{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:BRPJDX3U24BD4W4P53FGOUNX2Z","short_pith_number":"pith:BRPJDX3U","canonical_record":{"source":{"id":"2105.01715","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-05-04T19:08:35Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"2518f1051b91009d828a00fcbb3cf37f8282ca7af80f23517125e7e12ac73484","abstract_canon_sha256":"65e538d933c23d0397687807e75eae200279d2a4548be4a44029661e3dc2dd03"},"schema_version":"1.0"},"canonical_sha256":"0c5e91df74d7023e5b8feeca6751b7d65e6944bd23316b45865f9269f1209049","source":{"kind":"arxiv","id":"2105.01715","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.01715","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"2105.01715v2","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.01715","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"BRPJDX3U24BD","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_16","alias_value":"BRPJDX3U24BD4W4P","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_8","alias_value":"BRPJDX3U","created_at":"2026-07-05T02:48:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:BRPJDX3U24BD4W4P53FGOUNX2Z","target":"record","payload":{"canonical_record":{"source":{"id":"2105.01715","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-05-04T19:08:35Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"2518f1051b91009d828a00fcbb3cf37f8282ca7af80f23517125e7e12ac73484","abstract_canon_sha256":"65e538d933c23d0397687807e75eae200279d2a4548be4a44029661e3dc2dd03"},"schema_version":"1.0"},"canonical_sha256":"0c5e91df74d7023e5b8feeca6751b7d65e6944bd23316b45865f9269f1209049","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:48:23.161328Z","signature_b64":"5cJHDazEt+sLeAR/7cBiolVEVR/Mgxw04ZM5UJlAM8ePu3nReS0Qm/iKLlN4T0Q8rp4+Go+vHZm1ZjXzRgW4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c5e91df74d7023e5b8feeca6751b7d65e6944bd23316b45865f9269f1209049","last_reissued_at":"2026-07-05T02:48:23.160865Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:48:23.160865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.01715","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":"2026-07-05T02:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snHgDWcttW5rD3UR9cMcsmRuge9NMYFbrhOZR/BbUuJ8Qc9bkMV6BiC3lGh4FyPWKP8yzZTYFu4hz+6yzeXMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:14:25.916757Z"},"content_sha256":"e9be3733baa709150525247dfb0503b130442ccedbfbf9616f290e88c690eb0c","schema_version":"1.0","event_id":"sha256:e9be3733baa709150525247dfb0503b130442ccedbfbf9616f290e88c690eb0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:BRPJDX3U24BD4W4P53FGOUNX2Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coupling of a Single Tin-vacancy Center to a Photonic Crystal Cavity in Diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Benjamin Pingault, Carsten Ronning, Cleaven Chia, Dylan Renaud, Kazuhiro Kuruma, Marko Lon\\v{c}ar, Patrick Hoffmann, Satoshi Iwamoto","submitted_at":"2021-05-04T19:08:35Z","abstract_excerpt":"We demonstrate optical coupling between a single tin-vacancy (SnV) center in diamond and a free-standing photonic crystal nanobeam cavity. The cavities are fabricated using quasi-isotropic etching and feature experimentally measured quality factors as high as ~11,000. We investigate the dependence of a single SnV center's emission by controlling the cavity wavelength using a laser-induced gas desorption technique. Under resonance conditions, we observe an intensity enhancement of the SnV emission by a factor of 12 and a 16-fold reduction of the SnV lifetime. Based on the large enhancement of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01715","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.01715/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:48:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gYDdtmtPGn1JS+6Wdu+ZOVECi3QDqqRRgPmdApEF1Was45bu3COxDqZ1IlpIS9EDt3Ykk4NvJqSHJTZRODUyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:14:25.917137Z"},"content_sha256":"539e0ec864e7faedc4622e18020a61efd613411e0a86f512df7828660854adf6","schema_version":"1.0","event_id":"sha256:539e0ec864e7faedc4622e18020a61efd613411e0a86f512df7828660854adf6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/bundle.json","state_url":"https://pith.science/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/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":"2026-07-05T12:14:25Z","links":{"resolver":"https://pith.science/pith/BRPJDX3U24BD4W4P53FGOUNX2Z","bundle":"https://pith.science/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/bundle.json","state":"https://pith.science/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BRPJDX3U24BD4W4P53FGOUNX2Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:BRPJDX3U24BD4W4P53FGOUNX2Z","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":"65e538d933c23d0397687807e75eae200279d2a4548be4a44029661e3dc2dd03","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-05-04T19:08:35Z","title_canon_sha256":"2518f1051b91009d828a00fcbb3cf37f8282ca7af80f23517125e7e12ac73484"},"schema_version":"1.0","source":{"id":"2105.01715","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.01715","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"arxiv_version","alias_value":"2105.01715v2","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.01715","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_12","alias_value":"BRPJDX3U24BD","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_16","alias_value":"BRPJDX3U24BD4W4P","created_at":"2026-07-05T02:48:23Z"},{"alias_kind":"pith_short_8","alias_value":"BRPJDX3U","created_at":"2026-07-05T02:48:23Z"}],"graph_snapshots":[{"event_id":"sha256:539e0ec864e7faedc4622e18020a61efd613411e0a86f512df7828660854adf6","target":"graph","created_at":"2026-07-05T02:48:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.01715/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate optical coupling between a single tin-vacancy (SnV) center in diamond and a free-standing photonic crystal nanobeam cavity. The cavities are fabricated using quasi-isotropic etching and feature experimentally measured quality factors as high as ~11,000. We investigate the dependence of a single SnV center's emission by controlling the cavity wavelength using a laser-induced gas desorption technique. Under resonance conditions, we observe an intensity enhancement of the SnV emission by a factor of 12 and a 16-fold reduction of the SnV lifetime. Based on the large enhancement of t","authors_text":"Benjamin Pingault, Carsten Ronning, Cleaven Chia, Dylan Renaud, Kazuhiro Kuruma, Marko Lon\\v{c}ar, Patrick Hoffmann, Satoshi Iwamoto","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-05-04T19:08:35Z","title":"Coupling of a Single Tin-vacancy Center to a Photonic Crystal Cavity in Diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01715","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:e9be3733baa709150525247dfb0503b130442ccedbfbf9616f290e88c690eb0c","target":"record","created_at":"2026-07-05T02:48:23Z","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":"65e538d933c23d0397687807e75eae200279d2a4548be4a44029661e3dc2dd03","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-05-04T19:08:35Z","title_canon_sha256":"2518f1051b91009d828a00fcbb3cf37f8282ca7af80f23517125e7e12ac73484"},"schema_version":"1.0","source":{"id":"2105.01715","kind":"arxiv","version":2}},"canonical_sha256":"0c5e91df74d7023e5b8feeca6751b7d65e6944bd23316b45865f9269f1209049","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c5e91df74d7023e5b8feeca6751b7d65e6944bd23316b45865f9269f1209049","first_computed_at":"2026-07-05T02:48:23.160865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:48:23.160865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5cJHDazEt+sLeAR/7cBiolVEVR/Mgxw04ZM5UJlAM8ePu3nReS0Qm/iKLlN4T0Q8rp4+Go+vHZm1ZjXzRgW4CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:48:23.161328Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.01715","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9be3733baa709150525247dfb0503b130442ccedbfbf9616f290e88c690eb0c","sha256:539e0ec864e7faedc4622e18020a61efd613411e0a86f512df7828660854adf6"],"state_sha256":"bb2413d312a9fa8b75e99e1a2399ced2d98fc980ba5b3d89a871a1412c50dc32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bKpjFjil6fKUP1lHMFhIXLaQNL/w5J3MGdwPAoRXhUPgvcs1tvfuRaMQIT+r4ZxJ4YVcNQH5o0xcYG9Ygd4JAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:14:25.919166Z","bundle_sha256":"b97ba3b06cf2c40f625c2f714d42231557bdcd598697aae3ffe6d488ffd04efa"}}