{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CE55A3KK3TGE5USDNYL5MLP7O2","short_pith_number":"pith:CE55A3KK","canonical_record":{"source":{"id":"0905.4573","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-28T08:34:44Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9851a4b130bc21a74a7738254ba83117632ec72e6735cb79b59bf53dc6e07f72","abstract_canon_sha256":"556dcc6022690776fa23bab8471037ba0523bf5bec036e48026a242c22170d91"},"schema_version":"1.0"},"canonical_sha256":"113bd06d4adccc4ed2436e17d62dff768c6977dd57a52b7f9e94f2167d936398","source":{"kind":"arxiv","id":"0905.4573","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4573","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4573v2","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4573","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"pith_short_12","alias_value":"CE55A3KK3TGE","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CE55A3KK3TGE5USD","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CE55A3KK","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CE55A3KK3TGE5USDNYL5MLP7O2","target":"record","payload":{"canonical_record":{"source":{"id":"0905.4573","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-28T08:34:44Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"9851a4b130bc21a74a7738254ba83117632ec72e6735cb79b59bf53dc6e07f72","abstract_canon_sha256":"556dcc6022690776fa23bab8471037ba0523bf5bec036e48026a242c22170d91"},"schema_version":"1.0"},"canonical_sha256":"113bd06d4adccc4ed2436e17d62dff768c6977dd57a52b7f9e94f2167d936398","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:37.986628Z","signature_b64":"6wE5Mwte0iOGpcGrWluvYSdaoZjXJDkKHFHmJqHk+s8gC6n+EiAdhbyZsX7m3oArPyqGN92kWTsUc8k4oT3PBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"113bd06d4adccc4ed2436e17d62dff768c6977dd57a52b7f9e94f2167d936398","last_reissued_at":"2026-05-18T03:23:37.985906Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:37.985906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.4573","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":"2026-05-18T03:23:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aTr3zPkQ3gCged4g++4nMa1lBf5vt1Q7KIwvaHFYtGM9+Xr2hALwYp4LninDSlqnCTIyJzxq1tZwI6Nh5XZ1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:04:48.172793Z"},"content_sha256":"981d81032486b2016d10f9905ee54d142d23c0030922b0e83f6c53706b371bb7","schema_version":"1.0","event_id":"sha256:981d81032486b2016d10f9905ee54d142d23c0030922b0e83f6c53706b371bb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CE55A3KK3TGE5USDNYL5MLP7O2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunneling anisotropic magnetoresistance in organic spin valves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Gould, F. Wuerthner, G. Schmidt, L. W. Molenkamp, M. Gruenewald, M. Michelfeit, M. Wahler, R. Schmidt","submitted_at":"2009-05-28T08:34:44Z","abstract_excerpt":"We report the observation of tunneling anisotropic magnetoresistance (TAMR) in an organic spin-valve-like structure with only one ferromagnetic electrode. The device is based on a new high mobility perylene diimide-based n-type organic semiconductor. The effect originates from the tunneling injection from the LSMO contact and can thus occur even for organic layers which are too thick to support the assumption of tunneling through the layer. Magnetoresistance measurements show a clear spin-valve signal, with the typical two step switching pattern caused by the magnetocrystalline anisotropy of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4573","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":"2026-05-18T03:23:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cEKJHg0lmixguTBDeI2igUAGT9LbAR50bv83/K+GH4F1Y0Nu/Xsc9Hxo/lb2ko8+jPiVLsKpzq8WIL4IBKhVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:04:48.173456Z"},"content_sha256":"fdecfd7305e95db1a8a75758d8e70adf6c60d0ccb210568b4e251af49115d176","schema_version":"1.0","event_id":"sha256:fdecfd7305e95db1a8a75758d8e70adf6c60d0ccb210568b4e251af49115d176"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CE55A3KK3TGE5USDNYL5MLP7O2/bundle.json","state_url":"https://pith.science/pith/CE55A3KK3TGE5USDNYL5MLP7O2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CE55A3KK3TGE5USDNYL5MLP7O2/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":"2026-05-26T20:04:48Z","links":{"resolver":"https://pith.science/pith/CE55A3KK3TGE5USDNYL5MLP7O2","bundle":"https://pith.science/pith/CE55A3KK3TGE5USDNYL5MLP7O2/bundle.json","state":"https://pith.science/pith/CE55A3KK3TGE5USDNYL5MLP7O2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CE55A3KK3TGE5USDNYL5MLP7O2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CE55A3KK3TGE5USDNYL5MLP7O2","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":"556dcc6022690776fa23bab8471037ba0523bf5bec036e48026a242c22170d91","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-28T08:34:44Z","title_canon_sha256":"9851a4b130bc21a74a7738254ba83117632ec72e6735cb79b59bf53dc6e07f72"},"schema_version":"1.0","source":{"id":"0905.4573","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.4573","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"arxiv_version","alias_value":"0905.4573v2","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.4573","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"pith_short_12","alias_value":"CE55A3KK3TGE","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CE55A3KK3TGE5USD","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CE55A3KK","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:fdecfd7305e95db1a8a75758d8e70adf6c60d0ccb210568b4e251af49115d176","target":"graph","created_at":"2026-05-18T03:23:37Z","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":"We report the observation of tunneling anisotropic magnetoresistance (TAMR) in an organic spin-valve-like structure with only one ferromagnetic electrode. The device is based on a new high mobility perylene diimide-based n-type organic semiconductor. The effect originates from the tunneling injection from the LSMO contact and can thus occur even for organic layers which are too thick to support the assumption of tunneling through the layer. Magnetoresistance measurements show a clear spin-valve signal, with the typical two step switching pattern caused by the magnetocrystalline anisotropy of t","authors_text":"C. Gould, F. Wuerthner, G. Schmidt, L. W. Molenkamp, M. Gruenewald, M. Michelfeit, M. Wahler, R. Schmidt","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-28T08:34:44Z","title":"Tunneling anisotropic magnetoresistance in organic spin valves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.4573","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":"sha256:981d81032486b2016d10f9905ee54d142d23c0030922b0e83f6c53706b371bb7","target":"record","created_at":"2026-05-18T03:23:37Z","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":"556dcc6022690776fa23bab8471037ba0523bf5bec036e48026a242c22170d91","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-05-28T08:34:44Z","title_canon_sha256":"9851a4b130bc21a74a7738254ba83117632ec72e6735cb79b59bf53dc6e07f72"},"schema_version":"1.0","source":{"id":"0905.4573","kind":"arxiv","version":2}},"canonical_sha256":"113bd06d4adccc4ed2436e17d62dff768c6977dd57a52b7f9e94f2167d936398","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"113bd06d4adccc4ed2436e17d62dff768c6977dd57a52b7f9e94f2167d936398","first_computed_at":"2026-05-18T03:23:37.985906Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:37.985906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6wE5Mwte0iOGpcGrWluvYSdaoZjXJDkKHFHmJqHk+s8gC6n+EiAdhbyZsX7m3oArPyqGN92kWTsUc8k4oT3PBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:37.986628Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.4573","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:981d81032486b2016d10f9905ee54d142d23c0030922b0e83f6c53706b371bb7","sha256:fdecfd7305e95db1a8a75758d8e70adf6c60d0ccb210568b4e251af49115d176"],"state_sha256":"c90b610d3b026363d248152d5072a635e3ccc49a0f2514486f1cf2762efdc8bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dA3yCCsHed16aHeLEk7tzWOOZ0RW7+ZVEURvaJf7mOuJ2d0zGd5J3EZkG1esyfNTehkOTaEqvuiOawHsjccnAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:04:48.176828Z","bundle_sha256":"e94d214c56d780ab536fa438b79d3f32657a7ce3488786990856d2cbdd4ce6b9"}}