{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2TL2ARYT3IYZEJ2AXTCT4XA2WL","short_pith_number":"pith:2TL2ARYT","canonical_record":{"source":{"id":"1401.2795","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-13T11:35:32Z","cross_cats_sorted":[],"title_canon_sha256":"45aa9f7009d27a5226239c2e03c80f9996cba0ce341acdad9febb060f4ff4e2d","abstract_canon_sha256":"d447a0bbf4bffed647b3c91cd824da2cfc48b9c527c77372fb105cff564703c8"},"schema_version":"1.0"},"canonical_sha256":"d4d7a04713da31922740bcc53e5c1ab2d348e153093189f209f24c0d0a91c26d","source":{"kind":"arxiv","id":"1401.2795","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2795","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2795v2","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2795","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"2TL2ARYT3IYZ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2TL2ARYT3IYZEJ2A","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2TL2ARYT","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2TL2ARYT3IYZEJ2AXTCT4XA2WL","target":"record","payload":{"canonical_record":{"source":{"id":"1401.2795","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-13T11:35:32Z","cross_cats_sorted":[],"title_canon_sha256":"45aa9f7009d27a5226239c2e03c80f9996cba0ce341acdad9febb060f4ff4e2d","abstract_canon_sha256":"d447a0bbf4bffed647b3c91cd824da2cfc48b9c527c77372fb105cff564703c8"},"schema_version":"1.0"},"canonical_sha256":"d4d7a04713da31922740bcc53e5c1ab2d348e153093189f209f24c0d0a91c26d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:26.212614Z","signature_b64":"EGuZbRSk7a/RyssrKFzd80Q6IlErktPsbPP0UKUUFCKPeqU0sd0FrOFfR7mR331OFBDnZ4dqiRWmtJ916vGCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4d7a04713da31922740bcc53e5c1ab2d348e153093189f209f24c0d0a91c26d","last_reissued_at":"2026-05-18T01:45:26.212064Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:26.212064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.2795","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":"2026-05-18T01:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ig7JtC4sn05ZzHQ43+ELhy6gWt5sFCXUfEswXbDDrlssQJDKCPboi+fs7kHfTa/dE6qpLY5uo4iYOKy/ig7KAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:09:53.383109Z"},"content_sha256":"098004aff734fe8ab9df01e3530a5afba4eea8b67b4cdef2a87d8d1208c653a2","schema_version":"1.0","event_id":"sha256:098004aff734fe8ab9df01e3530a5afba4eea8b67b4cdef2a87d8d1208c653a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2TL2ARYT3IYZEJ2AXTCT4XA2WL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perfect preferential orientation of nitrogen-vacancy defects in a synthetic diamond sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Gicquel, A. Tallaire, J. Achard, J.-F. Roch, J.-P. Tetienne, M. Lesik, V. Jacques, V. Mille","submitted_at":"2014-01-13T11:35:32Z","abstract_excerpt":"We show that the orientation of nitrogen-vacancy (NV) defects in diamond can be efficiently controlled through chemical vapor deposition (CVD) growth on a (111)-oriented diamond substrate. More precisely, we demonstrate that spontaneously generated NV defects are oriented with a ~ 97 % probability along the [111] axis, corresponding to the most appealing orientation among the four possible crystallographic axes. Such a nearly perfect preferential orientation is explained by analyzing the diamond growth mechanism on a (111)-oriented substrate and could be extended to other types of defects. Thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2795","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":"2026-05-18T01:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oXmkVvD2Bg+LqreIHz3+9MnmlRjtfEFlSqAdXvSaLPy6n/IhRYQOXUMWoPQXREL692NIj28RQx9+jcQu05QCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:09:53.383471Z"},"content_sha256":"1fcb2d8161f374816cc8a6320be64e6b02f04426bb54e582af0592bc666d2d5a","schema_version":"1.0","event_id":"sha256:1fcb2d8161f374816cc8a6320be64e6b02f04426bb54e582af0592bc666d2d5a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/bundle.json","state_url":"https://pith.science/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/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":"2026-06-01T20:09:53Z","links":{"resolver":"https://pith.science/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL","bundle":"https://pith.science/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/bundle.json","state":"https://pith.science/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2TL2ARYT3IYZEJ2AXTCT4XA2WL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2TL2ARYT3IYZEJ2AXTCT4XA2WL","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":"d447a0bbf4bffed647b3c91cd824da2cfc48b9c527c77372fb105cff564703c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-13T11:35:32Z","title_canon_sha256":"45aa9f7009d27a5226239c2e03c80f9996cba0ce341acdad9febb060f4ff4e2d"},"schema_version":"1.0","source":{"id":"1401.2795","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2795","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2795v2","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2795","created_at":"2026-05-18T01:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"2TL2ARYT3IYZ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2TL2ARYT3IYZEJ2A","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2TL2ARYT","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:1fcb2d8161f374816cc8a6320be64e6b02f04426bb54e582af0592bc666d2d5a","target":"graph","created_at":"2026-05-18T01:45:26Z","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 show that the orientation of nitrogen-vacancy (NV) defects in diamond can be efficiently controlled through chemical vapor deposition (CVD) growth on a (111)-oriented diamond substrate. More precisely, we demonstrate that spontaneously generated NV defects are oriented with a ~ 97 % probability along the [111] axis, corresponding to the most appealing orientation among the four possible crystallographic axes. Such a nearly perfect preferential orientation is explained by analyzing the diamond growth mechanism on a (111)-oriented substrate and could be extended to other types of defects. Thi","authors_text":"A. Gicquel, A. Tallaire, J. Achard, J.-F. Roch, J.-P. Tetienne, M. Lesik, V. Jacques, V. Mille","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-13T11:35:32Z","title":"Perfect preferential orientation of nitrogen-vacancy defects in a synthetic diamond sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2795","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":"sha256:098004aff734fe8ab9df01e3530a5afba4eea8b67b4cdef2a87d8d1208c653a2","target":"record","created_at":"2026-05-18T01:45:26Z","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":"d447a0bbf4bffed647b3c91cd824da2cfc48b9c527c77372fb105cff564703c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-01-13T11:35:32Z","title_canon_sha256":"45aa9f7009d27a5226239c2e03c80f9996cba0ce341acdad9febb060f4ff4e2d"},"schema_version":"1.0","source":{"id":"1401.2795","kind":"arxiv","version":2}},"canonical_sha256":"d4d7a04713da31922740bcc53e5c1ab2d348e153093189f209f24c0d0a91c26d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4d7a04713da31922740bcc53e5c1ab2d348e153093189f209f24c0d0a91c26d","first_computed_at":"2026-05-18T01:45:26.212064Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:26.212064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EGuZbRSk7a/RyssrKFzd80Q6IlErktPsbPP0UKUUFCKPeqU0sd0FrOFfR7mR331OFBDnZ4dqiRWmtJ916vGCBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:26.212614Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.2795","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:098004aff734fe8ab9df01e3530a5afba4eea8b67b4cdef2a87d8d1208c653a2","sha256:1fcb2d8161f374816cc8a6320be64e6b02f04426bb54e582af0592bc666d2d5a"],"state_sha256":"2568b4c23aad98dadd5e736fa4ed99f3e1525ce20ef39bd28f8cc4218070ab6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fm/tqBlwaMKV0tXWw2YC79wJFsK/QuuE9+T54PP+qeYkamQOnMSJb8uW+4xghaH5c3sv6kZPEzIOPPAkju/pBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:09:53.385336Z","bundle_sha256":"debd5cd481d05f1e1b097740dd3aae67d4ef0a758f83c140d51611c48aa1b2a9"}}