{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:KH5UBNUG3WSHV72DP66BCKCD7A","short_pith_number":"pith:KH5UBNUG","canonical_record":{"source":{"id":"1209.0268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-03T08:27:38Z","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"title_canon_sha256":"3a9e746bb83f59c6e2442e8916db7522ec77acc9af81660bd4c0f2e24d940a6d","abstract_canon_sha256":"cb03048d46f3ac935b61b33d314f46936cdde02da152c43dafc19c8747ffa550"},"schema_version":"1.0"},"canonical_sha256":"51fb40b686dda47aff437fbc112843f839ec9c3227ce218b137b1cf65ba955a5","source":{"kind":"arxiv","id":"1209.0268","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0268","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0268v1","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0268","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"pith_short_12","alias_value":"KH5UBNUG3WSH","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KH5UBNUG3WSHV72D","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KH5UBNUG","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:KH5UBNUG3WSHV72DP66BCKCD7A","target":"record","payload":{"canonical_record":{"source":{"id":"1209.0268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-03T08:27:38Z","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"title_canon_sha256":"3a9e746bb83f59c6e2442e8916db7522ec77acc9af81660bd4c0f2e24d940a6d","abstract_canon_sha256":"cb03048d46f3ac935b61b33d314f46936cdde02da152c43dafc19c8747ffa550"},"schema_version":"1.0"},"canonical_sha256":"51fb40b686dda47aff437fbc112843f839ec9c3227ce218b137b1cf65ba955a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:31.798336Z","signature_b64":"K3KCWL0q02WqsM8SDLbjrGoueZR4SBFDjiGh2JpolJx5IGlr7lP2Qn6WfQYHD98cFTvBmh5iPExid3aQEZKNAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51fb40b686dda47aff437fbc112843f839ec9c3227ce218b137b1cf65ba955a5","last_reissued_at":"2026-05-18T00:32:31.797658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:31.797658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.0268","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":"2026-05-18T00:32:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ZcNqWYnUBf9xKzIn2KCIngjmEla0Zss9TcTL8CGGcEj/moXOmB+qg3XHfD74Ou4F1etXX1U4Gn8KSr4NmloCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:35:29.000778Z"},"content_sha256":"32867261fc313bfe5eefbda2ccc561a7e711e4128e1ae64d297a8bc853575897","schema_version":"1.0","event_id":"sha256:32867261fc313bfe5eefbda2ccc561a7e711e4128e1ae64d297a8bc853575897"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:KH5UBNUG3WSHV72DP66BCKCD7A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photo induced ionization dynamics of the nitrogen vacancy defect in diamond investigated by single shot charge state detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"F. Jelezko, G. Waldherr, J. Wrachtrup, N. Aslam, P. Neumann","submitted_at":"2012-09-03T08:27:38Z","abstract_excerpt":"The nitrogen-vacancy centre (NV) has drawn much attention for over a decade, yet detailed knowledge of the photophysics needs to be established. Under typical conditions, the NV can have two stable charge states, negative (NV-) or neutral (NV0), with photo induced interconversion of these two states. Here, we present detailed studies of the ionization dynamics of single NV centres in bulk diamond at room temperature during illumination in dependence of the excitation wavelength and power. We apply a recent method which allows us to directly measure the charge state of a single NV centre, and o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0268","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":"2026-05-18T00:32:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zOKQZAoLHWmHEil4yL32ZTfU1FkZLtkmPh1PhjbgVHtgsQJsJtB8Y9CBiQY2PHA8r0Nu01B6WqdKU7ZuCPGRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:35:29.001127Z"},"content_sha256":"eef8e8e96382fc76bdc401370ff3448e7f2c2e046b33ecce58c444d55a4b8af8","schema_version":"1.0","event_id":"sha256:eef8e8e96382fc76bdc401370ff3448e7f2c2e046b33ecce58c444d55a4b8af8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KH5UBNUG3WSHV72DP66BCKCD7A/bundle.json","state_url":"https://pith.science/pith/KH5UBNUG3WSHV72DP66BCKCD7A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KH5UBNUG3WSHV72DP66BCKCD7A/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":"2026-06-02T14:35:29Z","links":{"resolver":"https://pith.science/pith/KH5UBNUG3WSHV72DP66BCKCD7A","bundle":"https://pith.science/pith/KH5UBNUG3WSHV72DP66BCKCD7A/bundle.json","state":"https://pith.science/pith/KH5UBNUG3WSHV72DP66BCKCD7A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KH5UBNUG3WSHV72DP66BCKCD7A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:KH5UBNUG3WSHV72DP66BCKCD7A","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":"cb03048d46f3ac935b61b33d314f46936cdde02da152c43dafc19c8747ffa550","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-03T08:27:38Z","title_canon_sha256":"3a9e746bb83f59c6e2442e8916db7522ec77acc9af81660bd4c0f2e24d940a6d"},"schema_version":"1.0","source":{"id":"1209.0268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0268","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0268v1","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0268","created_at":"2026-05-18T00:32:31Z"},{"alias_kind":"pith_short_12","alias_value":"KH5UBNUG3WSH","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KH5UBNUG3WSHV72D","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KH5UBNUG","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:eef8e8e96382fc76bdc401370ff3448e7f2c2e046b33ecce58c444d55a4b8af8","target":"graph","created_at":"2026-05-18T00:32:31Z","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 nitrogen-vacancy centre (NV) has drawn much attention for over a decade, yet detailed knowledge of the photophysics needs to be established. Under typical conditions, the NV can have two stable charge states, negative (NV-) or neutral (NV0), with photo induced interconversion of these two states. Here, we present detailed studies of the ionization dynamics of single NV centres in bulk diamond at room temperature during illumination in dependence of the excitation wavelength and power. We apply a recent method which allows us to directly measure the charge state of a single NV centre, and o","authors_text":"F. Jelezko, G. Waldherr, J. Wrachtrup, N. Aslam, P. Neumann","cross_cats":["cond-mat.mes-hall","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-03T08:27:38Z","title":"Photo induced ionization dynamics of the nitrogen vacancy defect in diamond investigated by single shot charge state detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0268","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":"sha256:32867261fc313bfe5eefbda2ccc561a7e711e4128e1ae64d297a8bc853575897","target":"record","created_at":"2026-05-18T00:32:31Z","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":"cb03048d46f3ac935b61b33d314f46936cdde02da152c43dafc19c8747ffa550","cross_cats_sorted":["cond-mat.mes-hall","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-03T08:27:38Z","title_canon_sha256":"3a9e746bb83f59c6e2442e8916db7522ec77acc9af81660bd4c0f2e24d940a6d"},"schema_version":"1.0","source":{"id":"1209.0268","kind":"arxiv","version":1}},"canonical_sha256":"51fb40b686dda47aff437fbc112843f839ec9c3227ce218b137b1cf65ba955a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51fb40b686dda47aff437fbc112843f839ec9c3227ce218b137b1cf65ba955a5","first_computed_at":"2026-05-18T00:32:31.797658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:31.797658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K3KCWL0q02WqsM8SDLbjrGoueZR4SBFDjiGh2JpolJx5IGlr7lP2Qn6WfQYHD98cFTvBmh5iPExid3aQEZKNAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:31.798336Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.0268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32867261fc313bfe5eefbda2ccc561a7e711e4128e1ae64d297a8bc853575897","sha256:eef8e8e96382fc76bdc401370ff3448e7f2c2e046b33ecce58c444d55a4b8af8"],"state_sha256":"87c5791784e750c56bb0df5cd47d052f6b39c04adb5069b1cafbe0937cf269cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x5WIn+O1stCHMaOebRdFfuFHmOrPTJybQhbMQSfoXzXF0+0XOOiCDvPwAo2HVazWJV+LSvtXHQdarYUqEXySCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:35:29.003144Z","bundle_sha256":"5820192c143905c15bb3958a6e7d12b6853ab182fa93efc35fd94830c8fc50d2"}}