{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:XOTNROVMC6XB6HIJXZFKXDEFRT","short_pith_number":"pith:XOTNROVM","canonical_record":{"source":{"id":"2508.14270","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-19T20:58:27Z","cross_cats_sorted":[],"title_canon_sha256":"24f001e778d0da0cf4a86ce4c36bdb18543876568664135ef70e20bb1d9be2af","abstract_canon_sha256":"c8ea6261bd3d0ceda27e5559c812e99943cdcd961eeacc13575dfeed3dbdcc64"},"schema_version":"1.0"},"canonical_sha256":"bba6d8baac17ae1f1d09be4aab8c858cdf45ba782f8275eff1db911d6b320705","source":{"kind":"arxiv","id":"2508.14270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.14270","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"arxiv_version","alias_value":"2508.14270v1","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.14270","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_12","alias_value":"XOTNROVMC6XB","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_16","alias_value":"XOTNROVMC6XB6HIJ","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_8","alias_value":"XOTNROVM","created_at":"2026-06-19T16:12:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:XOTNROVMC6XB6HIJXZFKXDEFRT","target":"record","payload":{"canonical_record":{"source":{"id":"2508.14270","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-19T20:58:27Z","cross_cats_sorted":[],"title_canon_sha256":"24f001e778d0da0cf4a86ce4c36bdb18543876568664135ef70e20bb1d9be2af","abstract_canon_sha256":"c8ea6261bd3d0ceda27e5559c812e99943cdcd961eeacc13575dfeed3dbdcc64"},"schema_version":"1.0"},"canonical_sha256":"bba6d8baac17ae1f1d09be4aab8c858cdf45ba782f8275eff1db911d6b320705","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:14.731248Z","signature_b64":"l8qYpBfAGOvhCFC7Rq0adKfxaOpTdSJWS1iI6rxaD9sW1NYZodzKaN3j8hcTlktYSZIEqoKi5os6dY3do624Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bba6d8baac17ae1f1d09be4aab8c858cdf45ba782f8275eff1db911d6b320705","last_reissued_at":"2026-06-19T16:12:14.730838Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:14.730838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.14270","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":"2026-06-19T16:12:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P+BdcDT0q/etjGiwPC7u9ox++IYjpFHKGX0M9ei8filc305mCyQE7/CZ28VMdb/3EiM9DDgYaiu3tOtcjuYPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:52:43.587796Z"},"content_sha256":"1f72fadba67502c876b6e72446809261dac83b030d6745a8da7de83a831c49ce","schema_version":"1.0","event_id":"sha256:1f72fadba67502c876b6e72446809261dac83b030d6745a8da7de83a831c49ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:XOTNROVMC6XB6HIJXZFKXDEFRT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-space first-principles approach to orbitronic phenomena in metallic multilayers","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. B. Klautau, Anders Bergman, Hugo U. R. Strand, Ramon Cardias, Tatiana G. Rappoport","submitted_at":"2025-08-19T20:58:27Z","abstract_excerpt":"We develop a real-space first-principles method based on density functional theory to investigate orbitronic phenomena in complex materials. Using the Real-Space Linear Muffin-Tin Orbital method within the Atomic Sphere Approximation (RS-LMTO-ASA) combined with a Chebyshev polynomial expansion of the Green's functions, we compute orbital (spin) Hall transport and orbital (spin) accumulation directly in real space. The approach scales linearly with system size and naturally incorporates disorder, finite-size effects, and interface roughness. We apply the method to transition-metal-based heteros"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.14270","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/2508.14270/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":"2026-06-19T16:12:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPN9L18+j9Wq6b6A/NNKbF9JnzEJ4i8cCwfL4DJjOsEuENQHREgzG0waDje0/Gr7xl6qGyWX9OZBXDXPYUXBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:52:43.588193Z"},"content_sha256":"56699ed78ab54bd745818630f3e83cddc79a444c889df3c089cb56debed01330","schema_version":"1.0","event_id":"sha256:56699ed78ab54bd745818630f3e83cddc79a444c889df3c089cb56debed01330"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/bundle.json","state_url":"https://pith.science/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/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":"2026-06-20T12:52:43Z","links":{"resolver":"https://pith.science/pith/XOTNROVMC6XB6HIJXZFKXDEFRT","bundle":"https://pith.science/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/bundle.json","state":"https://pith.science/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOTNROVMC6XB6HIJXZFKXDEFRT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:XOTNROVMC6XB6HIJXZFKXDEFRT","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":"c8ea6261bd3d0ceda27e5559c812e99943cdcd961eeacc13575dfeed3dbdcc64","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-19T20:58:27Z","title_canon_sha256":"24f001e778d0da0cf4a86ce4c36bdb18543876568664135ef70e20bb1d9be2af"},"schema_version":"1.0","source":{"id":"2508.14270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.14270","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"arxiv_version","alias_value":"2508.14270v1","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.14270","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_12","alias_value":"XOTNROVMC6XB","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_16","alias_value":"XOTNROVMC6XB6HIJ","created_at":"2026-06-19T16:12:14Z"},{"alias_kind":"pith_short_8","alias_value":"XOTNROVM","created_at":"2026-06-19T16:12:14Z"}],"graph_snapshots":[{"event_id":"sha256:56699ed78ab54bd745818630f3e83cddc79a444c889df3c089cb56debed01330","target":"graph","created_at":"2026-06-19T16:12:14Z","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/2508.14270/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop a real-space first-principles method based on density functional theory to investigate orbitronic phenomena in complex materials. Using the Real-Space Linear Muffin-Tin Orbital method within the Atomic Sphere Approximation (RS-LMTO-ASA) combined with a Chebyshev polynomial expansion of the Green's functions, we compute orbital (spin) Hall transport and orbital (spin) accumulation directly in real space. The approach scales linearly with system size and naturally incorporates disorder, finite-size effects, and interface roughness. We apply the method to transition-metal-based heteros","authors_text":"A. B. Klautau, Anders Bergman, Hugo U. R. Strand, Ramon Cardias, Tatiana G. Rappoport","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-19T20:58:27Z","title":"Real-space first-principles approach to orbitronic phenomena in metallic multilayers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.14270","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":"sha256:1f72fadba67502c876b6e72446809261dac83b030d6745a8da7de83a831c49ce","target":"record","created_at":"2026-06-19T16:12:14Z","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":"c8ea6261bd3d0ceda27e5559c812e99943cdcd961eeacc13575dfeed3dbdcc64","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-19T20:58:27Z","title_canon_sha256":"24f001e778d0da0cf4a86ce4c36bdb18543876568664135ef70e20bb1d9be2af"},"schema_version":"1.0","source":{"id":"2508.14270","kind":"arxiv","version":1}},"canonical_sha256":"bba6d8baac17ae1f1d09be4aab8c858cdf45ba782f8275eff1db911d6b320705","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bba6d8baac17ae1f1d09be4aab8c858cdf45ba782f8275eff1db911d6b320705","first_computed_at":"2026-06-19T16:12:14.730838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:14.730838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l8qYpBfAGOvhCFC7Rq0adKfxaOpTdSJWS1iI6rxaD9sW1NYZodzKaN3j8hcTlktYSZIEqoKi5os6dY3do624Cg==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:14.731248Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.14270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f72fadba67502c876b6e72446809261dac83b030d6745a8da7de83a831c49ce","sha256:56699ed78ab54bd745818630f3e83cddc79a444c889df3c089cb56debed01330"],"state_sha256":"70950b9f527773d7f3caef74760f7a5f0671879af94e8c644929d2a1bc301c7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lIImXEGZTRaUD5uU3MJ25kBZOzyYsrLCs8dUpjPvccC2QWWBBw/+uTR961dDTJZ9OyGauy+bAOk1Blm18z7iCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T12:52:43.590253Z","bundle_sha256":"258ea8a23d7d8830475b9c4b0a4f8708792b73f34e1889c7c15dc29056857eab"}}