{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7FJ6ZJJD2PDQOR5RXWN64QB7GP","short_pith_number":"pith:7FJ6ZJJD","canonical_record":{"source":{"id":"1806.08833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-19T14:21:21Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"9eb3167bea1ea510bcb86a4db184463ae5f4821dbb3df56338e4349dd23b51e4","abstract_canon_sha256":"5e90de707b26e72aae9aac2bb23c59db01e188d96a7c70df72e5d3b20fd6e0c9"},"schema_version":"1.0"},"canonical_sha256":"f953eca523d3c70747b1bd9bee403f33d37236eedee0d488e533e841c7d3bcee","source":{"kind":"arxiv","id":"1806.08833","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08833","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08833v1","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08833","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"pith_short_12","alias_value":"7FJ6ZJJD2PDQ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7FJ6ZJJD2PDQOR5R","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7FJ6ZJJD","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7FJ6ZJJD2PDQOR5RXWN64QB7GP","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-19T14:21:21Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"9eb3167bea1ea510bcb86a4db184463ae5f4821dbb3df56338e4349dd23b51e4","abstract_canon_sha256":"5e90de707b26e72aae9aac2bb23c59db01e188d96a7c70df72e5d3b20fd6e0c9"},"schema_version":"1.0"},"canonical_sha256":"f953eca523d3c70747b1bd9bee403f33d37236eedee0d488e533e841c7d3bcee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:31.146313Z","signature_b64":"J9dh0grFLRfErioPGe9gaHLLb+UqQfof3vkhq/UqPB8zF31S6tbfAJhihsW6pymybn/YTgf4yQ5uDXrViAWODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f953eca523d3c70747b1bd9bee403f33d37236eedee0d488e533e841c7d3bcee","last_reissued_at":"2026-05-18T00:12:31.145693Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:31.145693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08833","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":"2026-05-18T00:12:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JdMbrBdjrVpW7QBcSkBXs7qHgsVXBcPRnpT1AlGR1qQazBzgowC9D6BBG+MJpBt0v4kEthEjuWTqRFJyvv3+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T22:18:29.957724Z"},"content_sha256":"71f33021b99831e8883628724f6ac5973b953f83d18e8398e1ae92b3966f2fc4","schema_version":"1.0","event_id":"sha256:71f33021b99831e8883628724f6ac5973b953f83d18e8398e1ae92b3966f2fc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7FJ6ZJJD2PDQOR5RXWN64QB7GP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherency-broken Bragg filters: surpassing on-chip rejection limitations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"C. Alonso-Ramos, D. Marris-Morini, D. Oser, D. Perez-Galacho, E. Cassan, F. Mazeas, L. Labonte, L. Vivien, O. Alibart, S. Tanzilli, X. Le Roux","submitted_at":"2018-06-19T14:21:21Z","abstract_excerpt":"Selective on-chip optical filters with high rejection levels are key components for a wide range of advanced photonic circuits. However, maximum achievable rejection in state-of-the-art on-chip devices is seriously limited by phase errors arising from fabrication imperfections. Due to coherent interactions, unwanted phase-shifts result in detrimental destructive interferences that distort the filter response, whatever the chosen strategy (resonators, interferometers, Bragg filters, etc.). Here we propose and experimentally demonstrate a radically different approach to overcome this fundamental"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08833","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":"2026-05-18T00:12:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZIrrashOWfx1kb+nkzmDpl6iOcMzLrXtJ549fncIdxk9LZwiyMXJE5zIwDuGoONfxBZwViT11e0/hDrqYupGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T22:18:29.958306Z"},"content_sha256":"8fa44dac1f3181e2a1d6d1500f84ea418fe327f0e08c21b49c258c9c314e0b78","schema_version":"1.0","event_id":"sha256:8fa44dac1f3181e2a1d6d1500f84ea418fe327f0e08c21b49c258c9c314e0b78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/bundle.json","state_url":"https://pith.science/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/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":"2026-05-18T22:18:29Z","links":{"resolver":"https://pith.science/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP","bundle":"https://pith.science/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/bundle.json","state":"https://pith.science/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FJ6ZJJD2PDQOR5RXWN64QB7GP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7FJ6ZJJD2PDQOR5RXWN64QB7GP","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":"5e90de707b26e72aae9aac2bb23c59db01e188d96a7c70df72e5d3b20fd6e0c9","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-19T14:21:21Z","title_canon_sha256":"9eb3167bea1ea510bcb86a4db184463ae5f4821dbb3df56338e4349dd23b51e4"},"schema_version":"1.0","source":{"id":"1806.08833","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08833","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08833v1","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08833","created_at":"2026-05-18T00:12:31Z"},{"alias_kind":"pith_short_12","alias_value":"7FJ6ZJJD2PDQ","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7FJ6ZJJD2PDQOR5R","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7FJ6ZJJD","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:8fa44dac1f3181e2a1d6d1500f84ea418fe327f0e08c21b49c258c9c314e0b78","target":"graph","created_at":"2026-05-18T00:12:31Z","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":"Selective on-chip optical filters with high rejection levels are key components for a wide range of advanced photonic circuits. However, maximum achievable rejection in state-of-the-art on-chip devices is seriously limited by phase errors arising from fabrication imperfections. Due to coherent interactions, unwanted phase-shifts result in detrimental destructive interferences that distort the filter response, whatever the chosen strategy (resonators, interferometers, Bragg filters, etc.). Here we propose and experimentally demonstrate a radically different approach to overcome this fundamental","authors_text":"C. Alonso-Ramos, D. Marris-Morini, D. Oser, D. Perez-Galacho, E. Cassan, F. Mazeas, L. Labonte, L. Vivien, O. Alibart, S. Tanzilli, X. Le Roux","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-19T14:21:21Z","title":"Coherency-broken Bragg filters: surpassing on-chip rejection limitations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08833","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":"sha256:71f33021b99831e8883628724f6ac5973b953f83d18e8398e1ae92b3966f2fc4","target":"record","created_at":"2026-05-18T00:12:31Z","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":"5e90de707b26e72aae9aac2bb23c59db01e188d96a7c70df72e5d3b20fd6e0c9","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-06-19T14:21:21Z","title_canon_sha256":"9eb3167bea1ea510bcb86a4db184463ae5f4821dbb3df56338e4349dd23b51e4"},"schema_version":"1.0","source":{"id":"1806.08833","kind":"arxiv","version":1}},"canonical_sha256":"f953eca523d3c70747b1bd9bee403f33d37236eedee0d488e533e841c7d3bcee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f953eca523d3c70747b1bd9bee403f33d37236eedee0d488e533e841c7d3bcee","first_computed_at":"2026-05-18T00:12:31.145693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:31.145693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J9dh0grFLRfErioPGe9gaHLLb+UqQfof3vkhq/UqPB8zF31S6tbfAJhihsW6pymybn/YTgf4yQ5uDXrViAWODQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:31.146313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08833","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71f33021b99831e8883628724f6ac5973b953f83d18e8398e1ae92b3966f2fc4","sha256:8fa44dac1f3181e2a1d6d1500f84ea418fe327f0e08c21b49c258c9c314e0b78"],"state_sha256":"fcd7b6e7cdf5577a5156d14986e69c3daffccc174cff8126571f41795c33922c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D/y6MINIWLPf+RGnk01v6vWahV9rB/61SrsRj70d2zAvSeJ4Vo+aE4gyCJob7PgiOafEFLvrNc3jj594xt51Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T22:18:29.960465Z","bundle_sha256":"49495827db1052f3aa598fe2f4a20e8fcac100b19d4a616a576054169e68cf19"}}