{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4MYRB4RULAGTN6J3N2JSBDE7MZ","short_pith_number":"pith:4MYRB4RU","canonical_record":{"source":{"id":"2607.21454","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-23T15:56:40Z","cross_cats_sorted":["cond-mat.other","physics.optics"],"title_canon_sha256":"3cf7e7852cf27d97411cbfddf97134aea15d525e20d897afc6513ff626d4fb21","abstract_canon_sha256":"a6721a42c51e03309b55129223385f77f9b5ae1f219072936f2a9e820a63e253"},"schema_version":"1.0"},"canonical_sha256":"e33110f234580d36f93b6e93208c9f6659ee47ffb9bdfab052c79fc256748c45","source":{"kind":"arxiv","id":"2607.21454","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.21454","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"arxiv_version","alias_value":"2607.21454v1","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21454","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_12","alias_value":"4MYRB4RULAGT","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_16","alias_value":"4MYRB4RULAGTN6J3","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_8","alias_value":"4MYRB4RU","created_at":"2026-07-24T01:24:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4MYRB4RULAGTN6J3N2JSBDE7MZ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.21454","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-23T15:56:40Z","cross_cats_sorted":["cond-mat.other","physics.optics"],"title_canon_sha256":"3cf7e7852cf27d97411cbfddf97134aea15d525e20d897afc6513ff626d4fb21","abstract_canon_sha256":"a6721a42c51e03309b55129223385f77f9b5ae1f219072936f2a9e820a63e253"},"schema_version":"1.0"},"canonical_sha256":"e33110f234580d36f93b6e93208c9f6659ee47ffb9bdfab052c79fc256748c45","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T01:24:33.682663Z","signature_b64":"9vQW2eEKEV+Ao6Yl9pEROH4NbWivJTc62X9mfLDv0bzWgL3CMvQlPPsRpB+VrMW7b+uukpRgqGMuhDbzmUUmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e33110f234580d36f93b6e93208c9f6659ee47ffb9bdfab052c79fc256748c45","last_reissued_at":"2026-07-24T01:24:33.681797Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T01:24:33.681797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.21454","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":"2026-07-24T01:24:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxiu7QPP/mT35w6oIT8h7glvIBO9YH1YFIai1BtSIhBgg1gu2fDyW7pIL76rbd7y7o9j4AHuZBkvOJqc9yh/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:01:35.441124Z"},"content_sha256":"1cda219adc3c31b40b9ef3f223115eaa2ecb5733ddd06686e4ad406ac1c90e0d","schema_version":"1.0","event_id":"sha256:1cda219adc3c31b40b9ef3f223115eaa2ecb5733ddd06686e4ad406ac1c90e0d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4MYRB4RULAGTN6J3N2JSBDE7MZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rack-integrated quantum dot-based source of single and entangled photons at telecom C-band","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other","physics.optics"],"primary_cat":"quant-ph","authors_text":"Anna Friederike K\\\"ohler, Benjamin Breiholz, Emma Marmasse, Michael Jetter, Michal Vyvlecka, Peter Michler, Ponraj Vijayan, Raphael Joos, Simone Luca Portalupi, Sven H\\\"ofling, Tobias Huber-Loyola","submitted_at":"2026-07-23T15:56:40Z","abstract_excerpt":"For quantum light sources in everyday telecommunication networks, quantum science needs to be fully transformed into quantum technology. The first necessary step to move outside a well-controlled lab environment requires the use of quantum light sources operating in the technologically relevant telecom O- and C-band. This can be provided using epitaxial quantum dots as deterministic sources of quantum light. Particularly intriguing is that emitters operating at telecom wavelengths are rapidly catching up with their short wavelength counterparts in terms of performances. Here, we make a decisiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21454","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/2607.21454/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":"2026-07-24T01:24:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I786ei3sYBFsrQksNvJ7YUxyW5SkqrL7nKScnhUafZP8wbCzemVjp7RICJR9KsN4ytH33KE9HGw1kf0HAgb/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:01:35.441614Z"},"content_sha256":"1022d035cbb49c4c0a95f18f32c9786b3f7d2281a8bacde8a636b23df55389d5","schema_version":"1.0","event_id":"sha256:1022d035cbb49c4c0a95f18f32c9786b3f7d2281a8bacde8a636b23df55389d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/bundle.json","state_url":"https://pith.science/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/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":"2026-08-06T21:01:35Z","links":{"resolver":"https://pith.science/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ","bundle":"https://pith.science/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/bundle.json","state":"https://pith.science/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4MYRB4RULAGTN6J3N2JSBDE7MZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4MYRB4RULAGTN6J3N2JSBDE7MZ","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":"a6721a42c51e03309b55129223385f77f9b5ae1f219072936f2a9e820a63e253","cross_cats_sorted":["cond-mat.other","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-23T15:56:40Z","title_canon_sha256":"3cf7e7852cf27d97411cbfddf97134aea15d525e20d897afc6513ff626d4fb21"},"schema_version":"1.0","source":{"id":"2607.21454","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.21454","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"arxiv_version","alias_value":"2607.21454v1","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21454","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_12","alias_value":"4MYRB4RULAGT","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_16","alias_value":"4MYRB4RULAGTN6J3","created_at":"2026-07-24T01:24:33Z"},{"alias_kind":"pith_short_8","alias_value":"4MYRB4RU","created_at":"2026-07-24T01:24:33Z"}],"graph_snapshots":[{"event_id":"sha256:1022d035cbb49c4c0a95f18f32c9786b3f7d2281a8bacde8a636b23df55389d5","target":"graph","created_at":"2026-07-24T01:24:33Z","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/2607.21454/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For quantum light sources in everyday telecommunication networks, quantum science needs to be fully transformed into quantum technology. The first necessary step to move outside a well-controlled lab environment requires the use of quantum light sources operating in the technologically relevant telecom O- and C-band. This can be provided using epitaxial quantum dots as deterministic sources of quantum light. Particularly intriguing is that emitters operating at telecom wavelengths are rapidly catching up with their short wavelength counterparts in terms of performances. Here, we make a decisiv","authors_text":"Anna Friederike K\\\"ohler, Benjamin Breiholz, Emma Marmasse, Michael Jetter, Michal Vyvlecka, Peter Michler, Ponraj Vijayan, Raphael Joos, Simone Luca Portalupi, Sven H\\\"ofling, Tobias Huber-Loyola","cross_cats":["cond-mat.other","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-23T15:56:40Z","title":"Rack-integrated quantum dot-based source of single and entangled photons at telecom C-band"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21454","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":"sha256:1cda219adc3c31b40b9ef3f223115eaa2ecb5733ddd06686e4ad406ac1c90e0d","target":"record","created_at":"2026-07-24T01:24:33Z","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":"a6721a42c51e03309b55129223385f77f9b5ae1f219072936f2a9e820a63e253","cross_cats_sorted":["cond-mat.other","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-23T15:56:40Z","title_canon_sha256":"3cf7e7852cf27d97411cbfddf97134aea15d525e20d897afc6513ff626d4fb21"},"schema_version":"1.0","source":{"id":"2607.21454","kind":"arxiv","version":1}},"canonical_sha256":"e33110f234580d36f93b6e93208c9f6659ee47ffb9bdfab052c79fc256748c45","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e33110f234580d36f93b6e93208c9f6659ee47ffb9bdfab052c79fc256748c45","first_computed_at":"2026-07-24T01:24:33.681797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T01:24:33.681797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9vQW2eEKEV+Ao6Yl9pEROH4NbWivJTc62X9mfLDv0bzWgL3CMvQlPPsRpB+VrMW7b+uukpRgqGMuhDbzmUUmBQ==","signature_status":"signed_v1","signed_at":"2026-07-24T01:24:33.682663Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.21454","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cda219adc3c31b40b9ef3f223115eaa2ecb5733ddd06686e4ad406ac1c90e0d","sha256:1022d035cbb49c4c0a95f18f32c9786b3f7d2281a8bacde8a636b23df55389d5"],"state_sha256":"d2d0bd819e035b2e35a964739e9daadefebc92717ad4f3179bf81a06bcb47ddc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gFERj+OtN90dxHV07RDwgVFPjd21co8+0Hzq+jcHvynoboUk2xCKg3gBWKZaSKVzvJCkg/Rs3Q1qzoxbau2NBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:01:35.444996Z","bundle_sha256":"9a35607f99acfc603c3a4ace57f77d44466ec5c4caf4b9bc088bef1adb8aead4"}}