{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GC2XZKPLCT3XHTQ6UEVG7KXPVG","short_pith_number":"pith:GC2XZKPL","canonical_record":{"source":{"id":"1603.08066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-26T03:37:29Z","cross_cats_sorted":[],"title_canon_sha256":"784254c9345ed429d8f02235fd8518e2d843d3eedb175d8a7544e907f6fd3b51","abstract_canon_sha256":"6f117400dfa14a85864468e143ffebbedfb613e351d3f6b81b3ee8e2b9bd6910"},"schema_version":"1.0"},"canonical_sha256":"30b57ca9eb14f773ce1ea12a6faaefa99acf10c5b2690c81639cbb7897eebb30","source":{"kind":"arxiv","id":"1603.08066","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08066","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08066v2","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08066","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"pith_short_12","alias_value":"GC2XZKPLCT3X","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"GC2XZKPLCT3XHTQ6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"GC2XZKPL","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GC2XZKPLCT3XHTQ6UEVG7KXPVG","target":"record","payload":{"canonical_record":{"source":{"id":"1603.08066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-26T03:37:29Z","cross_cats_sorted":[],"title_canon_sha256":"784254c9345ed429d8f02235fd8518e2d843d3eedb175d8a7544e907f6fd3b51","abstract_canon_sha256":"6f117400dfa14a85864468e143ffebbedfb613e351d3f6b81b3ee8e2b9bd6910"},"schema_version":"1.0"},"canonical_sha256":"30b57ca9eb14f773ce1ea12a6faaefa99acf10c5b2690c81639cbb7897eebb30","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:12.400761Z","signature_b64":"fyhRqlf3X2RQRKlRjN/Q+yw+sgFpDKavKPDj5D6cc5sn0QCdFI/hJpoSdGfE+zQP13MljO5h1PcW54u3GFLXAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30b57ca9eb14f773ce1ea12a6faaefa99acf10c5b2690c81639cbb7897eebb30","last_reissued_at":"2026-05-18T01:11:12.400243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:12.400243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.08066","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":"2026-05-18T01:11:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1EJKJMjTdNOkiRH8TratZ8icM9/wSJ/mlyoluMF5z5+Cpg/eP8FTOZsbQjg2RSg4Nwp2kpoGekIrjUckTcyTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:03:56.170727Z"},"content_sha256":"a194322d0bae890940849da5cc953dc9cb5001f3cb48d88a632e35ae5b5d3fc6","schema_version":"1.0","event_id":"sha256:a194322d0bae890940849da5cc953dc9cb5001f3cb48d88a632e35ae5b5d3fc6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GC2XZKPLCT3XHTQ6UEVG7KXPVG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Charge state dynamics of the nitrogen vacancy center in diamond under 1064 nm laser excitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"M. V. Gurudev Dutt, Peng Ji","submitted_at":"2016-03-26T03:37:29Z","abstract_excerpt":"The photophysics and charge state dynamics of the nitrogen vacancy (NV) center in diamond has been extensively investigated but is still not fully understood. In contrast to previous work, we find that NV$^{0}$ converts to NV$^{-}$ under excitation with low power near-infrared (1064 nm) light, resulting in $increased$ photoluminescence from the NV$^{-}$ state. We used a combination of spectral and time-resolved photoluminescence experiments and rate-equation modeling to conclude that NV$^{0}$ converts to NV$^{-}$ via absorption of 1064 nm photons from the valence band of diamond. We report fas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08066","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":"2026-05-18T01:11:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xJ83gVJRIB8+nr5AXIUowKhpzek3Xmp0agDORqPBg4Une0kiIkBOB8VZA7hWNlIsVlAAYai4NfJcA99iDIBeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:03:56.171459Z"},"content_sha256":"5418615662f6c95551d0d8ed87b75b236cae6fd310a7752b89f5db1e36a01555","schema_version":"1.0","event_id":"sha256:5418615662f6c95551d0d8ed87b75b236cae6fd310a7752b89f5db1e36a01555"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/bundle.json","state_url":"https://pith.science/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/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":"2026-05-26T19:03:56Z","links":{"resolver":"https://pith.science/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG","bundle":"https://pith.science/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/bundle.json","state":"https://pith.science/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GC2XZKPLCT3XHTQ6UEVG7KXPVG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GC2XZKPLCT3XHTQ6UEVG7KXPVG","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":"6f117400dfa14a85864468e143ffebbedfb613e351d3f6b81b3ee8e2b9bd6910","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-26T03:37:29Z","title_canon_sha256":"784254c9345ed429d8f02235fd8518e2d843d3eedb175d8a7544e907f6fd3b51"},"schema_version":"1.0","source":{"id":"1603.08066","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08066","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08066v2","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08066","created_at":"2026-05-18T01:11:12Z"},{"alias_kind":"pith_short_12","alias_value":"GC2XZKPLCT3X","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"GC2XZKPLCT3XHTQ6","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"GC2XZKPL","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:5418615662f6c95551d0d8ed87b75b236cae6fd310a7752b89f5db1e36a01555","target":"graph","created_at":"2026-05-18T01:11:12Z","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 photophysics and charge state dynamics of the nitrogen vacancy (NV) center in diamond has been extensively investigated but is still not fully understood. In contrast to previous work, we find that NV$^{0}$ converts to NV$^{-}$ under excitation with low power near-infrared (1064 nm) light, resulting in $increased$ photoluminescence from the NV$^{-}$ state. We used a combination of spectral and time-resolved photoluminescence experiments and rate-equation modeling to conclude that NV$^{0}$ converts to NV$^{-}$ via absorption of 1064 nm photons from the valence band of diamond. We report fas","authors_text":"M. V. Gurudev Dutt, Peng Ji","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-26T03:37:29Z","title":"Charge state dynamics of the nitrogen vacancy center in diamond under 1064 nm laser excitation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08066","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:a194322d0bae890940849da5cc953dc9cb5001f3cb48d88a632e35ae5b5d3fc6","target":"record","created_at":"2026-05-18T01:11:12Z","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":"6f117400dfa14a85864468e143ffebbedfb613e351d3f6b81b3ee8e2b9bd6910","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-26T03:37:29Z","title_canon_sha256":"784254c9345ed429d8f02235fd8518e2d843d3eedb175d8a7544e907f6fd3b51"},"schema_version":"1.0","source":{"id":"1603.08066","kind":"arxiv","version":2}},"canonical_sha256":"30b57ca9eb14f773ce1ea12a6faaefa99acf10c5b2690c81639cbb7897eebb30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30b57ca9eb14f773ce1ea12a6faaefa99acf10c5b2690c81639cbb7897eebb30","first_computed_at":"2026-05-18T01:11:12.400243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:12.400243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fyhRqlf3X2RQRKlRjN/Q+yw+sgFpDKavKPDj5D6cc5sn0QCdFI/hJpoSdGfE+zQP13MljO5h1PcW54u3GFLXAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:12.400761Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.08066","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a194322d0bae890940849da5cc953dc9cb5001f3cb48d88a632e35ae5b5d3fc6","sha256:5418615662f6c95551d0d8ed87b75b236cae6fd310a7752b89f5db1e36a01555"],"state_sha256":"e796cbd2615aa15a4df004fe8f717ba062f6860b9e25eae7e52aec276351d156"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"owBr3CeJP1BAgFkoC3QqyPaFvhONQYhk7E2Zs1u4WyIDuvzM6J1yCYZJPJkKI/GoQMsHcnhfG/WkIuVHmBLCBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:03:56.175635Z","bundle_sha256":"11b9cb22afbae11d292ff53f2a1c6c6084db6e58bbf256ba9c35383c884e8fbd"}}