{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6HTJMRROVIZZKDEDMS7SURJOXK","short_pith_number":"pith:6HTJMRRO","canonical_record":{"source":{"id":"1702.02968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2017-02-09T20:11:26Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"1228d4f9fcc66397d0dfe757eb67a93df2e7b9cf19bf70d8b2fd224abd07dcee","abstract_canon_sha256":"eb91afc6b3f061dc002bd45027ad8f49b6024faadcdd628fdb51694dee736a1d"},"schema_version":"1.0"},"canonical_sha256":"f1e696462eaa33950c8364bf2a452ebab47c23ed51a675846f771a3f1e16936b","source":{"kind":"arxiv","id":"1702.02968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02968","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02968v1","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02968","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"pith_short_12","alias_value":"6HTJMRROVIZZ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6HTJMRROVIZZKDED","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6HTJMRRO","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6HTJMRROVIZZKDEDMS7SURJOXK","target":"record","payload":{"canonical_record":{"source":{"id":"1702.02968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2017-02-09T20:11:26Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"1228d4f9fcc66397d0dfe757eb67a93df2e7b9cf19bf70d8b2fd224abd07dcee","abstract_canon_sha256":"eb91afc6b3f061dc002bd45027ad8f49b6024faadcdd628fdb51694dee736a1d"},"schema_version":"1.0"},"canonical_sha256":"f1e696462eaa33950c8364bf2a452ebab47c23ed51a675846f771a3f1e16936b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:47.941488Z","signature_b64":"4/sBq6mwPRzkZE8gEYjFKx5Bh7Ucf5FCX01NeYWATYtfcZk7dgygIfBfsh7Al0NHGKE64i1QqLBy+nFXVbwrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1e696462eaa33950c8364bf2a452ebab47c23ed51a675846f771a3f1e16936b","last_reissued_at":"2026-05-18T00:10:47.940832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:47.940832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.02968","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":"2026-05-18T00:10:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P+h7lI7q/kfJ15qdg8gC5jYxCOL5HnsgrpvTuDKEuJcfaPQGtjg1XLDaMomVwwpdXY6jX320XzYeH/ePFFTSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:43:51.937796Z"},"content_sha256":"0cbca805fa50253a2f8a5f2952dc3d3d22979fde4b9e6f50169a8ce13eb12240","schema_version":"1.0","event_id":"sha256:0cbca805fa50253a2f8a5f2952dc3d3d22979fde4b9e6f50169a8ce13eb12240"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6HTJMRROVIZZKDEDMS7SURJOXK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparative benchmarking of cloud computing vendors with High Performance Linpack","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"cs.PF","authors_text":"Mohammad Mohammadi, Timur Bazhirov","submitted_at":"2017-02-09T20:11:26Z","abstract_excerpt":"We present a comparative analysis of the maximum performance achieved by the Linpack benchmark on compute intensive hardware publicly available from multiple cloud providers. We study both performance within a single compute node, and speedup for distributed memory calculations with up to 32 nodes or at least 512 computing cores. We distinguish between hyper-threaded and non-hyper-threaded scenarios and estimate the performance per single computing core. We also compare results with a traditional supercomputing system for reference. Our findings provide a way to rank the cloud providers and de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02968","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":"2026-05-18T00:10:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EhDFWQ/9vArU5jOwjZVkkcNMY0Us6P7bNC85ASAeUNnvHTKt9PFhcGqXoLmZpC0IfViQpXygCHmjzAiKMmZFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:43:51.938484Z"},"content_sha256":"9d92bbeb6e896db628db9bc649fd8a1cd2418485b7f647e3cbc680de33ebf20c","schema_version":"1.0","event_id":"sha256:9d92bbeb6e896db628db9bc649fd8a1cd2418485b7f647e3cbc680de33ebf20c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6HTJMRROVIZZKDEDMS7SURJOXK/bundle.json","state_url":"https://pith.science/pith/6HTJMRROVIZZKDEDMS7SURJOXK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6HTJMRROVIZZKDEDMS7SURJOXK/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":"2026-05-27T20:43:51Z","links":{"resolver":"https://pith.science/pith/6HTJMRROVIZZKDEDMS7SURJOXK","bundle":"https://pith.science/pith/6HTJMRROVIZZKDEDMS7SURJOXK/bundle.json","state":"https://pith.science/pith/6HTJMRROVIZZKDEDMS7SURJOXK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6HTJMRROVIZZKDEDMS7SURJOXK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6HTJMRROVIZZKDEDMS7SURJOXK","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":"eb91afc6b3f061dc002bd45027ad8f49b6024faadcdd628fdb51694dee736a1d","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2017-02-09T20:11:26Z","title_canon_sha256":"1228d4f9fcc66397d0dfe757eb67a93df2e7b9cf19bf70d8b2fd224abd07dcee"},"schema_version":"1.0","source":{"id":"1702.02968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02968","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02968v1","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02968","created_at":"2026-05-18T00:10:47Z"},{"alias_kind":"pith_short_12","alias_value":"6HTJMRROVIZZ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6HTJMRROVIZZKDED","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6HTJMRRO","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:9d92bbeb6e896db628db9bc649fd8a1cd2418485b7f647e3cbc680de33ebf20c","target":"graph","created_at":"2026-05-18T00:10:47Z","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":"We present a comparative analysis of the maximum performance achieved by the Linpack benchmark on compute intensive hardware publicly available from multiple cloud providers. We study both performance within a single compute node, and speedup for distributed memory calculations with up to 32 nodes or at least 512 computing cores. We distinguish between hyper-threaded and non-hyper-threaded scenarios and estimate the performance per single computing core. We also compare results with a traditional supercomputing system for reference. Our findings provide a way to rank the cloud providers and de","authors_text":"Mohammad Mohammadi, Timur Bazhirov","cross_cats":["cs.DC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2017-02-09T20:11:26Z","title":"Comparative benchmarking of cloud computing vendors with High Performance Linpack"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02968","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":"sha256:0cbca805fa50253a2f8a5f2952dc3d3d22979fde4b9e6f50169a8ce13eb12240","target":"record","created_at":"2026-05-18T00:10:47Z","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":"eb91afc6b3f061dc002bd45027ad8f49b6024faadcdd628fdb51694dee736a1d","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2017-02-09T20:11:26Z","title_canon_sha256":"1228d4f9fcc66397d0dfe757eb67a93df2e7b9cf19bf70d8b2fd224abd07dcee"},"schema_version":"1.0","source":{"id":"1702.02968","kind":"arxiv","version":1}},"canonical_sha256":"f1e696462eaa33950c8364bf2a452ebab47c23ed51a675846f771a3f1e16936b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1e696462eaa33950c8364bf2a452ebab47c23ed51a675846f771a3f1e16936b","first_computed_at":"2026-05-18T00:10:47.940832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:47.940832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4/sBq6mwPRzkZE8gEYjFKx5Bh7Ucf5FCX01NeYWATYtfcZk7dgygIfBfsh7Al0NHGKE64i1QqLBy+nFXVbwrBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:47.941488Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cbca805fa50253a2f8a5f2952dc3d3d22979fde4b9e6f50169a8ce13eb12240","sha256:9d92bbeb6e896db628db9bc649fd8a1cd2418485b7f647e3cbc680de33ebf20c"],"state_sha256":"0c216c7b5c9c7bbbb5f3dc1bd1b01652b2f8caa0c1e0882b6a7f2fc0ddd23400"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4edXj75WOLFYZQBpQkF9Xubcw79e0hIu7zuMcLYSAYEBz/0K6u7O17GcxlsRNoZqXwp1UATunHDDzH74xLQKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:43:51.941903Z","bundle_sha256":"040838be93fec178f521ebc432156a65334a6d86fdeea70a2bce7a5d2a3a9d4b"}}