{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5YZML2OND6XLZBS5JKJWABSFXV","short_pith_number":"pith:5YZML2ON","canonical_record":{"source":{"id":"1008.4604","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-26T21:35:11Z","cross_cats_sorted":[],"title_canon_sha256":"971ef93c53f1592beee31ec413f94d75c1794d823369b9bab923f80c9f5b1aba","abstract_canon_sha256":"26acfccf6d2d9d3d7a6ea4d8c8ee27ab3795cf4e97ac295268ed1fc0177109ec"},"schema_version":"1.0"},"canonical_sha256":"ee32c5e9cd1faebc865d4a93600645bd6af0406a15299d8061e610de09075f83","source":{"kind":"arxiv","id":"1008.4604","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4604","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4604v1","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4604","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"pith_short_12","alias_value":"5YZML2OND6XL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5YZML2OND6XLZBS5","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5YZML2ON","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5YZML2OND6XLZBS5JKJWABSFXV","target":"record","payload":{"canonical_record":{"source":{"id":"1008.4604","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-26T21:35:11Z","cross_cats_sorted":[],"title_canon_sha256":"971ef93c53f1592beee31ec413f94d75c1794d823369b9bab923f80c9f5b1aba","abstract_canon_sha256":"26acfccf6d2d9d3d7a6ea4d8c8ee27ab3795cf4e97ac295268ed1fc0177109ec"},"schema_version":"1.0"},"canonical_sha256":"ee32c5e9cd1faebc865d4a93600645bd6af0406a15299d8061e610de09075f83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:52.274263Z","signature_b64":"PTq4bZvQZDoxZSMBzx11Q2nJCRyOrRj30pRY3D5KNY5JKggVSD/Y9N6kfLmaI5xQKwTDWZjz9RD6/KsD995xBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee32c5e9cd1faebc865d4a93600645bd6af0406a15299d8061e610de09075f83","last_reissued_at":"2026-05-18T04:31:52.273827Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:52.273827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.4604","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":"2026-05-18T04:31:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfoDr1ZHr2bqinEul3UpQrXJcEGU9WuuXtKVTo4wpozQ/0TjV/pTPkK5UKmW6KNib5roRQ2UHUGE9fxSs5CgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:22.001069Z"},"content_sha256":"9fea614631391ddf0e84aa10e4c224f285f543a7e9aaa76dbc31f8179b29c390","schema_version":"1.0","event_id":"sha256:9fea614631391ddf0e84aa10e4c224f285f543a7e9aaa76dbc31f8179b29c390"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5YZML2OND6XLZBS5JKJWABSFXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct measurement of the hole-nuclear spin interaction in single quantum dots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. B. Krysa, A. I. Tartakovskii, E. A. Chekhovich, M. S. Skolnick","submitted_at":"2010-08-26T21:35:11Z","abstract_excerpt":"We use photoluminescence spectroscopy of ''bright'' and ''dark'' exciton states in single InP/GaInP quantum dots to measure hyperfine interaction of the valence band hole with nuclear spins polarized along the sample growth axis. The ratio of the hyperfine constants for the hole (C) and electron (A) is found to be C/A~-0.11. In InP dots the contribution of spin 1/2 phosphorus nuclei to the hole-nuclear interaction is weak, which enables us to determine experimentally the value of C for spin 9/2 indium nuclei as C_In~-5 micro-eV. This high value of C is in good agreement with recent theoretical"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4604","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":"2026-05-18T04:31:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0YszLyo19d8yNxPPuBJfFqBorx0mrsFwu57O3wizHT6HQ+pHz3HBtPK/luJg72LPnG2+CCLJWBwgIfjaemodCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:42:22.001464Z"},"content_sha256":"fc824f312ee9813580533db9fc018934d8c8480e50e566335d0d2004b4506363","schema_version":"1.0","event_id":"sha256:fc824f312ee9813580533db9fc018934d8c8480e50e566335d0d2004b4506363"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5YZML2OND6XLZBS5JKJWABSFXV/bundle.json","state_url":"https://pith.science/pith/5YZML2OND6XLZBS5JKJWABSFXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5YZML2OND6XLZBS5JKJWABSFXV/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":"2026-05-26T21:42:22Z","links":{"resolver":"https://pith.science/pith/5YZML2OND6XLZBS5JKJWABSFXV","bundle":"https://pith.science/pith/5YZML2OND6XLZBS5JKJWABSFXV/bundle.json","state":"https://pith.science/pith/5YZML2OND6XLZBS5JKJWABSFXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5YZML2OND6XLZBS5JKJWABSFXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5YZML2OND6XLZBS5JKJWABSFXV","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":"26acfccf6d2d9d3d7a6ea4d8c8ee27ab3795cf4e97ac295268ed1fc0177109ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-26T21:35:11Z","title_canon_sha256":"971ef93c53f1592beee31ec413f94d75c1794d823369b9bab923f80c9f5b1aba"},"schema_version":"1.0","source":{"id":"1008.4604","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4604","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4604v1","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4604","created_at":"2026-05-18T04:31:52Z"},{"alias_kind":"pith_short_12","alias_value":"5YZML2OND6XL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5YZML2OND6XLZBS5","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5YZML2ON","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:fc824f312ee9813580533db9fc018934d8c8480e50e566335d0d2004b4506363","target":"graph","created_at":"2026-05-18T04:31:52Z","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 use photoluminescence spectroscopy of ''bright'' and ''dark'' exciton states in single InP/GaInP quantum dots to measure hyperfine interaction of the valence band hole with nuclear spins polarized along the sample growth axis. The ratio of the hyperfine constants for the hole (C) and electron (A) is found to be C/A~-0.11. In InP dots the contribution of spin 1/2 phosphorus nuclei to the hole-nuclear interaction is weak, which enables us to determine experimentally the value of C for spin 9/2 indium nuclei as C_In~-5 micro-eV. This high value of C is in good agreement with recent theoretical","authors_text":"A. B. Krysa, A. I. Tartakovskii, E. A. Chekhovich, M. S. Skolnick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-26T21:35:11Z","title":"Direct measurement of the hole-nuclear spin interaction in single quantum dots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4604","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":"sha256:9fea614631391ddf0e84aa10e4c224f285f543a7e9aaa76dbc31f8179b29c390","target":"record","created_at":"2026-05-18T04:31:52Z","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":"26acfccf6d2d9d3d7a6ea4d8c8ee27ab3795cf4e97ac295268ed1fc0177109ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-26T21:35:11Z","title_canon_sha256":"971ef93c53f1592beee31ec413f94d75c1794d823369b9bab923f80c9f5b1aba"},"schema_version":"1.0","source":{"id":"1008.4604","kind":"arxiv","version":1}},"canonical_sha256":"ee32c5e9cd1faebc865d4a93600645bd6af0406a15299d8061e610de09075f83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee32c5e9cd1faebc865d4a93600645bd6af0406a15299d8061e610de09075f83","first_computed_at":"2026-05-18T04:31:52.273827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:52.273827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PTq4bZvQZDoxZSMBzx11Q2nJCRyOrRj30pRY3D5KNY5JKggVSD/Y9N6kfLmaI5xQKwTDWZjz9RD6/KsD995xBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:52.274263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.4604","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fea614631391ddf0e84aa10e4c224f285f543a7e9aaa76dbc31f8179b29c390","sha256:fc824f312ee9813580533db9fc018934d8c8480e50e566335d0d2004b4506363"],"state_sha256":"7b620d30b01925427f1ad2786df5e96e8f3437a5754dd161cf25ad5ad46d64d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yeNQzpK8zGoUnAncN82jolZP8R2iMMm08N4YktxvkGQf0PzXY0h+LTv+kCoYzXBlymbx4f0Zz7QjTXdtclCtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:42:22.003929Z","bundle_sha256":"c6c156e4197dbf7576d25e24299d69dbfb37f637e2ea1d991d5d3a3ebe909395"}}