{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:UQZWHIJZU5WYSJEFQFL7H636R6","short_pith_number":"pith:UQZWHIJZ","canonical_record":{"source":{"id":"1507.05467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-07-20T12:25:54Z","cross_cats_sorted":[],"title_canon_sha256":"eca511e221943480d495c096bf7bcad276660b8c82c2083da172cc221d96682c","abstract_canon_sha256":"b90cfa113d34a1e4a3d3af158412c08832df216f891146b0ef49c120e8b721ca"},"schema_version":"1.0"},"canonical_sha256":"a43363a139a76d8924858157f3fb7e8fbb96debe49fc16726721b0afd07246c8","source":{"kind":"arxiv","id":"1507.05467","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05467","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05467v1","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05467","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"UQZWHIJZU5WY","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UQZWHIJZU5WYSJEF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UQZWHIJZ","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:UQZWHIJZU5WYSJEFQFL7H636R6","target":"record","payload":{"canonical_record":{"source":{"id":"1507.05467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-07-20T12:25:54Z","cross_cats_sorted":[],"title_canon_sha256":"eca511e221943480d495c096bf7bcad276660b8c82c2083da172cc221d96682c","abstract_canon_sha256":"b90cfa113d34a1e4a3d3af158412c08832df216f891146b0ef49c120e8b721ca"},"schema_version":"1.0"},"canonical_sha256":"a43363a139a76d8924858157f3fb7e8fbb96debe49fc16726721b0afd07246c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:58.018310Z","signature_b64":"Bk0Q3E1khq7wYer0YRHD7p0oToXFUTrjpF9NG+5pE5wL5Ntzmgk7uhBo3SpPw4dD4cfC6efc0ZZ1ch4yw4ASBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a43363a139a76d8924858157f3fb7e8fbb96debe49fc16726721b0afd07246c8","last_reissued_at":"2026-05-18T00:58:58.017789Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:58.017789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.05467","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":"2026-05-18T00:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g4fXnOsDWlHEUW31b+RReL24f3mjHEA465Z4GUsw7nSWKVVXzTj9hJZzfbw4g2TVTuwSLnmgRdsP7t1H7WXiDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:38:21.770931Z"},"content_sha256":"7a870dc7a7f1ff6be52c3151b6e9386f128774d4f2e60f0ceffe1265d385db04","schema_version":"1.0","event_id":"sha256:7a870dc7a7f1ff6be52c3151b6e9386f128774d4f2e60f0ceffe1265d385db04"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:UQZWHIJZU5WYSJEFQFL7H636R6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Budget Constrained Execution of Multiple Bag-of-Tasks Applications on the Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Adam Barker, Blesson Varghese, Long Thai","submitted_at":"2015-07-20T12:25:54Z","abstract_excerpt":"Optimising the execution of Bag-of-Tasks (BoT) applications on the cloud is a hard problem due to the trade- offs between performance and monetary cost. The problem can be further complicated when multiple BoT applications need to be executed. In this paper, we propose and implement a heuristic algorithm that schedules tasks of multiple applications onto different cloud virtual machines in order to maximise performance while satisfying a given budget constraint. Current approaches are limited in task scheduling since they place a limit on the number of cloud resources that can be employed by t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05467","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":"2026-05-18T00:58:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dYYnO/yTZXc4qI5tKdaW7Vwt2k+tUJompE6P4vcrIIkwZ0BzYg6oAh6BR6RCvw6oyN067P0O8MUqlenSpMuVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:38:21.771270Z"},"content_sha256":"a786fbab78822ddf0a660f519bcfe2b34fea964e36d4124888f93872d2610c77","schema_version":"1.0","event_id":"sha256:a786fbab78822ddf0a660f519bcfe2b34fea964e36d4124888f93872d2610c77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQZWHIJZU5WYSJEFQFL7H636R6/bundle.json","state_url":"https://pith.science/pith/UQZWHIJZU5WYSJEFQFL7H636R6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQZWHIJZU5WYSJEFQFL7H636R6/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":"2026-06-03T19:38:21Z","links":{"resolver":"https://pith.science/pith/UQZWHIJZU5WYSJEFQFL7H636R6","bundle":"https://pith.science/pith/UQZWHIJZU5WYSJEFQFL7H636R6/bundle.json","state":"https://pith.science/pith/UQZWHIJZU5WYSJEFQFL7H636R6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQZWHIJZU5WYSJEFQFL7H636R6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UQZWHIJZU5WYSJEFQFL7H636R6","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":"b90cfa113d34a1e4a3d3af158412c08832df216f891146b0ef49c120e8b721ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-07-20T12:25:54Z","title_canon_sha256":"eca511e221943480d495c096bf7bcad276660b8c82c2083da172cc221d96682c"},"schema_version":"1.0","source":{"id":"1507.05467","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05467","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05467v1","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05467","created_at":"2026-05-18T00:58:58Z"},{"alias_kind":"pith_short_12","alias_value":"UQZWHIJZU5WY","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UQZWHIJZU5WYSJEF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UQZWHIJZ","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:a786fbab78822ddf0a660f519bcfe2b34fea964e36d4124888f93872d2610c77","target":"graph","created_at":"2026-05-18T00:58:58Z","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":"Optimising the execution of Bag-of-Tasks (BoT) applications on the cloud is a hard problem due to the trade- offs between performance and monetary cost. The problem can be further complicated when multiple BoT applications need to be executed. In this paper, we propose and implement a heuristic algorithm that schedules tasks of multiple applications onto different cloud virtual machines in order to maximise performance while satisfying a given budget constraint. Current approaches are limited in task scheduling since they place a limit on the number of cloud resources that can be employed by t","authors_text":"Adam Barker, Blesson Varghese, Long Thai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-07-20T12:25:54Z","title":"Budget Constrained Execution of Multiple Bag-of-Tasks Applications on the Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05467","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":"sha256:7a870dc7a7f1ff6be52c3151b6e9386f128774d4f2e60f0ceffe1265d385db04","target":"record","created_at":"2026-05-18T00:58:58Z","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":"b90cfa113d34a1e4a3d3af158412c08832df216f891146b0ef49c120e8b721ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2015-07-20T12:25:54Z","title_canon_sha256":"eca511e221943480d495c096bf7bcad276660b8c82c2083da172cc221d96682c"},"schema_version":"1.0","source":{"id":"1507.05467","kind":"arxiv","version":1}},"canonical_sha256":"a43363a139a76d8924858157f3fb7e8fbb96debe49fc16726721b0afd07246c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a43363a139a76d8924858157f3fb7e8fbb96debe49fc16726721b0afd07246c8","first_computed_at":"2026-05-18T00:58:58.017789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:58.017789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Bk0Q3E1khq7wYer0YRHD7p0oToXFUTrjpF9NG+5pE5wL5Ntzmgk7uhBo3SpPw4dD4cfC6efc0ZZ1ch4yw4ASBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:58.018310Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.05467","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a870dc7a7f1ff6be52c3151b6e9386f128774d4f2e60f0ceffe1265d385db04","sha256:a786fbab78822ddf0a660f519bcfe2b34fea964e36d4124888f93872d2610c77"],"state_sha256":"415284c341e7ef5908b611c597561df08c168bfc04db32d8580986566c765170"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHpj8TBVAEfBm+yhrVRg+BfGt3KT28rgzVI5gJbcICLFyC3PfpFqvOW9GbsTcuhpV3mBcoirpJKbvh8M7e6EBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:38:21.773189Z","bundle_sha256":"a35db7dca393bb14bab1022fc064ff2b84bae15b8755e1c121fc388c320ff0e5"}}