{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HAV4PRJOCPRFSWBRRZ2R7XUOQZ","short_pith_number":"pith:HAV4PRJO","canonical_record":{"source":{"id":"1801.03277","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-10T09:22:56Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"f76bd1011ec23e7f6a27b6a8dced95b3e7b9806a54f9f16c3f787919b6da2434","abstract_canon_sha256":"b6a8c4e7a5e01740e5805f8c2868d95e2d35d6c6b52f9b453af79e274fda9efe"},"schema_version":"1.0"},"canonical_sha256":"382bc7c52e13e25958318e751fde8e866c0d5bf1eafff8cebc7deefac0d2855d","source":{"kind":"arxiv","id":"1801.03277","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03277","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03277v3","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03277","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"HAV4PRJOCPRF","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HAV4PRJOCPRFSWBR","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HAV4PRJO","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HAV4PRJOCPRFSWBRRZ2R7XUOQZ","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03277","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-10T09:22:56Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"f76bd1011ec23e7f6a27b6a8dced95b3e7b9806a54f9f16c3f787919b6da2434","abstract_canon_sha256":"b6a8c4e7a5e01740e5805f8c2868d95e2d35d6c6b52f9b453af79e274fda9efe"},"schema_version":"1.0"},"canonical_sha256":"382bc7c52e13e25958318e751fde8e866c0d5bf1eafff8cebc7deefac0d2855d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:11.012372Z","signature_b64":"Z5AQVTsghSVFtsQqwDw0y3doFRDr+CzY7MHdSeLzceK6VerQohK9h6G04fYcybGAQwa8Jdo7aq1yiqzSJlIwBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"382bc7c52e13e25958318e751fde8e866c0d5bf1eafff8cebc7deefac0d2855d","last_reissued_at":"2026-05-18T00:07:11.011861Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:11.011861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03277","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Zundmg6Hcg+FIjJw/h4Ls3/VytQScW/x0Uu6oynOavJsqyWeIqakuBKnbsmthszE05wSBL3phYLBljoLknwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:20.822544Z"},"content_sha256":"7e1fe28cdfcd47b125e1c32c6bddf3d445917aa30912155dbefa69456ecda244","schema_version":"1.0","event_id":"sha256:7e1fe28cdfcd47b125e1c32c6bddf3d445917aa30912155dbefa69456ecda244"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HAV4PRJOCPRFSWBRRZ2R7XUOQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hyperbolic Metamaterial Resonator-Antenna Scheme for Large, Broadband Emission Enhancement and Single Photon Collection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"F. A. Inam, M. J. Steel, N. Ahmed, S. Castelletto","submitted_at":"2018-01-10T09:22:56Z","abstract_excerpt":"We model the broadband enhancement of single-photon emission from color centres in silicon carbide nanocrystals coupled to a planar hyperbolic metamaterial, HMM resonator. The design is based on positioning the single photon emitters within the HMM resonator, made of a dielectric index-matched with silicon-carbide material. The broadband response results from the successive resonance peaks of the lossy Fabry Perot structure modes arising within the high-index HMM cavity. To capture this broadband enhancement in the single photon emitters spontaneous emission, we placed a simple gold based cyli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03277","kind":"arxiv","version":3},"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":"2026-05-18T00:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KsEqhq5zPSNjqH1vd88GnImyOY9mlGdlI3+rCMlLMhpo6JeE/LEpkznX+n29OpKWr49p6e7C7Al77Z8MV5/gBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:20.823455Z"},"content_sha256":"eb8e9ff51f6cc06a25136cecdc196434bc3297705ee89afea86e8a1bf8bd56cd","schema_version":"1.0","event_id":"sha256:eb8e9ff51f6cc06a25136cecdc196434bc3297705ee89afea86e8a1bf8bd56cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/bundle.json","state_url":"https://pith.science/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/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":"2026-05-30T16:30:20Z","links":{"resolver":"https://pith.science/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ","bundle":"https://pith.science/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/bundle.json","state":"https://pith.science/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HAV4PRJOCPRFSWBRRZ2R7XUOQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HAV4PRJOCPRFSWBRRZ2R7XUOQZ","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":"b6a8c4e7a5e01740e5805f8c2868d95e2d35d6c6b52f9b453af79e274fda9efe","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-10T09:22:56Z","title_canon_sha256":"f76bd1011ec23e7f6a27b6a8dced95b3e7b9806a54f9f16c3f787919b6da2434"},"schema_version":"1.0","source":{"id":"1801.03277","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03277","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03277v3","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03277","created_at":"2026-05-18T00:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"HAV4PRJOCPRF","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HAV4PRJOCPRFSWBR","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HAV4PRJO","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:eb8e9ff51f6cc06a25136cecdc196434bc3297705ee89afea86e8a1bf8bd56cd","target":"graph","created_at":"2026-05-18T00:07:11Z","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":"We model the broadband enhancement of single-photon emission from color centres in silicon carbide nanocrystals coupled to a planar hyperbolic metamaterial, HMM resonator. The design is based on positioning the single photon emitters within the HMM resonator, made of a dielectric index-matched with silicon-carbide material. The broadband response results from the successive resonance peaks of the lossy Fabry Perot structure modes arising within the high-index HMM cavity. To capture this broadband enhancement in the single photon emitters spontaneous emission, we placed a simple gold based cyli","authors_text":"F. A. Inam, M. J. Steel, N. Ahmed, S. Castelletto","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-10T09:22:56Z","title":"Hyperbolic Metamaterial Resonator-Antenna Scheme for Large, Broadband Emission Enhancement and Single Photon Collection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03277","kind":"arxiv","version":3},"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":"sha256:7e1fe28cdfcd47b125e1c32c6bddf3d445917aa30912155dbefa69456ecda244","target":"record","created_at":"2026-05-18T00:07:11Z","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":"b6a8c4e7a5e01740e5805f8c2868d95e2d35d6c6b52f9b453af79e274fda9efe","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-10T09:22:56Z","title_canon_sha256":"f76bd1011ec23e7f6a27b6a8dced95b3e7b9806a54f9f16c3f787919b6da2434"},"schema_version":"1.0","source":{"id":"1801.03277","kind":"arxiv","version":3}},"canonical_sha256":"382bc7c52e13e25958318e751fde8e866c0d5bf1eafff8cebc7deefac0d2855d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"382bc7c52e13e25958318e751fde8e866c0d5bf1eafff8cebc7deefac0d2855d","first_computed_at":"2026-05-18T00:07:11.011861Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:11.011861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z5AQVTsghSVFtsQqwDw0y3doFRDr+CzY7MHdSeLzceK6VerQohK9h6G04fYcybGAQwa8Jdo7aq1yiqzSJlIwBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:11.012372Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03277","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e1fe28cdfcd47b125e1c32c6bddf3d445917aa30912155dbefa69456ecda244","sha256:eb8e9ff51f6cc06a25136cecdc196434bc3297705ee89afea86e8a1bf8bd56cd"],"state_sha256":"c557581e06306eef2ec15a941347d56d65d50a204209a9edcb6f21faff9eb062"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nrfmQzVkxJGG8UheuQMwTbUk2EJa47JFcTSJWvB2Hn+QmSaVcFzdc9OT1IxS4nB4GVzl1d6h0uOho1BxVmB5Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:30:20.828665Z","bundle_sha256":"82b7083dfb41dbb6949d3dee9b0317a73f4746156ee5ce6da19d40a9a5737ebc"}}