{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C5UQICJV22BZ65LHZ6GOBNALWR","short_pith_number":"pith:C5UQICJV","canonical_record":{"source":{"id":"1507.06553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-23T16:28:20Z","cross_cats_sorted":[],"title_canon_sha256":"2f87083d4c33e18bfc0766e106265713cb8ea08ef9411cd16e0bad86379825d6","abstract_canon_sha256":"019a04b8003c12eeae9f161d01a09773c1457252081f36e24cbf662a1b31bb33"},"schema_version":"1.0"},"canonical_sha256":"1769040935d6839f7567cf8ce0b40bb4539a0d5bd5d3a0a0c54aefd5047aad73","source":{"kind":"arxiv","id":"1507.06553","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.06553","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"arxiv_version","alias_value":"1507.06553v1","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.06553","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"pith_short_12","alias_value":"C5UQICJV22BZ","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C5UQICJV22BZ65LH","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C5UQICJV","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C5UQICJV22BZ65LHZ6GOBNALWR","target":"record","payload":{"canonical_record":{"source":{"id":"1507.06553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-23T16:28:20Z","cross_cats_sorted":[],"title_canon_sha256":"2f87083d4c33e18bfc0766e106265713cb8ea08ef9411cd16e0bad86379825d6","abstract_canon_sha256":"019a04b8003c12eeae9f161d01a09773c1457252081f36e24cbf662a1b31bb33"},"schema_version":"1.0"},"canonical_sha256":"1769040935d6839f7567cf8ce0b40bb4539a0d5bd5d3a0a0c54aefd5047aad73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:08.079851Z","signature_b64":"MRnytr+k/haB1+62IIBiMWVO6BNP3nevlIb3qIkTv73WelrPxl3CeVKBjlZyYQqESy/9siTqr+YIQFzZgeLpCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1769040935d6839f7567cf8ce0b40bb4539a0d5bd5d3a0a0c54aefd5047aad73","last_reissued_at":"2026-05-18T01:17:08.079128Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:08.079128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.06553","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":"2026-05-18T01:17:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zfamwzONfh43xx7UM8/K14QMe00czDlAEG/AGxelpVV3Ni/3d61O4xJ/mBEUziwp2hjLjUs0gB+9yQWdPNFMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:14:55.214994Z"},"content_sha256":"2eedb26ba02412659e628650e81fe336b31e0014851798d87d0871c081331e78","schema_version":"1.0","event_id":"sha256:2eedb26ba02412659e628650e81fe336b31e0014851798d87d0871c081331e78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C5UQICJV22BZ65LHZ6GOBNALWR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron and nuclear spin properties of the nanohole-filled GaAs/AlGaAs quantum dots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander I. Tartakovskii, Ata Ulhaq, Eugenio Zallo, Evgeny A. Chekhovich, Fei Ding, Maurice S. Skolnick, Oliver G. Schmidt, Qingqing Duan","submitted_at":"2015-07-23T16:28:20Z","abstract_excerpt":"GaAs/AlGaAs quantum dots grown by in-situ droplet etching and nanohole infilling offer a combination of strong charge confinement, optical efficiency, and spatial symmetry required for polarization entanglement and spin-photon interface. Here we study spin properties of such dots. We find nearly vanishing electron $g$-factor ($g_e<0.05$), providing a route for electrically driven spin control schemes. Optical manipulation of the nuclear spin environment is demonstrated with nuclear spin polarization up to $60\\%$ achieved. NMR spectroscopy reveals the structure of two types of quantum dots and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.06553","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":"2026-05-18T01:17:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uKJeUrK7Ssk4wM372VuqpHudWhia9/s+c0OizKVmo27HM3jEltzz9CsFaIxJ751H/vG/WULRfyjWA63n+mbyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:14:55.215676Z"},"content_sha256":"553bca86196eb1967b425a0f3b7f03e4b37b9b95dd6f2bd85b4b69343b3dd8dc","schema_version":"1.0","event_id":"sha256:553bca86196eb1967b425a0f3b7f03e4b37b9b95dd6f2bd85b4b69343b3dd8dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C5UQICJV22BZ65LHZ6GOBNALWR/bundle.json","state_url":"https://pith.science/pith/C5UQICJV22BZ65LHZ6GOBNALWR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C5UQICJV22BZ65LHZ6GOBNALWR/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":"2026-05-28T22:14:55Z","links":{"resolver":"https://pith.science/pith/C5UQICJV22BZ65LHZ6GOBNALWR","bundle":"https://pith.science/pith/C5UQICJV22BZ65LHZ6GOBNALWR/bundle.json","state":"https://pith.science/pith/C5UQICJV22BZ65LHZ6GOBNALWR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C5UQICJV22BZ65LHZ6GOBNALWR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C5UQICJV22BZ65LHZ6GOBNALWR","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":"019a04b8003c12eeae9f161d01a09773c1457252081f36e24cbf662a1b31bb33","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-23T16:28:20Z","title_canon_sha256":"2f87083d4c33e18bfc0766e106265713cb8ea08ef9411cd16e0bad86379825d6"},"schema_version":"1.0","source":{"id":"1507.06553","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.06553","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"arxiv_version","alias_value":"1507.06553v1","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.06553","created_at":"2026-05-18T01:17:08Z"},{"alias_kind":"pith_short_12","alias_value":"C5UQICJV22BZ","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C5UQICJV22BZ65LH","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C5UQICJV","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:553bca86196eb1967b425a0f3b7f03e4b37b9b95dd6f2bd85b4b69343b3dd8dc","target":"graph","created_at":"2026-05-18T01:17:08Z","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":"GaAs/AlGaAs quantum dots grown by in-situ droplet etching and nanohole infilling offer a combination of strong charge confinement, optical efficiency, and spatial symmetry required for polarization entanglement and spin-photon interface. Here we study spin properties of such dots. We find nearly vanishing electron $g$-factor ($g_e<0.05$), providing a route for electrically driven spin control schemes. Optical manipulation of the nuclear spin environment is demonstrated with nuclear spin polarization up to $60\\%$ achieved. NMR spectroscopy reveals the structure of two types of quantum dots and ","authors_text":"Alexander I. Tartakovskii, Ata Ulhaq, Eugenio Zallo, Evgeny A. Chekhovich, Fei Ding, Maurice S. Skolnick, Oliver G. Schmidt, Qingqing Duan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-23T16:28:20Z","title":"Electron and nuclear spin properties of the nanohole-filled GaAs/AlGaAs quantum dots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.06553","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":"sha256:2eedb26ba02412659e628650e81fe336b31e0014851798d87d0871c081331e78","target":"record","created_at":"2026-05-18T01:17:08Z","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":"019a04b8003c12eeae9f161d01a09773c1457252081f36e24cbf662a1b31bb33","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-23T16:28:20Z","title_canon_sha256":"2f87083d4c33e18bfc0766e106265713cb8ea08ef9411cd16e0bad86379825d6"},"schema_version":"1.0","source":{"id":"1507.06553","kind":"arxiv","version":1}},"canonical_sha256":"1769040935d6839f7567cf8ce0b40bb4539a0d5bd5d3a0a0c54aefd5047aad73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1769040935d6839f7567cf8ce0b40bb4539a0d5bd5d3a0a0c54aefd5047aad73","first_computed_at":"2026-05-18T01:17:08.079128Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:08.079128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MRnytr+k/haB1+62IIBiMWVO6BNP3nevlIb3qIkTv73WelrPxl3CeVKBjlZyYQqESy/9siTqr+YIQFzZgeLpCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:08.079851Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.06553","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2eedb26ba02412659e628650e81fe336b31e0014851798d87d0871c081331e78","sha256:553bca86196eb1967b425a0f3b7f03e4b37b9b95dd6f2bd85b4b69343b3dd8dc"],"state_sha256":"990f3fcac2305a097961f4bbfc1b174815c7b30366ddfda09de2c7fc69ebbd5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iJibiuoIFq6OuOP904hvPk9LEXcREt5W0pdbR3tiRG8TI2neEHUPLy0cjSc97Woc9x6vujJTAsOV0xcjFFUpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:14:55.219708Z","bundle_sha256":"a9f6a231ed2cfee28602c2f67311dc209e44ed6be9d0485595e0a2cbf0a2078a"}}