{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4WHFHL6XYJR7AUV46AKAYGMVHC","short_pith_number":"pith:4WHFHL6X","canonical_record":{"source":{"id":"1407.7137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-26T14:57:20Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"c0c9f10d30d1fff018590ce47760c023b1e97d93f1f7a20640e982e9e040d05a","abstract_canon_sha256":"2500fdc793d615d31027b404a1b907f9bed06bf1837f6af0ad834ad2ac3f7df2"},"schema_version":"1.0"},"canonical_sha256":"e58e53afd7c263f052bcf0140c1995388ec003a710227da3e6ae1d5d2d08e3fb","source":{"kind":"arxiv","id":"1407.7137","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7137","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7137v1","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7137","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"pith_short_12","alias_value":"4WHFHL6XYJR7","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4WHFHL6XYJR7AUV4","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4WHFHL6X","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4WHFHL6XYJR7AUV46AKAYGMVHC","target":"record","payload":{"canonical_record":{"source":{"id":"1407.7137","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-26T14:57:20Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"c0c9f10d30d1fff018590ce47760c023b1e97d93f1f7a20640e982e9e040d05a","abstract_canon_sha256":"2500fdc793d615d31027b404a1b907f9bed06bf1837f6af0ad834ad2ac3f7df2"},"schema_version":"1.0"},"canonical_sha256":"e58e53afd7c263f052bcf0140c1995388ec003a710227da3e6ae1d5d2d08e3fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:23.812645Z","signature_b64":"FnIsdZaXRsKLsxZ/PD1LuopYzh6+TcSc2WRBB88lctAdiE5eaRhqm3nbcyBzk5INdByINXO+iw/DROn3N0JoCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e58e53afd7c263f052bcf0140c1995388ec003a710227da3e6ae1d5d2d08e3fb","last_reissued_at":"2026-05-18T02:46:23.812155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:23.812155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.7137","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":"2026-05-18T02:46:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6haXnWgI+EVnq3AUuFDIDD4gLLJNwU6I/t3/FeZYZgmehsgXeuuVS8xjFB3DFUdai1ZaO+3kKbO0bPfBmiwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:46:04.452151Z"},"content_sha256":"05eaa01c3564c768b273b2de9bfda393d6cd7508059aa8118d053dac9dd4e145","schema_version":"1.0","event_id":"sha256:05eaa01c3564c768b273b2de9bfda393d6cd7508059aa8118d053dac9dd4e145"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4WHFHL6XYJR7AUV46AKAYGMVHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isotopically varying spectral features of silicon vacancy in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas Dietrich, Fedor Jelezko, Jan M. Binder, Junichi Isoya, Kay D. Jahnke, Lachlan J. Rogers, Tokuyuki Teraji","submitted_at":"2014-07-26T14:57:20Z","abstract_excerpt":"The silicon-vacancy centre (SiV) in diamond has interesting vibronic features. We demonstrate that the zero phonon line position can be used to reliably identify the silicon isotope present in a single centre. This is of interest for quantum information applications since only the silicon 29 isotope has nuclear spin. In addition, we demonstrate that the 64 meV line is due to a local vibrational mode of the silicon atom. The presence of a local mode suggests a plausible origin of the isotopic shift of the zero phonon line."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7137","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":"2026-05-18T02:46:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9fNWnW/73ybCDV8NwUYj9P8jVeragm50ouuDNYeYkAWYOU4l6VmEXVDBH2VS8v5kuTWpT4knVkmPP3CqvFaKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:46:04.452711Z"},"content_sha256":"8690e6dcdb878c7cac0a2526770a5f4716292b39d38efa252d4139d248456602","schema_version":"1.0","event_id":"sha256:8690e6dcdb878c7cac0a2526770a5f4716292b39d38efa252d4139d248456602"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/bundle.json","state_url":"https://pith.science/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/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":"2026-06-04T22:46:04Z","links":{"resolver":"https://pith.science/pith/4WHFHL6XYJR7AUV46AKAYGMVHC","bundle":"https://pith.science/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/bundle.json","state":"https://pith.science/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4WHFHL6XYJR7AUV46AKAYGMVHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4WHFHL6XYJR7AUV46AKAYGMVHC","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":"2500fdc793d615d31027b404a1b907f9bed06bf1837f6af0ad834ad2ac3f7df2","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-26T14:57:20Z","title_canon_sha256":"c0c9f10d30d1fff018590ce47760c023b1e97d93f1f7a20640e982e9e040d05a"},"schema_version":"1.0","source":{"id":"1407.7137","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.7137","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"arxiv_version","alias_value":"1407.7137v1","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.7137","created_at":"2026-05-18T02:46:23Z"},{"alias_kind":"pith_short_12","alias_value":"4WHFHL6XYJR7","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4WHFHL6XYJR7AUV4","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4WHFHL6X","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:8690e6dcdb878c7cac0a2526770a5f4716292b39d38efa252d4139d248456602","target":"graph","created_at":"2026-05-18T02:46:23Z","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"},"paper":{"abstract_excerpt":"The silicon-vacancy centre (SiV) in diamond has interesting vibronic features. We demonstrate that the zero phonon line position can be used to reliably identify the silicon isotope present in a single centre. This is of interest for quantum information applications since only the silicon 29 isotope has nuclear spin. In addition, we demonstrate that the 64 meV line is due to a local vibrational mode of the silicon atom. The presence of a local mode suggests a plausible origin of the isotopic shift of the zero phonon line.","authors_text":"Andreas Dietrich, Fedor Jelezko, Jan M. Binder, Junichi Isoya, Kay D. Jahnke, Lachlan J. Rogers, Tokuyuki Teraji","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-26T14:57:20Z","title":"Isotopically varying spectral features of silicon vacancy in diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.7137","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":"sha256:05eaa01c3564c768b273b2de9bfda393d6cd7508059aa8118d053dac9dd4e145","target":"record","created_at":"2026-05-18T02:46:23Z","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":"2500fdc793d615d31027b404a1b907f9bed06bf1837f6af0ad834ad2ac3f7df2","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-07-26T14:57:20Z","title_canon_sha256":"c0c9f10d30d1fff018590ce47760c023b1e97d93f1f7a20640e982e9e040d05a"},"schema_version":"1.0","source":{"id":"1407.7137","kind":"arxiv","version":1}},"canonical_sha256":"e58e53afd7c263f052bcf0140c1995388ec003a710227da3e6ae1d5d2d08e3fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e58e53afd7c263f052bcf0140c1995388ec003a710227da3e6ae1d5d2d08e3fb","first_computed_at":"2026-05-18T02:46:23.812155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:46:23.812155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FnIsdZaXRsKLsxZ/PD1LuopYzh6+TcSc2WRBB88lctAdiE5eaRhqm3nbcyBzk5INdByINXO+iw/DROn3N0JoCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:46:23.812645Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.7137","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05eaa01c3564c768b273b2de9bfda393d6cd7508059aa8118d053dac9dd4e145","sha256:8690e6dcdb878c7cac0a2526770a5f4716292b39d38efa252d4139d248456602"],"state_sha256":"b5391109bf5e6413d578b6d29cdc02946e84a79de4d7da5f914df732d9d86fca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jkP95DsPyAPz/uG/X1CEWuC9NNtUJPDcBwQ4mvpK3IHKfF1IhPl0hwmSRDCt996jCWQ6W8NbqBftlVV2lXgoDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T22:46:04.455365Z","bundle_sha256":"d006a2b82e2a9507a817b7c6ee0a36a3313b0c7b68e7396c3ae8fe727e3f7e10"}}