{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:CSJZG6OYU6Z4PB7D44BJQ44YQQ","short_pith_number":"pith:CSJZG6OY","canonical_record":{"source":{"id":"1110.2647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-12T13:04:06Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"6fa179c793b2ee69372da616cdda3dd249d0d8b57e37a9f90bc0e2fac0795de5","abstract_canon_sha256":"cd6b9aabfd6bf64fe223cb7b08cea1975cc660bd1a8c63246deb410772daee25"},"schema_version":"1.0"},"canonical_sha256":"14939379d8a7b3c787e3e702987398843714a8a4b30847a274ff7a880cc5fbf1","source":{"kind":"arxiv","id":"1110.2647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2647","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2647v1","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2647","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"CSJZG6OYU6Z4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CSJZG6OYU6Z4PB7D","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CSJZG6OY","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:CSJZG6OYU6Z4PB7D44BJQ44YQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1110.2647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-12T13:04:06Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"6fa179c793b2ee69372da616cdda3dd249d0d8b57e37a9f90bc0e2fac0795de5","abstract_canon_sha256":"cd6b9aabfd6bf64fe223cb7b08cea1975cc660bd1a8c63246deb410772daee25"},"schema_version":"1.0"},"canonical_sha256":"14939379d8a7b3c787e3e702987398843714a8a4b30847a274ff7a880cc5fbf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:07.845562Z","signature_b64":"ZPnY0ZiSweDZmEzBJbcfxJV96cZ+MhVKPQrRMliZ2UVUZ+BpDgdFmJTvecqgDdu0wJADxoiK4KXysyZbb3RPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14939379d8a7b3c787e3e702987398843714a8a4b30847a274ff7a880cc5fbf1","last_reissued_at":"2026-05-18T04:11:07.845107Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:07.845107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.2647","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":"2026-05-18T04:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k5v9wlxVNDHGX3VcMzQOP6APo5hJ1X6nZhi9XvKjUSMQFezGXGW0NNBEs+r2tiTrHJngH7zfLLfhDhfCGUvzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:20:51.768337Z"},"content_sha256":"4b615315d2f8eaa5b5584edd90ec8bf1fe63dfed1f1d78c6125959e125cdf5bb","schema_version":"1.0","event_id":"sha256:4b615315d2f8eaa5b5584edd90ec8bf1fe63dfed1f1d78c6125959e125cdf5bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:CSJZG6OYU6Z4PB7D44BJQ44YQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment to \"Nonreciprocal Light Propagation in a Silicon Photonic Circuit\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"physics.optics","authors_text":"Andrea Melloni, Mathias Vanwolleghem, Milo\\v{s} Popovi\\'c, Roel Baets, Wolfgang Freude","submitted_at":"2011-10-12T13:04:06Z","abstract_excerpt":"In the article \"Nonreciprocal Light Propagation in a Silicon Photonic Circuit\" (Science 333, 729-733 (2011) a nonreciprocal waveguide system based on a combination of silicon, dielectrics and metals is reported. In this Comment it is explained that the interpretation with respect to nonreciprocity in this paper is incorrect and conflicts with the fundamental Lorentz reciprocity theorem. It is further pointed out that a previous publication already introduced the device concept."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2647","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":"2026-05-18T04:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yU2VWEjP8CLwRMeORPjB6sofAU+IflcyWW3s2ll001cqv3nobMe4WC6HfWau3D/1cOG2R6ZNR5wBjphpcyGdCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:20:51.768742Z"},"content_sha256":"dcc4bbaaea6430cc1a53a21caaf2528be738c8bdd59a67fff747f9b75a2a6ece","schema_version":"1.0","event_id":"sha256:dcc4bbaaea6430cc1a53a21caaf2528be738c8bdd59a67fff747f9b75a2a6ece"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/bundle.json","state_url":"https://pith.science/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/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":"2026-05-19T18:20:51Z","links":{"resolver":"https://pith.science/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ","bundle":"https://pith.science/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/bundle.json","state":"https://pith.science/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CSJZG6OYU6Z4PB7D44BJQ44YQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CSJZG6OYU6Z4PB7D44BJQ44YQQ","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":"cd6b9aabfd6bf64fe223cb7b08cea1975cc660bd1a8c63246deb410772daee25","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-12T13:04:06Z","title_canon_sha256":"6fa179c793b2ee69372da616cdda3dd249d0d8b57e37a9f90bc0e2fac0795de5"},"schema_version":"1.0","source":{"id":"1110.2647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2647","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2647v1","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2647","created_at":"2026-05-18T04:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"CSJZG6OYU6Z4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CSJZG6OYU6Z4PB7D","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CSJZG6OY","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:dcc4bbaaea6430cc1a53a21caaf2528be738c8bdd59a67fff747f9b75a2a6ece","target":"graph","created_at":"2026-05-18T04:11:07Z","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":"In the article \"Nonreciprocal Light Propagation in a Silicon Photonic Circuit\" (Science 333, 729-733 (2011) a nonreciprocal waveguide system based on a combination of silicon, dielectrics and metals is reported. In this Comment it is explained that the interpretation with respect to nonreciprocity in this paper is incorrect and conflicts with the fundamental Lorentz reciprocity theorem. It is further pointed out that a previous publication already introduced the device concept.","authors_text":"Andrea Melloni, Mathias Vanwolleghem, Milo\\v{s} Popovi\\'c, Roel Baets, Wolfgang Freude","cross_cats":["physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-12T13:04:06Z","title":"Comment to \"Nonreciprocal Light Propagation in a Silicon Photonic Circuit\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2647","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":"sha256:4b615315d2f8eaa5b5584edd90ec8bf1fe63dfed1f1d78c6125959e125cdf5bb","target":"record","created_at":"2026-05-18T04:11:07Z","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":"cd6b9aabfd6bf64fe223cb7b08cea1975cc660bd1a8c63246deb410772daee25","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-12T13:04:06Z","title_canon_sha256":"6fa179c793b2ee69372da616cdda3dd249d0d8b57e37a9f90bc0e2fac0795de5"},"schema_version":"1.0","source":{"id":"1110.2647","kind":"arxiv","version":1}},"canonical_sha256":"14939379d8a7b3c787e3e702987398843714a8a4b30847a274ff7a880cc5fbf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14939379d8a7b3c787e3e702987398843714a8a4b30847a274ff7a880cc5fbf1","first_computed_at":"2026-05-18T04:11:07.845107Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:07.845107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZPnY0ZiSweDZmEzBJbcfxJV96cZ+MhVKPQrRMliZ2UVUZ+BpDgdFmJTvecqgDdu0wJADxoiK4KXysyZbb3RPDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:07.845562Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b615315d2f8eaa5b5584edd90ec8bf1fe63dfed1f1d78c6125959e125cdf5bb","sha256:dcc4bbaaea6430cc1a53a21caaf2528be738c8bdd59a67fff747f9b75a2a6ece"],"state_sha256":"1b3243f812027dc09d5fc5de97e1cac8dffde71d1b280b004e959b102001eb0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nktz7bKn9mDBcrDrWoAd7DQmqhHPnuAo9Da7wVaxCFnKAit7O+6loUlR6AZ3ncuYLatYdd1rNwnUCR3fuBEaDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:20:51.770885Z","bundle_sha256":"c1edabf2e08f72ba1fd90ffd4a46b40d06de525c9f67585a5509f926c8093213"}}