{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:A7IAHD5PFN4FXYYCLWYHQ6NLXY","short_pith_number":"pith:A7IAHD5P","canonical_record":{"source":{"id":"1908.06807","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-08-19T13:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"d4d11b15622d057c27d47524cdb448fde61d674dde2444de9a2fbe1bcab3b2b4","abstract_canon_sha256":"265df3d59d9d8964403043b9e14fd55ad36db1e1b3ea85fe56d4b88136ab58e3"},"schema_version":"1.0"},"canonical_sha256":"07d0038faf2b785be3025db07879abbe2f02c88ff51c624f940a48e2202c93e2","source":{"kind":"arxiv","id":"1908.06807","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06807","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06807v2","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06807","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_12","alias_value":"A7IAHD5PFN4F","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_16","alias_value":"A7IAHD5PFN4FXYYC","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_8","alias_value":"A7IAHD5P","created_at":"2026-07-05T00:50:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:A7IAHD5PFN4FXYYCLWYHQ6NLXY","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06807","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-08-19T13:55:44Z","cross_cats_sorted":[],"title_canon_sha256":"d4d11b15622d057c27d47524cdb448fde61d674dde2444de9a2fbe1bcab3b2b4","abstract_canon_sha256":"265df3d59d9d8964403043b9e14fd55ad36db1e1b3ea85fe56d4b88136ab58e3"},"schema_version":"1.0"},"canonical_sha256":"07d0038faf2b785be3025db07879abbe2f02c88ff51c624f940a48e2202c93e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:04.084705Z","signature_b64":"iwczWozbfMOk4/haRgxZ0BWTzfBZFHMFfnSp7l6QAED32X4KidHK0RSXD0srhSJ5WkMLxJ8KcafQ+unn4aZ2AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07d0038faf2b785be3025db07879abbe2f02c88ff51c624f940a48e2202c93e2","last_reissued_at":"2026-07-05T00:50:04.084202Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:04.084202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06807","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gF5r3AYMfO9qE04yrN/+qF45/f3AsSPPgrbVncMf7VX0YS2k5ztskHNNfNU+BItrma/ELxrRLHyr8QoW/G9pAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:35:08.436403Z"},"content_sha256":"f436236a7154f34497cf25d2806c828f140a342616233a7e1db217ee408700d6","schema_version":"1.0","event_id":"sha256:f436236a7154f34497cf25d2806c828f140a342616233a7e1db217ee408700d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:A7IAHD5PFN4FXYYCLWYHQ6NLXY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Boomerang: Real-Time I/O Meets Legacy Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.OS","authors_text":"Ahmad Golchin, Richard West, Soham Sinha","submitted_at":"2019-08-19T13:55:44Z","abstract_excerpt":"This paper presents Boomerang, an I/O system that integrates a legacy non-real-time OS with one that is customized for timing-sensitive tasks. A relatively small RTOS benefits from the pre-existing libraries, drivers and services of the legacy system. Additionally, timing-critical tasks are isolated from less critical tasks by securely partitioning machine resources among the separate OSes. Boomerang guarantees end-to-end processing delays on input data that requires outputs to be generated within specific time bounds.\n  We show how to construct composable task pipelines in Boomerang that comb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06807","kind":"arxiv","version":2},"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/1908.06807/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":"2026-07-05T00:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b5Xxw9lvQJDI7Fjq2cM9TFu3NAUH/a9v+JH8qys4feUQ6jewwj3El0ScTd649J9PQMjWCP35slzGGxcb0m77Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:35:08.437335Z"},"content_sha256":"171fb183369a732278f8232ab98cf748de434de4a3e0cae2e674ade1bda1fe24","schema_version":"1.0","event_id":"sha256:171fb183369a732278f8232ab98cf748de434de4a3e0cae2e674ade1bda1fe24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/bundle.json","state_url":"https://pith.science/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/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":"2026-08-16T06:35:08Z","links":{"resolver":"https://pith.science/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY","bundle":"https://pith.science/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/bundle.json","state":"https://pith.science/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7IAHD5PFN4FXYYCLWYHQ6NLXY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:A7IAHD5PFN4FXYYCLWYHQ6NLXY","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":"265df3d59d9d8964403043b9e14fd55ad36db1e1b3ea85fe56d4b88136ab58e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-08-19T13:55:44Z","title_canon_sha256":"d4d11b15622d057c27d47524cdb448fde61d674dde2444de9a2fbe1bcab3b2b4"},"schema_version":"1.0","source":{"id":"1908.06807","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06807","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06807v2","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06807","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_12","alias_value":"A7IAHD5PFN4F","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_16","alias_value":"A7IAHD5PFN4FXYYC","created_at":"2026-07-05T00:50:04Z"},{"alias_kind":"pith_short_8","alias_value":"A7IAHD5P","created_at":"2026-07-05T00:50:04Z"}],"graph_snapshots":[{"event_id":"sha256:171fb183369a732278f8232ab98cf748de434de4a3e0cae2e674ade1bda1fe24","target":"graph","created_at":"2026-07-05T00:50:04Z","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/1908.06807/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents Boomerang, an I/O system that integrates a legacy non-real-time OS with one that is customized for timing-sensitive tasks. A relatively small RTOS benefits from the pre-existing libraries, drivers and services of the legacy system. Additionally, timing-critical tasks are isolated from less critical tasks by securely partitioning machine resources among the separate OSes. Boomerang guarantees end-to-end processing delays on input data that requires outputs to be generated within specific time bounds.\n  We show how to construct composable task pipelines in Boomerang that comb","authors_text":"Ahmad Golchin, Richard West, Soham Sinha","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-08-19T13:55:44Z","title":"Boomerang: Real-Time I/O Meets Legacy Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06807","kind":"arxiv","version":2},"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:f436236a7154f34497cf25d2806c828f140a342616233a7e1db217ee408700d6","target":"record","created_at":"2026-07-05T00:50:04Z","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":"265df3d59d9d8964403043b9e14fd55ad36db1e1b3ea85fe56d4b88136ab58e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-08-19T13:55:44Z","title_canon_sha256":"d4d11b15622d057c27d47524cdb448fde61d674dde2444de9a2fbe1bcab3b2b4"},"schema_version":"1.0","source":{"id":"1908.06807","kind":"arxiv","version":2}},"canonical_sha256":"07d0038faf2b785be3025db07879abbe2f02c88ff51c624f940a48e2202c93e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07d0038faf2b785be3025db07879abbe2f02c88ff51c624f940a48e2202c93e2","first_computed_at":"2026-07-05T00:50:04.084202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:04.084202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iwczWozbfMOk4/haRgxZ0BWTzfBZFHMFfnSp7l6QAED32X4KidHK0RSXD0srhSJ5WkMLxJ8KcafQ+unn4aZ2AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:04.084705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06807","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f436236a7154f34497cf25d2806c828f140a342616233a7e1db217ee408700d6","sha256:171fb183369a732278f8232ab98cf748de434de4a3e0cae2e674ade1bda1fe24"],"state_sha256":"c366f33daecc77bc56617035f173ba265136f79f4fa922bc9be960d8200640d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fwQuV4+vbp8gK5EUV/02AvvH6XjygmocDWxJjrncag8TFJfPy85/b2oZfpYAmrz44rqLxRH0xeeT2LIyguO/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:35:08.444345Z","bundle_sha256":"6b9ad9a9fd00e3f6cebd8705287ca91d17b4bc8306f708f0c3c49078d747e365"}}