{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:IBV5BFZCSU27QEEIPZZGNUEL5Q","short_pith_number":"pith:IBV5BFZC","canonical_record":{"source":{"id":"2305.09977","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-05-17T06:17:06Z","cross_cats_sorted":[],"title_canon_sha256":"42c287f9c0a242c4bd295a04f6ffe7afc0602dcdc9df59aac26a977cb6dabcef","abstract_canon_sha256":"096a49b3b3cb59c3142a7fb1e327865145154ece39ff299d2469b2256bbfc906"},"schema_version":"1.0"},"canonical_sha256":"406bd097229535f810887e7266d08bec1ac679dd7fc8411abb845d4a070ef1b6","source":{"kind":"arxiv","id":"2305.09977","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.09977","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"2305.09977v2","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.09977","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"IBV5BFZCSU27","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_16","alias_value":"IBV5BFZCSU27QEEI","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_8","alias_value":"IBV5BFZC","created_at":"2026-07-05T08:34:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:IBV5BFZCSU27QEEIPZZGNUEL5Q","target":"record","payload":{"canonical_record":{"source":{"id":"2305.09977","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-05-17T06:17:06Z","cross_cats_sorted":[],"title_canon_sha256":"42c287f9c0a242c4bd295a04f6ffe7afc0602dcdc9df59aac26a977cb6dabcef","abstract_canon_sha256":"096a49b3b3cb59c3142a7fb1e327865145154ece39ff299d2469b2256bbfc906"},"schema_version":"1.0"},"canonical_sha256":"406bd097229535f810887e7266d08bec1ac679dd7fc8411abb845d4a070ef1b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:34:54.748334Z","signature_b64":"A2R1xDFRHmtg832/+ZaiV3k0tkXx+2nqf+rA5iJ9oiz5ikxT15mmzauFSTAQs4+yQIoYLFnr4bseN9X2whe2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"406bd097229535f810887e7266d08bec1ac679dd7fc8411abb845d4a070ef1b6","last_reissued_at":"2026-07-05T08:34:54.747964Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:34:54.747964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.09977","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":"2026-07-05T08:34:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MrEYaoGsH8MuN8os1cTYhJIWYCfDkdcAzqC347JVZHhb7/nZPXdQdg4SGe8nCccH0mV0MtTebS5zlGVZUm6IDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:10:25.818494Z"},"content_sha256":"b3f3e4faeb130f16a1156808f2173bacc45c85dc00fe69ae70c0f21c40e513c6","schema_version":"1.0","event_id":"sha256:b3f3e4faeb130f16a1156808f2173bacc45c85dc00fe69ae70c0f21c40e513c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:IBV5BFZCSU27QEEIPZZGNUEL5Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DRackSim: Simulator for Rack-scale Memory Disaggregation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Amit Puri, John Jose, Tamarapalli Venkatesh, Vijaykrishnan Narayanan","submitted_at":"2023-05-17T06:17:06Z","abstract_excerpt":"Memory disaggregation has emerged as an alternative to traditional server architecture in data centers. This paper introduces DRackSim, a simulation infrastructure to model rack-scale hardware disaggregated memory. DRackSim models multiple compute nodes, memory pools, and a rack-scale interconnect similar to GenZ. An application-level simulation approach simulates an x86 out-of-order multi-core processor with a multi-level cache hierarchy at compute nodes. A queue-based simulation is used to model a remote memory controller and rack-level interconnect, which allows both cache-based and page-ba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.09977","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/2305.09977/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":"2026-07-05T08:34:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JShXQhw8XEH+G97UVAJWsOodZGTLlS1LWkMZEjnUUCtdG4l2YIAS9XHcSQ6ZKudXg9UPn8DNjI3HYLUJPZ78DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:10:25.819350Z"},"content_sha256":"3315a0991a497cdd871d85976d3dea78ae0b2353c4e2ad45c653577b7452d687","schema_version":"1.0","event_id":"sha256:3315a0991a497cdd871d85976d3dea78ae0b2353c4e2ad45c653577b7452d687"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/bundle.json","state_url":"https://pith.science/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/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":"2026-08-05T07:10:25Z","links":{"resolver":"https://pith.science/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q","bundle":"https://pith.science/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/bundle.json","state":"https://pith.science/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IBV5BFZCSU27QEEIPZZGNUEL5Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:IBV5BFZCSU27QEEIPZZGNUEL5Q","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":"096a49b3b3cb59c3142a7fb1e327865145154ece39ff299d2469b2256bbfc906","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-05-17T06:17:06Z","title_canon_sha256":"42c287f9c0a242c4bd295a04f6ffe7afc0602dcdc9df59aac26a977cb6dabcef"},"schema_version":"1.0","source":{"id":"2305.09977","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.09977","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"2305.09977v2","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.09977","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"IBV5BFZCSU27","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_16","alias_value":"IBV5BFZCSU27QEEI","created_at":"2026-07-05T08:34:54Z"},{"alias_kind":"pith_short_8","alias_value":"IBV5BFZC","created_at":"2026-07-05T08:34:54Z"}],"graph_snapshots":[{"event_id":"sha256:3315a0991a497cdd871d85976d3dea78ae0b2353c4e2ad45c653577b7452d687","target":"graph","created_at":"2026-07-05T08:34:54Z","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/2305.09977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Memory disaggregation has emerged as an alternative to traditional server architecture in data centers. This paper introduces DRackSim, a simulation infrastructure to model rack-scale hardware disaggregated memory. DRackSim models multiple compute nodes, memory pools, and a rack-scale interconnect similar to GenZ. An application-level simulation approach simulates an x86 out-of-order multi-core processor with a multi-level cache hierarchy at compute nodes. A queue-based simulation is used to model a remote memory controller and rack-level interconnect, which allows both cache-based and page-ba","authors_text":"Amit Puri, John Jose, Tamarapalli Venkatesh, Vijaykrishnan Narayanan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-05-17T06:17:06Z","title":"DRackSim: Simulator for Rack-scale Memory Disaggregation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.09977","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:b3f3e4faeb130f16a1156808f2173bacc45c85dc00fe69ae70c0f21c40e513c6","target":"record","created_at":"2026-07-05T08:34:54Z","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":"096a49b3b3cb59c3142a7fb1e327865145154ece39ff299d2469b2256bbfc906","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2023-05-17T06:17:06Z","title_canon_sha256":"42c287f9c0a242c4bd295a04f6ffe7afc0602dcdc9df59aac26a977cb6dabcef"},"schema_version":"1.0","source":{"id":"2305.09977","kind":"arxiv","version":2}},"canonical_sha256":"406bd097229535f810887e7266d08bec1ac679dd7fc8411abb845d4a070ef1b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"406bd097229535f810887e7266d08bec1ac679dd7fc8411abb845d4a070ef1b6","first_computed_at":"2026-07-05T08:34:54.747964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:34:54.747964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A2R1xDFRHmtg832/+ZaiV3k0tkXx+2nqf+rA5iJ9oiz5ikxT15mmzauFSTAQs4+yQIoYLFnr4bseN9X2whe2Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:34:54.748334Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.09977","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3f3e4faeb130f16a1156808f2173bacc45c85dc00fe69ae70c0f21c40e513c6","sha256:3315a0991a497cdd871d85976d3dea78ae0b2353c4e2ad45c653577b7452d687"],"state_sha256":"03b0aa1d448f4dd688d355895107a4026b1037ea9a4e15a288fe525718f9eb8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TBZYhsVIwU71D28uLPEUA4hkG9m3rkwv6NjUgpG7KDGeuh2o046LfElWK0kgKrsg40TapPcPEzyw7nOt6jwqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:10:25.824551Z","bundle_sha256":"b2af8371bad765462f632d6e7e463ce7afe6ae895cd1323865b4e67864aea1a5"}}