{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:LCUS27CXS26MREGD6WFNMDVCHH","short_pith_number":"pith:LCUS27CX","canonical_record":{"source":{"id":"2205.11753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2022-05-24T03:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"37ff883dd5ef92bef45d5c3c43c1cc45b5f7e5252bcd623cff1cb64336c5c406","abstract_canon_sha256":"f20b6be0bbb9010d10960ac0c77bb326c82d7b12046451d602b5e43e673d016f"},"schema_version":"1.0"},"canonical_sha256":"58a92d7c5796bcc890c3f58ad60ea239d454fbe1b56daa5cd26af79a16572891","source":{"kind":"arxiv","id":"2205.11753","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.11753","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"arxiv_version","alias_value":"2205.11753v1","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.11753","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_12","alias_value":"LCUS27CXS26M","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"LCUS27CXS26MREGD","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"LCUS27CX","created_at":"2026-07-05T04:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:LCUS27CXS26MREGD6WFNMDVCHH","target":"record","payload":{"canonical_record":{"source":{"id":"2205.11753","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2022-05-24T03:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"37ff883dd5ef92bef45d5c3c43c1cc45b5f7e5252bcd623cff1cb64336c5c406","abstract_canon_sha256":"f20b6be0bbb9010d10960ac0c77bb326c82d7b12046451d602b5e43e673d016f"},"schema_version":"1.0"},"canonical_sha256":"58a92d7c5796bcc890c3f58ad60ea239d454fbe1b56daa5cd26af79a16572891","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:07.992358Z","signature_b64":"z1zV4rMZ4cCHGwr4Ofqrx5HtQN8HwxKZrfnHdQUPWbNsEJcBOwar42/msi/sl5FTykWITTh82beRf6jGxj5GCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58a92d7c5796bcc890c3f58ad60ea239d454fbe1b56daa5cd26af79a16572891","last_reissued_at":"2026-07-05T04:26:07.991902Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:07.991902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.11753","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":"2026-07-05T04:26:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8GEKP7bgVhFc+X0zRnSWsP79K367s8aEQhVQL2LDOMSGBdm8tDgtoIgg1zQ7uAisKRVvC1R+JvofyojkB0/DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:50:16.736963Z"},"content_sha256":"c62a257e6813fcc62d8adf3deba988cc1ae5cc448a0a2254aeca211070f21fd5","schema_version":"1.0","event_id":"sha256:c62a257e6813fcc62d8adf3deba988cc1ae5cc448a0a2254aeca211070f21fd5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:LCUS27CXS26MREGD6WFNMDVCHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient LSM-Tree Key-Value Data Management on Hybrid SSD/HDD Zoned Storage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.PF","authors_text":"Jinhong Li, Patrick P. C. Lee, Qiuping Wang","submitted_at":"2022-05-24T03:26:42Z","abstract_excerpt":"Zoned storage devices, such as zoned namespace (ZNS) solid-state drives (SSDs) and host-managed shingled magnetic recording (HM-SMR) hard-disk drives (HDDs), expose interfaces for host-level applications to support fine-grained, high-performance storage management. Combining ZNS SSDs and HM-SMR HDDs into a unified hybrid storage system is a natural direction to scale zoned storage at low cost, yet how to effectively incorporate zoned storage awareness into hybrid storage is a non-trivial issue. We make a case for key-value (KV) stores based on log-structured merge trees (LSM-trees) as host-lev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.11753","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/2205.11753/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":"2026-07-05T04:26:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fd+Js00l6mkZBRmGfQ21y0W/18TUPlGHLisRjSFcITZUv3hc7TqZ5t0oy6aYnoq+I2EgyzD7BcIm3KW3sdQQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:50:16.737356Z"},"content_sha256":"d044f5561f5aec3a27455edcd293c08d914d6890c50520a4cecc74a6917ad5e5","schema_version":"1.0","event_id":"sha256:d044f5561f5aec3a27455edcd293c08d914d6890c50520a4cecc74a6917ad5e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LCUS27CXS26MREGD6WFNMDVCHH/bundle.json","state_url":"https://pith.science/pith/LCUS27CXS26MREGD6WFNMDVCHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LCUS27CXS26MREGD6WFNMDVCHH/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":"2026-07-09T02:50:16Z","links":{"resolver":"https://pith.science/pith/LCUS27CXS26MREGD6WFNMDVCHH","bundle":"https://pith.science/pith/LCUS27CXS26MREGD6WFNMDVCHH/bundle.json","state":"https://pith.science/pith/LCUS27CXS26MREGD6WFNMDVCHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LCUS27CXS26MREGD6WFNMDVCHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:LCUS27CXS26MREGD6WFNMDVCHH","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":"f20b6be0bbb9010d10960ac0c77bb326c82d7b12046451d602b5e43e673d016f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2022-05-24T03:26:42Z","title_canon_sha256":"37ff883dd5ef92bef45d5c3c43c1cc45b5f7e5252bcd623cff1cb64336c5c406"},"schema_version":"1.0","source":{"id":"2205.11753","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.11753","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"arxiv_version","alias_value":"2205.11753v1","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.11753","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_12","alias_value":"LCUS27CXS26M","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"LCUS27CXS26MREGD","created_at":"2026-07-05T04:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"LCUS27CX","created_at":"2026-07-05T04:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:d044f5561f5aec3a27455edcd293c08d914d6890c50520a4cecc74a6917ad5e5","target":"graph","created_at":"2026-07-05T04:26:07Z","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/2205.11753/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Zoned storage devices, such as zoned namespace (ZNS) solid-state drives (SSDs) and host-managed shingled magnetic recording (HM-SMR) hard-disk drives (HDDs), expose interfaces for host-level applications to support fine-grained, high-performance storage management. Combining ZNS SSDs and HM-SMR HDDs into a unified hybrid storage system is a natural direction to scale zoned storage at low cost, yet how to effectively incorporate zoned storage awareness into hybrid storage is a non-trivial issue. We make a case for key-value (KV) stores based on log-structured merge trees (LSM-trees) as host-lev","authors_text":"Jinhong Li, Patrick P. C. Lee, Qiuping Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2022-05-24T03:26:42Z","title":"Efficient LSM-Tree Key-Value Data Management on Hybrid SSD/HDD Zoned Storage"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.11753","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:c62a257e6813fcc62d8adf3deba988cc1ae5cc448a0a2254aeca211070f21fd5","target":"record","created_at":"2026-07-05T04:26:07Z","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":"f20b6be0bbb9010d10960ac0c77bb326c82d7b12046451d602b5e43e673d016f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PF","submitted_at":"2022-05-24T03:26:42Z","title_canon_sha256":"37ff883dd5ef92bef45d5c3c43c1cc45b5f7e5252bcd623cff1cb64336c5c406"},"schema_version":"1.0","source":{"id":"2205.11753","kind":"arxiv","version":1}},"canonical_sha256":"58a92d7c5796bcc890c3f58ad60ea239d454fbe1b56daa5cd26af79a16572891","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58a92d7c5796bcc890c3f58ad60ea239d454fbe1b56daa5cd26af79a16572891","first_computed_at":"2026-07-05T04:26:07.991902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:07.991902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z1zV4rMZ4cCHGwr4Ofqrx5HtQN8HwxKZrfnHdQUPWbNsEJcBOwar42/msi/sl5FTykWITTh82beRf6jGxj5GCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:07.992358Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.11753","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c62a257e6813fcc62d8adf3deba988cc1ae5cc448a0a2254aeca211070f21fd5","sha256:d044f5561f5aec3a27455edcd293c08d914d6890c50520a4cecc74a6917ad5e5"],"state_sha256":"53da7fa3ab685968955fe3475c230197c32276b25ded48c2ab2cd9f2fe46b89a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zAV+G6lgOC0Daphq4YXLRYUC8QB1V3Giet8uvhC2cFWUXp55ckTlZ1u5RA6vkE2f+xRS/wJo9QF/B585nOhpDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T02:50:16.739374Z","bundle_sha256":"950eeabb5a186bd6f3af6b022ddac2b3cf55184ad1152eba080b08fec457989a"}}