{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BHXOE5MAFVEK5WAHP6G3UOKEZC","short_pith_number":"pith:BHXOE5MA","canonical_record":{"source":{"id":"2008.02223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-08-05T16:45:23Z","cross_cats_sorted":[],"title_canon_sha256":"529812d44c005f777a01bf0c7ee7bef4a68e4487d4e8642afd324b38c2b17c7f","abstract_canon_sha256":"f5fa3584ea769ece849868ca0b98b06b5c9b1dbcbc239283acb7ab99aea3be6b"},"schema_version":"1.0"},"canonical_sha256":"09eee275802d48aed8077f8dba3944c8a82f8e417c3099f2ce40766f156c1c4b","source":{"kind":"arxiv","id":"2008.02223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.02223","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"arxiv_version","alias_value":"2008.02223v1","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.02223","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_12","alias_value":"BHXOE5MAFVEK","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_16","alias_value":"BHXOE5MAFVEK5WAH","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_8","alias_value":"BHXOE5MA","created_at":"2026-07-05T03:11:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BHXOE5MAFVEK5WAHP6G3UOKEZC","target":"record","payload":{"canonical_record":{"source":{"id":"2008.02223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-08-05T16:45:23Z","cross_cats_sorted":[],"title_canon_sha256":"529812d44c005f777a01bf0c7ee7bef4a68e4487d4e8642afd324b38c2b17c7f","abstract_canon_sha256":"f5fa3584ea769ece849868ca0b98b06b5c9b1dbcbc239283acb7ab99aea3be6b"},"schema_version":"1.0"},"canonical_sha256":"09eee275802d48aed8077f8dba3944c8a82f8e417c3099f2ce40766f156c1c4b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:11:55.149596Z","signature_b64":"fUrkym34yrniz98t+vm1egJWDGmK4RJFNMKrmn2QznMAPO7w/vM2UPzoxyz4BZp23ipnqbisKuPSoi3JEBwXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09eee275802d48aed8077f8dba3944c8a82f8e417c3099f2ce40766f156c1c4b","last_reissued_at":"2026-07-05T03:11:55.149150Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:11:55.149150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.02223","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":"2026-07-05T03:11:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Ei7pcJMt4rPxZ32rEK12ROAdcfuYWDf243Ufn6apUg62Ml5mhLyNatkcpBazBFp+VyzGJcPoOzAhPIXLz0FAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T12:27:11.429184Z"},"content_sha256":"a99816fdb9958be8ed10c2acf2c9b4c8a518491f06c91b4a3a194078c78af068","schema_version":"1.0","event_id":"sha256:a99816fdb9958be8ed10c2acf2c9b4c8a518491f06c91b4a3a194078c78af068"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BHXOE5MAFVEK5WAHP6G3UOKEZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Best of Both Worlds: High Performance Interactive and Batch Launching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Albert Reuther, Andrew Kirby, Andrew Prout, Anna Klein, Antonio Rosa, Bill Bergeron, Chansup Byun, Charles Yee, David Bestor, Jeremy Kepner, Julie Mullen, Lauren Milechin, Matthew Hubbell, Michael Houle, Michael Jones, Peter Michaleas, Siddharth Samsi, Vijay Gadepally, William Arcand","submitted_at":"2020-08-05T16:45:23Z","abstract_excerpt":"Rapid launch of thousands of jobs is essential for effective interactive supercomputing, big data analysis, and AI algorithm development. Achieving thousands of launches per second has required hardware to be available to receive these jobs. This paper presents a novel preemptive approach to implement spot jobs on MIT SuperCloud systems allowing the resources to be fully utilized for both long running batch jobs while still providing fast launch for interactive jobs. The new approach separates the job preemption and scheduling operations and can achieve 100 times faster performance in the sche"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.02223","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.02223/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:11:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wU0O94EoXV+Y0bLkKmPDJ5NTlHQgMAR4TcZLTINTP+UXybkMJGtjqYzsahUiYuXFjuJGd7y7XUpH3uXbvaqwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T12:27:11.430328Z"},"content_sha256":"56b491f1593b97192730de8128bbe67904efce13d67f988fb88c1c861e4321bf","schema_version":"1.0","event_id":"sha256:56b491f1593b97192730de8128bbe67904efce13d67f988fb88c1c861e4321bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/bundle.json","state_url":"https://pith.science/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/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":"2026-08-14T12:27:11Z","links":{"resolver":"https://pith.science/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC","bundle":"https://pith.science/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/bundle.json","state":"https://pith.science/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BHXOE5MAFVEK5WAHP6G3UOKEZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BHXOE5MAFVEK5WAHP6G3UOKEZC","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":"f5fa3584ea769ece849868ca0b98b06b5c9b1dbcbc239283acb7ab99aea3be6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-08-05T16:45:23Z","title_canon_sha256":"529812d44c005f777a01bf0c7ee7bef4a68e4487d4e8642afd324b38c2b17c7f"},"schema_version":"1.0","source":{"id":"2008.02223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.02223","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"arxiv_version","alias_value":"2008.02223v1","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.02223","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_12","alias_value":"BHXOE5MAFVEK","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_16","alias_value":"BHXOE5MAFVEK5WAH","created_at":"2026-07-05T03:11:55Z"},{"alias_kind":"pith_short_8","alias_value":"BHXOE5MA","created_at":"2026-07-05T03:11:55Z"}],"graph_snapshots":[{"event_id":"sha256:56b491f1593b97192730de8128bbe67904efce13d67f988fb88c1c861e4321bf","target":"graph","created_at":"2026-07-05T03:11:55Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2008.02223/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rapid launch of thousands of jobs is essential for effective interactive supercomputing, big data analysis, and AI algorithm development. Achieving thousands of launches per second has required hardware to be available to receive these jobs. This paper presents a novel preemptive approach to implement spot jobs on MIT SuperCloud systems allowing the resources to be fully utilized for both long running batch jobs while still providing fast launch for interactive jobs. The new approach separates the job preemption and scheduling operations and can achieve 100 times faster performance in the sche","authors_text":"Albert Reuther, Andrew Kirby, Andrew Prout, Anna Klein, Antonio Rosa, Bill Bergeron, Chansup Byun, Charles Yee, David Bestor, Jeremy Kepner, Julie Mullen, Lauren Milechin, Matthew Hubbell, Michael Houle, Michael Jones, Peter Michaleas, Siddharth Samsi, Vijay Gadepally, William Arcand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-08-05T16:45:23Z","title":"Best of Both Worlds: High Performance Interactive and Batch Launching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.02223","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:a99816fdb9958be8ed10c2acf2c9b4c8a518491f06c91b4a3a194078c78af068","target":"record","created_at":"2026-07-05T03:11:55Z","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":"f5fa3584ea769ece849868ca0b98b06b5c9b1dbcbc239283acb7ab99aea3be6b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-08-05T16:45:23Z","title_canon_sha256":"529812d44c005f777a01bf0c7ee7bef4a68e4487d4e8642afd324b38c2b17c7f"},"schema_version":"1.0","source":{"id":"2008.02223","kind":"arxiv","version":1}},"canonical_sha256":"09eee275802d48aed8077f8dba3944c8a82f8e417c3099f2ce40766f156c1c4b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09eee275802d48aed8077f8dba3944c8a82f8e417c3099f2ce40766f156c1c4b","first_computed_at":"2026-07-05T03:11:55.149150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:11:55.149150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fUrkym34yrniz98t+vm1egJWDGmK4RJFNMKrmn2QznMAPO7w/vM2UPzoxyz4BZp23ipnqbisKuPSoi3JEBwXAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:11:55.149596Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.02223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a99816fdb9958be8ed10c2acf2c9b4c8a518491f06c91b4a3a194078c78af068","sha256:56b491f1593b97192730de8128bbe67904efce13d67f988fb88c1c861e4321bf"],"state_sha256":"1bb2424c2c48720c1ee7c8a881d00e743db54701f94d15b1b850bee403908ab8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJTHHwtjYaz5XrQXvUev1UE2TMLg6uM78ftyPr4mqi3XpY5tR33veOO0ya/1EDbGJJGfMShG8Yq4Yr47WtwiBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T12:27:11.440646Z","bundle_sha256":"19e415de03e276c1ecd0564688fb90d7b1a1b76e5614018dbb4e72e0eababc18"}}