{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:44GQQXD3MQMXRO7BB64LTJOHJG","short_pith_number":"pith:44GQQXD3","canonical_record":{"source":{"id":"1004.2686","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"quant-ph","submitted_at":"2010-04-15T18:49:30Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"31b1fa2a69b44e092227809342fb01af83b9c5afa1f1948b343213c6091cc142","abstract_canon_sha256":"f009132544d31318210ac044f759729c8fbc57612e3901c5e627feeeccaf7be6"},"schema_version":"1.0"},"canonical_sha256":"e70d085c7b641978bbe10fb8b9a5c749b3dfd36124590d717c1515070bf34c04","source":{"kind":"arxiv","id":"1004.2686","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2686","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2686v2","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2686","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"pith_short_12","alias_value":"44GQQXD3MQMX","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"44GQQXD3MQMXRO7B","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"44GQQXD3","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:44GQQXD3MQMXRO7BB64LTJOHJG","target":"record","payload":{"canonical_record":{"source":{"id":"1004.2686","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"quant-ph","submitted_at":"2010-04-15T18:49:30Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"31b1fa2a69b44e092227809342fb01af83b9c5afa1f1948b343213c6091cc142","abstract_canon_sha256":"f009132544d31318210ac044f759729c8fbc57612e3901c5e627feeeccaf7be6"},"schema_version":"1.0"},"canonical_sha256":"e70d085c7b641978bbe10fb8b9a5c749b3dfd36124590d717c1515070bf34c04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:06.773427Z","signature_b64":"pj3g8UiK5JgE0pIg/ilZKNW4DJsOZ15efdRpFRCYnxpwM35689sKPoh8doJIYyFw4R4Q/dmr7/sSXY71RhslCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e70d085c7b641978bbe10fb8b9a5c749b3dfd36124590d717c1515070bf34c04","last_reissued_at":"2026-05-18T04:15:06.772658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:06.772658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.2686","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:15:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nSO30lBshcJrhrfLVH4jveJVcdRt6ewshX2AWBfI2xiSh10JsRJU7cPw/xNWCc+5varDm8z4rac0zkhojvjaCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:35:09.239095Z"},"content_sha256":"e02e999b0ea69621c6a2b4c84da1cae213aceab4b1fd8c5616053448904f1ec6","schema_version":"1.0","event_id":"sha256:e02e999b0ea69621c6a2b4c84da1cae213aceab4b1fd8c5616053448904f1ec6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:44GQQXD3MQMXRO7BB64LTJOHJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Transduction of Telecommunications-band Single Photons from a Quantum Dot by Frequency Upconversion","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Kartik Srinivasan, Lijun Ma, Matthew T. Rakher, Oliver Slattery, Xiao Tang","submitted_at":"2010-04-15T18:49:30Z","abstract_excerpt":"The ability to transduce non-classical states of light from one wavelength to another is a requirement for integrating disparate quantum systems that take advantage of telecommunications-band photons for optical fiber transmission of quantum information and near-visible, stationary systems for manipulation and storage. In addition, transducing a single-photon source at 1.3 {\\mu}m to visible wavelengths for detection would be integral to linear optical quantum computation due to the challenges of detection in the near-infrared. Recently, transduction at single-photon power levels has been accom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2686","kind":"arxiv","version":2},"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":"2026-05-18T04:15:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrh+GrcXv+Js3Sv1AK197zHt0WQSds4+7mhPU5c7HtlrGDy5U63OYDR+zAwYpKnPObO93AnMS8QfVv+gKDkoCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:35:09.239937Z"},"content_sha256":"a54f4f11a3cf7b6a452952f62ec6e2e70bf4059f04e4e5cf14cdb627176dbfd4","schema_version":"1.0","event_id":"sha256:a54f4f11a3cf7b6a452952f62ec6e2e70bf4059f04e4e5cf14cdb627176dbfd4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44GQQXD3MQMXRO7BB64LTJOHJG/bundle.json","state_url":"https://pith.science/pith/44GQQXD3MQMXRO7BB64LTJOHJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44GQQXD3MQMXRO7BB64LTJOHJG/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":"2026-05-28T18:35:09Z","links":{"resolver":"https://pith.science/pith/44GQQXD3MQMXRO7BB64LTJOHJG","bundle":"https://pith.science/pith/44GQQXD3MQMXRO7BB64LTJOHJG/bundle.json","state":"https://pith.science/pith/44GQQXD3MQMXRO7BB64LTJOHJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44GQQXD3MQMXRO7BB64LTJOHJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:44GQQXD3MQMXRO7BB64LTJOHJG","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":"f009132544d31318210ac044f759729c8fbc57612e3901c5e627feeeccaf7be6","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"quant-ph","submitted_at":"2010-04-15T18:49:30Z","title_canon_sha256":"31b1fa2a69b44e092227809342fb01af83b9c5afa1f1948b343213c6091cc142"},"schema_version":"1.0","source":{"id":"1004.2686","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2686","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2686v2","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2686","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"pith_short_12","alias_value":"44GQQXD3MQMX","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"44GQQXD3MQMXRO7B","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"44GQQXD3","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:a54f4f11a3cf7b6a452952f62ec6e2e70bf4059f04e4e5cf14cdb627176dbfd4","target":"graph","created_at":"2026-05-18T04:15:06Z","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":"The ability to transduce non-classical states of light from one wavelength to another is a requirement for integrating disparate quantum systems that take advantage of telecommunications-band photons for optical fiber transmission of quantum information and near-visible, stationary systems for manipulation and storage. In addition, transducing a single-photon source at 1.3 {\\mu}m to visible wavelengths for detection would be integral to linear optical quantum computation due to the challenges of detection in the near-infrared. Recently, transduction at single-photon power levels has been accom","authors_text":"Kartik Srinivasan, Lijun Ma, Matthew T. Rakher, Oliver Slattery, Xiao Tang","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"quant-ph","submitted_at":"2010-04-15T18:49:30Z","title":"Quantum Transduction of Telecommunications-band Single Photons from a Quantum Dot by Frequency Upconversion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2686","kind":"arxiv","version":2},"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:e02e999b0ea69621c6a2b4c84da1cae213aceab4b1fd8c5616053448904f1ec6","target":"record","created_at":"2026-05-18T04:15:06Z","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":"f009132544d31318210ac044f759729c8fbc57612e3901c5e627feeeccaf7be6","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"quant-ph","submitted_at":"2010-04-15T18:49:30Z","title_canon_sha256":"31b1fa2a69b44e092227809342fb01af83b9c5afa1f1948b343213c6091cc142"},"schema_version":"1.0","source":{"id":"1004.2686","kind":"arxiv","version":2}},"canonical_sha256":"e70d085c7b641978bbe10fb8b9a5c749b3dfd36124590d717c1515070bf34c04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e70d085c7b641978bbe10fb8b9a5c749b3dfd36124590d717c1515070bf34c04","first_computed_at":"2026-05-18T04:15:06.772658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:06.772658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pj3g8UiK5JgE0pIg/ilZKNW4DJsOZ15efdRpFRCYnxpwM35689sKPoh8doJIYyFw4R4Q/dmr7/sSXY71RhslCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:06.773427Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.2686","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e02e999b0ea69621c6a2b4c84da1cae213aceab4b1fd8c5616053448904f1ec6","sha256:a54f4f11a3cf7b6a452952f62ec6e2e70bf4059f04e4e5cf14cdb627176dbfd4"],"state_sha256":"40c6fcc8a01f46d6a7bf13dc0b49b3d11fead5e20c806cfa7abaae07a10036d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MPkhotyvuUfUAh7gj0vR+sq8/dTFM4lonWm/4tKoAm3xQyYqB2DHnxRmEBkF81deEUrgWrl9Lc8r7MwKn29uDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T18:35:09.244050Z","bundle_sha256":"53d956a43b69fa2887e5defbf476b6794aed580e554a69cf513d4aebbf7368ee"}}