{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:J6I32DI6NQ6UADPLWQC2RDHE4E","short_pith_number":"pith:J6I32DI6","canonical_record":{"source":{"id":"cond-mat/0508289","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"92ac888216fe3cedbc6c588ebdfb3093c64af564346eebdeab7c6ec7d2287b82","abstract_canon_sha256":"091ae410c039a42353ad0e1a162b69903918e2583929b89f75a868a00a1404ed"},"schema_version":"1.0"},"canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","source":{"kind":"arxiv","id":"cond-mat/0508289","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0508289","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508289v1","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508289","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_12","alias_value":"J6I32DI6NQ6U","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_16","alias_value":"J6I32DI6NQ6UADPL","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_8","alias_value":"J6I32DI6","created_at":"2026-07-04T16:54:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:J6I32DI6NQ6UADPLWQC2RDHE4E","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0508289","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"92ac888216fe3cedbc6c588ebdfb3093c64af564346eebdeab7c6ec7d2287b82","abstract_canon_sha256":"091ae410c039a42353ad0e1a162b69903918e2583929b89f75a868a00a1404ed"},"schema_version":"1.0"},"canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:54:23.249651Z","signature_b64":"aUfZk+yBv1uhWqmQ5K7dbkcsCLxuvKjTAOofk/UJ3wtviZ6juCyIJLjUo9TQVv4kNc3t8HSO/lA8AV32UsNgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","last_reissued_at":"2026-07-04T16:54:23.249288Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:54:23.249288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0508289","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":"2026-07-04T16:54:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gc/tjAPR0D/5PlB7oiM7//UxGUQF1bT2fnZyKMophEgYO8IEcAp0yGkUxr1kyICcC+mbZdb1ZMgi5hP3+/u4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:56:15.263747Z"},"content_sha256":"c566828ea7f540a4b4249577d589d25aea03d4b2bee7b5dfd1f526b760246ffb","schema_version":"1.0","event_id":"sha256:c566828ea7f540a4b4249577d589d25aea03d4b2bee7b5dfd1f526b760246ffb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:J6I32DI6NQ6UADPLWQC2RDHE4E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Co-doped (La,Sr)TiO3-d: a high-Curie temperature diluted magnetic system with large spin-polarization","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Barthelemy, A. Fert, A. Hamzic, C. Colliex, E. Jacquet, E. Tafra, F. Wyczisk, G. Herranz, H. Jaffres, J. L. Maurice, J.-P. Contour, K. Bouzehouane, M. Basletic, M. Bibes, R. Ranchal","submitted_at":"2005-08-11T15:41:28Z","abstract_excerpt":"We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La,Sr)TiO3-d (Co-LSTO), a ferromagnetic diluted magnetic oxide system (DMOS) with high Curie temperature. These TMR experiments have been performed on magnetic tunnel junctions associating Co-LSTO and Co electrodes. Extensive structural analysis of Co-LSTO combining high-resolution transmission electron microscopy and Auger electron spectroscopy excluded the presence of Co clusters in the Co-LSTO layer and thus, the measured ferromagnetism and high spin pola"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508289","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/cond-mat/0508289/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":"2026-07-04T16:54:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nVefPgAnqP+tSeFF1qwnho0G9awfizYI8TEoeqsDXxClFX1yZlvgkAefpDTqwkQkN4w4wkRYMT12vAzZzzcrBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:56:15.264177Z"},"content_sha256":"5fb99325502e9739558d20b2b0ad9d7029b00c637d9282d802ad95e47f06acbb","schema_version":"1.0","event_id":"sha256:5fb99325502e9739558d20b2b0ad9d7029b00c637d9282d802ad95e47f06acbb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/bundle.json","state_url":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/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":"2026-07-07T04:56:15Z","links":{"resolver":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E","bundle":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/bundle.json","state":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:J6I32DI6NQ6UADPLWQC2RDHE4E","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":"091ae410c039a42353ad0e1a162b69903918e2583929b89f75a868a00a1404ed","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","title_canon_sha256":"92ac888216fe3cedbc6c588ebdfb3093c64af564346eebdeab7c6ec7d2287b82"},"schema_version":"1.0","source":{"id":"cond-mat/0508289","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0508289","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508289v1","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508289","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_12","alias_value":"J6I32DI6NQ6U","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_16","alias_value":"J6I32DI6NQ6UADPL","created_at":"2026-07-04T16:54:23Z"},{"alias_kind":"pith_short_8","alias_value":"J6I32DI6","created_at":"2026-07-04T16:54:23Z"}],"graph_snapshots":[{"event_id":"sha256:5fb99325502e9739558d20b2b0ad9d7029b00c637d9282d802ad95e47f06acbb","target":"graph","created_at":"2026-07-04T16:54:23Z","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/cond-mat/0508289/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La,Sr)TiO3-d (Co-LSTO), a ferromagnetic diluted magnetic oxide system (DMOS) with high Curie temperature. These TMR experiments have been performed on magnetic tunnel junctions associating Co-LSTO and Co electrodes. Extensive structural analysis of Co-LSTO combining high-resolution transmission electron microscopy and Auger electron spectroscopy excluded the presence of Co clusters in the Co-LSTO layer and thus, the measured ferromagnetism and high spin pola","authors_text":"A. Barthelemy, A. Fert, A. Hamzic, C. Colliex, E. Jacquet, E. Tafra, F. Wyczisk, G. Herranz, H. Jaffres, J. L. Maurice, J.-P. Contour, K. Bouzehouane, M. Basletic, M. Bibes, R. Ranchal","cross_cats":["cond-mat.str-el"],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","title":"Co-doped (La,Sr)TiO3-d: a high-Curie temperature diluted magnetic system with large spin-polarization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508289","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:c566828ea7f540a4b4249577d589d25aea03d4b2bee7b5dfd1f526b760246ffb","target":"record","created_at":"2026-07-04T16:54:23Z","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":"091ae410c039a42353ad0e1a162b69903918e2583929b89f75a868a00a1404ed","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","title_canon_sha256":"92ac888216fe3cedbc6c588ebdfb3093c64af564346eebdeab7c6ec7d2287b82"},"schema_version":"1.0","source":{"id":"cond-mat/0508289","kind":"arxiv","version":1}},"canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","first_computed_at":"2026-07-04T16:54:23.249288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:54:23.249288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aUfZk+yBv1uhWqmQ5K7dbkcsCLxuvKjTAOofk/UJ3wtviZ6juCyIJLjUo9TQVv4kNc3t8HSO/lA8AV32UsNgAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:54:23.249651Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0508289","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c566828ea7f540a4b4249577d589d25aea03d4b2bee7b5dfd1f526b760246ffb","sha256:5fb99325502e9739558d20b2b0ad9d7029b00c637d9282d802ad95e47f06acbb"],"state_sha256":"a108e9cb5a7b6b9fee234abd1d9c672287374c6769dca8e0953885e184e5ebe3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rzoD2CR9HzKWV1HOUGc3T12cj7Dxy38okh1+NfzUA2wf4T4wjDjn3pGHmkFUNZ93bxyTRZoxfLr56q7I3ArTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:56:15.266638Z","bundle_sha256":"e61d6f15330818248bfab4f9d15ee849c9e7b65cae82188b316963ede78ecfa1"}}