{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ELIM3EXYPNET4CWPFMH5CMAPFM","short_pith_number":"pith:ELIM3EXY","canonical_record":{"source":{"id":"1403.0490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-03T17:24:25Z","cross_cats_sorted":[],"title_canon_sha256":"fe174259563c51048ac1470ade371bdaf62a65842bb40ec6664f1fb90a9da8a5","abstract_canon_sha256":"e32831d7056a45ca9e40d631f7cd7df44ed41013615e20fa703f38be0f99832c"},"schema_version":"1.0"},"canonical_sha256":"22d0cd92f87b493e0acf2b0fd1300f2b086e1de4aee380d9a71e1b0f9a81f697","source":{"kind":"arxiv","id":"1403.0490","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.0490","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"1403.0490v1","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.0490","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"ELIM3EXYPNET","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"ELIM3EXYPNET4CWP","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"ELIM3EXY","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ELIM3EXYPNET4CWPFMH5CMAPFM","target":"record","payload":{"canonical_record":{"source":{"id":"1403.0490","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-03T17:24:25Z","cross_cats_sorted":[],"title_canon_sha256":"fe174259563c51048ac1470ade371bdaf62a65842bb40ec6664f1fb90a9da8a5","abstract_canon_sha256":"e32831d7056a45ca9e40d631f7cd7df44ed41013615e20fa703f38be0f99832c"},"schema_version":"1.0"},"canonical_sha256":"22d0cd92f87b493e0acf2b0fd1300f2b086e1de4aee380d9a71e1b0f9a81f697","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:24.740523Z","signature_b64":"hHYg3OYL404e6nmHW9ADLeP02Q2AgwQvp2smUBUEW9cWAjmwgAEXxXqTJbqK1V9t5InZUNkGSSonky3qF/1iBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22d0cd92f87b493e0acf2b0fd1300f2b086e1de4aee380d9a71e1b0f9a81f697","last_reissued_at":"2026-05-18T02:57:24.739822Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:24.739822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.0490","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":"2026-05-18T02:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2RB3Yvj7gQkLybYQuhOB/L51DJY1GwTBvduMsIVMSTNKdTvy/2uMlapkD3P6Eduvskml7zvktdkXrWxhf16MDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:16:31.021501Z"},"content_sha256":"38db40a255751d5248e61fa1e6f4be40221d52414a404a5eb5d50c4695b3650a","schema_version":"1.0","event_id":"sha256:38db40a255751d5248e61fa1e6f4be40221d52414a404a5eb5d50c4695b3650a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ELIM3EXYPNET4CWPFMH5CMAPFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear Spin Diffusion Mediated by Heavy Hole Hyperfine Non-Collinear Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Daniel Loss, Franziska Maier, Hugo Ribeiro","submitted_at":"2014-03-03T17:24:25Z","abstract_excerpt":"We show that the hyperfine mediated dynamics of heavy hole states confined in neutral self- assembled quantum dots leads to a nuclear spin diffusion mechanism. It is found that the oftentimes neglected effective heavy hole hyperfine non-collinear interaction is responsible for the low degree of nuclear spin polarization in neutral quantum dots. Moreover, our results demonstrate that after pumping the nuclear spin state is left in a complex mixed state, from which it is not straightforward to deduce the sign of the Ising-like interactions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.0490","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":"2026-05-18T02:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WhhAwrzhp30IjMbnNCTHm9P5iAbyPhJpoxDeySSzJVORdHCZ+U7iYLh/JkTd/201g73meVW9mI2rifNMTi/uAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:16:31.022221Z"},"content_sha256":"bbbb35070768b1aa216e7ad3b4476e401abd0893b1ca21da311d8449fb9f3648","schema_version":"1.0","event_id":"sha256:bbbb35070768b1aa216e7ad3b4476e401abd0893b1ca21da311d8449fb9f3648"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/bundle.json","state_url":"https://pith.science/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/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":"2026-05-20T00:16:31Z","links":{"resolver":"https://pith.science/pith/ELIM3EXYPNET4CWPFMH5CMAPFM","bundle":"https://pith.science/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/bundle.json","state":"https://pith.science/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ELIM3EXYPNET4CWPFMH5CMAPFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ELIM3EXYPNET4CWPFMH5CMAPFM","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":"e32831d7056a45ca9e40d631f7cd7df44ed41013615e20fa703f38be0f99832c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-03T17:24:25Z","title_canon_sha256":"fe174259563c51048ac1470ade371bdaf62a65842bb40ec6664f1fb90a9da8a5"},"schema_version":"1.0","source":{"id":"1403.0490","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.0490","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"1403.0490v1","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.0490","created_at":"2026-05-18T02:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"ELIM3EXYPNET","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"ELIM3EXYPNET4CWP","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"ELIM3EXY","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:bbbb35070768b1aa216e7ad3b4476e401abd0893b1ca21da311d8449fb9f3648","target":"graph","created_at":"2026-05-18T02:57:24Z","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 show that the hyperfine mediated dynamics of heavy hole states confined in neutral self- assembled quantum dots leads to a nuclear spin diffusion mechanism. It is found that the oftentimes neglected effective heavy hole hyperfine non-collinear interaction is responsible for the low degree of nuclear spin polarization in neutral quantum dots. Moreover, our results demonstrate that after pumping the nuclear spin state is left in a complex mixed state, from which it is not straightforward to deduce the sign of the Ising-like interactions.","authors_text":"Daniel Loss, Franziska Maier, Hugo Ribeiro","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-03T17:24:25Z","title":"Nuclear Spin Diffusion Mediated by Heavy Hole Hyperfine Non-Collinear Interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.0490","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":"sha256:38db40a255751d5248e61fa1e6f4be40221d52414a404a5eb5d50c4695b3650a","target":"record","created_at":"2026-05-18T02:57:24Z","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":"e32831d7056a45ca9e40d631f7cd7df44ed41013615e20fa703f38be0f99832c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-03T17:24:25Z","title_canon_sha256":"fe174259563c51048ac1470ade371bdaf62a65842bb40ec6664f1fb90a9da8a5"},"schema_version":"1.0","source":{"id":"1403.0490","kind":"arxiv","version":1}},"canonical_sha256":"22d0cd92f87b493e0acf2b0fd1300f2b086e1de4aee380d9a71e1b0f9a81f697","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22d0cd92f87b493e0acf2b0fd1300f2b086e1de4aee380d9a71e1b0f9a81f697","first_computed_at":"2026-05-18T02:57:24.739822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:24.739822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hHYg3OYL404e6nmHW9ADLeP02Q2AgwQvp2smUBUEW9cWAjmwgAEXxXqTJbqK1V9t5InZUNkGSSonky3qF/1iBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:24.740523Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.0490","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38db40a255751d5248e61fa1e6f4be40221d52414a404a5eb5d50c4695b3650a","sha256:bbbb35070768b1aa216e7ad3b4476e401abd0893b1ca21da311d8449fb9f3648"],"state_sha256":"d04cf67fb29072acbeba89a76be4b6d76f9b92258a70cd46154516e30f3db216"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZdekTnmPg7c8QNwMWO81wPXNUSoxIiXFHGT20Cg01taZ7O/ygR9v2lnJSR8Db4wB8pifAzcysX3DdSBf6UEXCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T00:16:31.026005Z","bundle_sha256":"02b7a96cb85e148adc33e80a4dd0e3b77fd8d08cce2cdafda5ab86f47e0bb111"}}