{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TXXPASXVFOS5MPASD2UD2TRDYM","short_pith_number":"pith:TXXPASXV","canonical_record":{"source":{"id":"1104.1821","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-04-11T00:57:03Z","cross_cats_sorted":[],"title_canon_sha256":"6519557f569a882c7de34f0a660fa468e72c4f35c8218faa7b3199495b838861","abstract_canon_sha256":"f36ed88427a4d2a54e0946fdfbd09ad443fd26b177cf90cd3e8234e9e2ac6b99"},"schema_version":"1.0"},"canonical_sha256":"9deef04af52ba5d63c121ea83d4e23c323f2a3fc2e6071b1e8a3b9578bb0bcce","source":{"kind":"arxiv","id":"1104.1821","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1821","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1821v1","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1821","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"TXXPASXVFOS5","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TXXPASXVFOS5MPAS","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TXXPASXV","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TXXPASXVFOS5MPASD2UD2TRDYM","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1821","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-04-11T00:57:03Z","cross_cats_sorted":[],"title_canon_sha256":"6519557f569a882c7de34f0a660fa468e72c4f35c8218faa7b3199495b838861","abstract_canon_sha256":"f36ed88427a4d2a54e0946fdfbd09ad443fd26b177cf90cd3e8234e9e2ac6b99"},"schema_version":"1.0"},"canonical_sha256":"9deef04af52ba5d63c121ea83d4e23c323f2a3fc2e6071b1e8a3b9578bb0bcce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:33.978830Z","signature_b64":"qKEM6b9xA1UMb12mUazQ2xH9Qz7kUEu8MZSOTrr0Dflrl3jdV9ycA46bbIF7Ns8nu4sLhToBwhpQtEPiuBYsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9deef04af52ba5d63c121ea83d4e23c323f2a3fc2e6071b1e8a3b9578bb0bcce","last_reissued_at":"2026-05-18T04:23:33.978235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:33.978235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1821","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":"2026-05-18T04:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L7+gnJurGBPAJS6d+hLB7jJMncIceXGoICi8f1oyoBG9SKcJlxrDfaeYTRCK3BmEegmZsrKW1Z/CQ4C+eI8aAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:46:03.938917Z"},"content_sha256":"8ef949b69953ff2e215a2b5f990ffad2e88999cad595dfa82e7d1e62b38f6d29","schema_version":"1.0","event_id":"sha256:8ef949b69953ff2e215a2b5f990ffad2e88999cad595dfa82e7d1e62b38f6d29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TXXPASXVFOS5MPASD2UD2TRDYM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin caloritronics in magnetic tunnel junctions: Ab initio studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Christian Heiliger, Michael Bachmann, Michael Czerner","submitted_at":"2011-04-11T00:57:03Z","abstract_excerpt":"This Letter presents ab initio calculations of the magneto-thermoelectric power (MTEP) and of the spin-Seebeck coefficient in MgO based tunnel junctions with Fe and Co leads. In addition, the normal thermopower is calculated and gives for pure Fe and Co an quantitative agreement with experiments. Consequently, the calculated values in tunnel junctions are a good estimation of upper limits. In particular, spin-Seebeck coefficients of more than 100 \\mu V/K are possible. The MTEP ratio exceed several 1000% and depends strongly on temperature. In the case of Fe leads the MTEP ratio diverges even t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1821","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":"2026-05-18T04:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Hfm6hfm0cggqXiiOEdVvxc2on3MQN20dcYmx5xSephN6bM/dSrsCIkJaqdkWeBlhKA397KUofqJvuzQnFqqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:46:03.939618Z"},"content_sha256":"b6e5e1fecaedfa588723776de643976c8ddb8537cf772be3151f001c2bf70f8c","schema_version":"1.0","event_id":"sha256:b6e5e1fecaedfa588723776de643976c8ddb8537cf772be3151f001c2bf70f8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TXXPASXVFOS5MPASD2UD2TRDYM/bundle.json","state_url":"https://pith.science/pith/TXXPASXVFOS5MPASD2UD2TRDYM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TXXPASXVFOS5MPASD2UD2TRDYM/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":"2026-05-27T20:46:03Z","links":{"resolver":"https://pith.science/pith/TXXPASXVFOS5MPASD2UD2TRDYM","bundle":"https://pith.science/pith/TXXPASXVFOS5MPASD2UD2TRDYM/bundle.json","state":"https://pith.science/pith/TXXPASXVFOS5MPASD2UD2TRDYM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TXXPASXVFOS5MPASD2UD2TRDYM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TXXPASXVFOS5MPASD2UD2TRDYM","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":"f36ed88427a4d2a54e0946fdfbd09ad443fd26b177cf90cd3e8234e9e2ac6b99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-04-11T00:57:03Z","title_canon_sha256":"6519557f569a882c7de34f0a660fa468e72c4f35c8218faa7b3199495b838861"},"schema_version":"1.0","source":{"id":"1104.1821","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1821","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1821v1","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1821","created_at":"2026-05-18T04:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"TXXPASXVFOS5","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TXXPASXVFOS5MPAS","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TXXPASXV","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:b6e5e1fecaedfa588723776de643976c8ddb8537cf772be3151f001c2bf70f8c","target":"graph","created_at":"2026-05-18T04:23:33Z","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":"This Letter presents ab initio calculations of the magneto-thermoelectric power (MTEP) and of the spin-Seebeck coefficient in MgO based tunnel junctions with Fe and Co leads. In addition, the normal thermopower is calculated and gives for pure Fe and Co an quantitative agreement with experiments. Consequently, the calculated values in tunnel junctions are a good estimation of upper limits. In particular, spin-Seebeck coefficients of more than 100 \\mu V/K are possible. The MTEP ratio exceed several 1000% and depends strongly on temperature. In the case of Fe leads the MTEP ratio diverges even t","authors_text":"Christian Heiliger, Michael Bachmann, Michael Czerner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-04-11T00:57:03Z","title":"Spin caloritronics in magnetic tunnel junctions: Ab initio studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1821","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":"sha256:8ef949b69953ff2e215a2b5f990ffad2e88999cad595dfa82e7d1e62b38f6d29","target":"record","created_at":"2026-05-18T04:23:33Z","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":"f36ed88427a4d2a54e0946fdfbd09ad443fd26b177cf90cd3e8234e9e2ac6b99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-04-11T00:57:03Z","title_canon_sha256":"6519557f569a882c7de34f0a660fa468e72c4f35c8218faa7b3199495b838861"},"schema_version":"1.0","source":{"id":"1104.1821","kind":"arxiv","version":1}},"canonical_sha256":"9deef04af52ba5d63c121ea83d4e23c323f2a3fc2e6071b1e8a3b9578bb0bcce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9deef04af52ba5d63c121ea83d4e23c323f2a3fc2e6071b1e8a3b9578bb0bcce","first_computed_at":"2026-05-18T04:23:33.978235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:33.978235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qKEM6b9xA1UMb12mUazQ2xH9Qz7kUEu8MZSOTrr0Dflrl3jdV9ycA46bbIF7Ns8nu4sLhToBwhpQtEPiuBYsBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:33.978830Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1821","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ef949b69953ff2e215a2b5f990ffad2e88999cad595dfa82e7d1e62b38f6d29","sha256:b6e5e1fecaedfa588723776de643976c8ddb8537cf772be3151f001c2bf70f8c"],"state_sha256":"d1c3a3a063eed5bf24a17bb2446530419d0b6522e071cdb4d8c00616839132cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJaBZIvBtGdaCpU8eEoVThNu9BZ92+O9lKlKULtycDbjSY0HYiq87VMGmND0T+lhRgzv2FzuroauK4+c0a8PBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:46:03.943549Z","bundle_sha256":"3b3e93daee10053455c89d3ad2140a03266a4a07be3660a873008534eba7da00"}}