{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:2Q5JTNKFDW5ZK7F5WEQN6FCOI2","short_pith_number":"pith:2Q5JTNKF","canonical_record":{"source":{"id":"2009.11806","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.PF","submitted_at":"2020-09-24T16:49:24Z","cross_cats_sorted":[],"title_canon_sha256":"e03edb987521fdf7fb4eb7029fe7ac103729d6a78fdf16a9414215f02c907233","abstract_canon_sha256":"4bd6422dd5b333dc59d68619c2d1d45cad4205c86da184f2cc27d98303e64808"},"schema_version":"1.0"},"canonical_sha256":"d43a99b5451dbb957cbdb120df144e46add759d784a66eb76c28a7750d8920f0","source":{"kind":"arxiv","id":"2009.11806","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.11806","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"arxiv_version","alias_value":"2009.11806v1","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.11806","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_12","alias_value":"2Q5JTNKFDW5Z","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_16","alias_value":"2Q5JTNKFDW5ZK7F5","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_8","alias_value":"2Q5JTNKF","created_at":"2026-07-05T01:37:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:2Q5JTNKFDW5ZK7F5WEQN6FCOI2","target":"record","payload":{"canonical_record":{"source":{"id":"2009.11806","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.PF","submitted_at":"2020-09-24T16:49:24Z","cross_cats_sorted":[],"title_canon_sha256":"e03edb987521fdf7fb4eb7029fe7ac103729d6a78fdf16a9414215f02c907233","abstract_canon_sha256":"4bd6422dd5b333dc59d68619c2d1d45cad4205c86da184f2cc27d98303e64808"},"schema_version":"1.0"},"canonical_sha256":"d43a99b5451dbb957cbdb120df144e46add759d784a66eb76c28a7750d8920f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:37:49.925701Z","signature_b64":"UWCriZi4xZQfr48qSib/BLOyuSb/cdgE8a1ux3C4kZ/mLaWj0GimuO4CWWUi+KSnT6c8kqWC/uJ2Q6XlzSDUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d43a99b5451dbb957cbdb120df144e46add759d784a66eb76c28a7750d8920f0","last_reissued_at":"2026-07-05T01:37:49.925326Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:37:49.925326Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.11806","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":"2026-07-05T01:37:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hX8Axu6wN0s/JQ82TlRYt8giOw1xFMFcMUsPBYia8SkfwW/ppH4QNL85tEFsBEA4040m9aTmccUnv3wm1OBQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T12:41:11.209403Z"},"content_sha256":"da14a5663f615fb9eb74a8065750f7d7e0703c29f91cacbea3932c0430238429","schema_version":"1.0","event_id":"sha256:da14a5663f615fb9eb74a8065750f7d7e0703c29f91cacbea3932c0430238429"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:2Q5JTNKFDW5ZK7F5WEQN6FCOI2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating Applications on the A64FX","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.PF","authors_text":"Adrian Jackson, Andrew Turner, Mark Parsons, Mich\\`ele Weiland, Nick Brown","submitted_at":"2020-09-24T16:49:24Z","abstract_excerpt":"The A64FX processor from Fujitsu, being designed for computational simulation and machine learning applications, has the potential for unprecedented performance in HPC systems. In this paper, we evaluate the A64FX by benchmarking against a range of production HPC platforms that cover a number of processor technologies. We investigate the performance of complex scientific applications across multiple nodes, as well as single node and mini-kernel benchmarks. This paper finds that the performance of the A64FX processor across our chosen benchmarks often significantly exceeds other platforms, even"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.11806","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/2009.11806/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":"2026-07-05T01:37:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZveVWmn3W1LFiKai/3F2E9l7pN/CKxbfFTKOcJa6+6MCUgv1foTPthPYH5W5/vrUX5x4K9nfzsjG63jxTVgoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T12:41:11.209956Z"},"content_sha256":"e1141395a7f79a915d7337e6c2e7f1966936a921e0ce947f068f776214aaae1d","schema_version":"1.0","event_id":"sha256:e1141395a7f79a915d7337e6c2e7f1966936a921e0ce947f068f776214aaae1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/bundle.json","state_url":"https://pith.science/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/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":"2026-08-19T12:41:11Z","links":{"resolver":"https://pith.science/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2","bundle":"https://pith.science/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/bundle.json","state":"https://pith.science/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2Q5JTNKFDW5ZK7F5WEQN6FCOI2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:2Q5JTNKFDW5ZK7F5WEQN6FCOI2","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":"4bd6422dd5b333dc59d68619c2d1d45cad4205c86da184f2cc27d98303e64808","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.PF","submitted_at":"2020-09-24T16:49:24Z","title_canon_sha256":"e03edb987521fdf7fb4eb7029fe7ac103729d6a78fdf16a9414215f02c907233"},"schema_version":"1.0","source":{"id":"2009.11806","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.11806","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"arxiv_version","alias_value":"2009.11806v1","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.11806","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_12","alias_value":"2Q5JTNKFDW5Z","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_16","alias_value":"2Q5JTNKFDW5ZK7F5","created_at":"2026-07-05T01:37:49Z"},{"alias_kind":"pith_short_8","alias_value":"2Q5JTNKF","created_at":"2026-07-05T01:37:49Z"}],"graph_snapshots":[{"event_id":"sha256:e1141395a7f79a915d7337e6c2e7f1966936a921e0ce947f068f776214aaae1d","target":"graph","created_at":"2026-07-05T01:37:49Z","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/2009.11806/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The A64FX processor from Fujitsu, being designed for computational simulation and machine learning applications, has the potential for unprecedented performance in HPC systems. In this paper, we evaluate the A64FX by benchmarking against a range of production HPC platforms that cover a number of processor technologies. We investigate the performance of complex scientific applications across multiple nodes, as well as single node and mini-kernel benchmarks. This paper finds that the performance of the A64FX processor across our chosen benchmarks often significantly exceeds other platforms, even","authors_text":"Adrian Jackson, Andrew Turner, Mark Parsons, Mich\\`ele Weiland, Nick Brown","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.PF","submitted_at":"2020-09-24T16:49:24Z","title":"Investigating Applications on the A64FX"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.11806","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:da14a5663f615fb9eb74a8065750f7d7e0703c29f91cacbea3932c0430238429","target":"record","created_at":"2026-07-05T01:37:49Z","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":"4bd6422dd5b333dc59d68619c2d1d45cad4205c86da184f2cc27d98303e64808","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.PF","submitted_at":"2020-09-24T16:49:24Z","title_canon_sha256":"e03edb987521fdf7fb4eb7029fe7ac103729d6a78fdf16a9414215f02c907233"},"schema_version":"1.0","source":{"id":"2009.11806","kind":"arxiv","version":1}},"canonical_sha256":"d43a99b5451dbb957cbdb120df144e46add759d784a66eb76c28a7750d8920f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d43a99b5451dbb957cbdb120df144e46add759d784a66eb76c28a7750d8920f0","first_computed_at":"2026-07-05T01:37:49.925326Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:37:49.925326Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UWCriZi4xZQfr48qSib/BLOyuSb/cdgE8a1ux3C4kZ/mLaWj0GimuO4CWWUi+KSnT6c8kqWC/uJ2Q6XlzSDUCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:37:49.925701Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.11806","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da14a5663f615fb9eb74a8065750f7d7e0703c29f91cacbea3932c0430238429","sha256:e1141395a7f79a915d7337e6c2e7f1966936a921e0ce947f068f776214aaae1d"],"state_sha256":"c15f3d00faeb8c85b73abb97615ee76b5a17d56e099846489d38ff00cb3b6225"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iI7+B8o5o6qt3eKXb97M1oWtdbTqfsOATZ3VG5ZauthzzFUkRtUQNQsedziDppHSnJzBJA0H56y+/D/Dn00YDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T12:41:11.213430Z","bundle_sha256":"aa462dfbdc345bbaaca520ae6451590120f296618017ee2a0bd9269083ba6726"}}