{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5VPM472YBVJNVROA6BSGQKJDBT","short_pith_number":"pith:5VPM472Y","canonical_record":{"source":{"id":"1506.00803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-02T09:06:54Z","cross_cats_sorted":[],"title_canon_sha256":"bf7230687e8bd758e0a2c6c667b3097560c3d165625d2174433a5c0ae6c18081","abstract_canon_sha256":"9a7b53f5c09a29e3212d13c685fd8cfc08d0499e8305f431f85ad8734c065722"},"schema_version":"1.0"},"canonical_sha256":"ed5ece7f580d52dac5c0f0646829230cd59b0e4c88532ac26b05b3412dcf7e32","source":{"kind":"arxiv","id":"1506.00803","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.00803","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"arxiv_version","alias_value":"1506.00803v1","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00803","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"pith_short_12","alias_value":"5VPM472YBVJN","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"5VPM472YBVJNVROA","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"5VPM472Y","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5VPM472YBVJNVROA6BSGQKJDBT","target":"record","payload":{"canonical_record":{"source":{"id":"1506.00803","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-02T09:06:54Z","cross_cats_sorted":[],"title_canon_sha256":"bf7230687e8bd758e0a2c6c667b3097560c3d165625d2174433a5c0ae6c18081","abstract_canon_sha256":"9a7b53f5c09a29e3212d13c685fd8cfc08d0499e8305f431f85ad8734c065722"},"schema_version":"1.0"},"canonical_sha256":"ed5ece7f580d52dac5c0f0646829230cd59b0e4c88532ac26b05b3412dcf7e32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:34.911053Z","signature_b64":"ANGvEuoLrJEcXvqu0TRu4o+DV0cukTSstNr4pMSlzb05315Bj4skzXLxIX4ZIhotWMZdNeqgMQ7j64f23jo8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed5ece7f580d52dac5c0f0646829230cd59b0e4c88532ac26b05b3412dcf7e32","last_reissued_at":"2026-05-18T01:33:34.910347Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:34.910347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.00803","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":"2026-05-18T01:33:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LINwVe+Z+MFpN8kU3TgVxU43c9eT64X8vkbpOGgm2SjNiFM2xKj70fZgiO2rS1XUtjGZMSEepAuermi/ZcbMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:35:37.973599Z"},"content_sha256":"1f132b8e98339f8d70f3379c8faf386cf9b8838c8f6c000fab574a9fdd131bff","schema_version":"1.0","event_id":"sha256:1f132b8e98339f8d70f3379c8faf386cf9b8838c8f6c000fab574a9fdd131bff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5VPM472YBVJNVROA6BSGQKJDBT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-performance and power-efficient 2${\\times}$2 optical switch on Silicon-on-Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alfredo De Rossi, Gregory Moille, J\\'er\\^ome Bourderionnet, Philippe Boucaud, Sylvain Combri\\'e, Xavier Checoury, Zheng Han","submitted_at":"2015-06-02T09:06:54Z","abstract_excerpt":"A compact (15{\\mu}m${\\times}${\\mu}m) and highly-optimized 2${\\times}$2 optical switch is demonstrated on a CMOS-compatible photonic crystal technology. On-chip insertion loss are below 1dB, static and dynamic contrast are 40dB and >20dB respectively. Owing to efficient thermo-optic design, the power consumption is below 3 mW while the switching time is 1 {\\mu}s."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00803","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":"2026-05-18T01:33:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NKGECJJIP0NL2OXF0TrRxgzAMnPoW7eAlKpMsb7tNHd8VvS2osYQ0G+6EXebKhXyBEo2ZaBYz3xb3KkPNL6kCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:35:37.974265Z"},"content_sha256":"97fba10cc496b00544b0cd061cd7dba06fc7494f346efc838bef527841412775","schema_version":"1.0","event_id":"sha256:97fba10cc496b00544b0cd061cd7dba06fc7494f346efc838bef527841412775"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5VPM472YBVJNVROA6BSGQKJDBT/bundle.json","state_url":"https://pith.science/pith/5VPM472YBVJNVROA6BSGQKJDBT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5VPM472YBVJNVROA6BSGQKJDBT/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":"2026-05-25T06:35:37Z","links":{"resolver":"https://pith.science/pith/5VPM472YBVJNVROA6BSGQKJDBT","bundle":"https://pith.science/pith/5VPM472YBVJNVROA6BSGQKJDBT/bundle.json","state":"https://pith.science/pith/5VPM472YBVJNVROA6BSGQKJDBT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5VPM472YBVJNVROA6BSGQKJDBT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5VPM472YBVJNVROA6BSGQKJDBT","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":"9a7b53f5c09a29e3212d13c685fd8cfc08d0499e8305f431f85ad8734c065722","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-02T09:06:54Z","title_canon_sha256":"bf7230687e8bd758e0a2c6c667b3097560c3d165625d2174433a5c0ae6c18081"},"schema_version":"1.0","source":{"id":"1506.00803","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.00803","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"arxiv_version","alias_value":"1506.00803v1","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00803","created_at":"2026-05-18T01:33:34Z"},{"alias_kind":"pith_short_12","alias_value":"5VPM472YBVJN","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"5VPM472YBVJNVROA","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"5VPM472Y","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:97fba10cc496b00544b0cd061cd7dba06fc7494f346efc838bef527841412775","target":"graph","created_at":"2026-05-18T01:33:34Z","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":"A compact (15{\\mu}m${\\times}${\\mu}m) and highly-optimized 2${\\times}$2 optical switch is demonstrated on a CMOS-compatible photonic crystal technology. On-chip insertion loss are below 1dB, static and dynamic contrast are 40dB and >20dB respectively. Owing to efficient thermo-optic design, the power consumption is below 3 mW while the switching time is 1 {\\mu}s.","authors_text":"Alfredo De Rossi, Gregory Moille, J\\'er\\^ome Bourderionnet, Philippe Boucaud, Sylvain Combri\\'e, Xavier Checoury, Zheng Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-02T09:06:54Z","title":"High-performance and power-efficient 2${\\times}$2 optical switch on Silicon-on-Insulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00803","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":"sha256:1f132b8e98339f8d70f3379c8faf386cf9b8838c8f6c000fab574a9fdd131bff","target":"record","created_at":"2026-05-18T01:33:34Z","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":"9a7b53f5c09a29e3212d13c685fd8cfc08d0499e8305f431f85ad8734c065722","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-02T09:06:54Z","title_canon_sha256":"bf7230687e8bd758e0a2c6c667b3097560c3d165625d2174433a5c0ae6c18081"},"schema_version":"1.0","source":{"id":"1506.00803","kind":"arxiv","version":1}},"canonical_sha256":"ed5ece7f580d52dac5c0f0646829230cd59b0e4c88532ac26b05b3412dcf7e32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed5ece7f580d52dac5c0f0646829230cd59b0e4c88532ac26b05b3412dcf7e32","first_computed_at":"2026-05-18T01:33:34.910347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:34.910347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ANGvEuoLrJEcXvqu0TRu4o+DV0cukTSstNr4pMSlzb05315Bj4skzXLxIX4ZIhotWMZdNeqgMQ7j64f23jo8AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:34.911053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.00803","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f132b8e98339f8d70f3379c8faf386cf9b8838c8f6c000fab574a9fdd131bff","sha256:97fba10cc496b00544b0cd061cd7dba06fc7494f346efc838bef527841412775"],"state_sha256":"33811857580f4d93792a9ca076c38dd81d404b04a58c708f835fc96bee1ae3c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h6s2iBGstwN5lepdcKKdsBFOHxN5SykuFZD8gF7qEbX/YRSrDROUjaXzPagtTHiLWOtWs1c4SQp2AkjN2KCoAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T06:35:37.978246Z","bundle_sha256":"325c82b7a3b5acdabb1c774c9c47aa57fa0c8cc8d476630285710d2e9fa541d2"}}