{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CXRREE7NNVBPOT44JDO6KQAT7U","short_pith_number":"pith:CXRREE7N","canonical_record":{"source":{"id":"1510.03315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-12T14:49:42Z","cross_cats_sorted":[],"title_canon_sha256":"a6a826166a82ac530ee9fff22426c6719b9cef4dd1b7cc7883f1b8cf1d76ca5b","abstract_canon_sha256":"a9fb37fa4efe5aeca474c6aaf89ae5595efa8fe62f2efe9e419f2b8ccc701a8e"},"schema_version":"1.0"},"canonical_sha256":"15e31213ed6d42f74f9c48dde54013fd1a3e09ea15d30cadb4ebca0c984abec6","source":{"kind":"arxiv","id":"1510.03315","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03315","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03315v2","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03315","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"pith_short_12","alias_value":"CXRREE7NNVBP","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CXRREE7NNVBPOT44","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CXRREE7N","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CXRREE7NNVBPOT44JDO6KQAT7U","target":"record","payload":{"canonical_record":{"source":{"id":"1510.03315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-12T14:49:42Z","cross_cats_sorted":[],"title_canon_sha256":"a6a826166a82ac530ee9fff22426c6719b9cef4dd1b7cc7883f1b8cf1d76ca5b","abstract_canon_sha256":"a9fb37fa4efe5aeca474c6aaf89ae5595efa8fe62f2efe9e419f2b8ccc701a8e"},"schema_version":"1.0"},"canonical_sha256":"15e31213ed6d42f74f9c48dde54013fd1a3e09ea15d30cadb4ebca0c984abec6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:32.884268Z","signature_b64":"GIZSzaEynShrKgiLKtGeV9HqMYJiX3x3ZZ/V22OTzQ21wPbBfEMO54dGIBoWD8rI6AApWn2Ne7xrRKM1kLXrAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15e31213ed6d42f74f9c48dde54013fd1a3e09ea15d30cadb4ebca0c984abec6","last_reissued_at":"2026-05-18T01:18:32.883882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:32.883882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.03315","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":"2026-05-18T01:18:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0t+wClQ/v/Ethf4PnM4XCRnStWJDtXP5oD6Jn3BooejCFasUXSdlVggRooAfSewqHrwPyRsinuKQE5XWlu6BBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T11:56:23.147156Z"},"content_sha256":"520feb2bd5875210afd2085997ea683b639629d3fceebbe8c9e5f7a3dfa95cda","schema_version":"1.0","event_id":"sha256:520feb2bd5875210afd2085997ea683b639629d3fceebbe8c9e5f7a3dfa95cda"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CXRREE7NNVBPOT44JDO6KQAT7U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production yield of rare-earth ions implanted into an optical crystal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas D. Wieck, Bruno Villa, Hans-Werner Becker, J\\\"org Wrachtrup, Kangwei Xia, Matthias Schreck, Nadezhda Kukharchyk, Petr Siyushev, Rainer St\\\"ohr, Rolf Reuter, Roman Kolesov, Thomas Kornher","submitted_at":"2015-10-12T14:49:42Z","abstract_excerpt":"Rare-earth ions doped into desired locations of optical crystals might enable a range of novel integrated photonic devices for quantum applications. With this aim, we have investigated the production yield of cerium and praseodymium by means of ion implantation. As a measure, the collected fluorescence intensity from both, implanted samples and single centers was used. With a tailored annealing procedure for cerium, a yield up to 53% was estimated. Praseodymium yield amounts up to 91%."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03315","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":"2026-05-18T01:18:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rUejTx2hlLOFFsgDthlrfro49/WIumrTN9Qe2piGD3A3Kxcq4mcdiKQCSnLLdVzsVdP1hfwRJFUKFcxFC7qnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T11:56:23.147558Z"},"content_sha256":"760ce9a1d7342bbc7de282af1610966a7679891995b31a82bad3cf2132fe42b4","schema_version":"1.0","event_id":"sha256:760ce9a1d7342bbc7de282af1610966a7679891995b31a82bad3cf2132fe42b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CXRREE7NNVBPOT44JDO6KQAT7U/bundle.json","state_url":"https://pith.science/pith/CXRREE7NNVBPOT44JDO6KQAT7U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CXRREE7NNVBPOT44JDO6KQAT7U/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":"2026-05-24T11:56:23Z","links":{"resolver":"https://pith.science/pith/CXRREE7NNVBPOT44JDO6KQAT7U","bundle":"https://pith.science/pith/CXRREE7NNVBPOT44JDO6KQAT7U/bundle.json","state":"https://pith.science/pith/CXRREE7NNVBPOT44JDO6KQAT7U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CXRREE7NNVBPOT44JDO6KQAT7U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CXRREE7NNVBPOT44JDO6KQAT7U","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":"a9fb37fa4efe5aeca474c6aaf89ae5595efa8fe62f2efe9e419f2b8ccc701a8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-12T14:49:42Z","title_canon_sha256":"a6a826166a82ac530ee9fff22426c6719b9cef4dd1b7cc7883f1b8cf1d76ca5b"},"schema_version":"1.0","source":{"id":"1510.03315","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03315","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03315v2","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03315","created_at":"2026-05-18T01:18:32Z"},{"alias_kind":"pith_short_12","alias_value":"CXRREE7NNVBP","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CXRREE7NNVBPOT44","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CXRREE7N","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:760ce9a1d7342bbc7de282af1610966a7679891995b31a82bad3cf2132fe42b4","target":"graph","created_at":"2026-05-18T01:18:32Z","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":"Rare-earth ions doped into desired locations of optical crystals might enable a range of novel integrated photonic devices for quantum applications. With this aim, we have investigated the production yield of cerium and praseodymium by means of ion implantation. As a measure, the collected fluorescence intensity from both, implanted samples and single centers was used. With a tailored annealing procedure for cerium, a yield up to 53% was estimated. Praseodymium yield amounts up to 91%.","authors_text":"Andreas D. Wieck, Bruno Villa, Hans-Werner Becker, J\\\"org Wrachtrup, Kangwei Xia, Matthias Schreck, Nadezhda Kukharchyk, Petr Siyushev, Rainer St\\\"ohr, Rolf Reuter, Roman Kolesov, Thomas Kornher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-12T14:49:42Z","title":"Production yield of rare-earth ions implanted into an optical crystal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03315","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":"sha256:520feb2bd5875210afd2085997ea683b639629d3fceebbe8c9e5f7a3dfa95cda","target":"record","created_at":"2026-05-18T01:18:32Z","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":"a9fb37fa4efe5aeca474c6aaf89ae5595efa8fe62f2efe9e419f2b8ccc701a8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-12T14:49:42Z","title_canon_sha256":"a6a826166a82ac530ee9fff22426c6719b9cef4dd1b7cc7883f1b8cf1d76ca5b"},"schema_version":"1.0","source":{"id":"1510.03315","kind":"arxiv","version":2}},"canonical_sha256":"15e31213ed6d42f74f9c48dde54013fd1a3e09ea15d30cadb4ebca0c984abec6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15e31213ed6d42f74f9c48dde54013fd1a3e09ea15d30cadb4ebca0c984abec6","first_computed_at":"2026-05-18T01:18:32.883882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:32.883882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GIZSzaEynShrKgiLKtGeV9HqMYJiX3x3ZZ/V22OTzQ21wPbBfEMO54dGIBoWD8rI6AApWn2Ne7xrRKM1kLXrAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:32.884268Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.03315","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:520feb2bd5875210afd2085997ea683b639629d3fceebbe8c9e5f7a3dfa95cda","sha256:760ce9a1d7342bbc7de282af1610966a7679891995b31a82bad3cf2132fe42b4"],"state_sha256":"53514869364e4a563f698a9ff28db26476b7349868d117b995c58c116a31c5cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v5oi4yI3G/hr6v0RX9gIUjfAd3FB23cBr/pgN6IXCoDvSZQ5+8WjPLClzXHE010OKgxOgf/31derRUX08k9DAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T11:56:23.150809Z","bundle_sha256":"51a4eb9d00c1a295091a92151cbbae9253c857fcd50d1e6751a29ec76bc3bf68"}}