{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:Y3RMAQOJQI6RYUBOMDWWSMTMJ6","short_pith_number":"pith:Y3RMAQOJ","canonical_record":{"source":{"id":"2606.26060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-24T17:36:01Z","cross_cats_sorted":[],"title_canon_sha256":"b4c798d3430383184164fc49b72aa84e2325880007f4c3cebf87ad034eeb2162","abstract_canon_sha256":"b10d0253606a1e6dbb19458c45f63d7c7e9c489eab08eeb1dc51514bc6687d2e"},"schema_version":"1.0"},"canonical_sha256":"c6e2c041c9823d1c502e60ed69326c4fb1049433221de92a31122cd201d7033e","source":{"kind":"arxiv","id":"2606.26060","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26060","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26060v1","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26060","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_12","alias_value":"Y3RMAQOJQI6R","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y3RMAQOJQI6RYUBO","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y3RMAQOJ","created_at":"2026-06-25T01:18:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:Y3RMAQOJQI6RYUBOMDWWSMTMJ6","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-24T17:36:01Z","cross_cats_sorted":[],"title_canon_sha256":"b4c798d3430383184164fc49b72aa84e2325880007f4c3cebf87ad034eeb2162","abstract_canon_sha256":"b10d0253606a1e6dbb19458c45f63d7c7e9c489eab08eeb1dc51514bc6687d2e"},"schema_version":"1.0"},"canonical_sha256":"c6e2c041c9823d1c502e60ed69326c4fb1049433221de92a31122cd201d7033e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T01:18:47.453353Z","signature_b64":"t6++qXaLkuxjfuvi3/8EUcXZ6WD24fZB5MNWg160Kwf90r98kGGM0kYEQ7IkJ7vHR/Ilvst6aLaNpYtVADFtCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6e2c041c9823d1c502e60ed69326c4fb1049433221de92a31122cd201d7033e","last_reissued_at":"2026-06-25T01:18:47.452999Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T01:18:47.452999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26060","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":"2026-06-25T01:18:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z6ei/JJ61vRh7drsyi9yqvTYsR5XzsTq2CiubrjDdSnXbOOUCnVQB5+dzDwxHEiRg/4obK2hURMeQRZAvILOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:47:59.701955Z"},"content_sha256":"96ea2d71fe88a43a1461f58f83e5a16221ca0b1a6c3983dab69d00eb7ceed190","schema_version":"1.0","event_id":"sha256:96ea2d71fe88a43a1461f58f83e5a16221ca0b1a6c3983dab69d00eb7ceed190"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:Y3RMAQOJQI6RYUBOMDWWSMTMJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Telecom-band site-controlled quantum dots with engineered low fine-structure splitting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Battulga Munkhbat, Christian C. Ruiz Madera, Elizaveta Semenova, Meng Xiong, Pawe{\\l} Holewa, Pawe{\\l} Wyborski","submitted_at":"2026-06-24T17:36:01Z","abstract_excerpt":"Deterministic quantum light sources emitting at telecom wavelengths with vanishing fine-structure splitting (FSS) are essential components for scalable quantum communication. While self-assembled Stranski-Krastanov (SK) quantum dots (QDs) are high-quality emitters, their random positioning and shape-induced anisotropy typically limit their use in entangled-photon applications. In this work, we demonstrate site-controlled SK growth where InAs/InP QDs nucleate at the symmetric apexes of truncated InP nanopyramids. Confining adatom diffusion to a small, symmetric nucleation area suppresses anisot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26060","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/2606.26060/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":"2026-06-25T01:18:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JFLXhmv9WywpaIhodXznzBuahl1S//8e9gvSvXHpesoPCqKN3mzORIHRvwhZo6xa0+LyQ0BQs9VxdG8CMXwsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:47:59.702377Z"},"content_sha256":"1c24a091ff9ceada5746d124335a87ea62fa958b2df72235c76aba07aa438e7f","schema_version":"1.0","event_id":"sha256:1c24a091ff9ceada5746d124335a87ea62fa958b2df72235c76aba07aa438e7f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/bundle.json","state_url":"https://pith.science/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/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":"2026-06-26T16:47:59Z","links":{"resolver":"https://pith.science/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6","bundle":"https://pith.science/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/bundle.json","state":"https://pith.science/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y3RMAQOJQI6RYUBOMDWWSMTMJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Y3RMAQOJQI6RYUBOMDWWSMTMJ6","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":"b10d0253606a1e6dbb19458c45f63d7c7e9c489eab08eeb1dc51514bc6687d2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-24T17:36:01Z","title_canon_sha256":"b4c798d3430383184164fc49b72aa84e2325880007f4c3cebf87ad034eeb2162"},"schema_version":"1.0","source":{"id":"2606.26060","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26060","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26060v1","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26060","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_12","alias_value":"Y3RMAQOJQI6R","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y3RMAQOJQI6RYUBO","created_at":"2026-06-25T01:18:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y3RMAQOJ","created_at":"2026-06-25T01:18:47Z"}],"graph_snapshots":[{"event_id":"sha256:1c24a091ff9ceada5746d124335a87ea62fa958b2df72235c76aba07aa438e7f","target":"graph","created_at":"2026-06-25T01:18:47Z","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/2606.26060/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deterministic quantum light sources emitting at telecom wavelengths with vanishing fine-structure splitting (FSS) are essential components for scalable quantum communication. While self-assembled Stranski-Krastanov (SK) quantum dots (QDs) are high-quality emitters, their random positioning and shape-induced anisotropy typically limit their use in entangled-photon applications. In this work, we demonstrate site-controlled SK growth where InAs/InP QDs nucleate at the symmetric apexes of truncated InP nanopyramids. Confining adatom diffusion to a small, symmetric nucleation area suppresses anisot","authors_text":"Battulga Munkhbat, Christian C. Ruiz Madera, Elizaveta Semenova, Meng Xiong, Pawe{\\l} Holewa, Pawe{\\l} Wyborski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-24T17:36:01Z","title":"Telecom-band site-controlled quantum dots with engineered low fine-structure splitting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26060","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":"sha256:96ea2d71fe88a43a1461f58f83e5a16221ca0b1a6c3983dab69d00eb7ceed190","target":"record","created_at":"2026-06-25T01:18:47Z","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":"b10d0253606a1e6dbb19458c45f63d7c7e9c489eab08eeb1dc51514bc6687d2e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-24T17:36:01Z","title_canon_sha256":"b4c798d3430383184164fc49b72aa84e2325880007f4c3cebf87ad034eeb2162"},"schema_version":"1.0","source":{"id":"2606.26060","kind":"arxiv","version":1}},"canonical_sha256":"c6e2c041c9823d1c502e60ed69326c4fb1049433221de92a31122cd201d7033e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6e2c041c9823d1c502e60ed69326c4fb1049433221de92a31122cd201d7033e","first_computed_at":"2026-06-25T01:18:47.452999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T01:18:47.452999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t6++qXaLkuxjfuvi3/8EUcXZ6WD24fZB5MNWg160Kwf90r98kGGM0kYEQ7IkJ7vHR/Ilvst6aLaNpYtVADFtCw==","signature_status":"signed_v1","signed_at":"2026-06-25T01:18:47.453353Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26060","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96ea2d71fe88a43a1461f58f83e5a16221ca0b1a6c3983dab69d00eb7ceed190","sha256:1c24a091ff9ceada5746d124335a87ea62fa958b2df72235c76aba07aa438e7f"],"state_sha256":"6e9f81171b7827c759e490abfcfd7b66976a8ec8a443975180b34b147ffa4c3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4yglASdWG9dW2TX9xbWTb/05j1iLGaPBtjr7Ujygp6FJpgT8hMy84watZ9CoSybWn7tZR1N/DyxLad4TlogvBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T16:47:59.704482Z","bundle_sha256":"a3231584cb5a94c9e9da0e2572e3e8c10e581bd9cee933a2f3c716e42e2e50c5"}}