{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MRQGCAQQNUHPG2GW3ILHGCDHHF","short_pith_number":"pith:MRQGCAQQ","canonical_record":{"source":{"id":"1602.00602","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2016-02-01T17:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"fdf0170cc7f6b19cec00593ff4605af391e7c6d1ea64d06705d496f9a0843c51","abstract_canon_sha256":"55349f0e1079d20ecc625c2d108dfa80cddcb9dbe977aa7dfad87d5ad457e64b"},"schema_version":"1.0"},"canonical_sha256":"64606102106d0ef368d6da16730867395e7405a13f6bcd6dfa3a93a8c6349307","source":{"kind":"arxiv","id":"1602.00602","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00602","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00602v6","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00602","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"pith_short_12","alias_value":"MRQGCAQQNUHP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MRQGCAQQNUHPG2GW","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MRQGCAQQ","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MRQGCAQQNUHPG2GW3ILHGCDHHF","target":"record","payload":{"canonical_record":{"source":{"id":"1602.00602","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2016-02-01T17:27:06Z","cross_cats_sorted":[],"title_canon_sha256":"fdf0170cc7f6b19cec00593ff4605af391e7c6d1ea64d06705d496f9a0843c51","abstract_canon_sha256":"55349f0e1079d20ecc625c2d108dfa80cddcb9dbe977aa7dfad87d5ad457e64b"},"schema_version":"1.0"},"canonical_sha256":"64606102106d0ef368d6da16730867395e7405a13f6bcd6dfa3a93a8c6349307","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:00.615138Z","signature_b64":"qt8Zl8Rgt2kguq+e8wPQ1/l+xo9ZcCTS9o5s6YknfdtFuLFDiIE4L9WVewuFqQW5N7GO8IkUqqdzheK2CuCtAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64606102106d0ef368d6da16730867395e7405a13f6bcd6dfa3a93a8c6349307","last_reissued_at":"2026-05-18T00:18:00.614389Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:00.614389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.00602","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:18:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vmB2PAbNTqkwn38EYKoCQNsDOkkYTUE3UdHelpdSvlWvW8s3FTOSGfyz0sLNzL0lijw7j0u8sQF+mLoWxkiACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:59:00.282807Z"},"content_sha256":"dc9c90d04cbe65dc80135803c850360ce5e30ad6aa52ab1e672d610aa8ef766f","schema_version":"1.0","event_id":"sha256:dc9c90d04cbe65dc80135803c850360ce5e30ad6aa52ab1e672d610aa8ef766f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MRQGCAQQNUHPG2GW3ILHGCDHHF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Virtual Machine Warmup Blows Hot and Cold","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.PL","authors_text":"Carl Friedrich Bolz-Tereick, Edd Barrett, Laurence Tratt, Rebecca Killick, Sarah Mount","submitted_at":"2016-02-01T17:27:06Z","abstract_excerpt":"Virtual Machines (VMs) with Just-In-Time (JIT) compilers are traditionally thought to execute programs in two phases: the initial warmup phase determines which parts of a program would most benefit from dynamic compilation, before JIT compiling those parts into machine code; subsequently the program is said to be at a steady state of peak performance. Measurement methodologies almost always discard data collected during the warmup phase such that reported measurements focus entirely on peak performance. We introduce a fully automated statistical approach, based on changepoint analysis, which a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00602","kind":"arxiv","version":6},"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":"2026-05-18T00:18:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ob4pjedDYvTTkcJnF4m7Dmwb4SVGp+dcsHAbHSyKxDfQ3vAcMuEmb82i+j/LXlksm8625aqpoWlrWn+sXdkVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T01:59:00.283394Z"},"content_sha256":"a963c65624a8fc0a5d1664d72f0a2a1ba985f978a699f1c550ab3880ff318921","schema_version":"1.0","event_id":"sha256:a963c65624a8fc0a5d1664d72f0a2a1ba985f978a699f1c550ab3880ff318921"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/bundle.json","state_url":"https://pith.science/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/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":"2026-06-05T01:59:00Z","links":{"resolver":"https://pith.science/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF","bundle":"https://pith.science/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/bundle.json","state":"https://pith.science/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MRQGCAQQNUHPG2GW3ILHGCDHHF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MRQGCAQQNUHPG2GW3ILHGCDHHF","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":"55349f0e1079d20ecc625c2d108dfa80cddcb9dbe977aa7dfad87d5ad457e64b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2016-02-01T17:27:06Z","title_canon_sha256":"fdf0170cc7f6b19cec00593ff4605af391e7c6d1ea64d06705d496f9a0843c51"},"schema_version":"1.0","source":{"id":"1602.00602","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00602","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00602v6","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00602","created_at":"2026-05-18T00:18:00Z"},{"alias_kind":"pith_short_12","alias_value":"MRQGCAQQNUHP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MRQGCAQQNUHPG2GW","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MRQGCAQQ","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:a963c65624a8fc0a5d1664d72f0a2a1ba985f978a699f1c550ab3880ff318921","target":"graph","created_at":"2026-05-18T00:18:00Z","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":"Virtual Machines (VMs) with Just-In-Time (JIT) compilers are traditionally thought to execute programs in two phases: the initial warmup phase determines which parts of a program would most benefit from dynamic compilation, before JIT compiling those parts into machine code; subsequently the program is said to be at a steady state of peak performance. Measurement methodologies almost always discard data collected during the warmup phase such that reported measurements focus entirely on peak performance. We introduce a fully automated statistical approach, based on changepoint analysis, which a","authors_text":"Carl Friedrich Bolz-Tereick, Edd Barrett, Laurence Tratt, Rebecca Killick, Sarah Mount","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2016-02-01T17:27:06Z","title":"Virtual Machine Warmup Blows Hot and Cold"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00602","kind":"arxiv","version":6},"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:dc9c90d04cbe65dc80135803c850360ce5e30ad6aa52ab1e672d610aa8ef766f","target":"record","created_at":"2026-05-18T00:18:00Z","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":"55349f0e1079d20ecc625c2d108dfa80cddcb9dbe977aa7dfad87d5ad457e64b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2016-02-01T17:27:06Z","title_canon_sha256":"fdf0170cc7f6b19cec00593ff4605af391e7c6d1ea64d06705d496f9a0843c51"},"schema_version":"1.0","source":{"id":"1602.00602","kind":"arxiv","version":6}},"canonical_sha256":"64606102106d0ef368d6da16730867395e7405a13f6bcd6dfa3a93a8c6349307","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64606102106d0ef368d6da16730867395e7405a13f6bcd6dfa3a93a8c6349307","first_computed_at":"2026-05-18T00:18:00.614389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:00.614389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qt8Zl8Rgt2kguq+e8wPQ1/l+xo9ZcCTS9o5s6YknfdtFuLFDiIE4L9WVewuFqQW5N7GO8IkUqqdzheK2CuCtAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:00.615138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.00602","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc9c90d04cbe65dc80135803c850360ce5e30ad6aa52ab1e672d610aa8ef766f","sha256:a963c65624a8fc0a5d1664d72f0a2a1ba985f978a699f1c550ab3880ff318921"],"state_sha256":"8a8371c4625a61ee0f5b94ee2353bce65d23ce2567605c014cc841587fac9d1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A7tp7RtF+Kdc2XI3MYIY8syuW6JZKZR9QxpUz5b5+t2RoDTa6zAEzk1ArJexpi4z3CYBRzYaZuGd2oxBEqYCAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T01:59:00.286898Z","bundle_sha256":"6251215292ccaf6b3df4f53c0bda5dac901727c6044d5bbedb824f54a8c6c38e"}}