{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:FYYKKVQJOTT3YGTVCZHSH6BDE6","short_pith_number":"pith:FYYKKVQJ","canonical_record":{"source":{"id":"2004.03633","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-07T18:15:45Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"4119d0528ae4277a1996ed083abe44c9babc52fa96186b71f7c3d32d1bea364b","abstract_canon_sha256":"fd5bebc3606c28922051407552b6c87b044e5adceedcd5a221a0dec84879b8db"},"schema_version":"1.0"},"canonical_sha256":"2e30a5560974e7bc1a75164f23f823279de48e6efc22a90116bb9d6b7a516797","source":{"kind":"arxiv","id":"2004.03633","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.03633","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"2004.03633v2","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.03633","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"FYYKKVQJOTT3","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_16","alias_value":"FYYKKVQJOTT3YGTV","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_8","alias_value":"FYYKKVQJ","created_at":"2026-07-05T00:54:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:FYYKKVQJOTT3YGTVCZHSH6BDE6","target":"record","payload":{"canonical_record":{"source":{"id":"2004.03633","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-07T18:15:45Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"4119d0528ae4277a1996ed083abe44c9babc52fa96186b71f7c3d32d1bea364b","abstract_canon_sha256":"fd5bebc3606c28922051407552b6c87b044e5adceedcd5a221a0dec84879b8db"},"schema_version":"1.0"},"canonical_sha256":"2e30a5560974e7bc1a75164f23f823279de48e6efc22a90116bb9d6b7a516797","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:54:05.387209Z","signature_b64":"xPKmMD8R/9y0zSzvPlxpH4i0dPJnoDBZ0QGXl3EIrx300NbfXlBycEh9Xw0mPZoH1a9jvDacMLPj5XRDjNVZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e30a5560974e7bc1a75164f23f823279de48e6efc22a90116bb9d6b7a516797","last_reissued_at":"2026-07-05T00:54:05.386811Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:54:05.386811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.03633","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":"2026-07-05T00:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JNZqapJ7bAKw4IvOyJyIV5HTKje9tYJPFcDwhfmQm30xY7A8JqOMuKogXiG1c0byzDtupxM6TvgfWsbA9FtrDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:53:41.180167Z"},"content_sha256":"053d2f6bfde8265a7f039dcf4554ae4e63d60ef7955b3b1854da87a8cf619598","schema_version":"1.0","event_id":"sha256:053d2f6bfde8265a7f039dcf4554ae4e63d60ef7955b3b1854da87a8cf619598"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:FYYKKVQJOTT3YGTVCZHSH6BDE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscale crystalline rare-earth doped resonators for strain-coupled optomechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"A. Ferrier, B. Fang, J. Debray, J.F. Motte, N. Galland, N. Lu\\v{c}i\\'c, P. Goldner, S. Seidelin, S. Zhang, Y. Le Coq","submitted_at":"2020-04-07T18:15:45Z","abstract_excerpt":"Rare-earth ion doped crystals for hybrid quantum technologies is an area of growing interest in the solid-state physics community. We have earlier theoretically proposed a hybrid scheme of a mechanical resonator which is fabricated out of a rare-earth doped mono-crystalline structure. The rare-earth ion dopants have absorption energies which are sensitive to crystal strain, and it is thus possible to couple the ions to the bending motion of the crystal cantilever. Here, we present the design and fabrication method based on focused-ion-beam etching techniques which we have successfully employed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.03633","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/2004.03633/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":"2026-07-05T00:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4YD+3TCl29ouoLg+0msSuIgPqFp81gHc4rswBiZbif7iGoRlWO+cnMNNa6h03v3NVVJGfYJRSjLTFkVRAVQmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:53:41.180551Z"},"content_sha256":"6492b5bad87096a2c20e24b4ca4a066415fb56a3490a95afccbeaba378023347","schema_version":"1.0","event_id":"sha256:6492b5bad87096a2c20e24b4ca4a066415fb56a3490a95afccbeaba378023347"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/bundle.json","state_url":"https://pith.science/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/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":"2026-07-07T14:53:41Z","links":{"resolver":"https://pith.science/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6","bundle":"https://pith.science/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/bundle.json","state":"https://pith.science/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYYKKVQJOTT3YGTVCZHSH6BDE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FYYKKVQJOTT3YGTVCZHSH6BDE6","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":"fd5bebc3606c28922051407552b6c87b044e5adceedcd5a221a0dec84879b8db","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-07T18:15:45Z","title_canon_sha256":"4119d0528ae4277a1996ed083abe44c9babc52fa96186b71f7c3d32d1bea364b"},"schema_version":"1.0","source":{"id":"2004.03633","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.03633","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"2004.03633v2","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.03633","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"FYYKKVQJOTT3","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_16","alias_value":"FYYKKVQJOTT3YGTV","created_at":"2026-07-05T00:54:05Z"},{"alias_kind":"pith_short_8","alias_value":"FYYKKVQJ","created_at":"2026-07-05T00:54:05Z"}],"graph_snapshots":[{"event_id":"sha256:6492b5bad87096a2c20e24b4ca4a066415fb56a3490a95afccbeaba378023347","target":"graph","created_at":"2026-07-05T00:54:05Z","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/2004.03633/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rare-earth ion doped crystals for hybrid quantum technologies is an area of growing interest in the solid-state physics community. We have earlier theoretically proposed a hybrid scheme of a mechanical resonator which is fabricated out of a rare-earth doped mono-crystalline structure. The rare-earth ion dopants have absorption energies which are sensitive to crystal strain, and it is thus possible to couple the ions to the bending motion of the crystal cantilever. Here, we present the design and fabrication method based on focused-ion-beam etching techniques which we have successfully employed","authors_text":"A. Ferrier, B. Fang, J. Debray, J.F. Motte, N. Galland, N. Lu\\v{c}i\\'c, P. Goldner, S. Seidelin, S. Zhang, Y. Le Coq","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-07T18:15:45Z","title":"Microscale crystalline rare-earth doped resonators for strain-coupled optomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.03633","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":"sha256:053d2f6bfde8265a7f039dcf4554ae4e63d60ef7955b3b1854da87a8cf619598","target":"record","created_at":"2026-07-05T00:54:05Z","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":"fd5bebc3606c28922051407552b6c87b044e5adceedcd5a221a0dec84879b8db","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-07T18:15:45Z","title_canon_sha256":"4119d0528ae4277a1996ed083abe44c9babc52fa96186b71f7c3d32d1bea364b"},"schema_version":"1.0","source":{"id":"2004.03633","kind":"arxiv","version":2}},"canonical_sha256":"2e30a5560974e7bc1a75164f23f823279de48e6efc22a90116bb9d6b7a516797","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e30a5560974e7bc1a75164f23f823279de48e6efc22a90116bb9d6b7a516797","first_computed_at":"2026-07-05T00:54:05.386811Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:54:05.386811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xPKmMD8R/9y0zSzvPlxpH4i0dPJnoDBZ0QGXl3EIrx300NbfXlBycEh9Xw0mPZoH1a9jvDacMLPj5XRDjNVZBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:54:05.387209Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.03633","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:053d2f6bfde8265a7f039dcf4554ae4e63d60ef7955b3b1854da87a8cf619598","sha256:6492b5bad87096a2c20e24b4ca4a066415fb56a3490a95afccbeaba378023347"],"state_sha256":"72754f64d76a2ad22e4e7a04978b60c1dc30f039745b02e78e4e41aada913b06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mWtURt91kSG1QINeUJpljD7sA4n7hE/RgOK/JGPar4Wcf9SWlTN1r8q5JQ377dkCYYI0aOuHuXYb51E7f3kuBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:53:41.182721Z","bundle_sha256":"0133c3b2c8c622fd6a44d0e9b6082a14ac99cb612c236ad47a3278ca0cda3c0d"}}