{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:QPI6VW2WRWNLBW353A2V4AFB4L","short_pith_number":"pith:QPI6VW2W","canonical_record":{"source":{"id":"cond-mat/0112263","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2001-12-14T13:21:30Z","cross_cats_sorted":[],"title_canon_sha256":"5b7a8b365228566442097889df30c939f945cf8e783d36ac21e7ebae2af3f5c1","abstract_canon_sha256":"58a16b74a8175cdbcd71f7690ebecfc0a866090ee3ff3e940903463678981883"},"schema_version":"1.0"},"canonical_sha256":"83d1eadb568d9ab0db7dd8355e00a1e2c298fba16ad84a3245bc1ed5d6495c8e","source":{"kind":"arxiv","id":"cond-mat/0112263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0112263","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0112263v1","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0112263","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"pith_short_12","alias_value":"QPI6VW2WRWNL","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"QPI6VW2WRWNLBW35","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"QPI6VW2W","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:QPI6VW2WRWNLBW353A2V4AFB4L","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0112263","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2001-12-14T13:21:30Z","cross_cats_sorted":[],"title_canon_sha256":"5b7a8b365228566442097889df30c939f945cf8e783d36ac21e7ebae2af3f5c1","abstract_canon_sha256":"58a16b74a8175cdbcd71f7690ebecfc0a866090ee3ff3e940903463678981883"},"schema_version":"1.0"},"canonical_sha256":"83d1eadb568d9ab0db7dd8355e00a1e2c298fba16ad84a3245bc1ed5d6495c8e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:06.175936Z","signature_b64":"ZfjoXRV0hEtPR+zBQ/zYJ+J8QUCdKhRfDpQdUQZ3zMACGpnADfyvqUrLbzTXM8XynPxzqM1FTcXr2PMuHNCeBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83d1eadb568d9ab0db7dd8355e00a1e2c298fba16ad84a3245bc1ed5d6495c8e","last_reissued_at":"2026-05-18T01:40:06.175218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:06.175218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0112263","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":"2026-05-18T01:40:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJqrBn8bVxzX6uITo1TPsTEBQkaJU5MsHdYhxs0rJLulSMZ1aPNLlR3jmhzu+recdGPYC/IHLmlTU/S7wubaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:12:27.619527Z"},"content_sha256":"b6d8a8cb571936f19328d7af9ff0240462d12fe2cd5784789169a87d8fce4cee","schema_version":"1.0","event_id":"sha256:b6d8a8cb571936f19328d7af9ff0240462d12fe2cd5784789169a87d8fce4cee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:QPI6VW2WRWNLBW353A2V4AFB4L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Subband structure of II-VI modulation-doped magnetic quantum wells","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Henrique J. P. Freire, J. Carlos Egues (IFSC - USP/Sao Carlos - Brazil)","submitted_at":"2001-12-14T13:21:30Z","abstract_excerpt":"Here we investigate the spin-dependent subband structure of newly-developed Mn-based modulation-doped quantum wells. In the presence of an external magnetic field, the s-d exchange coupling between carriers and localized d electrons of the Mn impurities gives rise to large spin splittings resulting in a magnetic-field dependent subband structure. Within the framework of the effective-mass approximation, we self-consistently calculate the subband structure at zero temperature using Density Functional Theory (DFT) with a Local Spin Density Approximation (LSDA). We present results for the magneti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0112263","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":"2026-05-18T01:40:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HlyqNNzKpyTTm6AbuVo6hr75xGfgbwEBlVlGhwpyvuyIiMBPCBbBW51PZIQTXS5v2jEkUi2vyij5RIY3DzHWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:12:27.620097Z"},"content_sha256":"cd417fa06ad62dec2d82f7fbd7dd7e692f6c6ec309e1125961b1af14d355a459","schema_version":"1.0","event_id":"sha256:cd417fa06ad62dec2d82f7fbd7dd7e692f6c6ec309e1125961b1af14d355a459"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPI6VW2WRWNLBW353A2V4AFB4L/bundle.json","state_url":"https://pith.science/pith/QPI6VW2WRWNLBW353A2V4AFB4L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPI6VW2WRWNLBW353A2V4AFB4L/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":"2026-06-08T14:12:27Z","links":{"resolver":"https://pith.science/pith/QPI6VW2WRWNLBW353A2V4AFB4L","bundle":"https://pith.science/pith/QPI6VW2WRWNLBW353A2V4AFB4L/bundle.json","state":"https://pith.science/pith/QPI6VW2WRWNLBW353A2V4AFB4L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPI6VW2WRWNLBW353A2V4AFB4L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:QPI6VW2WRWNLBW353A2V4AFB4L","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":"58a16b74a8175cdbcd71f7690ebecfc0a866090ee3ff3e940903463678981883","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2001-12-14T13:21:30Z","title_canon_sha256":"5b7a8b365228566442097889df30c939f945cf8e783d36ac21e7ebae2af3f5c1"},"schema_version":"1.0","source":{"id":"cond-mat/0112263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0112263","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0112263v1","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0112263","created_at":"2026-05-18T01:40:06Z"},{"alias_kind":"pith_short_12","alias_value":"QPI6VW2WRWNL","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"QPI6VW2WRWNLBW35","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"QPI6VW2W","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:cd417fa06ad62dec2d82f7fbd7dd7e692f6c6ec309e1125961b1af14d355a459","target":"graph","created_at":"2026-05-18T01:40:06Z","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":"Here we investigate the spin-dependent subband structure of newly-developed Mn-based modulation-doped quantum wells. In the presence of an external magnetic field, the s-d exchange coupling between carriers and localized d electrons of the Mn impurities gives rise to large spin splittings resulting in a magnetic-field dependent subband structure. Within the framework of the effective-mass approximation, we self-consistently calculate the subband structure at zero temperature using Density Functional Theory (DFT) with a Local Spin Density Approximation (LSDA). We present results for the magneti","authors_text":"Henrique J. P. Freire, J. Carlos Egues (IFSC - USP/Sao Carlos - Brazil)","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2001-12-14T13:21:30Z","title":"Subband structure of II-VI modulation-doped magnetic quantum wells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0112263","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:b6d8a8cb571936f19328d7af9ff0240462d12fe2cd5784789169a87d8fce4cee","target":"record","created_at":"2026-05-18T01:40:06Z","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":"58a16b74a8175cdbcd71f7690ebecfc0a866090ee3ff3e940903463678981883","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2001-12-14T13:21:30Z","title_canon_sha256":"5b7a8b365228566442097889df30c939f945cf8e783d36ac21e7ebae2af3f5c1"},"schema_version":"1.0","source":{"id":"cond-mat/0112263","kind":"arxiv","version":1}},"canonical_sha256":"83d1eadb568d9ab0db7dd8355e00a1e2c298fba16ad84a3245bc1ed5d6495c8e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83d1eadb568d9ab0db7dd8355e00a1e2c298fba16ad84a3245bc1ed5d6495c8e","first_computed_at":"2026-05-18T01:40:06.175218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:06.175218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZfjoXRV0hEtPR+zBQ/zYJ+J8QUCdKhRfDpQdUQZ3zMACGpnADfyvqUrLbzTXM8XynPxzqM1FTcXr2PMuHNCeBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:06.175936Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0112263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6d8a8cb571936f19328d7af9ff0240462d12fe2cd5784789169a87d8fce4cee","sha256:cd417fa06ad62dec2d82f7fbd7dd7e692f6c6ec309e1125961b1af14d355a459"],"state_sha256":"c47cca12cbef81e46f1a3cffe216b6bdf85c3183c2ba66f644dfd103a9327fed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9qZVfFyyTYQ/D9jxJ2fxQR7D3lFmeP0tzbzVg6NzkEOeelFspBbfE/1NjA4P8GXnLzVR/NGAvDpZInhMawCjCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:12:27.623710Z","bundle_sha256":"da06752e66a03881683c03422bda0f7e76becf9470c8a3739cef3ef41d1e0f85"}}