{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2XSQ33CWQZVVRDG36VYKAARHW2","short_pith_number":"pith:2XSQ33CW","canonical_record":{"source":{"id":"1712.08615","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-22T18:56:15Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.atom-ph"],"title_canon_sha256":"01b76344696ee05df3d4889b29acb53fe15464597617f9a73cbf8689c04d29ad","abstract_canon_sha256":"895b2e84dab5402a48ee801195f35b83a1a183b81d4e405d1c9e6c3b33c69daf"},"schema_version":"1.0"},"canonical_sha256":"d5e50dec56866b588cdbf570a00227b687f1b9b062c4a88457da94752131945d","source":{"kind":"arxiv","id":"1712.08615","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.08615","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"1712.08615v2","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08615","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"2XSQ33CWQZVV","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2XSQ33CWQZVVRDG3","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2XSQ33CW","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2XSQ33CWQZVVRDG36VYKAARHW2","target":"record","payload":{"canonical_record":{"source":{"id":"1712.08615","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-22T18:56:15Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.atom-ph"],"title_canon_sha256":"01b76344696ee05df3d4889b29acb53fe15464597617f9a73cbf8689c04d29ad","abstract_canon_sha256":"895b2e84dab5402a48ee801195f35b83a1a183b81d4e405d1c9e6c3b33c69daf"},"schema_version":"1.0"},"canonical_sha256":"d5e50dec56866b588cdbf570a00227b687f1b9b062c4a88457da94752131945d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:41.853473Z","signature_b64":"zyJ6gYNkfv1+69eOQd7P76WyXqBMoIHoxUQ3RPwCAWHNt9EDVauNkqYNAnEfBqKURZzMfFOMm5RWkxToBqRCBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5e50dec56866b588cdbf570a00227b687f1b9b062c4a88457da94752131945d","last_reissued_at":"2026-05-18T00:09:41.852819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:41.852819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.08615","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":"2026-05-18T00:09:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EFts6J5iszBgsD6ykbgRM7WX4JOKGnRGXMIQOToyHQYBwwoHZ7X5WY1a3XLc4eyD5gXYWheMGYm07N/yst9zCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:22:35.013784Z"},"content_sha256":"3d853a47fce60969f8c4e7240041a5e8366a1b32d79dfb079c2ddb082c399748","schema_version":"1.0","event_id":"sha256:3d853a47fce60969f8c4e7240041a5e8366a1b32d79dfb079c2ddb082c399748"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2XSQ33CWQZVVRDG36VYKAARHW2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simultaneous coherence enhancement of optical and microwave transitions in solid-state electronic spins","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Alban Ferrier, Alexey Tiranov, Antonio Ortu, Florian Fr\\\"owis, Mikael Afzelius, Nicolas Gisin, Philippe Goldner, Sacha Welinski","submitted_at":"2017-12-22T18:56:15Z","abstract_excerpt":"Solid-state electronic spins are extensively studied in quantum information science, as their large magnetic moments offer fast operations for computing and communication, and high sensitivity for sensing. However, electronic spins are more sensitive to magnetic noise, but engineering of their spectroscopic properties, e.g. using clock transitions and isotopic engineering, can yield remarkable spin coherence times, as for electronic spins in GaAs, donors in silicon and vacancy centres in diamond. Here we demonstrate simultaneously induced clock transitions for both microwave and optical domain"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08615","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":"2026-05-18T00:09:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uMA+7XDF9GQ52/SbLQ/lr0gUBTzSD4NIwQioX7/b+3y030XWqmfDsVcyca83qd2AFFgwdnZ82vr02Wh2coRfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:22:35.014344Z"},"content_sha256":"4adc10feb467038f84f31963fd7fbb782fdcf97e79b648184e5e83ad8b54a9b2","schema_version":"1.0","event_id":"sha256:4adc10feb467038f84f31963fd7fbb782fdcf97e79b648184e5e83ad8b54a9b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2XSQ33CWQZVVRDG36VYKAARHW2/bundle.json","state_url":"https://pith.science/pith/2XSQ33CWQZVVRDG36VYKAARHW2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2XSQ33CWQZVVRDG36VYKAARHW2/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":"2026-06-02T00:22:35Z","links":{"resolver":"https://pith.science/pith/2XSQ33CWQZVVRDG36VYKAARHW2","bundle":"https://pith.science/pith/2XSQ33CWQZVVRDG36VYKAARHW2/bundle.json","state":"https://pith.science/pith/2XSQ33CWQZVVRDG36VYKAARHW2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2XSQ33CWQZVVRDG36VYKAARHW2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2XSQ33CWQZVVRDG36VYKAARHW2","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":"895b2e84dab5402a48ee801195f35b83a1a183b81d4e405d1c9e6c3b33c69daf","cross_cats_sorted":["cond-mat.mtrl-sci","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-22T18:56:15Z","title_canon_sha256":"01b76344696ee05df3d4889b29acb53fe15464597617f9a73cbf8689c04d29ad"},"schema_version":"1.0","source":{"id":"1712.08615","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.08615","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"1712.08615v2","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08615","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"2XSQ33CWQZVV","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2XSQ33CWQZVVRDG3","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2XSQ33CW","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:4adc10feb467038f84f31963fd7fbb782fdcf97e79b648184e5e83ad8b54a9b2","target":"graph","created_at":"2026-05-18T00:09:41Z","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":"Solid-state electronic spins are extensively studied in quantum information science, as their large magnetic moments offer fast operations for computing and communication, and high sensitivity for sensing. However, electronic spins are more sensitive to magnetic noise, but engineering of their spectroscopic properties, e.g. using clock transitions and isotopic engineering, can yield remarkable spin coherence times, as for electronic spins in GaAs, donors in silicon and vacancy centres in diamond. Here we demonstrate simultaneously induced clock transitions for both microwave and optical domain","authors_text":"Alban Ferrier, Alexey Tiranov, Antonio Ortu, Florian Fr\\\"owis, Mikael Afzelius, Nicolas Gisin, Philippe Goldner, Sacha Welinski","cross_cats":["cond-mat.mtrl-sci","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-22T18:56:15Z","title":"Simultaneous coherence enhancement of optical and microwave transitions in solid-state electronic spins"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08615","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":"sha256:3d853a47fce60969f8c4e7240041a5e8366a1b32d79dfb079c2ddb082c399748","target":"record","created_at":"2026-05-18T00:09:41Z","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":"895b2e84dab5402a48ee801195f35b83a1a183b81d4e405d1c9e6c3b33c69daf","cross_cats_sorted":["cond-mat.mtrl-sci","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-22T18:56:15Z","title_canon_sha256":"01b76344696ee05df3d4889b29acb53fe15464597617f9a73cbf8689c04d29ad"},"schema_version":"1.0","source":{"id":"1712.08615","kind":"arxiv","version":2}},"canonical_sha256":"d5e50dec56866b588cdbf570a00227b687f1b9b062c4a88457da94752131945d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5e50dec56866b588cdbf570a00227b687f1b9b062c4a88457da94752131945d","first_computed_at":"2026-05-18T00:09:41.852819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:41.852819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zyJ6gYNkfv1+69eOQd7P76WyXqBMoIHoxUQ3RPwCAWHNt9EDVauNkqYNAnEfBqKURZzMfFOMm5RWkxToBqRCBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:41.853473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.08615","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d853a47fce60969f8c4e7240041a5e8366a1b32d79dfb079c2ddb082c399748","sha256:4adc10feb467038f84f31963fd7fbb782fdcf97e79b648184e5e83ad8b54a9b2"],"state_sha256":"27e44c31434884da985839b81ee5a934f6b6d404b506c1e647b8b36af25cd75f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xd3/nqOPCqfR78gb7eOLTNBGhcEAMsPgM6EoHGAMLqueichLj6sm9Gqt3OJEoCoLAYiyQkBEQDjO3LTix8DBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:22:35.016950Z","bundle_sha256":"56200da563719a0bf2281e1ae5fe907e454580eb129fa09da66fa2f5967cde21"}}