{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GJOZ2UCXGJ7KDOUTFOELELTMCP","short_pith_number":"pith:GJOZ2UCX","canonical_record":{"source":{"id":"2009.08437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2020-09-17T17:35:46Z","cross_cats_sorted":[],"title_canon_sha256":"88bbe1af107c09721e6a980415138fd7c66128275417966623e327b65f3f55c8","abstract_canon_sha256":"93339b5d21ed6fbdfb52b7e3f48efc792e54fa6317f9a9292f6ee926635b1108"},"schema_version":"1.0"},"canonical_sha256":"325d9d5057327ea1ba932b88b22e6c13ef634411183985f4287afc5a5de13528","source":{"kind":"arxiv","id":"2009.08437","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.08437","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"arxiv_version","alias_value":"2009.08437v1","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.08437","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_12","alias_value":"GJOZ2UCXGJ7K","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_16","alias_value":"GJOZ2UCXGJ7KDOUT","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_8","alias_value":"GJOZ2UCX","created_at":"2026-07-05T01:36:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GJOZ2UCXGJ7KDOUTFOELELTMCP","target":"record","payload":{"canonical_record":{"source":{"id":"2009.08437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2020-09-17T17:35:46Z","cross_cats_sorted":[],"title_canon_sha256":"88bbe1af107c09721e6a980415138fd7c66128275417966623e327b65f3f55c8","abstract_canon_sha256":"93339b5d21ed6fbdfb52b7e3f48efc792e54fa6317f9a9292f6ee926635b1108"},"schema_version":"1.0"},"canonical_sha256":"325d9d5057327ea1ba932b88b22e6c13ef634411183985f4287afc5a5de13528","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:36:13.640030Z","signature_b64":"eqpxDINTm2vydYmRBjG6ACHREo32yCeNVDox+ZVe+7WR4CpqPqav7q0HEfBoby5fwEhvlygECGlnL+zwqZWxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"325d9d5057327ea1ba932b88b22e6c13ef634411183985f4287afc5a5de13528","last_reissued_at":"2026-07-05T01:36:13.639632Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:36:13.639632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.08437","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":"2026-07-05T01:36:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNpYRrU+xd48szvkCJ0XnqSHCfk3ai0wqvO3cV0+DHSfq4wlUcTj3TXJgzHWCiJLC1P8CHquAjM0fcP2RN3sBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:02:26.610050Z"},"content_sha256":"c3f3f6e52be0e8d7db0a565c98c7320c1ce8f64d89f1527b3e69c731a466ad4c","schema_version":"1.0","event_id":"sha256:c3f3f6e52be0e8d7db0a565c98c7320c1ce8f64d89f1527b3e69c731a466ad4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GJOZ2UCXGJ7KDOUTFOELELTMCP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FIGARO: Improving System Performance via Fine-Grained In-DRAM Data Relocation and Caching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Jeremie S. Kim, Juan G\\'omez Luna, Lois Orosa, Minesh Patel, Mohammad Sadrosadati, Nika Mansouri Ghiasi, Onur Mutlu, Saugata Ghose, Xiangjun Peng, Yang Guo, Yaohua Wang","submitted_at":"2020-09-17T17:35:46Z","abstract_excerpt":"DRAM Main memory is a performance bottleneck for many applications due to the high access latency. In-DRAM caches work to mitigate this latency by augmenting regular-latency DRAM with small-but-fast regions of DRAM that serve as a cache for the data held in the regular-latency region of DRAM. While an effective in-DRAM cache can allow a large fraction of memory requests to be served from a fast DRAM region, the latency savings are often hindered by inefficient mechanisms for relocating copies of data into and out of the fast regions. Existing in-DRAM caches have two sources of inefficiency: (1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.08437","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/2009.08437/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":"2026-07-05T01:36:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hJhmWFWG4sgzAM6+pPGsGzg+HeXMmkos7KFFwpwDbg8N7B9HkGpeyCEOUw42YH1uWRTq3fh6k6ztVkwu/A0jCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:02:26.610702Z"},"content_sha256":"98446dd15b097772747bac2e3be88b607274c08b2183f1ca463f24fecd3def1d","schema_version":"1.0","event_id":"sha256:98446dd15b097772747bac2e3be88b607274c08b2183f1ca463f24fecd3def1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/bundle.json","state_url":"https://pith.science/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/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":"2026-07-05T15:02:26Z","links":{"resolver":"https://pith.science/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP","bundle":"https://pith.science/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/bundle.json","state":"https://pith.science/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GJOZ2UCXGJ7KDOUTFOELELTMCP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GJOZ2UCXGJ7KDOUTFOELELTMCP","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":"93339b5d21ed6fbdfb52b7e3f48efc792e54fa6317f9a9292f6ee926635b1108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2020-09-17T17:35:46Z","title_canon_sha256":"88bbe1af107c09721e6a980415138fd7c66128275417966623e327b65f3f55c8"},"schema_version":"1.0","source":{"id":"2009.08437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.08437","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"arxiv_version","alias_value":"2009.08437v1","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.08437","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_12","alias_value":"GJOZ2UCXGJ7K","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_16","alias_value":"GJOZ2UCXGJ7KDOUT","created_at":"2026-07-05T01:36:13Z"},{"alias_kind":"pith_short_8","alias_value":"GJOZ2UCX","created_at":"2026-07-05T01:36:13Z"}],"graph_snapshots":[{"event_id":"sha256:98446dd15b097772747bac2e3be88b607274c08b2183f1ca463f24fecd3def1d","target":"graph","created_at":"2026-07-05T01:36:13Z","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/2009.08437/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"DRAM Main memory is a performance bottleneck for many applications due to the high access latency. In-DRAM caches work to mitigate this latency by augmenting regular-latency DRAM with small-but-fast regions of DRAM that serve as a cache for the data held in the regular-latency region of DRAM. While an effective in-DRAM cache can allow a large fraction of memory requests to be served from a fast DRAM region, the latency savings are often hindered by inefficient mechanisms for relocating copies of data into and out of the fast regions. Existing in-DRAM caches have two sources of inefficiency: (1","authors_text":"Jeremie S. Kim, Juan G\\'omez Luna, Lois Orosa, Minesh Patel, Mohammad Sadrosadati, Nika Mansouri Ghiasi, Onur Mutlu, Saugata Ghose, Xiangjun Peng, Yang Guo, Yaohua Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2020-09-17T17:35:46Z","title":"FIGARO: Improving System Performance via Fine-Grained In-DRAM Data Relocation and Caching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.08437","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:c3f3f6e52be0e8d7db0a565c98c7320c1ce8f64d89f1527b3e69c731a466ad4c","target":"record","created_at":"2026-07-05T01:36:13Z","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":"93339b5d21ed6fbdfb52b7e3f48efc792e54fa6317f9a9292f6ee926635b1108","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2020-09-17T17:35:46Z","title_canon_sha256":"88bbe1af107c09721e6a980415138fd7c66128275417966623e327b65f3f55c8"},"schema_version":"1.0","source":{"id":"2009.08437","kind":"arxiv","version":1}},"canonical_sha256":"325d9d5057327ea1ba932b88b22e6c13ef634411183985f4287afc5a5de13528","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"325d9d5057327ea1ba932b88b22e6c13ef634411183985f4287afc5a5de13528","first_computed_at":"2026-07-05T01:36:13.639632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:36:13.639632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eqpxDINTm2vydYmRBjG6ACHREo32yCeNVDox+ZVe+7WR4CpqPqav7q0HEfBoby5fwEhvlygECGlnL+zwqZWxBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:36:13.640030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.08437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3f3f6e52be0e8d7db0a565c98c7320c1ce8f64d89f1527b3e69c731a466ad4c","sha256:98446dd15b097772747bac2e3be88b607274c08b2183f1ca463f24fecd3def1d"],"state_sha256":"3678796b937c2351733286242130381898e267282867ad78411420349b7d5289"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q2GNJzxKZTt6sEgchkmPzkO5TAq0zo5+U4PZGFXLMiMT5FKimsjWlFeL6hS53V9WWeVU+gtZFmym7tt3Yc9BDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:02:26.614132Z","bundle_sha256":"282621442cf96fa54d8dc71c6b03052c480fa25f01cbdf42e6caa5cdf35b1649"}}