{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:M3GHWEATURHLOE7LAM4SAWV7NL","short_pith_number":"pith:M3GHWEAT","canonical_record":{"source":{"id":"1411.1366","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-11-05T19:21:03Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"9bf2bb07faaf68cf392386e6c8fb6b4fa07e2d13d26387cc3bed49238fe9bd72","abstract_canon_sha256":"e5b4ee36b2bbbd5ed3da9e4000d304b27e3292f8e5ec3c3080b74b5349693dfa"},"schema_version":"1.0"},"canonical_sha256":"66cc7b1013a44eb713eb0339205abf6ad532dadbbee24dce0afbd93014b850b3","source":{"kind":"arxiv","id":"1411.1366","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1366","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1366v2","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1366","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"pith_short_12","alias_value":"M3GHWEATURHL","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"M3GHWEATURHLOE7L","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"M3GHWEAT","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:M3GHWEATURHLOE7LAM4SAWV7NL","target":"record","payload":{"canonical_record":{"source":{"id":"1411.1366","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-11-05T19:21:03Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"9bf2bb07faaf68cf392386e6c8fb6b4fa07e2d13d26387cc3bed49238fe9bd72","abstract_canon_sha256":"e5b4ee36b2bbbd5ed3da9e4000d304b27e3292f8e5ec3c3080b74b5349693dfa"},"schema_version":"1.0"},"canonical_sha256":"66cc7b1013a44eb713eb0339205abf6ad532dadbbee24dce0afbd93014b850b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:55.112139Z","signature_b64":"JyPWDGzzATro2Zh6l8Ju8e9sj7N3fRTb51CvwT3MAXOkSi/CcL9g3p/+KpGXB+PTqCRQiBC/SDViR5cpyqjbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66cc7b1013a44eb713eb0339205abf6ad532dadbbee24dce0afbd93014b850b3","last_reissued_at":"2026-05-18T01:39:55.110371Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:55.110371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.1366","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":"2026-05-18T01:39:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IAROXr1Gb6ixye14T1XKSY3Tz2ijRvOXKbCbruYO9iFoLjgCDMVBLqBugzFcKMnl/71iFh7MB+zsFqtEjV/HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:08:09.315640Z"},"content_sha256":"e1e02eedb6f529f9499d1d71794dcbc64ebe0c74fdaa624b8c3129a88eed66dd","schema_version":"1.0","event_id":"sha256:e1e02eedb6f529f9499d1d71794dcbc64ebe0c74fdaa624b8c3129a88eed66dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:M3GHWEATURHLOE7LAM4SAWV7NL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All-optical coherent population trapping with defect spin ensembles in silicon carbide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander R. Onur, Caspar H. van der Wal, Danny O'Shea, Olger V. Zwier","submitted_at":"2014-11-05T19:21:03Z","abstract_excerpt":"Divacancy defects in silicon carbide have long-lived electronic spin states and sharp optical transitions, with properties that are similar to the nitrogen-vacancy defect in diamond. We report experiments on 4H-SiC that investigate all-optical addressing of spin states with the zero-phonon-line transitions. Our magneto-spectroscopy results identify the spin $S=1$ structure of the ground and excited state, and a role for decay via intersystem crossing. We use these results for demonstrating coherent population trapping of spin states with divacancy ensembles that have particular orientations in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1366","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":"2026-05-18T01:39:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mXCV7vvGrRAO1w24BKtul2tVtPXo0mxlR1PnYnYNrsD2f9LqzS7wFFan/vwQ1cGyqrh4c3RWpduwPMLg+SsBAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:08:09.315996Z"},"content_sha256":"a82e6ec58312b772e8c7bda040bcebee442fafa5cfade5e5bcdf5fc0a8d04b37","schema_version":"1.0","event_id":"sha256:a82e6ec58312b772e8c7bda040bcebee442fafa5cfade5e5bcdf5fc0a8d04b37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M3GHWEATURHLOE7LAM4SAWV7NL/bundle.json","state_url":"https://pith.science/pith/M3GHWEATURHLOE7LAM4SAWV7NL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M3GHWEATURHLOE7LAM4SAWV7NL/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":"2026-06-05T14:08:09Z","links":{"resolver":"https://pith.science/pith/M3GHWEATURHLOE7LAM4SAWV7NL","bundle":"https://pith.science/pith/M3GHWEATURHLOE7LAM4SAWV7NL/bundle.json","state":"https://pith.science/pith/M3GHWEATURHLOE7LAM4SAWV7NL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M3GHWEATURHLOE7LAM4SAWV7NL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:M3GHWEATURHLOE7LAM4SAWV7NL","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":"e5b4ee36b2bbbd5ed3da9e4000d304b27e3292f8e5ec3c3080b74b5349693dfa","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-11-05T19:21:03Z","title_canon_sha256":"9bf2bb07faaf68cf392386e6c8fb6b4fa07e2d13d26387cc3bed49238fe9bd72"},"schema_version":"1.0","source":{"id":"1411.1366","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1366","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1366v2","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1366","created_at":"2026-05-18T01:39:55Z"},{"alias_kind":"pith_short_12","alias_value":"M3GHWEATURHL","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"M3GHWEATURHLOE7L","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"M3GHWEAT","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:a82e6ec58312b772e8c7bda040bcebee442fafa5cfade5e5bcdf5fc0a8d04b37","target":"graph","created_at":"2026-05-18T01:39:55Z","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":"Divacancy defects in silicon carbide have long-lived electronic spin states and sharp optical transitions, with properties that are similar to the nitrogen-vacancy defect in diamond. We report experiments on 4H-SiC that investigate all-optical addressing of spin states with the zero-phonon-line transitions. Our magneto-spectroscopy results identify the spin $S=1$ structure of the ground and excited state, and a role for decay via intersystem crossing. We use these results for demonstrating coherent population trapping of spin states with divacancy ensembles that have particular orientations in","authors_text":"Alexander R. Onur, Caspar H. van der Wal, Danny O'Shea, Olger V. Zwier","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-11-05T19:21:03Z","title":"All-optical coherent population trapping with defect spin ensembles in silicon carbide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1366","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:e1e02eedb6f529f9499d1d71794dcbc64ebe0c74fdaa624b8c3129a88eed66dd","target":"record","created_at":"2026-05-18T01:39:55Z","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":"e5b4ee36b2bbbd5ed3da9e4000d304b27e3292f8e5ec3c3080b74b5349693dfa","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-11-05T19:21:03Z","title_canon_sha256":"9bf2bb07faaf68cf392386e6c8fb6b4fa07e2d13d26387cc3bed49238fe9bd72"},"schema_version":"1.0","source":{"id":"1411.1366","kind":"arxiv","version":2}},"canonical_sha256":"66cc7b1013a44eb713eb0339205abf6ad532dadbbee24dce0afbd93014b850b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66cc7b1013a44eb713eb0339205abf6ad532dadbbee24dce0afbd93014b850b3","first_computed_at":"2026-05-18T01:39:55.110371Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:55.110371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JyPWDGzzATro2Zh6l8Ju8e9sj7N3fRTb51CvwT3MAXOkSi/CcL9g3p/+KpGXB+PTqCRQiBC/SDViR5cpyqjbCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:55.112139Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.1366","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1e02eedb6f529f9499d1d71794dcbc64ebe0c74fdaa624b8c3129a88eed66dd","sha256:a82e6ec58312b772e8c7bda040bcebee442fafa5cfade5e5bcdf5fc0a8d04b37"],"state_sha256":"78ee6b147f7c4c9b42b55b33d989e0b17ac349f59afe1b23e282d3f02da6f38b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rBgZICwS+3tdCSOh5sfx/tweubOtZN2tmTgX59uub6sz0/IirCP4wWv4tGz3/5Na7PO4XQL8i0Yl/1moHY5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T14:08:09.318295Z","bundle_sha256":"dbedb7992a25f2d87ac2a234b7b321c33bf05a2440cfef7c5a2de2e64792c04a"}}