{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TOC5VNVFDMVCRG46F2H7XI476Z","short_pith_number":"pith:TOC5VNVF","canonical_record":{"source":{"id":"1302.2154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-08T21:08:03Z","cross_cats_sorted":[],"title_canon_sha256":"29db454e882ff3edde27f353e5a166da9d2d373cf94f1d89698354016964d4d0","abstract_canon_sha256":"ce82e3f5e53402a4e5a3f491624ab0a0b91cf28aea7c1771181cdcf6de8208f2"},"schema_version":"1.0"},"canonical_sha256":"9b85dab6a51b2a289b9e2e8ffba39ff65ca8cb1e05e5051eab6afff1d9f6b2fb","source":{"kind":"arxiv","id":"1302.2154","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2154","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2154v1","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2154","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"TOC5VNVFDMVC","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TOC5VNVFDMVCRG46","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TOC5VNVF","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TOC5VNVFDMVCRG46F2H7XI476Z","target":"record","payload":{"canonical_record":{"source":{"id":"1302.2154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-08T21:08:03Z","cross_cats_sorted":[],"title_canon_sha256":"29db454e882ff3edde27f353e5a166da9d2d373cf94f1d89698354016964d4d0","abstract_canon_sha256":"ce82e3f5e53402a4e5a3f491624ab0a0b91cf28aea7c1771181cdcf6de8208f2"},"schema_version":"1.0"},"canonical_sha256":"9b85dab6a51b2a289b9e2e8ffba39ff65ca8cb1e05e5051eab6afff1d9f6b2fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:43.218731Z","signature_b64":"IPIOchORA/yE6i4a04Yz+AVXiZHRixY24mIU7eEsYg/XCVvLLcB4qriJyfXmgfouxA+lao6Zeydd4JmhZjgdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b85dab6a51b2a289b9e2e8ffba39ff65ca8cb1e05e5051eab6afff1d9f6b2fb","last_reissued_at":"2026-05-18T01:51:43.218156Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:43.218156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.2154","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":"2026-05-18T01:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9bV1oQeztCNmGaX9CSSua9vv86sX7S5jlHjXZRHHPb/c0L+qH0kDh6jQj1G3LpzBoc+xB6+Yd5gb+0LEudu+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:16:23.305104Z"},"content_sha256":"17e6402ddc27c0100308d42098de72aecba8f7a7151eec543e150268b896b3cb","schema_version":"1.0","event_id":"sha256:17e6402ddc27c0100308d42098de72aecba8f7a7151eec543e150268b896b3cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TOC5VNVFDMVCRG46F2H7XI476Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quenching nitrogen-vacancy center photoluminescence with infrared pulsed laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"D. Zheng, F. Treussart, H.-C. Chang, J.-F. Roch, N. D. Lai, O. Faklaris, V. Jacques","submitted_at":"2013-02-08T21:08:03Z","abstract_excerpt":"Diamond nanocrystals containing Nitrogen-Vacancy (NV) color centers have been used in recent years as fluorescent probes for near-field and cellular imaging. In this work we report that an infrared (IR) pulsed excitation beam can quench the photoluminescence of NV color center in a diamond nanocrystal (size < 50 nm) with an extinction ratio as high as ~90%. We attribute this effect to the heating of the nanocrystal consecutive to multi-photon absorption by the diamond matrix. This quenching is reversible: the photoluminescence intensity goes back to its original value when the IR laser beam is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2154","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":"2026-05-18T01:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hiGz1sxNKudsBpxB/BWQF5h0Yqz0F9OiKvGFtjkxdLdwjVgn4QHBH1osZ7uFMcVAD+plG54PbqOt/O/V0VhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:16:23.305613Z"},"content_sha256":"8a2c8d48d454694d1da37c4abecfd17bd8c672275a5f6e56e53e3cc6480fdbc1","schema_version":"1.0","event_id":"sha256:8a2c8d48d454694d1da37c4abecfd17bd8c672275a5f6e56e53e3cc6480fdbc1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TOC5VNVFDMVCRG46F2H7XI476Z/bundle.json","state_url":"https://pith.science/pith/TOC5VNVFDMVCRG46F2H7XI476Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TOC5VNVFDMVCRG46F2H7XI476Z/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":"2026-05-30T13:16:23Z","links":{"resolver":"https://pith.science/pith/TOC5VNVFDMVCRG46F2H7XI476Z","bundle":"https://pith.science/pith/TOC5VNVFDMVCRG46F2H7XI476Z/bundle.json","state":"https://pith.science/pith/TOC5VNVFDMVCRG46F2H7XI476Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TOC5VNVFDMVCRG46F2H7XI476Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TOC5VNVFDMVCRG46F2H7XI476Z","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":"ce82e3f5e53402a4e5a3f491624ab0a0b91cf28aea7c1771181cdcf6de8208f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-08T21:08:03Z","title_canon_sha256":"29db454e882ff3edde27f353e5a166da9d2d373cf94f1d89698354016964d4d0"},"schema_version":"1.0","source":{"id":"1302.2154","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2154","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2154v1","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2154","created_at":"2026-05-18T01:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"TOC5VNVFDMVC","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TOC5VNVFDMVCRG46","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TOC5VNVF","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:8a2c8d48d454694d1da37c4abecfd17bd8c672275a5f6e56e53e3cc6480fdbc1","target":"graph","created_at":"2026-05-18T01:51:43Z","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":"Diamond nanocrystals containing Nitrogen-Vacancy (NV) color centers have been used in recent years as fluorescent probes for near-field and cellular imaging. In this work we report that an infrared (IR) pulsed excitation beam can quench the photoluminescence of NV color center in a diamond nanocrystal (size < 50 nm) with an extinction ratio as high as ~90%. We attribute this effect to the heating of the nanocrystal consecutive to multi-photon absorption by the diamond matrix. This quenching is reversible: the photoluminescence intensity goes back to its original value when the IR laser beam is","authors_text":"D. Zheng, F. Treussart, H.-C. Chang, J.-F. Roch, N. D. Lai, O. Faklaris, V. Jacques","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-08T21:08:03Z","title":"Quenching nitrogen-vacancy center photoluminescence with infrared pulsed laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2154","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":"sha256:17e6402ddc27c0100308d42098de72aecba8f7a7151eec543e150268b896b3cb","target":"record","created_at":"2026-05-18T01:51:43Z","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":"ce82e3f5e53402a4e5a3f491624ab0a0b91cf28aea7c1771181cdcf6de8208f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-02-08T21:08:03Z","title_canon_sha256":"29db454e882ff3edde27f353e5a166da9d2d373cf94f1d89698354016964d4d0"},"schema_version":"1.0","source":{"id":"1302.2154","kind":"arxiv","version":1}},"canonical_sha256":"9b85dab6a51b2a289b9e2e8ffba39ff65ca8cb1e05e5051eab6afff1d9f6b2fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b85dab6a51b2a289b9e2e8ffba39ff65ca8cb1e05e5051eab6afff1d9f6b2fb","first_computed_at":"2026-05-18T01:51:43.218156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:43.218156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IPIOchORA/yE6i4a04Yz+AVXiZHRixY24mIU7eEsYg/XCVvLLcB4qriJyfXmgfouxA+lao6Zeydd4JmhZjgdBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:43.218731Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.2154","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17e6402ddc27c0100308d42098de72aecba8f7a7151eec543e150268b896b3cb","sha256:8a2c8d48d454694d1da37c4abecfd17bd8c672275a5f6e56e53e3cc6480fdbc1"],"state_sha256":"6923638d6cdb2b36321b9dd869c189a32b70dd2012209adbebc65412c8199e4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PsI6LZRLLjw7PTO6SBQJ+Uq64KLx1+3NucDoX6iBwx8fWg2gX4FckdF6BzeWpNRItEXdUZL2+Y4MpAJrW8arBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:16:23.308185Z","bundle_sha256":"8bb49dc3c688bfecb4ccfbe42a99b7e38ed39a03850926260e0c01d20acaa8e2"}}