{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2ESP3OCLRSALBBDUQHRNNLWTQ6","short_pith_number":"pith:2ESP3OCL","canonical_record":{"source":{"id":"1802.00320","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2018-02-01T15:00:38Z","cross_cats_sorted":[],"title_canon_sha256":"c569bc079b4921eb3e6e5c249ad70f2decc08fa64bf39d4351f46c5f5d01f6a3","abstract_canon_sha256":"fe5bff244902e9fd50d10b13253f02c475f3a202ab568a10b48d7ae37aefb58d"},"schema_version":"1.0"},"canonical_sha256":"d124fdb84b8c80b0847481e2d6aed387bf04184c955b74685494e01eef688446","source":{"kind":"arxiv","id":"1802.00320","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00320","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00320v1","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00320","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"2ESP3OCLRSAL","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2ESP3OCLRSALBBDU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2ESP3OCL","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2ESP3OCLRSALBBDUQHRNNLWTQ6","target":"record","payload":{"canonical_record":{"source":{"id":"1802.00320","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2018-02-01T15:00:38Z","cross_cats_sorted":[],"title_canon_sha256":"c569bc079b4921eb3e6e5c249ad70f2decc08fa64bf39d4351f46c5f5d01f6a3","abstract_canon_sha256":"fe5bff244902e9fd50d10b13253f02c475f3a202ab568a10b48d7ae37aefb58d"},"schema_version":"1.0"},"canonical_sha256":"d124fdb84b8c80b0847481e2d6aed387bf04184c955b74685494e01eef688446","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:36.282538Z","signature_b64":"l3EVavg/17awtAwOT5Z2dgj7UJ+8n+Xu8Ln0J05Ce+ekp3Gtt6/ZJUMQR4yOzdKaaCNzTqhyR8O0w2XiAEi/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d124fdb84b8c80b0847481e2d6aed387bf04184c955b74685494e01eef688446","last_reissued_at":"2026-05-18T00:24:36.281945Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:36.281945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.00320","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":"2026-05-18T00:24:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Skb0/UXwA4VXxfu95wUNiEEmGOmxwx881RNU6GabmbOAKB8P0jn/T9gEeucM5vknp/VO9yY9Iq+vdPEXUoyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:50:33.076574Z"},"content_sha256":"2ba84208f715d500b9b2c3de77323e468b8adbb135c603efd27bcccc669586b6","schema_version":"1.0","event_id":"sha256:2ba84208f715d500b9b2c3de77323e468b8adbb135c603efd27bcccc669586b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2ESP3OCLRSALBBDUQHRNNLWTQ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enabling the Adoption of Processing-in-Memory: Challenges, Mechanisms, Future Research Directions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Amirali Boroumand, Kevin Hsieh, Onur Mutlu, Rachata Ausavarungnirun, Saugata Ghose","submitted_at":"2018-02-01T15:00:38Z","abstract_excerpt":"Poor DRAM technology scaling over the course of many years has caused DRAM-based main memory to increasingly become a larger system bottleneck. A major reason for the bottleneck is that data stored within DRAM must be moved across a pin-limited memory channel to the CPU before any computation can take place. This requires a high latency and energy overhead, and the data often cannot benefit from caching in the CPU, making it difficult to amortize the overhead.\n  Modern 3D-stacked DRAM architectures include a logic layer, where compute logic can be integrated underneath multiple layers of DRAM "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00320","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":""},"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":"2026-05-18T00:24:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qDUFpC6/Lqdb7gHit2TL7Y9EE4kymumkutrgksssMQRcUaYWPoF6PmuakTxgzlwv0be9rnoGC+A9NjWy95ETDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:50:33.077222Z"},"content_sha256":"adc55aa5204a5df5fb079c9a4ecf37b590145d5292a69c0ae9af94b0e919c90b","schema_version":"1.0","event_id":"sha256:adc55aa5204a5df5fb079c9a4ecf37b590145d5292a69c0ae9af94b0e919c90b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/bundle.json","state_url":"https://pith.science/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/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":"2026-05-27T02:50:33Z","links":{"resolver":"https://pith.science/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6","bundle":"https://pith.science/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/bundle.json","state":"https://pith.science/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ESP3OCLRSALBBDUQHRNNLWTQ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2ESP3OCLRSALBBDUQHRNNLWTQ6","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":"fe5bff244902e9fd50d10b13253f02c475f3a202ab568a10b48d7ae37aefb58d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2018-02-01T15:00:38Z","title_canon_sha256":"c569bc079b4921eb3e6e5c249ad70f2decc08fa64bf39d4351f46c5f5d01f6a3"},"schema_version":"1.0","source":{"id":"1802.00320","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.00320","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"1802.00320v1","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.00320","created_at":"2026-05-18T00:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"2ESP3OCLRSAL","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2ESP3OCLRSALBBDU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2ESP3OCL","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:adc55aa5204a5df5fb079c9a4ecf37b590145d5292a69c0ae9af94b0e919c90b","target":"graph","created_at":"2026-05-18T00:24:36Z","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"},"paper":{"abstract_excerpt":"Poor DRAM technology scaling over the course of many years has caused DRAM-based main memory to increasingly become a larger system bottleneck. A major reason for the bottleneck is that data stored within DRAM must be moved across a pin-limited memory channel to the CPU before any computation can take place. This requires a high latency and energy overhead, and the data often cannot benefit from caching in the CPU, making it difficult to amortize the overhead.\n  Modern 3D-stacked DRAM architectures include a logic layer, where compute logic can be integrated underneath multiple layers of DRAM ","authors_text":"Amirali Boroumand, Kevin Hsieh, Onur Mutlu, Rachata Ausavarungnirun, Saugata Ghose","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2018-02-01T15:00:38Z","title":"Enabling the Adoption of Processing-in-Memory: Challenges, Mechanisms, Future Research Directions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.00320","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":"sha256:2ba84208f715d500b9b2c3de77323e468b8adbb135c603efd27bcccc669586b6","target":"record","created_at":"2026-05-18T00:24:36Z","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":"fe5bff244902e9fd50d10b13253f02c475f3a202ab568a10b48d7ae37aefb58d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2018-02-01T15:00:38Z","title_canon_sha256":"c569bc079b4921eb3e6e5c249ad70f2decc08fa64bf39d4351f46c5f5d01f6a3"},"schema_version":"1.0","source":{"id":"1802.00320","kind":"arxiv","version":1}},"canonical_sha256":"d124fdb84b8c80b0847481e2d6aed387bf04184c955b74685494e01eef688446","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d124fdb84b8c80b0847481e2d6aed387bf04184c955b74685494e01eef688446","first_computed_at":"2026-05-18T00:24:36.281945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:36.281945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l3EVavg/17awtAwOT5Z2dgj7UJ+8n+Xu8Ln0J05Ce+ekp3Gtt6/ZJUMQR4yOzdKaaCNzTqhyR8O0w2XiAEi/CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:36.282538Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.00320","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ba84208f715d500b9b2c3de77323e468b8adbb135c603efd27bcccc669586b6","sha256:adc55aa5204a5df5fb079c9a4ecf37b590145d5292a69c0ae9af94b0e919c90b"],"state_sha256":"50b5594d48f37dbf20f9d4c6d9bf7499ca99b10691fd19c01c90977941136acf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"59zq4BCK6oE+PDo5Abs8+9VF/WB52wZT9hbQeXycF1MDr6bgPeFBIVKraIE3sAH3xXWp73Bl937hiHXvY990DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:50:33.080540Z","bundle_sha256":"c365590a7e19cbddefc68780fd1fe7fc298c01ab8c69205183ddb034b64d5d23"}}