{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TNRLUDZWPLYB2DJHASLNEK63IW","short_pith_number":"pith:TNRLUDZW","canonical_record":{"source":{"id":"1405.4278","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-16T19:29:58Z","cross_cats_sorted":[],"title_canon_sha256":"74149f3f0e994af1e4965cbe2f33ca4959d8ca2c8f318019f24c059905683171","abstract_canon_sha256":"730f58541bd55f6669f0dc351554460a8bfe9c37cb49aa72d952651097264fbd"},"schema_version":"1.0"},"canonical_sha256":"9b62ba0f367af01d0d270496d22bdb45b65f8aefe4bbc31075ce3068a1c686a0","source":{"kind":"arxiv","id":"1405.4278","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4278","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4278v2","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4278","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"TNRLUDZWPLYB","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TNRLUDZWPLYB2DJH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TNRLUDZW","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TNRLUDZWPLYB2DJHASLNEK63IW","target":"record","payload":{"canonical_record":{"source":{"id":"1405.4278","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-16T19:29:58Z","cross_cats_sorted":[],"title_canon_sha256":"74149f3f0e994af1e4965cbe2f33ca4959d8ca2c8f318019f24c059905683171","abstract_canon_sha256":"730f58541bd55f6669f0dc351554460a8bfe9c37cb49aa72d952651097264fbd"},"schema_version":"1.0"},"canonical_sha256":"9b62ba0f367af01d0d270496d22bdb45b65f8aefe4bbc31075ce3068a1c686a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:36.916725Z","signature_b64":"ReJmI/T2xjfGDdWrWlMePQa9M+gwAVvWrLQGPtJsCrci+WjhrMzGlnd9kW9BNvQ6Sk4F7BRsLsAmTo3veddyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b62ba0f367af01d0d270496d22bdb45b65f8aefe4bbc31075ce3068a1c686a0","last_reissued_at":"2026-05-18T02:38:36.916183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:36.916183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.4278","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":"2026-05-18T02:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ObAp/YVrIBOGAG/kgjxu6fgDXEQwNq8OYUDVjQZBxaNiTpVL/vf+Ed27LduVapBZ2BigRktqh0Iik3GThSInCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:35:55.131353Z"},"content_sha256":"38d7984b8ae1378a82dd3b998aa1d785d3c625564185b32b598e7a2f8f9c8bd8","schema_version":"1.0","event_id":"sha256:38d7984b8ae1378a82dd3b998aa1d785d3c625564185b32b598e7a2f8f9c8bd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TNRLUDZWPLYB2DJHASLNEK63IW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of strongly entangled photon pairs from a nanowire quantum dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrea Giudice, Angelo Gulinatti, Dan Dalacu, Klaus D. J\\\"ons, Marijn A. M. Versteegh, Michael E. Reimer, Philip J. Poole, Val Zwiller","submitted_at":"2014-05-16T19:29:58Z","abstract_excerpt":"A bright photon source that combines high-fidelity entanglement, on-demand generation, high extraction efficiency, directional and coherent emission, as well as position control at the nanoscale is required for implementing ambitious schemes in quantum information processing, such as that of a quantum repeater. Still, all of these properties have not yet been achieved in a single device. Semiconductor quantum dots embedded in nanowire waveguides potentially satisfy all of these requirements; however, although theoretically predicted, entanglement has not yet been demonstrated for a nanowire qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4278","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":"2026-05-18T02:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUlUX6EHi2M8WnxlYMvNYwPfeAL2ziGL905R/VjHy2Nrr2z/YZCj4CZ803fPHi7tDmGUZiA9dZ4efY+WE3hADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:35:55.131735Z"},"content_sha256":"6798d284c25ad290e2573a12cdba29aa95bf40e06b08dc8b62b3e52a4bd2120a","schema_version":"1.0","event_id":"sha256:6798d284c25ad290e2573a12cdba29aa95bf40e06b08dc8b62b3e52a4bd2120a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNRLUDZWPLYB2DJHASLNEK63IW/bundle.json","state_url":"https://pith.science/pith/TNRLUDZWPLYB2DJHASLNEK63IW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNRLUDZWPLYB2DJHASLNEK63IW/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":"2026-05-22T18:35:55Z","links":{"resolver":"https://pith.science/pith/TNRLUDZWPLYB2DJHASLNEK63IW","bundle":"https://pith.science/pith/TNRLUDZWPLYB2DJHASLNEK63IW/bundle.json","state":"https://pith.science/pith/TNRLUDZWPLYB2DJHASLNEK63IW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNRLUDZWPLYB2DJHASLNEK63IW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TNRLUDZWPLYB2DJHASLNEK63IW","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":"730f58541bd55f6669f0dc351554460a8bfe9c37cb49aa72d952651097264fbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-16T19:29:58Z","title_canon_sha256":"74149f3f0e994af1e4965cbe2f33ca4959d8ca2c8f318019f24c059905683171"},"schema_version":"1.0","source":{"id":"1405.4278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.4278","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"1405.4278v2","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.4278","created_at":"2026-05-18T02:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"TNRLUDZWPLYB","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TNRLUDZWPLYB2DJH","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TNRLUDZW","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:6798d284c25ad290e2573a12cdba29aa95bf40e06b08dc8b62b3e52a4bd2120a","target":"graph","created_at":"2026-05-18T02:38:36Z","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":"A bright photon source that combines high-fidelity entanglement, on-demand generation, high extraction efficiency, directional and coherent emission, as well as position control at the nanoscale is required for implementing ambitious schemes in quantum information processing, such as that of a quantum repeater. Still, all of these properties have not yet been achieved in a single device. Semiconductor quantum dots embedded in nanowire waveguides potentially satisfy all of these requirements; however, although theoretically predicted, entanglement has not yet been demonstrated for a nanowire qu","authors_text":"Andrea Giudice, Angelo Gulinatti, Dan Dalacu, Klaus D. J\\\"ons, Marijn A. M. Versteegh, Michael E. Reimer, Philip J. Poole, Val Zwiller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-16T19:29:58Z","title":"Observation of strongly entangled photon pairs from a nanowire quantum dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.4278","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":"sha256:38d7984b8ae1378a82dd3b998aa1d785d3c625564185b32b598e7a2f8f9c8bd8","target":"record","created_at":"2026-05-18T02:38:36Z","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":"730f58541bd55f6669f0dc351554460a8bfe9c37cb49aa72d952651097264fbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-05-16T19:29:58Z","title_canon_sha256":"74149f3f0e994af1e4965cbe2f33ca4959d8ca2c8f318019f24c059905683171"},"schema_version":"1.0","source":{"id":"1405.4278","kind":"arxiv","version":2}},"canonical_sha256":"9b62ba0f367af01d0d270496d22bdb45b65f8aefe4bbc31075ce3068a1c686a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b62ba0f367af01d0d270496d22bdb45b65f8aefe4bbc31075ce3068a1c686a0","first_computed_at":"2026-05-18T02:38:36.916183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:36.916183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ReJmI/T2xjfGDdWrWlMePQa9M+gwAVvWrLQGPtJsCrci+WjhrMzGlnd9kW9BNvQ6Sk4F7BRsLsAmTo3veddyBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:36.916725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.4278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38d7984b8ae1378a82dd3b998aa1d785d3c625564185b32b598e7a2f8f9c8bd8","sha256:6798d284c25ad290e2573a12cdba29aa95bf40e06b08dc8b62b3e52a4bd2120a"],"state_sha256":"70d765009c1e7f933414b484d829df0360955bf8f62c94ae3ec61ff05edd68d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkSONPKMOYQRHVBtaN5QrLjHYOSHfOYnt4VMA6Vo4l2kWUDxW+XACmX5NQfnn0j8fCeLVB9ug10W3ryRkougAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T18:35:55.134551Z","bundle_sha256":"baa04cba5f97f7b9a12d351046f39c0f654421b7052267f05bc95f6b9438ed5c"}}