{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FFQUJQD2KOHSLXUHHIAYDWLAEA","short_pith_number":"pith:FFQUJQD2","canonical_record":{"source":{"id":"1503.05666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-19T07:47:01Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"24469b825428ffe491fa38c0ecabfd5cf18372544020bea457baad8ecacc5ff3","abstract_canon_sha256":"7268235c1f41a6916e591f9d0b7c2f4ae36ce0ef1519b689269b438248f9fa50"},"schema_version":"1.0"},"canonical_sha256":"296144c07a538f25de873a0181d960203c33b3a988ddf62b0a9bc35d821e92b6","source":{"kind":"arxiv","id":"1503.05666","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05666","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05666v1","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05666","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"FFQUJQD2KOHS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FFQUJQD2KOHSLXUH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FFQUJQD2","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FFQUJQD2KOHSLXUHHIAYDWLAEA","target":"record","payload":{"canonical_record":{"source":{"id":"1503.05666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-19T07:47:01Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"24469b825428ffe491fa38c0ecabfd5cf18372544020bea457baad8ecacc5ff3","abstract_canon_sha256":"7268235c1f41a6916e591f9d0b7c2f4ae36ce0ef1519b689269b438248f9fa50"},"schema_version":"1.0"},"canonical_sha256":"296144c07a538f25de873a0181d960203c33b3a988ddf62b0a9bc35d821e92b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:52.554071Z","signature_b64":"bllA4oIUD2nprDuHQQ82rMCsdu8nQH7VoRf8EbIQoXsWyPPOL9aWMyQ+xJUDmy5vPERV991j7Ww3JQp4TF89AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"296144c07a538f25de873a0181d960203c33b3a988ddf62b0a9bc35d821e92b6","last_reissued_at":"2026-05-18T01:55:52.553581Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:52.553581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.05666","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":"2026-05-18T01:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qYjnPTbjjNTb0orZnTWaGHuGBmP3ovo5qVKkyRfqQkJQO1NxwUY/6Y+na3IJVYJtovwkZ4tH+xjufPl2MMZwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:37:03.357299Z"},"content_sha256":"8fc0b0431d24ba1a4410ffc3097e2f4954a7f7b2fdafabb482eac6b4649c4482","schema_version":"1.0","event_id":"sha256:8fc0b0431d24ba1a4410ffc3097e2f4954a7f7b2fdafabb482eac6b4649c4482"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FFQUJQD2KOHSLXUHHIAYDWLAEA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nanoimplantation and Purcell enhancement of single NV centers in photonic crystal cavities in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Andrew M. Edmonds, Christoph Becher, Christoph Pauly, Frank M\\\"ucklich, Janine Riedrich-M\\\"oller, Jan Meijer, Matthew Markham, S\\'ebastien Pezzagna","submitted_at":"2015-03-19T07:47:01Z","abstract_excerpt":"We present the controlled creation of single nitrogen-vacancy (NV) centers via ion implantation at the center of a photonic crystal cavity which is fabricated in an ultrapure, single crystal diamond membrane. High-resolution placement of NV centers is achieved using collimation of a 5keV-nitrogen ion beam through a pierced tip of an atomic force microscope (AFM). We demonstrate coupling of the implanted NV centers' broad band fluorescence to a cavity mode and observe Purcell enhancement of the spontaneous emission. The results are in good agreement with a master equation model for the cavity c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05666","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":""},"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":"2026-05-18T01:55:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"atRmzDHcq6mPabsF9k8EOaK8Qh1/frQD7MNAQA9CAf7Rk+BD79qIO+VlYjoA0FS6lgen6trszP0Rh/Nvzu22Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:37:03.357691Z"},"content_sha256":"3e13e6b7c2f9ad8948107d304e42c18e3906cb28b8bd91b990380005eee50437","schema_version":"1.0","event_id":"sha256:3e13e6b7c2f9ad8948107d304e42c18e3906cb28b8bd91b990380005eee50437"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/bundle.json","state_url":"https://pith.science/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/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":"2026-05-28T07:37:03Z","links":{"resolver":"https://pith.science/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA","bundle":"https://pith.science/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/bundle.json","state":"https://pith.science/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FFQUJQD2KOHSLXUHHIAYDWLAEA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FFQUJQD2KOHSLXUHHIAYDWLAEA","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":"7268235c1f41a6916e591f9d0b7c2f4ae36ce0ef1519b689269b438248f9fa50","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-19T07:47:01Z","title_canon_sha256":"24469b825428ffe491fa38c0ecabfd5cf18372544020bea457baad8ecacc5ff3"},"schema_version":"1.0","source":{"id":"1503.05666","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05666","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05666v1","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05666","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"FFQUJQD2KOHS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FFQUJQD2KOHSLXUH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FFQUJQD2","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:3e13e6b7c2f9ad8948107d304e42c18e3906cb28b8bd91b990380005eee50437","target":"graph","created_at":"2026-05-18T01:55:52Z","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":"We present the controlled creation of single nitrogen-vacancy (NV) centers via ion implantation at the center of a photonic crystal cavity which is fabricated in an ultrapure, single crystal diamond membrane. High-resolution placement of NV centers is achieved using collimation of a 5keV-nitrogen ion beam through a pierced tip of an atomic force microscope (AFM). We demonstrate coupling of the implanted NV centers' broad band fluorescence to a cavity mode and observe Purcell enhancement of the spontaneous emission. The results are in good agreement with a master equation model for the cavity c","authors_text":"Andrew M. Edmonds, Christoph Becher, Christoph Pauly, Frank M\\\"ucklich, Janine Riedrich-M\\\"oller, Jan Meijer, Matthew Markham, S\\'ebastien Pezzagna","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-19T07:47:01Z","title":"Nanoimplantation and Purcell enhancement of single NV centers in photonic crystal cavities in diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05666","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":"sha256:8fc0b0431d24ba1a4410ffc3097e2f4954a7f7b2fdafabb482eac6b4649c4482","target":"record","created_at":"2026-05-18T01:55:52Z","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":"7268235c1f41a6916e591f9d0b7c2f4ae36ce0ef1519b689269b438248f9fa50","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-03-19T07:47:01Z","title_canon_sha256":"24469b825428ffe491fa38c0ecabfd5cf18372544020bea457baad8ecacc5ff3"},"schema_version":"1.0","source":{"id":"1503.05666","kind":"arxiv","version":1}},"canonical_sha256":"296144c07a538f25de873a0181d960203c33b3a988ddf62b0a9bc35d821e92b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"296144c07a538f25de873a0181d960203c33b3a988ddf62b0a9bc35d821e92b6","first_computed_at":"2026-05-18T01:55:52.553581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:52.553581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bllA4oIUD2nprDuHQQ82rMCsdu8nQH7VoRf8EbIQoXsWyPPOL9aWMyQ+xJUDmy5vPERV991j7Ww3JQp4TF89AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:52.554071Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.05666","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8fc0b0431d24ba1a4410ffc3097e2f4954a7f7b2fdafabb482eac6b4649c4482","sha256:3e13e6b7c2f9ad8948107d304e42c18e3906cb28b8bd91b990380005eee50437"],"state_sha256":"6ca7fab7369d5acfecdbddd0a8543a52a4007b66e59544b33acc218ee4e261b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CQ5bsefpRC1u6qLp9xI8zp6MvbI4AzmPGGpnAOEdZmvugsXx2W9fPSCmj+qz1E1N2eVx/i/acxDUMABROiNjAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:37:03.359782Z","bundle_sha256":"a0b978c312135b0de422726a7da7a706ff4f92adba568ea812d9e4d1a3e94eeb"}}