{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UVI7MELT3DKWKI63J27GOJ4TQD","short_pith_number":"pith:UVI7MELT","canonical_record":{"source":{"id":"2605.21912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-21T02:33:30Z","cross_cats_sorted":[],"title_canon_sha256":"7520359f74073f9a86cf97b9061dff909843d02ff66e6e2e412c8bcb1942118e","abstract_canon_sha256":"ac07512796d71c93d72267f0de3cba1bcf37b10b94957d913663cf09869aa337"},"schema_version":"1.0"},"canonical_sha256":"a551f61173d8d56523db4ebe67279380d23ad139934b109de4f6a21ebb705446","source":{"kind":"arxiv","id":"2605.21912","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21912","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21912v1","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21912","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_12","alias_value":"UVI7MELT3DKW","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_16","alias_value":"UVI7MELT3DKWKI63","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_8","alias_value":"UVI7MELT","created_at":"2026-05-22T01:04:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UVI7MELT3DKWKI63J27GOJ4TQD","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21912","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-21T02:33:30Z","cross_cats_sorted":[],"title_canon_sha256":"7520359f74073f9a86cf97b9061dff909843d02ff66e6e2e412c8bcb1942118e","abstract_canon_sha256":"ac07512796d71c93d72267f0de3cba1bcf37b10b94957d913663cf09869aa337"},"schema_version":"1.0"},"canonical_sha256":"a551f61173d8d56523db4ebe67279380d23ad139934b109de4f6a21ebb705446","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:04:14.178067Z","signature_b64":"CrTjXCmiT2mtD6OJ2eeM0cP93yDZoDnB3XC/KwbX08AhEG/0mJw50nHVlcEvTN8OcHdNhuthcjmGown1xS1nAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a551f61173d8d56523db4ebe67279380d23ad139934b109de4f6a21ebb705446","last_reissued_at":"2026-05-22T01:04:14.177183Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:04:14.177183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21912","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":"2026-05-22T01:04:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYS/lqrkoAOpNoQlgDcMtyMVGIheK+eFx66Sq/tuGkD7XQ9HREDz1r3CzMU1/UXPG36FhjkAmlyCwxP/uEzJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:57:39.610376Z"},"content_sha256":"7ef4e1f384480de37e03b84c927730abd5e309467f367d2ad246531301674abb","schema_version":"1.0","event_id":"sha256:7ef4e1f384480de37e03b84c927730abd5e309467f367d2ad246531301674abb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UVI7MELT3DKWKI63J27GOJ4TQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emerging memory technologies at room/cryogenic temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Siddhartha Raman Sundara Raman","submitted_at":"2026-05-21T02:33:30Z","abstract_excerpt":"As conventional technology scaling approaches physical and power limitations, modern computing systems increasingly face performance bottlenecks arising from memory latency, energy consumption, scalability constraints, and data movement overheads. Simultaneously, emerging workloads such as machine learning, graph analytics, and scientific computing demand memory technologies with higher bandwidth, lower latency, improved energy efficiency, and greater storage density. These challenges have motivated extensive research into both room-temperature memories and cryogenic memory systems targeted to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21912","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/2605.21912/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":"2026-05-22T01:04:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WOJ7tMWJaxbe2QXgP60d5/j4ODLMmpiZsu2IB/C/EPKW7kjzTlQQ+Kt0IcV/JgvfjsFoMWIRoOLAba4wGBezAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:57:39.611067Z"},"content_sha256":"7fd26e637d75327fd37607b255aa54ae1cbdef1eb2c77c39e859b678397e3ac5","schema_version":"1.0","event_id":"sha256:7fd26e637d75327fd37607b255aa54ae1cbdef1eb2c77c39e859b678397e3ac5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVI7MELT3DKWKI63J27GOJ4TQD/bundle.json","state_url":"https://pith.science/pith/UVI7MELT3DKWKI63J27GOJ4TQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVI7MELT3DKWKI63J27GOJ4TQD/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":"2026-05-27T04:57:39Z","links":{"resolver":"https://pith.science/pith/UVI7MELT3DKWKI63J27GOJ4TQD","bundle":"https://pith.science/pith/UVI7MELT3DKWKI63J27GOJ4TQD/bundle.json","state":"https://pith.science/pith/UVI7MELT3DKWKI63J27GOJ4TQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVI7MELT3DKWKI63J27GOJ4TQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UVI7MELT3DKWKI63J27GOJ4TQD","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":"ac07512796d71c93d72267f0de3cba1bcf37b10b94957d913663cf09869aa337","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-21T02:33:30Z","title_canon_sha256":"7520359f74073f9a86cf97b9061dff909843d02ff66e6e2e412c8bcb1942118e"},"schema_version":"1.0","source":{"id":"2605.21912","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21912","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21912v1","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21912","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_12","alias_value":"UVI7MELT3DKW","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_16","alias_value":"UVI7MELT3DKWKI63","created_at":"2026-05-22T01:04:14Z"},{"alias_kind":"pith_short_8","alias_value":"UVI7MELT","created_at":"2026-05-22T01:04:14Z"}],"graph_snapshots":[{"event_id":"sha256:7fd26e637d75327fd37607b255aa54ae1cbdef1eb2c77c39e859b678397e3ac5","target":"graph","created_at":"2026-05-22T01:04:14Z","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/2605.21912/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As conventional technology scaling approaches physical and power limitations, modern computing systems increasingly face performance bottlenecks arising from memory latency, energy consumption, scalability constraints, and data movement overheads. Simultaneously, emerging workloads such as machine learning, graph analytics, and scientific computing demand memory technologies with higher bandwidth, lower latency, improved energy efficiency, and greater storage density. These challenges have motivated extensive research into both room-temperature memories and cryogenic memory systems targeted to","authors_text":"Siddhartha Raman Sundara Raman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-21T02:33:30Z","title":"Emerging memory technologies at room/cryogenic temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21912","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":"sha256:7ef4e1f384480de37e03b84c927730abd5e309467f367d2ad246531301674abb","target":"record","created_at":"2026-05-22T01:04:14Z","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":"ac07512796d71c93d72267f0de3cba1bcf37b10b94957d913663cf09869aa337","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2026-05-21T02:33:30Z","title_canon_sha256":"7520359f74073f9a86cf97b9061dff909843d02ff66e6e2e412c8bcb1942118e"},"schema_version":"1.0","source":{"id":"2605.21912","kind":"arxiv","version":1}},"canonical_sha256":"a551f61173d8d56523db4ebe67279380d23ad139934b109de4f6a21ebb705446","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a551f61173d8d56523db4ebe67279380d23ad139934b109de4f6a21ebb705446","first_computed_at":"2026-05-22T01:04:14.177183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:04:14.177183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CrTjXCmiT2mtD6OJ2eeM0cP93yDZoDnB3XC/KwbX08AhEG/0mJw50nHVlcEvTN8OcHdNhuthcjmGown1xS1nAg==","signature_status":"signed_v1","signed_at":"2026-05-22T01:04:14.178067Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21912","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ef4e1f384480de37e03b84c927730abd5e309467f367d2ad246531301674abb","sha256:7fd26e637d75327fd37607b255aa54ae1cbdef1eb2c77c39e859b678397e3ac5"],"state_sha256":"a851b9a448ad8a5c5efb4b3bbe333cdcdb8049285a3989404a56dd48b93d0a6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FjWHj5dmJr0DnnjA27cbuVvSLo0BnGjhaQgL8FofPTERHWPuVzbZ0i7TFHN+y7gOcHiFvwImP3Aokz4qg/wOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:57:39.614551Z","bundle_sha256":"b974ea95d6d490c987595d463d5e2cc273f9f34169466b609ce612d3e35f4c14"}}