{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7Y3SFMYQWZXJZLPOJWUCBAY5JQ","short_pith_number":"pith:7Y3SFMYQ","canonical_record":{"source":{"id":"1504.00940","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-04-03T21:03:54Z","cross_cats_sorted":[],"title_canon_sha256":"7fb24143621eed1371985ac02cc000243adb6ccf8657afc7949b439c556ccb5e","abstract_canon_sha256":"43a3e975f8883c5cf4c16f86bb09f240a8e87d4f32c6b3358932a23a9499be91"},"schema_version":"1.0"},"canonical_sha256":"fe3722b310b66e9cadee4da820831d4c370ea77975d0fd413a3a8db8b1f3075e","source":{"kind":"arxiv","id":"1504.00940","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00940","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00940v1","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00940","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"7Y3SFMYQWZXJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7Y3SFMYQWZXJZLPO","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7Y3SFMYQ","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7Y3SFMYQWZXJZLPOJWUCBAY5JQ","target":"record","payload":{"canonical_record":{"source":{"id":"1504.00940","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-04-03T21:03:54Z","cross_cats_sorted":[],"title_canon_sha256":"7fb24143621eed1371985ac02cc000243adb6ccf8657afc7949b439c556ccb5e","abstract_canon_sha256":"43a3e975f8883c5cf4c16f86bb09f240a8e87d4f32c6b3358932a23a9499be91"},"schema_version":"1.0"},"canonical_sha256":"fe3722b310b66e9cadee4da820831d4c370ea77975d0fd413a3a8db8b1f3075e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:22.158985Z","signature_b64":"L2e0eV+Ifdgt4g7R04Aj8zjvOc4xBX3UMvZv3cegzXa8M6yBal9WZlM6cZ4cadLPpTrIw01kl42vtOdMIafCBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe3722b310b66e9cadee4da820831d4c370ea77975d0fd413a3a8db8b1f3075e","last_reissued_at":"2026-05-18T01:36:22.158201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:22.158201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.00940","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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SGdbnpF+eUfHDHF7yTSyKl4OgiU/ObvLqxjXlN+PI/u+mk7+O63sW9rglOgkKZhzRZdze4jkXvAIz5kIq8YPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:37:02.303717Z"},"content_sha256":"e9276094dd967ef8fcbb55dbf10e7de66476fdb3b20e1229026068c866d90d65","schema_version":"1.0","event_id":"sha256:e9276094dd967ef8fcbb55dbf10e7de66476fdb3b20e1229026068c866d90d65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7Y3SFMYQWZXJZLPOJWUCBAY5JQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Straintronic spin-neuron","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ayan K. Biswas, Jayasimha Atulasimha, Supriyo Bandyopadhyay","submitted_at":"2015-04-03T21:03:54Z","abstract_excerpt":"In artificial neural networks, neurons are usually implemented with highly dissipative CMOS-based operational amplifiers. A more energy-efficient implementation is a 'spin-neuron' realized with a magneto-tunneling junction (MTJ) that is switched with a spin-polarized current (representing weighted sum of input currents) that either delivers a spin transfer torque or induces domain wall motion in the soft layer of the MTJ. Here, we propose and analyze a different type of spin-neuron in which the soft layer of the MTJ is switched with mechanical strain generated by a voltage (representing weight"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00940","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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3YuBNkNEwN8In5J93J9acL6EV3b3HPaO4TJL+6V8WKfBvtrj2n9Nj+c+Q3nW+0yx2zefKO/DxwAm9xx3ruhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:37:02.304068Z"},"content_sha256":"f3458701857f4dafc689d85a9f5d3b349c879a823b290e4dcd1e6f38b04a6735","schema_version":"1.0","event_id":"sha256:f3458701857f4dafc689d85a9f5d3b349c879a823b290e4dcd1e6f38b04a6735"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/bundle.json","state_url":"https://pith.science/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/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":"2026-06-01T23:37:02Z","links":{"resolver":"https://pith.science/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ","bundle":"https://pith.science/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/bundle.json","state":"https://pith.science/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7Y3SFMYQWZXJZLPOJWUCBAY5JQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7Y3SFMYQWZXJZLPOJWUCBAY5JQ","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":"43a3e975f8883c5cf4c16f86bb09f240a8e87d4f32c6b3358932a23a9499be91","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-04-03T21:03:54Z","title_canon_sha256":"7fb24143621eed1371985ac02cc000243adb6ccf8657afc7949b439c556ccb5e"},"schema_version":"1.0","source":{"id":"1504.00940","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00940","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00940v1","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00940","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"7Y3SFMYQWZXJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7Y3SFMYQWZXJZLPO","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7Y3SFMYQ","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:f3458701857f4dafc689d85a9f5d3b349c879a823b290e4dcd1e6f38b04a6735","target":"graph","created_at":"2026-05-18T01:36:22Z","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":"In artificial neural networks, neurons are usually implemented with highly dissipative CMOS-based operational amplifiers. A more energy-efficient implementation is a 'spin-neuron' realized with a magneto-tunneling junction (MTJ) that is switched with a spin-polarized current (representing weighted sum of input currents) that either delivers a spin transfer torque or induces domain wall motion in the soft layer of the MTJ. Here, we propose and analyze a different type of spin-neuron in which the soft layer of the MTJ is switched with mechanical strain generated by a voltage (representing weight","authors_text":"Ayan K. Biswas, Jayasimha Atulasimha, Supriyo Bandyopadhyay","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-04-03T21:03:54Z","title":"Straintronic spin-neuron"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00940","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:e9276094dd967ef8fcbb55dbf10e7de66476fdb3b20e1229026068c866d90d65","target":"record","created_at":"2026-05-18T01:36:22Z","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":"43a3e975f8883c5cf4c16f86bb09f240a8e87d4f32c6b3358932a23a9499be91","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-04-03T21:03:54Z","title_canon_sha256":"7fb24143621eed1371985ac02cc000243adb6ccf8657afc7949b439c556ccb5e"},"schema_version":"1.0","source":{"id":"1504.00940","kind":"arxiv","version":1}},"canonical_sha256":"fe3722b310b66e9cadee4da820831d4c370ea77975d0fd413a3a8db8b1f3075e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe3722b310b66e9cadee4da820831d4c370ea77975d0fd413a3a8db8b1f3075e","first_computed_at":"2026-05-18T01:36:22.158201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:22.158201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L2e0eV+Ifdgt4g7R04Aj8zjvOc4xBX3UMvZv3cegzXa8M6yBal9WZlM6cZ4cadLPpTrIw01kl42vtOdMIafCBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:22.158985Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.00940","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9276094dd967ef8fcbb55dbf10e7de66476fdb3b20e1229026068c866d90d65","sha256:f3458701857f4dafc689d85a9f5d3b349c879a823b290e4dcd1e6f38b04a6735"],"state_sha256":"3e1d9734086d895b6a047f2b402dfea8c454fe12e563f40221be7604af57ad5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCE+R8/UPXoy4pWmCnJa7GTI+k8lDzvwmdGOTpojG9GkSmo7fJyAQnhk+dabtsvw3u2GPuG1BJOhZE1jLDyuCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:37:02.306411Z","bundle_sha256":"a4bf7d13bfbb7cee2437535b0687a58cf4c5ce66e3ca30f1f2831acbaaf652c7"}}