{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:J6L5WKXOQ63ZYUNRGQHVLDQNXN","short_pith_number":"pith:J6L5WKXO","canonical_record":{"source":{"id":"1509.01617","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T21:34:04Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"0499880998e801747d1d2777d30cc2dd2b125df9630ac23e67215c647ce7136c","abstract_canon_sha256":"9ea808aeb50494bc59bbb4b7e07efe1c1cadbaf222cac03ff8ba5edec3550010"},"schema_version":"1.0"},"canonical_sha256":"4f97db2aee87b79c51b1340f558e0dbb66a950594f3c1489120f24600cc8b5cc","source":{"kind":"arxiv","id":"1509.01617","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01617","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01617v2","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01617","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"pith_short_12","alias_value":"J6L5WKXOQ63Z","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"J6L5WKXOQ63ZYUNR","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"J6L5WKXO","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:J6L5WKXOQ63ZYUNRGQHVLDQNXN","target":"record","payload":{"canonical_record":{"source":{"id":"1509.01617","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T21:34:04Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"0499880998e801747d1d2777d30cc2dd2b125df9630ac23e67215c647ce7136c","abstract_canon_sha256":"9ea808aeb50494bc59bbb4b7e07efe1c1cadbaf222cac03ff8ba5edec3550010"},"schema_version":"1.0"},"canonical_sha256":"4f97db2aee87b79c51b1340f558e0dbb66a950594f3c1489120f24600cc8b5cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:48.928311Z","signature_b64":"UZ0fZlNYwgdWk9L9hzZe4UqOEhME3IvgghaIY84IC1ES1wy7Pvbb2/RoirpshPNvSPVJeTogLnQFPRDZ8SAvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f97db2aee87b79c51b1340f558e0dbb66a950594f3c1489120f24600cc8b5cc","last_reissued_at":"2026-05-18T01:16:48.927662Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:48.927662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.01617","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":"2026-05-18T01:16:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L8nenxSv0KzsiTHuem3CCJIuidz0XaMRttwAyj9uSq8Udp1WzNjOGsCV8vxipJkU3r7zURfPV9YFYeyOhDLpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:05:57.904669Z"},"content_sha256":"db5c4b61d8fa7262b355e0e12c685de65957bdc3bdaf1da8d8863ec02fe92901","schema_version":"1.0","event_id":"sha256:db5c4b61d8fa7262b355e0e12c685de65957bdc3bdaf1da8d8863ec02fe92901"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:J6L5WKXOQ63ZYUNRGQHVLDQNXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid Group IV Nanophotonic Structures Incorporating Diamond Silicon-Vacancy Color Centers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrey A. Fokin, Constantin Dory, Gabriel Ferro, Hitoshi Ishiwata, Jelena Vu\\v{c}kovi\\'c, Jeremy Dahl, Jingyuan Linda Zhang, Kai M\\\"uller, Konstantinos G. Lagoudakis, Marina Radulaski, Nicholas A. Melosh, Peter R. Schreiner, Robert Edgington, Thomas M. Babinec, Veronique Souli\\`ere, Zhi-Xun Shen","submitted_at":"2015-09-04T21:34:04Z","abstract_excerpt":"We demonstrate a new approach for engineering group IV semiconductor-based quantum photonic structures containing negatively charged silicon-vacancy (SiV$^-$) color centers in diamond as quantum emitters. Hybrid SiC/diamond structures are realized by combining the growth of nanoand micro-diamonds on silicon carbide (3C or 4H polytype) substrates, with the subsequent use of these diamond crystals as a hard mask for pattern transfer. SiV$^-$ color centers are incorporated in diamond during its synthesis from molecular diamond seeds (diamondoids), with no need for ionimplantation or annealing. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01617","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":"2026-05-18T01:16:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"085Y5iQw8ecu0F6o0DrMOqrw0BYUiG3kqnnS8AJo6Mo4G7SdCHoXBfddfrCmC+aikLRvVHDRkDXKcoJDLSgGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T08:05:57.905308Z"},"content_sha256":"962a60119e1a829e9e4202f9043a61108033811de6706391c42ded925fabf5f1","schema_version":"1.0","event_id":"sha256:962a60119e1a829e9e4202f9043a61108033811de6706391c42ded925fabf5f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/bundle.json","state_url":"https://pith.science/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/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":"2026-06-05T08:05:57Z","links":{"resolver":"https://pith.science/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN","bundle":"https://pith.science/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/bundle.json","state":"https://pith.science/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J6L5WKXOQ63ZYUNRGQHVLDQNXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:J6L5WKXOQ63ZYUNRGQHVLDQNXN","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":"9ea808aeb50494bc59bbb4b7e07efe1c1cadbaf222cac03ff8ba5edec3550010","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T21:34:04Z","title_canon_sha256":"0499880998e801747d1d2777d30cc2dd2b125df9630ac23e67215c647ce7136c"},"schema_version":"1.0","source":{"id":"1509.01617","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01617","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01617v2","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01617","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"pith_short_12","alias_value":"J6L5WKXOQ63Z","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"J6L5WKXOQ63ZYUNR","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"J6L5WKXO","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:962a60119e1a829e9e4202f9043a61108033811de6706391c42ded925fabf5f1","target":"graph","created_at":"2026-05-18T01:16:48Z","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 demonstrate a new approach for engineering group IV semiconductor-based quantum photonic structures containing negatively charged silicon-vacancy (SiV$^-$) color centers in diamond as quantum emitters. Hybrid SiC/diamond structures are realized by combining the growth of nanoand micro-diamonds on silicon carbide (3C or 4H polytype) substrates, with the subsequent use of these diamond crystals as a hard mask for pattern transfer. SiV$^-$ color centers are incorporated in diamond during its synthesis from molecular diamond seeds (diamondoids), with no need for ionimplantation or annealing. We","authors_text":"Andrey A. Fokin, Constantin Dory, Gabriel Ferro, Hitoshi Ishiwata, Jelena Vu\\v{c}kovi\\'c, Jeremy Dahl, Jingyuan Linda Zhang, Kai M\\\"uller, Konstantinos G. Lagoudakis, Marina Radulaski, Nicholas A. Melosh, Peter R. Schreiner, Robert Edgington, Thomas M. Babinec, Veronique Souli\\`ere, Zhi-Xun Shen","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T21:34:04Z","title":"Hybrid Group IV Nanophotonic Structures Incorporating Diamond Silicon-Vacancy Color Centers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01617","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:db5c4b61d8fa7262b355e0e12c685de65957bdc3bdaf1da8d8863ec02fe92901","target":"record","created_at":"2026-05-18T01:16:48Z","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":"9ea808aeb50494bc59bbb4b7e07efe1c1cadbaf222cac03ff8ba5edec3550010","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T21:34:04Z","title_canon_sha256":"0499880998e801747d1d2777d30cc2dd2b125df9630ac23e67215c647ce7136c"},"schema_version":"1.0","source":{"id":"1509.01617","kind":"arxiv","version":2}},"canonical_sha256":"4f97db2aee87b79c51b1340f558e0dbb66a950594f3c1489120f24600cc8b5cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f97db2aee87b79c51b1340f558e0dbb66a950594f3c1489120f24600cc8b5cc","first_computed_at":"2026-05-18T01:16:48.927662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:48.927662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UZ0fZlNYwgdWk9L9hzZe4UqOEhME3IvgghaIY84IC1ES1wy7Pvbb2/RoirpshPNvSPVJeTogLnQFPRDZ8SAvAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:48.928311Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.01617","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db5c4b61d8fa7262b355e0e12c685de65957bdc3bdaf1da8d8863ec02fe92901","sha256:962a60119e1a829e9e4202f9043a61108033811de6706391c42ded925fabf5f1"],"state_sha256":"18cdacf144ba67e3f71d93a5ee5d9992c9064b7dd49207988ccac7992f8cd9af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23zGVC9YQHroqJP1Fn1k5YAZWzR+Rvbx3VtCSZhZMpCeM3HvGFQwMbGxmf844Rkg10+go+GrXG5ktGZuVL4lDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T08:05:57.908762Z","bundle_sha256":"7402c726a44db880a9a11336ed162ff2b0db8f5ea0f3fc94c3fed163c9b5b948"}}