{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IVVDCHJ5C4FNXXM64FFDSSF2F2","short_pith_number":"pith:IVVDCHJ5","canonical_record":{"source":{"id":"1412.4556","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-12-15T12:03:13Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"21bc17caf814c32e5e3ff633aba7fde40ac70b61b2dfc0036035d3812b5c8871","abstract_canon_sha256":"f0754cb01b662c4d4029b690ba2f7ab42708bea67b229577d973c8dc4ee32e8b"},"schema_version":"1.0"},"canonical_sha256":"456a311d3d170adbdd9ee14a3948ba2e8e9684ebf598750479123cf7c2b7ec8f","source":{"kind":"arxiv","id":"1412.4556","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4556","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4556v1","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4556","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"pith_short_12","alias_value":"IVVDCHJ5C4FN","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IVVDCHJ5C4FNXXM6","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IVVDCHJ5","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IVVDCHJ5C4FNXXM64FFDSSF2F2","target":"record","payload":{"canonical_record":{"source":{"id":"1412.4556","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-12-15T12:03:13Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"21bc17caf814c32e5e3ff633aba7fde40ac70b61b2dfc0036035d3812b5c8871","abstract_canon_sha256":"f0754cb01b662c4d4029b690ba2f7ab42708bea67b229577d973c8dc4ee32e8b"},"schema_version":"1.0"},"canonical_sha256":"456a311d3d170adbdd9ee14a3948ba2e8e9684ebf598750479123cf7c2b7ec8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:18.852866Z","signature_b64":"x2fb3PPtDaM79SKJ+jOV8ziZA70/W8XChrArKxVksiPMRgAzW0Cnnno5FofGbwY7vHr9yKPhoTqqlOQPVnf6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"456a311d3d170adbdd9ee14a3948ba2e8e9684ebf598750479123cf7c2b7ec8f","last_reissued_at":"2026-05-18T02:31:18.852339Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:18.852339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.4556","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":"2026-05-18T02:31:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WY4qCpApSDqUn5tZiiiSDp0kOIPYv8xl3zIN1aM3W0lViN4gM0twlaRpUoNpTbmCzLWM2LHLeCNbyy+r6d8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:22:03.692527Z"},"content_sha256":"00baf0cb68c46ed8a606090cc1282a8da92d267891d62479f187b29b5d21bbd1","schema_version":"1.0","event_id":"sha256:00baf0cb68c46ed8a606090cc1282a8da92d267891d62479f187b29b5d21bbd1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IVVDCHJ5C4FNXXM64FFDSSF2F2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Are Clouds Ready to Accelerate Ad hoc Financial Simulations?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE"],"primary_cat":"cs.DC","authors_text":"Adam Barker, Blesson Varghese","submitted_at":"2014-12-15T12:03:13Z","abstract_excerpt":"Applications employed in the financial services industry to capture and estimate a variety of risk metrics are underpinned by stochastic simulations which are data, memory and computationally intensive. Many of these simulations are routinely performed on production-based computing systems. Ad hoc simulations in addition to routine simulations are required to obtain up-to-date views of risk metrics. Such simulations are currently not performed as they cannot be accommodated on production clusters, which are typically over committed resources. Scalable, on-demand and pay-as-you go Virtual Machi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4556","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":"2026-05-18T02:31:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V5RrCEPmluQcl64nkab7d4sNE3WxsbKPJftkvTKYsmSIonj7ECmXlmb1PThiWKBQycNyG19J/+BqasHOzEgwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:22:03.692875Z"},"content_sha256":"304e5693e522c1f2b218be18b44551bf2f676cacf86e6f05a58f4951358f8c29","schema_version":"1.0","event_id":"sha256:304e5693e522c1f2b218be18b44551bf2f676cacf86e6f05a58f4951358f8c29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/bundle.json","state_url":"https://pith.science/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/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":"2026-06-03T13:22:03Z","links":{"resolver":"https://pith.science/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2","bundle":"https://pith.science/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/bundle.json","state":"https://pith.science/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVVDCHJ5C4FNXXM64FFDSSF2F2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IVVDCHJ5C4FNXXM64FFDSSF2F2","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":"f0754cb01b662c4d4029b690ba2f7ab42708bea67b229577d973c8dc4ee32e8b","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-12-15T12:03:13Z","title_canon_sha256":"21bc17caf814c32e5e3ff633aba7fde40ac70b61b2dfc0036035d3812b5c8871"},"schema_version":"1.0","source":{"id":"1412.4556","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4556","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4556v1","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4556","created_at":"2026-05-18T02:31:18Z"},{"alias_kind":"pith_short_12","alias_value":"IVVDCHJ5C4FN","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IVVDCHJ5C4FNXXM6","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IVVDCHJ5","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:304e5693e522c1f2b218be18b44551bf2f676cacf86e6f05a58f4951358f8c29","target":"graph","created_at":"2026-05-18T02:31:18Z","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":"Applications employed in the financial services industry to capture and estimate a variety of risk metrics are underpinned by stochastic simulations which are data, memory and computationally intensive. Many of these simulations are routinely performed on production-based computing systems. Ad hoc simulations in addition to routine simulations are required to obtain up-to-date views of risk metrics. Such simulations are currently not performed as they cannot be accommodated on production clusters, which are typically over committed resources. Scalable, on-demand and pay-as-you go Virtual Machi","authors_text":"Adam Barker, Blesson Varghese","cross_cats":["cs.CE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-12-15T12:03:13Z","title":"Are Clouds Ready to Accelerate Ad hoc Financial Simulations?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4556","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":"sha256:00baf0cb68c46ed8a606090cc1282a8da92d267891d62479f187b29b5d21bbd1","target":"record","created_at":"2026-05-18T02:31:18Z","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":"f0754cb01b662c4d4029b690ba2f7ab42708bea67b229577d973c8dc4ee32e8b","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2014-12-15T12:03:13Z","title_canon_sha256":"21bc17caf814c32e5e3ff633aba7fde40ac70b61b2dfc0036035d3812b5c8871"},"schema_version":"1.0","source":{"id":"1412.4556","kind":"arxiv","version":1}},"canonical_sha256":"456a311d3d170adbdd9ee14a3948ba2e8e9684ebf598750479123cf7c2b7ec8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"456a311d3d170adbdd9ee14a3948ba2e8e9684ebf598750479123cf7c2b7ec8f","first_computed_at":"2026-05-18T02:31:18.852339Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:18.852339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x2fb3PPtDaM79SKJ+jOV8ziZA70/W8XChrArKxVksiPMRgAzW0Cnnno5FofGbwY7vHr9yKPhoTqqlOQPVnf6Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:18.852866Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.4556","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00baf0cb68c46ed8a606090cc1282a8da92d267891d62479f187b29b5d21bbd1","sha256:304e5693e522c1f2b218be18b44551bf2f676cacf86e6f05a58f4951358f8c29"],"state_sha256":"016e18a39068467efcd72d8c53b0299941cb9debb91ffb544a6fca25a6cd9cb2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RBYWNTfoXLr6jq3sdF3o9PrZZ7zKrQ/kP1V2h4ctgOt+qyVaX5W4Yv85FHnx1spxOjgqful7yfEUpnu7UB7lAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T13:22:03.694774Z","bundle_sha256":"c740ff7c321940c4a4af59278096df6eebabb166c073ec3b622283d808339ce2"}}