{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QJVCCDEWTCPFLCVP66O6DPWO2R","short_pith_number":"pith:QJVCCDEW","canonical_record":{"source":{"id":"2509.10251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2025-09-12T13:49:27Z","cross_cats_sorted":[],"title_canon_sha256":"f288c0b678e6c556b209d99f37ad9074db1442f15a81b51c733175360609c0e2","abstract_canon_sha256":"a303c2e733b25c238e8fe7910c4be4ce55963ae5afd49f3af1b2be778125b39f"},"schema_version":"1.0"},"canonical_sha256":"826a210c96989e558aaff79de1beced45f3f75707028e1fd6102e60ee42b1cdf","source":{"kind":"arxiv","id":"2509.10251","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.10251","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"arxiv_version","alias_value":"2509.10251v1","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.10251","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_12","alias_value":"QJVCCDEWTCPF","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_16","alias_value":"QJVCCDEWTCPFLCVP","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_8","alias_value":"QJVCCDEW","created_at":"2026-07-05T12:11:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QJVCCDEWTCPFLCVP66O6DPWO2R","target":"record","payload":{"canonical_record":{"source":{"id":"2509.10251","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2025-09-12T13:49:27Z","cross_cats_sorted":[],"title_canon_sha256":"f288c0b678e6c556b209d99f37ad9074db1442f15a81b51c733175360609c0e2","abstract_canon_sha256":"a303c2e733b25c238e8fe7910c4be4ce55963ae5afd49f3af1b2be778125b39f"},"schema_version":"1.0"},"canonical_sha256":"826a210c96989e558aaff79de1beced45f3f75707028e1fd6102e60ee42b1cdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:11:05.714880Z","signature_b64":"/2Rfs0wO3vH322TePz3EShaLIGw6z54Ri3aPcnifTHRXFF7K6Shsx1fn1temuG2bbNbZEQ2MuYUY7FL9CgMbDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"826a210c96989e558aaff79de1beced45f3f75707028e1fd6102e60ee42b1cdf","last_reissued_at":"2026-07-05T12:11:05.714373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:11:05.714373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.10251","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":"2026-07-05T12:11:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ItcFD24+1S2+sfpwVni1sDiAxvR0DCvo6TihiUdbYuLY1q6YCYu5/QXcRiVnLVTxnRbEvOYjEhlUR0jSY7sBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:16:37.970168Z"},"content_sha256":"c853502ab495777048402a77ceaaac02cc1d36cee6ccf4c77b1b03566034d57b","schema_version":"1.0","event_id":"sha256:c853502ab495777048402a77ceaaac02cc1d36cee6ccf4c77b1b03566034d57b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QJVCCDEWTCPFLCVP66O6DPWO2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"XBOF: A Cost-Efficient CXL JBOF with Inter-SSD Compute Resource Sharing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.OS","authors_text":"Diyu Zhou, Guangyan Zhang, Jieming Yin, Jie Zhang, Ke Zhou, Li Peng, Qiao Li, Shushu Yi, Wenfei Wu, Xiaolin Wang, Xiurui Pan, Yingwei Luo, Yuda An, Zhenlin Wang","submitted_at":"2025-09-12T13:49:27Z","abstract_excerpt":"Enterprise SSDs integrate numerous computing resources (e.g., ARM processor and onboard DRAM) to satisfy the ever-increasing performance requirements of I/O bursts. While these resources substantially elevate the monetary costs of SSDs, the sporadic nature of I/O bursts causes severe SSD resource underutilization in just a bunch of flash (JBOF) level. Tackling this challenge, we propose XBOF, a cost-efficient JBOF design, which only reserves moderate computing resources in SSDs at low monetary cost, while achieving demanded I/O performance through efficient inter-SSD resource sharing. Specific"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.10251","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/2509.10251/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":"2026-07-05T12:11:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iwFKI9lA03a+bScsxnbXODp/6vV9B1enckATSg68WJ4+zv7DWPkCVBU0gjUgrf17Xdov/VNQBSyIgKcQGJ9oBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T12:16:37.970753Z"},"content_sha256":"910a21af81d917809d55c527ac9f345202a50bb3b2c7ea4e2c6da8c6b8966481","schema_version":"1.0","event_id":"sha256:910a21af81d917809d55c527ac9f345202a50bb3b2c7ea4e2c6da8c6b8966481"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/bundle.json","state_url":"https://pith.science/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/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":"2026-08-16T12:16:37Z","links":{"resolver":"https://pith.science/pith/QJVCCDEWTCPFLCVP66O6DPWO2R","bundle":"https://pith.science/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/bundle.json","state":"https://pith.science/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJVCCDEWTCPFLCVP66O6DPWO2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QJVCCDEWTCPFLCVP66O6DPWO2R","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":"a303c2e733b25c238e8fe7910c4be4ce55963ae5afd49f3af1b2be778125b39f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2025-09-12T13:49:27Z","title_canon_sha256":"f288c0b678e6c556b209d99f37ad9074db1442f15a81b51c733175360609c0e2"},"schema_version":"1.0","source":{"id":"2509.10251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.10251","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"arxiv_version","alias_value":"2509.10251v1","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.10251","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_12","alias_value":"QJVCCDEWTCPF","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_16","alias_value":"QJVCCDEWTCPFLCVP","created_at":"2026-07-05T12:11:05Z"},{"alias_kind":"pith_short_8","alias_value":"QJVCCDEW","created_at":"2026-07-05T12:11:05Z"}],"graph_snapshots":[{"event_id":"sha256:910a21af81d917809d55c527ac9f345202a50bb3b2c7ea4e2c6da8c6b8966481","target":"graph","created_at":"2026-07-05T12:11:05Z","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/2509.10251/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Enterprise SSDs integrate numerous computing resources (e.g., ARM processor and onboard DRAM) to satisfy the ever-increasing performance requirements of I/O bursts. While these resources substantially elevate the monetary costs of SSDs, the sporadic nature of I/O bursts causes severe SSD resource underutilization in just a bunch of flash (JBOF) level. Tackling this challenge, we propose XBOF, a cost-efficient JBOF design, which only reserves moderate computing resources in SSDs at low monetary cost, while achieving demanded I/O performance through efficient inter-SSD resource sharing. Specific","authors_text":"Diyu Zhou, Guangyan Zhang, Jieming Yin, Jie Zhang, Ke Zhou, Li Peng, Qiao Li, Shushu Yi, Wenfei Wu, Xiaolin Wang, Xiurui Pan, Yingwei Luo, Yuda An, Zhenlin Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2025-09-12T13:49:27Z","title":"XBOF: A Cost-Efficient CXL JBOF with Inter-SSD Compute Resource Sharing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.10251","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:c853502ab495777048402a77ceaaac02cc1d36cee6ccf4c77b1b03566034d57b","target":"record","created_at":"2026-07-05T12:11:05Z","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":"a303c2e733b25c238e8fe7910c4be4ce55963ae5afd49f3af1b2be778125b39f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2025-09-12T13:49:27Z","title_canon_sha256":"f288c0b678e6c556b209d99f37ad9074db1442f15a81b51c733175360609c0e2"},"schema_version":"1.0","source":{"id":"2509.10251","kind":"arxiv","version":1}},"canonical_sha256":"826a210c96989e558aaff79de1beced45f3f75707028e1fd6102e60ee42b1cdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"826a210c96989e558aaff79de1beced45f3f75707028e1fd6102e60ee42b1cdf","first_computed_at":"2026-07-05T12:11:05.714373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:11:05.714373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/2Rfs0wO3vH322TePz3EShaLIGw6z54Ri3aPcnifTHRXFF7K6Shsx1fn1temuG2bbNbZEQ2MuYUY7FL9CgMbDA==","signature_status":"signed_v1","signed_at":"2026-07-05T12:11:05.714880Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.10251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c853502ab495777048402a77ceaaac02cc1d36cee6ccf4c77b1b03566034d57b","sha256:910a21af81d917809d55c527ac9f345202a50bb3b2c7ea4e2c6da8c6b8966481"],"state_sha256":"ecb0ece8f4dc7fdb2405e258dceec884b5c7b14a7ddf39147a989f985600d35b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/1ED8+UWlAoBSjA5dCVhzrDSv/SZGnPcoLSzm7W9hHbJ0/5XJkZVAoMfQ4u4mDka+KPT5ZO2eS5w0lvJzcJ6BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T12:16:37.975843Z","bundle_sha256":"31bbfb0d969d6c805e887c1e0a3815f70f739a7f624db926fec83442e7b6d616"}}