{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PSPWPURDVUGPESPF5FAKXZS5KV","short_pith_number":"pith:PSPWPURD","canonical_record":{"source":{"id":"1804.01918","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-05T15:47:04Z","cross_cats_sorted":[],"title_canon_sha256":"33031234cf5a799d6d8ae57f449064dc1201b0b35a86f180a3fb4e89cb446642","abstract_canon_sha256":"dd1e90e656fe4564b77e54fffedd45330418e87b1b5c646b52f74c8785f7bc4f"},"schema_version":"1.0"},"canonical_sha256":"7c9f67d223ad0cf249e5e940abe65d5552145416641319e67f5e7d14c68bd5bc","source":{"kind":"arxiv","id":"1804.01918","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01918","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01918v1","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01918","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"pith_short_12","alias_value":"PSPWPURDVUGP","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PSPWPURDVUGPESPF","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PSPWPURD","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PSPWPURDVUGPESPF5FAKXZS5KV","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01918","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-05T15:47:04Z","cross_cats_sorted":[],"title_canon_sha256":"33031234cf5a799d6d8ae57f449064dc1201b0b35a86f180a3fb4e89cb446642","abstract_canon_sha256":"dd1e90e656fe4564b77e54fffedd45330418e87b1b5c646b52f74c8785f7bc4f"},"schema_version":"1.0"},"canonical_sha256":"7c9f67d223ad0cf249e5e940abe65d5552145416641319e67f5e7d14c68bd5bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:09.562353Z","signature_b64":"t4PINtxXH3CM6dfBqIqnTnZmwt4zbMyRRgjqPRnd9uwfo8Tkl4XE2DQJUrMcYb8kZkMqg8EbGeYr4rS3d1NEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c9f67d223ad0cf249e5e940abe65d5552145416641319e67f5e7d14c68bd5bc","last_reissued_at":"2026-05-18T00:19:09.561778Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:09.561778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01918","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":"2026-05-18T00:19:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UbZ8GNfX7rapRWDNAGJOku1KvKIhDuXkvko4HlVtt/dMxKBAtrk0wSljQPPB2kXMF0k/zDG8ym8i8Q2uFcgyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:21.248682Z"},"content_sha256":"05aa7a078cb3c52e75e15871fff10481c7817238a337dad3667434cd1b044c13","schema_version":"1.0","event_id":"sha256:05aa7a078cb3c52e75e15871fff10481c7817238a337dad3667434cd1b044c13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PSPWPURDVUGPESPF5FAKXZS5KV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Early Experience on Using Knights Landing Processors for Lattice Boltzmann Applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Alessandro Gabbana, Enrico Calore, Raffaele Tripiccione, Sebastiano Fabio Schifano","submitted_at":"2018-04-05T15:47:04Z","abstract_excerpt":"The Knights Landing (KNL) is the codename for the latest generation of Intel processors based on Intel Many Integrated Core (MIC) architecture. It relies on massive thread and data parallelism, and fast on-chip memory. This processor operates in standalone mode, booting an off-the-shelf Linux operating system. The KNL peak performance is very high - approximately 3 Tflops in double precision and 6 Tflops in single precision - but sustained performance depends critically on how well all parallel features of the processor are exploited by real-life applications. We assess the performance of this"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01918","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":"2026-05-18T00:19:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XeCleppbUR5IInh1Q1DpUm9KujkFhSQnKUB6My3EZL2Kw9n3BqST8ohMETRtpN2oYGLX+VBWvWLMx1mmSaGQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:21.249340Z"},"content_sha256":"5430effd64c7bbe574d82158c85c7c0abc89e6320f5ef2aaadfb09aa9b094195","schema_version":"1.0","event_id":"sha256:5430effd64c7bbe574d82158c85c7c0abc89e6320f5ef2aaadfb09aa9b094195"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSPWPURDVUGPESPF5FAKXZS5KV/bundle.json","state_url":"https://pith.science/pith/PSPWPURDVUGPESPF5FAKXZS5KV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSPWPURDVUGPESPF5FAKXZS5KV/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":"2026-05-27T18:27:21Z","links":{"resolver":"https://pith.science/pith/PSPWPURDVUGPESPF5FAKXZS5KV","bundle":"https://pith.science/pith/PSPWPURDVUGPESPF5FAKXZS5KV/bundle.json","state":"https://pith.science/pith/PSPWPURDVUGPESPF5FAKXZS5KV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSPWPURDVUGPESPF5FAKXZS5KV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PSPWPURDVUGPESPF5FAKXZS5KV","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":"dd1e90e656fe4564b77e54fffedd45330418e87b1b5c646b52f74c8785f7bc4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-05T15:47:04Z","title_canon_sha256":"33031234cf5a799d6d8ae57f449064dc1201b0b35a86f180a3fb4e89cb446642"},"schema_version":"1.0","source":{"id":"1804.01918","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01918","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01918v1","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01918","created_at":"2026-05-18T00:19:09Z"},{"alias_kind":"pith_short_12","alias_value":"PSPWPURDVUGP","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PSPWPURDVUGPESPF","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PSPWPURD","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:5430effd64c7bbe574d82158c85c7c0abc89e6320f5ef2aaadfb09aa9b094195","target":"graph","created_at":"2026-05-18T00:19:09Z","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":"The Knights Landing (KNL) is the codename for the latest generation of Intel processors based on Intel Many Integrated Core (MIC) architecture. It relies on massive thread and data parallelism, and fast on-chip memory. This processor operates in standalone mode, booting an off-the-shelf Linux operating system. The KNL peak performance is very high - approximately 3 Tflops in double precision and 6 Tflops in single precision - but sustained performance depends critically on how well all parallel features of the processor are exploited by real-life applications. We assess the performance of this","authors_text":"Alessandro Gabbana, Enrico Calore, Raffaele Tripiccione, Sebastiano Fabio Schifano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-05T15:47:04Z","title":"Early Experience on Using Knights Landing Processors for Lattice Boltzmann Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01918","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":"sha256:05aa7a078cb3c52e75e15871fff10481c7817238a337dad3667434cd1b044c13","target":"record","created_at":"2026-05-18T00:19:09Z","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":"dd1e90e656fe4564b77e54fffedd45330418e87b1b5c646b52f74c8785f7bc4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-05T15:47:04Z","title_canon_sha256":"33031234cf5a799d6d8ae57f449064dc1201b0b35a86f180a3fb4e89cb446642"},"schema_version":"1.0","source":{"id":"1804.01918","kind":"arxiv","version":1}},"canonical_sha256":"7c9f67d223ad0cf249e5e940abe65d5552145416641319e67f5e7d14c68bd5bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c9f67d223ad0cf249e5e940abe65d5552145416641319e67f5e7d14c68bd5bc","first_computed_at":"2026-05-18T00:19:09.561778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:09.561778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t4PINtxXH3CM6dfBqIqnTnZmwt4zbMyRRgjqPRnd9uwfo8Tkl4XE2DQJUrMcYb8kZkMqg8EbGeYr4rS3d1NEBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:09.562353Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01918","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05aa7a078cb3c52e75e15871fff10481c7817238a337dad3667434cd1b044c13","sha256:5430effd64c7bbe574d82158c85c7c0abc89e6320f5ef2aaadfb09aa9b094195"],"state_sha256":"755da691dd6b66dbe6528555a191031e29e45abfc5f6641e8486a8332d7fd6db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NToH1VCm9tIOqxqVUmzVtpF1awJhn1G+rYFbzZRvFdLzV03HJZFDFhfxTweB5+y4/pdIVTKbIiWOUh+N/2IJCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:27:21.252996Z","bundle_sha256":"f5894071cbb571d8d5f2bc0bfc5ce43714d912468bdfbb9cde856ef69af5df67"}}