{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:UIRPIK7X3AESB5IMWLSO6EUQ7I","short_pith_number":"pith:UIRPIK7X","canonical_record":{"source":{"id":"1009.4224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-21T22:04:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2f2a9be977dc52b9597ec3fbe0bc290f50231de6c2367a95e7db6357ad241197","abstract_canon_sha256":"f345218f5e4bdbf9094bd2965fa7940c2c1328bba954c3f29929afeb1e633cf7"},"schema_version":"1.0"},"canonical_sha256":"a222f42bf7d80920f50cb2e4ef1290fa224cbf356f3f0415de79cf4c08008e51","source":{"kind":"arxiv","id":"1009.4224","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4224","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4224v1","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4224","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"UIRPIK7X3AES","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UIRPIK7X3AESB5IM","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UIRPIK7X","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:UIRPIK7X3AESB5IMWLSO6EUQ7I","target":"record","payload":{"canonical_record":{"source":{"id":"1009.4224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-21T22:04:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2f2a9be977dc52b9597ec3fbe0bc290f50231de6c2367a95e7db6357ad241197","abstract_canon_sha256":"f345218f5e4bdbf9094bd2965fa7940c2c1328bba954c3f29929afeb1e633cf7"},"schema_version":"1.0"},"canonical_sha256":"a222f42bf7d80920f50cb2e4ef1290fa224cbf356f3f0415de79cf4c08008e51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:18.948599Z","signature_b64":"QO63NqMnmNefLyEv8MLEwbAuOtrnOvh+b8Rb8UzLCX8eiOeGWaxGhYtbkqkzP05wrHU+yEsC9iDvM0VzRE4gDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a222f42bf7d80920f50cb2e4ef1290fa224cbf356f3f0415de79cf4c08008e51","last_reissued_at":"2026-05-18T02:05:18.947840Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:18.947840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.4224","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":"2026-05-18T02:05:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TE7R7W4brmQtK5ZibtkWQ93dHUfWoXP7QNViIOV8S3mi5ZyAxs2Ul/kKbWnODxtbJlM9nqQjes4o1Hd2ZUCuAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:54:10.553415Z"},"content_sha256":"9770943095259fb017402900b6e7c644614f3090fd1170ea79b2169e635bcbf2","schema_version":"1.0","event_id":"sha256:9770943095259fb017402900b6e7c644614f3090fd1170ea79b2169e635bcbf2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:UIRPIK7X3AESB5IMWLSO6EUQ7I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single Color Centers Implanted in Diamond Nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Yacoby, Birgit J. M. Hausmann, Irfan Bulu, Jennifer T. Choy, Jonathan S. Hodges, Marko Lon\\v{c}ar, M. D. Lukin, Sungkun Hong, Thomas M. Babinec","submitted_at":"2010-09-21T22:04:49Z","abstract_excerpt":"The development of materials processing techniques for optical diamond nanostructures containing a single color center is an important problem in quantum science and technology. In this work, we present the combination of ion implantation and top-down diamond nanofabrication in two scenarios: diamond nanopillars and diamond nanowires. The first device consists of a 'shallow' implant (~20nm) to generate Nitrogen-vacancy (NV) color centers near the top surface of the diamond crystal. Individual NV centers are then isolated mechanically by dry etching a regular array of nanopillars in the diamond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4224","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":"2026-05-18T02:05:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oVQT9CnSHkCk3ozf9kRPbYFk6iGDTUD0tyH333yShST6QNIOJRBnr0UmESb1KyJZXZ0dgW2YZsELE5hJyOo3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:54:10.554067Z"},"content_sha256":"16a997851bfb4f80bd99f4b6037785f13c8d21023981547c98a88ce1c4d686b3","schema_version":"1.0","event_id":"sha256:16a997851bfb4f80bd99f4b6037785f13c8d21023981547c98a88ce1c4d686b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/bundle.json","state_url":"https://pith.science/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/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":"2026-05-28T22:54:10Z","links":{"resolver":"https://pith.science/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I","bundle":"https://pith.science/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/bundle.json","state":"https://pith.science/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIRPIK7X3AESB5IMWLSO6EUQ7I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:UIRPIK7X3AESB5IMWLSO6EUQ7I","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":"f345218f5e4bdbf9094bd2965fa7940c2c1328bba954c3f29929afeb1e633cf7","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-21T22:04:49Z","title_canon_sha256":"2f2a9be977dc52b9597ec3fbe0bc290f50231de6c2367a95e7db6357ad241197"},"schema_version":"1.0","source":{"id":"1009.4224","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4224","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4224v1","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4224","created_at":"2026-05-18T02:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"UIRPIK7X3AES","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UIRPIK7X3AESB5IM","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UIRPIK7X","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:16a997851bfb4f80bd99f4b6037785f13c8d21023981547c98a88ce1c4d686b3","target":"graph","created_at":"2026-05-18T02:05:18Z","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 development of materials processing techniques for optical diamond nanostructures containing a single color center is an important problem in quantum science and technology. In this work, we present the combination of ion implantation and top-down diamond nanofabrication in two scenarios: diamond nanopillars and diamond nanowires. The first device consists of a 'shallow' implant (~20nm) to generate Nitrogen-vacancy (NV) color centers near the top surface of the diamond crystal. Individual NV centers are then isolated mechanically by dry etching a regular array of nanopillars in the diamond","authors_text":"A. Yacoby, Birgit J. M. Hausmann, Irfan Bulu, Jennifer T. Choy, Jonathan S. Hodges, Marko Lon\\v{c}ar, M. D. Lukin, Sungkun Hong, Thomas M. Babinec","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-21T22:04:49Z","title":"Single Color Centers Implanted in Diamond Nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4224","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":"sha256:9770943095259fb017402900b6e7c644614f3090fd1170ea79b2169e635bcbf2","target":"record","created_at":"2026-05-18T02:05:18Z","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":"f345218f5e4bdbf9094bd2965fa7940c2c1328bba954c3f29929afeb1e633cf7","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-21T22:04:49Z","title_canon_sha256":"2f2a9be977dc52b9597ec3fbe0bc290f50231de6c2367a95e7db6357ad241197"},"schema_version":"1.0","source":{"id":"1009.4224","kind":"arxiv","version":1}},"canonical_sha256":"a222f42bf7d80920f50cb2e4ef1290fa224cbf356f3f0415de79cf4c08008e51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a222f42bf7d80920f50cb2e4ef1290fa224cbf356f3f0415de79cf4c08008e51","first_computed_at":"2026-05-18T02:05:18.947840Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:18.947840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QO63NqMnmNefLyEv8MLEwbAuOtrnOvh+b8Rb8UzLCX8eiOeGWaxGhYtbkqkzP05wrHU+yEsC9iDvM0VzRE4gDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:18.948599Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.4224","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9770943095259fb017402900b6e7c644614f3090fd1170ea79b2169e635bcbf2","sha256:16a997851bfb4f80bd99f4b6037785f13c8d21023981547c98a88ce1c4d686b3"],"state_sha256":"30a67b736ec489321be2ef578bcc46e8d4c9850ef55aa1a2dd5465ea9000503c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YSMFMpy1QSVJFuEX6U5q2LnBT5lbxEDiPgnNmZ4zbAlLpWL4YdKaiF5mOtHWQrZArtW5s6byAmwrk2GJLguDAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:54:10.557367Z","bundle_sha256":"eea29145226e4a7924f7652d2b109c45b9ffd9ded3ecd1d992f0cec4975f95c1"}}