https://pith.science/pith/3DNBPJ5T2E5JHP5H46IVPHA66X","bundle":"https://pith.science/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/bundle.json","state":"https://pith.science/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DNBPJ5T2E5JHP5H46IVPHA66X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3DNBPJ5T2E5JHP5H46IVPHA66X","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":"b99655f86d10a2598785307eae415fcf989e186b185f1182eb5c2689f9488041","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2024-04-05T22:56:36Z","title_canon_sha256":"fe432e9974d47f0c6f7a0dcab29dc9f89ec2e2c9911665873cc320277ca75702"},"schema_version":"1.0","source":{"id":"2404.04441","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.04441","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"arxiv_version","alias_value":"2404.04441v2","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.04441","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_12","alias_value":"3DNBPJ5T2E5J","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_16","alias_value":"3DNBPJ5T2E5JHP5H","created_at":"2026-07-05T08:54:36Z"},{"alias_kind":"pith_short_8","alias_value":"3DNBPJ5T","created_at":"2026-07-05T08:54:36Z"}],"graph_snapshots":[{"event_id":"sha256:68f2caa41174a6905dcfda8ccbd1a220b464508c1f67547ba6b1dbf9fba792c6","target":"graph","created_at":"2026-07-05T08:54:36Z","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/2404.04441/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accelerated computing is widely used in high-performance computing. Therefore, it is crucial to experiment and discover how to better utilize GPUGPUs latest generations on relevant applications. In this paper, we present results and share insights about highly tuned stencil-based kernels for NVIDIA Ampere (A100) and Hopper (GH200) architectures. Performance results yield useful insights into the behavior of this type of algorithms for these new accelerators. This knowledge can be leveraged by many scientific applications which involve stencils computations. Further, evaluation of three differe","authors_text":"Baodi Shan, Mauricio Araya-Polo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2024-04-05T22:56:36Z","title":"Evaluation of Programming Models and Performance for Stencil Computation on Current GPU Architectures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.04441","kind":"arxiv","version":2},"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":"sha256:88cbf6fd26f19d451b9f15961abf7726f55554a50eef990abc0b960c6dd9a032","target":"record","created_at":"2026-07-05T08:54:36Z","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":"b99655f86d10a2598785307eae415fcf989e186b185f1182eb5c2689f9488041","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2024-04-05T22:56:36Z","title_canon_sha256":"fe432e9974d47f0c6f7a0dcab29dc9f89ec2e2c9911665873cc320277ca75702"},"schema_version":"1.0","source":{"id":"2404.04441","kind":"arxiv","version":2}},"canonical_sha256":"d8da17a7b3d13a93bfa7e791579c1ef5f4925fb938b880a07f20c033b2c56a12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8da17a7b3d13a93bfa7e791579c1ef5f4925fb938b880a07f20c033b2c56a12","first_computed_at":"2026-07-05T08:54:36.165440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:54:36.165440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LwKyMmNbIYLw/RtlJZu6Bo88tcdq8zTWpAUBG5whLpvrTkYhoOfISTwIMjKje5G2++N+MlAnMPWeqA9eCteyCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:54:36.165848Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.04441","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88cbf6fd26f19d451b9f15961abf7726f55554a50eef990abc0b960c6dd9a032","sha256:68f2caa41174a6905dcfda8ccbd1a220b464508c1f67547ba6b1dbf9fba792c6"],"state_sha256":"5a15d306f14bde918da1f5c02338e44049fc226b30b1d7839e38a52c4f9eb390"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iQEDd62kUWu/FJDUxtb6GPr/2p8EbedJGTvbhXF6Zcb1GHfBwCkiXLGMV8C2bvHn1VPsONA90wzu0ZK57xHnAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T22:57:59.189419Z","bundle_sha256":"f47497cd58f0b2b0eefb6126aed9ef1e85da4d30ba217f310cfbbc8c57a1b37c"}}