{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7EKPVKLA2I56P5W5FIM3UGPNNZ","short_pith_number":"pith:7EKPVKLA","canonical_record":{"source":{"id":"1804.09848","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-04-26T01:24:12Z","cross_cats_sorted":["cond-mat.mtrl-sci","cs.ET"],"title_canon_sha256":"92e12379526d9e1bf80c14dd7c442b0b85b1fa05ff1cc198e55708cf86e7f501","abstract_canon_sha256":"fac401682bcc008091b7c95fdb00a0656d01fead654b20d061863ca851b98321"},"schema_version":"1.0"},"canonical_sha256":"f914faa960d23be7f6dd2a19ba19ed6e734cc23b042d69ae4476157e18f103e2","source":{"kind":"arxiv","id":"1804.09848","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09848","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09848v2","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09848","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"7EKPVKLA2I56","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7EKPVKLA2I56P5W5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7EKPVKLA","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7EKPVKLA2I56P5W5FIM3UGPNNZ","target":"record","payload":{"canonical_record":{"source":{"id":"1804.09848","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-04-26T01:24:12Z","cross_cats_sorted":["cond-mat.mtrl-sci","cs.ET"],"title_canon_sha256":"92e12379526d9e1bf80c14dd7c442b0b85b1fa05ff1cc198e55708cf86e7f501","abstract_canon_sha256":"fac401682bcc008091b7c95fdb00a0656d01fead654b20d061863ca851b98321"},"schema_version":"1.0"},"canonical_sha256":"f914faa960d23be7f6dd2a19ba19ed6e734cc23b042d69ae4476157e18f103e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:39.615888Z","signature_b64":"GDtoeAGYW0LG4xQlg1Tv5gmOeUshWwdMteL+jgRMWl2pA2IvXO2ZzSJcu/Wpzj3dYbkeAluucdI5NfjXWCJ5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f914faa960d23be7f6dd2a19ba19ed6e734cc23b042d69ae4476157e18f103e2","last_reissued_at":"2026-05-18T00:00:39.615390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:39.615390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.09848","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":"2026-05-18T00:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iu5VojvX/eXxwgnz/du6GQhqEcR+i4mXPvIMWrvTOdLYyRlbgxAdEDTan4O+bIa1zrfxECURoQIe8m9j9zCKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:46:34.064332Z"},"content_sha256":"5f39094126f8af67281e1ea942684115791441a935e0a3237bd957109efb9567","schema_version":"1.0","event_id":"sha256:5f39094126f8af67281e1ea942684115791441a935e0a3237bd957109efb9567"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7EKPVKLA2I56P5W5FIM3UGPNNZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Memristor Crossbars with 4.5 Terabits-per-Inch-Square Density and Two Nanometer Dimension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cs.ET"],"primary_cat":"cond-mat.mes-hall","authors_text":"Can Li, Hao Jiang, Huolin Xin, J. Joshua Yang, Qiangfei Xia, Shuang Pi, Weiwei Xia","submitted_at":"2018-04-26T01:24:12Z","abstract_excerpt":"Memristor is a promising building block for the next generation nonvolatile random access memory and bio-inspired computing systems. Organizing memristors into high density crossbar arrays, although challenging, is critical to meet the ever-growing high capacity and low energy demands of these applications especially in the big data era. Here, we construct memristor crossbars with a single-layer density up to 4.5 terabits per inch square, an order of magnitude denser than the state- of-the-art 64-layer triple level cell NAND flash technology. The memristors in the crossbars are 2 $\\times$ 2 nm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09848","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":""},"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":"2026-05-18T00:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+aWk3o3+KZzV2vsI3WeAtYMNxnNi02ZjMls2AYhJ16rrMSqtuGwOCP+IvTryHVnyfiUBh9Fa/v4F0XUw3CmLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:46:34.065036Z"},"content_sha256":"0672fb0b9f78975e5c22e42b4ea71fb45569411bd1555d075e7013a5de365e34","schema_version":"1.0","event_id":"sha256:0672fb0b9f78975e5c22e42b4ea71fb45569411bd1555d075e7013a5de365e34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/bundle.json","state_url":"https://pith.science/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/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":"2026-05-29T21:46:34Z","links":{"resolver":"https://pith.science/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ","bundle":"https://pith.science/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/bundle.json","state":"https://pith.science/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EKPVKLA2I56P5W5FIM3UGPNNZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7EKPVKLA2I56P5W5FIM3UGPNNZ","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":"fac401682bcc008091b7c95fdb00a0656d01fead654b20d061863ca851b98321","cross_cats_sorted":["cond-mat.mtrl-sci","cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-04-26T01:24:12Z","title_canon_sha256":"92e12379526d9e1bf80c14dd7c442b0b85b1fa05ff1cc198e55708cf86e7f501"},"schema_version":"1.0","source":{"id":"1804.09848","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09848","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09848v2","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09848","created_at":"2026-05-18T00:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"7EKPVKLA2I56","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7EKPVKLA2I56P5W5","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7EKPVKLA","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:0672fb0b9f78975e5c22e42b4ea71fb45569411bd1555d075e7013a5de365e34","target":"graph","created_at":"2026-05-18T00:00:39Z","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":"Memristor is a promising building block for the next generation nonvolatile random access memory and bio-inspired computing systems. Organizing memristors into high density crossbar arrays, although challenging, is critical to meet the ever-growing high capacity and low energy demands of these applications especially in the big data era. Here, we construct memristor crossbars with a single-layer density up to 4.5 terabits per inch square, an order of magnitude denser than the state- of-the-art 64-layer triple level cell NAND flash technology. The memristors in the crossbars are 2 $\\times$ 2 nm","authors_text":"Can Li, Hao Jiang, Huolin Xin, J. Joshua Yang, Qiangfei Xia, Shuang Pi, Weiwei Xia","cross_cats":["cond-mat.mtrl-sci","cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-04-26T01:24:12Z","title":"Memristor Crossbars with 4.5 Terabits-per-Inch-Square Density and Two Nanometer Dimension"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09848","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":"sha256:5f39094126f8af67281e1ea942684115791441a935e0a3237bd957109efb9567","target":"record","created_at":"2026-05-18T00:00:39Z","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":"fac401682bcc008091b7c95fdb00a0656d01fead654b20d061863ca851b98321","cross_cats_sorted":["cond-mat.mtrl-sci","cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-04-26T01:24:12Z","title_canon_sha256":"92e12379526d9e1bf80c14dd7c442b0b85b1fa05ff1cc198e55708cf86e7f501"},"schema_version":"1.0","source":{"id":"1804.09848","kind":"arxiv","version":2}},"canonical_sha256":"f914faa960d23be7f6dd2a19ba19ed6e734cc23b042d69ae4476157e18f103e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f914faa960d23be7f6dd2a19ba19ed6e734cc23b042d69ae4476157e18f103e2","first_computed_at":"2026-05-18T00:00:39.615390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:39.615390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GDtoeAGYW0LG4xQlg1Tv5gmOeUshWwdMteL+jgRMWl2pA2IvXO2ZzSJcu/Wpzj3dYbkeAluucdI5NfjXWCJ5Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:39.615888Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09848","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f39094126f8af67281e1ea942684115791441a935e0a3237bd957109efb9567","sha256:0672fb0b9f78975e5c22e42b4ea71fb45569411bd1555d075e7013a5de365e34"],"state_sha256":"61a85da75ebaa14887121c5566c59f3b1a5eb4951daaf646fa3ab821461352e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w3Dv5xFkIRicXUGPfxnApbHVVCJH5ii43D8swsUa8muuOiTigAC9L7JFRei1vaeUGAc/gSA/Tq7QI9HHSvKtCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:46:34.068874Z","bundle_sha256":"7fb25522569b482c275942926249f78be44367a5b8990a3888129ea3d4b4f5c8"}}