{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HCUGWWAQZUGAH6D662GTNMFOPK","short_pith_number":"pith:HCUGWWAQ","canonical_record":{"source":{"id":"1903.03023","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.DC","submitted_at":"2019-03-07T16:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"9d7a4218e8bd354815b3d464f60ad7bda6d392a08b3e3218177ddf76295dd8d8","abstract_canon_sha256":"2a7c162ac1b5652e23233dc51179acac830a609e65561d07d42b199a4c5e7250"},"schema_version":"1.0"},"canonical_sha256":"38a86b5810cd0c03f87ef68d36b0ae7a96009ef346b771aa23d64b8a1ba41c0a","source":{"kind":"arxiv","id":"1903.03023","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.03023","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.03023v3","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.03023","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"pith_short_12","alias_value":"HCUGWWAQZUGA","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HCUGWWAQZUGAH6D6","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HCUGWWAQ","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HCUGWWAQZUGAH6D662GTNMFOPK","target":"record","payload":{"canonical_record":{"source":{"id":"1903.03023","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.DC","submitted_at":"2019-03-07T16:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"9d7a4218e8bd354815b3d464f60ad7bda6d392a08b3e3218177ddf76295dd8d8","abstract_canon_sha256":"2a7c162ac1b5652e23233dc51179acac830a609e65561d07d42b199a4c5e7250"},"schema_version":"1.0"},"canonical_sha256":"38a86b5810cd0c03f87ef68d36b0ae7a96009ef346b771aa23d64b8a1ba41c0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:21.748894Z","signature_b64":"RHetWzrd688fHYEAVZt2nbA1GWKO2y6mssLFw2K9qsxh24m3muvMFTuFhKBWP+iX/3y2X60S5ruipyuwE9onDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38a86b5810cd0c03f87ef68d36b0ae7a96009ef346b771aa23d64b8a1ba41c0a","last_reissued_at":"2026-05-17T23:41:21.748064Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:21.748064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.03023","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:41:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"50x462Qy3COqxdl0YLD4G+yrHJHlLoHY2mW4Koa8wLKIopFP0YC7DAVmAuaytHNk2IV2dQb2cieFoGZdvlwUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:56:53.963800Z"},"content_sha256":"c011592feeab21843cfb2222d81a456a2200684e41da450a34491db69dbb2bf9","schema_version":"1.0","event_id":"sha256:c011592feeab21843cfb2222d81a456a2200684e41da450a34491db69dbb2bf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HCUGWWAQZUGAH6D662GTNMFOPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Introduction to hpxMP: A Modern OpenMP Implementation Leveraging HPX, An Asynchronous Many-Task System","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Hartmut Kaiser, Patrick Diehl, R. Tohid, Shahrzad Shirzad, Tianyi Zhang, Weile Wei","submitted_at":"2019-03-07T16:22:02Z","abstract_excerpt":"Asynchronous Many-task (AMT) runtime systems have gained increasing acceptance in the HPC community due to the performance improvements offered by fine-grained tasking runtime systems. At the same time, C++ standardization efforts are focused on creating higher-level interfaces able to replace OpenMP or OpenACC in modern C++ codes. These higher level functions have been adopted in standards conforming runtime systems such as HPX, giving users the ability to simply utilize fork-join parallelism in their own codes. Despite innovations in runtime systems and standardization efforts users face eno"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.03023","kind":"arxiv","version":3},"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":"2026-05-17T23:41:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zErwubfyP/sr9oYWES1HDjxDcyTWqbjTj2/dqITu6pQYGYo4gpDHmuf4mfkMve71hhwVloDrV49qtMAamlz8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:56:53.964149Z"},"content_sha256":"5bf1f73db74c20c8fbf4e910fab326609ad90ddcfc1429a01dfafea55219e26f","schema_version":"1.0","event_id":"sha256:5bf1f73db74c20c8fbf4e910fab326609ad90ddcfc1429a01dfafea55219e26f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HCUGWWAQZUGAH6D662GTNMFOPK/bundle.json","state_url":"https://pith.science/pith/HCUGWWAQZUGAH6D662GTNMFOPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HCUGWWAQZUGAH6D662GTNMFOPK/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":"2026-05-19T09:56:53Z","links":{"resolver":"https://pith.science/pith/HCUGWWAQZUGAH6D662GTNMFOPK","bundle":"https://pith.science/pith/HCUGWWAQZUGAH6D662GTNMFOPK/bundle.json","state":"https://pith.science/pith/HCUGWWAQZUGAH6D662GTNMFOPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HCUGWWAQZUGAH6D662GTNMFOPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HCUGWWAQZUGAH6D662GTNMFOPK","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":"2a7c162ac1b5652e23233dc51179acac830a609e65561d07d42b199a4c5e7250","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.DC","submitted_at":"2019-03-07T16:22:02Z","title_canon_sha256":"9d7a4218e8bd354815b3d464f60ad7bda6d392a08b3e3218177ddf76295dd8d8"},"schema_version":"1.0","source":{"id":"1903.03023","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.03023","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"arxiv_version","alias_value":"1903.03023v3","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.03023","created_at":"2026-05-17T23:41:21Z"},{"alias_kind":"pith_short_12","alias_value":"HCUGWWAQZUGA","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HCUGWWAQZUGAH6D6","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HCUGWWAQ","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:5bf1f73db74c20c8fbf4e910fab326609ad90ddcfc1429a01dfafea55219e26f","target":"graph","created_at":"2026-05-17T23:41:21Z","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":"Asynchronous Many-task (AMT) runtime systems have gained increasing acceptance in the HPC community due to the performance improvements offered by fine-grained tasking runtime systems. At the same time, C++ standardization efforts are focused on creating higher-level interfaces able to replace OpenMP or OpenACC in modern C++ codes. These higher level functions have been adopted in standards conforming runtime systems such as HPX, giving users the ability to simply utilize fork-join parallelism in their own codes. Despite innovations in runtime systems and standardization efforts users face eno","authors_text":"Hartmut Kaiser, Patrick Diehl, R. Tohid, Shahrzad Shirzad, Tianyi Zhang, Weile Wei","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.DC","submitted_at":"2019-03-07T16:22:02Z","title":"An Introduction to hpxMP: A Modern OpenMP Implementation Leveraging HPX, An Asynchronous Many-Task System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.03023","kind":"arxiv","version":3},"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:c011592feeab21843cfb2222d81a456a2200684e41da450a34491db69dbb2bf9","target":"record","created_at":"2026-05-17T23:41:21Z","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":"2a7c162ac1b5652e23233dc51179acac830a609e65561d07d42b199a4c5e7250","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.DC","submitted_at":"2019-03-07T16:22:02Z","title_canon_sha256":"9d7a4218e8bd354815b3d464f60ad7bda6d392a08b3e3218177ddf76295dd8d8"},"schema_version":"1.0","source":{"id":"1903.03023","kind":"arxiv","version":3}},"canonical_sha256":"38a86b5810cd0c03f87ef68d36b0ae7a96009ef346b771aa23d64b8a1ba41c0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38a86b5810cd0c03f87ef68d36b0ae7a96009ef346b771aa23d64b8a1ba41c0a","first_computed_at":"2026-05-17T23:41:21.748064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:21.748064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RHetWzrd688fHYEAVZt2nbA1GWKO2y6mssLFw2K9qsxh24m3muvMFTuFhKBWP+iX/3y2X60S5ruipyuwE9onDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:21.748894Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.03023","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c011592feeab21843cfb2222d81a456a2200684e41da450a34491db69dbb2bf9","sha256:5bf1f73db74c20c8fbf4e910fab326609ad90ddcfc1429a01dfafea55219e26f"],"state_sha256":"0ee21e6a8cff22b5d7529aec4ada8135b5afa8ae422ed633a2ab19fddc48b798"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vWZMgrM6b+HQblDg4LcE+06kHAxv1ngpi/YDKvtrnwFpzyDmbzIMuUf7kvoMlETv8FgADNsgoKxLoQGPrOSZBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:56:53.965944Z","bundle_sha256":"40d7a95265919540ab8ef811c12dc26d61eb1e635551270147bfa06e3043871a"}}