{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HNQUHEVZ2HEMSNZOWECKJ4REVW","short_pith_number":"pith:HNQUHEVZ","canonical_record":{"source":{"id":"1310.4370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-16T13:33:43Z","cross_cats_sorted":[],"title_canon_sha256":"6f2902fe0d7f8f45cf294a3a5343e02f7bcfad62eb07b3c386e6892747a31fb6","abstract_canon_sha256":"7bbd78e7966a5c8cfba3704c7118f67de6985d8f36faab59a7b65ed66e14d8c0"},"schema_version":"1.0"},"canonical_sha256":"3b614392b9d1c8c9372eb104a4f224adaf2cd117552644fab2372cba63b1515e","source":{"kind":"arxiv","id":"1310.4370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4370","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4370v1","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4370","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"HNQUHEVZ2HEM","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HNQUHEVZ2HEMSNZO","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HNQUHEVZ","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HNQUHEVZ2HEMSNZOWECKJ4REVW","target":"record","payload":{"canonical_record":{"source":{"id":"1310.4370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-16T13:33:43Z","cross_cats_sorted":[],"title_canon_sha256":"6f2902fe0d7f8f45cf294a3a5343e02f7bcfad62eb07b3c386e6892747a31fb6","abstract_canon_sha256":"7bbd78e7966a5c8cfba3704c7118f67de6985d8f36faab59a7b65ed66e14d8c0"},"schema_version":"1.0"},"canonical_sha256":"3b614392b9d1c8c9372eb104a4f224adaf2cd117552644fab2372cba63b1515e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:23.034127Z","signature_b64":"6RZP3pTuZ5aVIpy/ES8sstAoGnOFUIdWcC4GGEODOrPDlV8NErklFUflo6y8MGBKTQduO3WqbYIgVCEb/7SNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b614392b9d1c8c9372eb104a4f224adaf2cd117552644fab2372cba63b1515e","last_reissued_at":"2026-05-18T03:10:23.033576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:23.033576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.4370","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":"2026-05-18T03:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OWLVbDuc46ucWQINE0VNNfxRQWfV/wehKQJgzCRixcgIxX3vv9Hqw1QqJV5Uzxm0WXkxUmFNa2wT2vNSFdXgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:04:52.457261Z"},"content_sha256":"084ae0257f4fabbb57f51a981c30f6b2a564b5cb39341f8fea2eb5e0ad4e0a0b","schema_version":"1.0","event_id":"sha256:084ae0257f4fabbb57f51a981c30f6b2a564b5cb39341f8fea2eb5e0ad4e0a0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HNQUHEVZ2HEMSNZOWECKJ4REVW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral_Engineering_with_CMOS_compatible_SOI_Photonic_Molecules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Felipe Valini, Guilherme F. M. de Rezende, Luis A. M. Barea, Newton C. Frateschi","submitted_at":"2013-10-16T13:33:43Z","abstract_excerpt":"Photonic systems based on microring resonators have a fundamental constrain given by the strict relationship among free spectral range (FSR), total quality factor (QT) and resonator size, intrinsically making filter spacing, photonic lifetime and footprint interdependent. Here we break this paradigm employing CMOS compatible Silicon-on-Insulator (SOI) photonic molecules based on coupled multiple ring resonators. The resonance wavelengths and their respective linewidths are controlled by the hybridization of the quasi-orthogonal photonic states. We demonstrate photonic molecules with doublet an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4370","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":"2026-05-18T03:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31u4nP4VBw83dO9G8nm7TeJZJZmUP7i/imFM5EiB3uEc0eVceGpFdnfHksJhlGmbXBzIDkbMGsblouefTtKOAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T23:04:52.457926Z"},"content_sha256":"312f29e1ff82e19ec881b886e615f71309b7aa80ef11b92ebb39829e088fedfb","schema_version":"1.0","event_id":"sha256:312f29e1ff82e19ec881b886e615f71309b7aa80ef11b92ebb39829e088fedfb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/bundle.json","state_url":"https://pith.science/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/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":"2026-06-04T23:04:52Z","links":{"resolver":"https://pith.science/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW","bundle":"https://pith.science/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/bundle.json","state":"https://pith.science/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HNQUHEVZ2HEMSNZOWECKJ4REVW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HNQUHEVZ2HEMSNZOWECKJ4REVW","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":"7bbd78e7966a5c8cfba3704c7118f67de6985d8f36faab59a7b65ed66e14d8c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-16T13:33:43Z","title_canon_sha256":"6f2902fe0d7f8f45cf294a3a5343e02f7bcfad62eb07b3c386e6892747a31fb6"},"schema_version":"1.0","source":{"id":"1310.4370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4370","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4370v1","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4370","created_at":"2026-05-18T03:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"HNQUHEVZ2HEM","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HNQUHEVZ2HEMSNZO","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HNQUHEVZ","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:312f29e1ff82e19ec881b886e615f71309b7aa80ef11b92ebb39829e088fedfb","target":"graph","created_at":"2026-05-18T03:10:23Z","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":"Photonic systems based on microring resonators have a fundamental constrain given by the strict relationship among free spectral range (FSR), total quality factor (QT) and resonator size, intrinsically making filter spacing, photonic lifetime and footprint interdependent. Here we break this paradigm employing CMOS compatible Silicon-on-Insulator (SOI) photonic molecules based on coupled multiple ring resonators. The resonance wavelengths and their respective linewidths are controlled by the hybridization of the quasi-orthogonal photonic states. We demonstrate photonic molecules with doublet an","authors_text":"Felipe Valini, Guilherme F. M. de Rezende, Luis A. M. Barea, Newton C. Frateschi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-16T13:33:43Z","title":"Spectral_Engineering_with_CMOS_compatible_SOI_Photonic_Molecules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4370","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":"sha256:084ae0257f4fabbb57f51a981c30f6b2a564b5cb39341f8fea2eb5e0ad4e0a0b","target":"record","created_at":"2026-05-18T03:10:23Z","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":"7bbd78e7966a5c8cfba3704c7118f67de6985d8f36faab59a7b65ed66e14d8c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-16T13:33:43Z","title_canon_sha256":"6f2902fe0d7f8f45cf294a3a5343e02f7bcfad62eb07b3c386e6892747a31fb6"},"schema_version":"1.0","source":{"id":"1310.4370","kind":"arxiv","version":1}},"canonical_sha256":"3b614392b9d1c8c9372eb104a4f224adaf2cd117552644fab2372cba63b1515e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b614392b9d1c8c9372eb104a4f224adaf2cd117552644fab2372cba63b1515e","first_computed_at":"2026-05-18T03:10:23.033576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:10:23.033576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6RZP3pTuZ5aVIpy/ES8sstAoGnOFUIdWcC4GGEODOrPDlV8NErklFUflo6y8MGBKTQduO3WqbYIgVCEb/7SNDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:10:23.034127Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.4370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:084ae0257f4fabbb57f51a981c30f6b2a564b5cb39341f8fea2eb5e0ad4e0a0b","sha256:312f29e1ff82e19ec881b886e615f71309b7aa80ef11b92ebb39829e088fedfb"],"state_sha256":"72b4839d8e790b52f2a8feb3ebef1bea9079d711703fa8678a6a06710fd4792c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hMhzUi2pNDYBwl9q2SZcqACIU/87JFtlC/WQYRcn9pq4QzGA7vFHZeqgJ185UrG+5WKFWWg2Gzj5cBIxdqXqDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T23:04:52.462252Z","bundle_sha256":"65f6bd5344e34fd3c5910a48389ca2ebc2656447a677ff5fc65dedd0eaf87737"}}