{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:DMPF264KOUA7LYFLFE7GZXWZUA","short_pith_number":"pith:DMPF264K","canonical_record":{"source":{"id":"1007.0240","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-01T19:38:12Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"87fbb38d882bc623b656273ee7670c8da1f88de898894ac671c42a0585be6fe7","abstract_canon_sha256":"974c07586448049dc14a2a663284ded1298c78c996778d557c6e380715c76812"},"schema_version":"1.0"},"canonical_sha256":"1b1e5d7b8a7501f5e0ab293e6cded9a028cf472acefb99a22877acac154e0681","source":{"kind":"arxiv","id":"1007.0240","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.0240","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"arxiv_version","alias_value":"1007.0240v2","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.0240","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"pith_short_12","alias_value":"DMPF264KOUA7","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DMPF264KOUA7LYFL","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DMPF264K","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:DMPF264KOUA7LYFLFE7GZXWZUA","target":"record","payload":{"canonical_record":{"source":{"id":"1007.0240","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-01T19:38:12Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"87fbb38d882bc623b656273ee7670c8da1f88de898894ac671c42a0585be6fe7","abstract_canon_sha256":"974c07586448049dc14a2a663284ded1298c78c996778d557c6e380715c76812"},"schema_version":"1.0"},"canonical_sha256":"1b1e5d7b8a7501f5e0ab293e6cded9a028cf472acefb99a22877acac154e0681","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:45.520934Z","signature_b64":"Nd5h4AJ0652grHM1VhuZlfmwJucRYZjPY6iwg5XmKmkhfOov7d3G5gNeWVcaSkvmvrXSQbhXYtagZEIXq0QrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b1e5d7b8a7501f5e0ab293e6cded9a028cf472acefb99a22877acac154e0681","last_reissued_at":"2026-05-18T04:42:45.520286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:45.520286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.0240","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":"2026-05-18T04:42:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0o43NVCmhlfjzRgsql+iI1sJVD44VP0b+8tqeQaMrh5GIRLTq8Ph1EJ73pIbxIFrE5FT8peX1rqVaB8AYdanDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T22:20:59.051109Z"},"content_sha256":"6ddce86ddc5d626798d387285012ac9477256b9eb3f2142dfbeba8b69548a663","schema_version":"1.0","event_id":"sha256:6ddce86ddc5d626798d387285012ac9477256b9eb3f2142dfbeba8b69548a663"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:DMPF264KOUA7LYFLFE7GZXWZUA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chip-scale nanofabrication of single spins and spin arrays in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Christoph D. Weis, David D. Awschalom, David M. Toyli, Gregory D. Fuchs, Thomas Schenkel","submitted_at":"2010-07-01T19:38:12Z","abstract_excerpt":"We demonstrate a technique to nanofabricate nitrogen vacancy (NV) centers in diamond based on broad-beam nitrogen implantation through apertures in electron beam lithography resist. This method enables high-throughput nanofabrication of single NV centers on sub-100 nm length scales. Secondary ion mass spectroscopy (SIMS) measurements facilitate depth profiling of the implanted nitrogen to provide three-dimensional characterization of the NV center spatial distribution. Measurements of NV center coherence with on-chip coplanar waveguides suggest a pathway for incorporating this scalable nanofab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.0240","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":"2026-05-18T04:42:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QNBb/y4cXCeMrbxAU6AndLnV+5HUu2FiUYhr84p2XEBjfGkRvYjf0bodL5woHzhJDpUTpZRQUdHXbzVNXWMNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T22:20:59.051527Z"},"content_sha256":"c5e3ff5dda7d0f9f0737ab74bb114fab98d93246e40859b1278642507620fb12","schema_version":"1.0","event_id":"sha256:c5e3ff5dda7d0f9f0737ab74bb114fab98d93246e40859b1278642507620fb12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DMPF264KOUA7LYFLFE7GZXWZUA/bundle.json","state_url":"https://pith.science/pith/DMPF264KOUA7LYFLFE7GZXWZUA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DMPF264KOUA7LYFLFE7GZXWZUA/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":"2026-05-19T22:20:59Z","links":{"resolver":"https://pith.science/pith/DMPF264KOUA7LYFLFE7GZXWZUA","bundle":"https://pith.science/pith/DMPF264KOUA7LYFLFE7GZXWZUA/bundle.json","state":"https://pith.science/pith/DMPF264KOUA7LYFLFE7GZXWZUA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DMPF264KOUA7LYFLFE7GZXWZUA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:DMPF264KOUA7LYFLFE7GZXWZUA","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":"974c07586448049dc14a2a663284ded1298c78c996778d557c6e380715c76812","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-01T19:38:12Z","title_canon_sha256":"87fbb38d882bc623b656273ee7670c8da1f88de898894ac671c42a0585be6fe7"},"schema_version":"1.0","source":{"id":"1007.0240","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.0240","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"arxiv_version","alias_value":"1007.0240v2","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.0240","created_at":"2026-05-18T04:42:45Z"},{"alias_kind":"pith_short_12","alias_value":"DMPF264KOUA7","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DMPF264KOUA7LYFL","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DMPF264K","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:c5e3ff5dda7d0f9f0737ab74bb114fab98d93246e40859b1278642507620fb12","target":"graph","created_at":"2026-05-18T04:42:45Z","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 technique to nanofabricate nitrogen vacancy (NV) centers in diamond based on broad-beam nitrogen implantation through apertures in electron beam lithography resist. This method enables high-throughput nanofabrication of single NV centers on sub-100 nm length scales. Secondary ion mass spectroscopy (SIMS) measurements facilitate depth profiling of the implanted nitrogen to provide three-dimensional characterization of the NV center spatial distribution. Measurements of NV center coherence with on-chip coplanar waveguides suggest a pathway for incorporating this scalable nanofab","authors_text":"Christoph D. Weis, David D. Awschalom, David M. Toyli, Gregory D. Fuchs, Thomas Schenkel","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-01T19:38:12Z","title":"Chip-scale nanofabrication of single spins and spin arrays in diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.0240","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":"sha256:6ddce86ddc5d626798d387285012ac9477256b9eb3f2142dfbeba8b69548a663","target":"record","created_at":"2026-05-18T04:42:45Z","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":"974c07586448049dc14a2a663284ded1298c78c996778d557c6e380715c76812","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-01T19:38:12Z","title_canon_sha256":"87fbb38d882bc623b656273ee7670c8da1f88de898894ac671c42a0585be6fe7"},"schema_version":"1.0","source":{"id":"1007.0240","kind":"arxiv","version":2}},"canonical_sha256":"1b1e5d7b8a7501f5e0ab293e6cded9a028cf472acefb99a22877acac154e0681","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b1e5d7b8a7501f5e0ab293e6cded9a028cf472acefb99a22877acac154e0681","first_computed_at":"2026-05-18T04:42:45.520286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:45.520286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nd5h4AJ0652grHM1VhuZlfmwJucRYZjPY6iwg5XmKmkhfOov7d3G5gNeWVcaSkvmvrXSQbhXYtagZEIXq0QrBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:45.520934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.0240","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ddce86ddc5d626798d387285012ac9477256b9eb3f2142dfbeba8b69548a663","sha256:c5e3ff5dda7d0f9f0737ab74bb114fab98d93246e40859b1278642507620fb12"],"state_sha256":"0f733b59f054b56caa62f9d1360feb19c43b6355b0268d7c6f8f64b3c4686032"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+BaDAvjhQCxvrLsMviv+Okx+9RbjiydFjKw3WBSsW5OUsovlC7froXGJw7Dnti8ZKgMlh/g5Hth6uhW5SA9qCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T22:20:59.053519Z","bundle_sha256":"7949334bf45478dbd3a201727032cc610cec98ee17f49aee71c7e5fc63114bce"}}