{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:NZHBSHSIA7PHDCYHPFKR5UAWA2","short_pith_number":"pith:NZHBSHSI","canonical_record":{"source":{"id":"1804.07682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-20T15:42:21Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"79fe1609bab36a36c6c81cdf8751abce79892b1f895e1c3299c131bc04de877e","abstract_canon_sha256":"4407c7cf0c23ac962f2baa7c1ae15b3f0478fe8a09037d1d3015a9d3174c3735"},"schema_version":"1.0"},"canonical_sha256":"6e4e191e4807de718b0779551ed01606a5b62ff922d50d6310bcf3276663d9f2","source":{"kind":"arxiv","id":"1804.07682","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07682","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07682v1","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07682","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"NZHBSHSIA7PH","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NZHBSHSIA7PHDCYH","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NZHBSHSI","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:NZHBSHSIA7PHDCYHPFKR5UAWA2","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-20T15:42:21Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"79fe1609bab36a36c6c81cdf8751abce79892b1f895e1c3299c131bc04de877e","abstract_canon_sha256":"4407c7cf0c23ac962f2baa7c1ae15b3f0478fe8a09037d1d3015a9d3174c3735"},"schema_version":"1.0"},"canonical_sha256":"6e4e191e4807de718b0779551ed01606a5b62ff922d50d6310bcf3276663d9f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:58.073415Z","signature_b64":"YLgdRO/bl+y+I14+5pqcW+mZtnkwluC17mYXVMdEDb0+L+b7oL+CDg9Dv77WLRUOrbsvM/Lt0B+Jy9XelwvpBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e4e191e4807de718b0779551ed01606a5b62ff922d50d6310bcf3276663d9f2","last_reissued_at":"2026-05-18T00:17:58.072871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:58.072871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07682","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":"2026-05-18T00:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r+3FQ8Mqqac+jQ+1SC7BoaIl/vbmZrueT/lhS46W1R0FZsQiXT10j+zVsu9yWU/CwTgzXjUiEfTDmDn1Euh0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:34:07.776915Z"},"content_sha256":"db4e6c658fb6bec45fb99a40aae7f91793a8db3e7b783178046a0c5a1f7511b0","schema_version":"1.0","event_id":"sha256:db4e6c658fb6bec45fb99a40aae7f91793a8db3e7b783178046a0c5a1f7511b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:NZHBSHSIA7PHDCYHPFKR5UAWA2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CUDA Support in GNA Data Analysis Framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE"],"primary_cat":"cs.DC","authors_text":"Anna Fatkina, Dmitry Naumov, Konstantin Treskov, Liudmila Kolupaeva, Maxim Gonchar","submitted_at":"2018-04-20T15:42:21Z","abstract_excerpt":"Usage of GPUs as co-processors is a well-established approach to accelerate costly algorithms operating on matrices and vectors.\n  We aim to further improve the performance of the Global Neutrino Analysis framework (GNA) by adding GPU support in a way that is transparent to the end user. To achieve our goal we use CUDA, a state of the art technology providing GPGPU programming methods.\n  In this paper we describe new features of GNA related to CUDA support. Some specific framework features that influence GPGPU integration are also explained. The paper investigates the feasibility of GPU techno"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07682","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":"2026-05-18T00:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Xow9BVhKh+726J7GRaX8jJTVMSk4JoS1SdrHsfEe6DXstV+uZmlvW9iUmeNWmziUg2T6Ol86lXnO6gV6Xo5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:34:07.777637Z"},"content_sha256":"42fa52013da2d7a7bce80f9a2d101f2b02c8592cd186edf9c96341089dc7dd78","schema_version":"1.0","event_id":"sha256:42fa52013da2d7a7bce80f9a2d101f2b02c8592cd186edf9c96341089dc7dd78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/bundle.json","state_url":"https://pith.science/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/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":"2026-05-25T23:34:07Z","links":{"resolver":"https://pith.science/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2","bundle":"https://pith.science/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/bundle.json","state":"https://pith.science/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NZHBSHSIA7PHDCYHPFKR5UAWA2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NZHBSHSIA7PHDCYHPFKR5UAWA2","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":"4407c7cf0c23ac962f2baa7c1ae15b3f0478fe8a09037d1d3015a9d3174c3735","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-20T15:42:21Z","title_canon_sha256":"79fe1609bab36a36c6c81cdf8751abce79892b1f895e1c3299c131bc04de877e"},"schema_version":"1.0","source":{"id":"1804.07682","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07682","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07682v1","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07682","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"NZHBSHSIA7PH","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NZHBSHSIA7PHDCYH","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NZHBSHSI","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:42fa52013da2d7a7bce80f9a2d101f2b02c8592cd186edf9c96341089dc7dd78","target":"graph","created_at":"2026-05-18T00:17:58Z","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":"Usage of GPUs as co-processors is a well-established approach to accelerate costly algorithms operating on matrices and vectors.\n  We aim to further improve the performance of the Global Neutrino Analysis framework (GNA) by adding GPU support in a way that is transparent to the end user. To achieve our goal we use CUDA, a state of the art technology providing GPGPU programming methods.\n  In this paper we describe new features of GNA related to CUDA support. Some specific framework features that influence GPGPU integration are also explained. The paper investigates the feasibility of GPU techno","authors_text":"Anna Fatkina, Dmitry Naumov, Konstantin Treskov, Liudmila Kolupaeva, Maxim Gonchar","cross_cats":["cs.CE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-20T15:42:21Z","title":"CUDA Support in GNA Data Analysis Framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07682","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:db4e6c658fb6bec45fb99a40aae7f91793a8db3e7b783178046a0c5a1f7511b0","target":"record","created_at":"2026-05-18T00:17:58Z","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":"4407c7cf0c23ac962f2baa7c1ae15b3f0478fe8a09037d1d3015a9d3174c3735","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-20T15:42:21Z","title_canon_sha256":"79fe1609bab36a36c6c81cdf8751abce79892b1f895e1c3299c131bc04de877e"},"schema_version":"1.0","source":{"id":"1804.07682","kind":"arxiv","version":1}},"canonical_sha256":"6e4e191e4807de718b0779551ed01606a5b62ff922d50d6310bcf3276663d9f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e4e191e4807de718b0779551ed01606a5b62ff922d50d6310bcf3276663d9f2","first_computed_at":"2026-05-18T00:17:58.072871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:58.072871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YLgdRO/bl+y+I14+5pqcW+mZtnkwluC17mYXVMdEDb0+L+b7oL+CDg9Dv77WLRUOrbsvM/Lt0B+Jy9XelwvpBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:58.073415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07682","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db4e6c658fb6bec45fb99a40aae7f91793a8db3e7b783178046a0c5a1f7511b0","sha256:42fa52013da2d7a7bce80f9a2d101f2b02c8592cd186edf9c96341089dc7dd78"],"state_sha256":"65c2443ce4f847ba42ebc3a6374d5352b778962356a6ff4b2d4ff856c35769ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u7ygQ1QbGTyGjB7iVLlcjXIq45KQHJbl8Odo9gu4KnC1Jw93pzcmtbcwxVqiNf4w1tcZaMUGx+o4YcqZZYDzAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:34:07.781421Z","bundle_sha256":"00f18ad3cf5d719d3efb40d307a3bf69a4f167e326fc53d46514cea63fcbd728"}}