{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:RDRCFQDUGGMABETSXI4SVSDGUD","short_pith_number":"pith:RDRCFQDU","canonical_record":{"source":{"id":"1302.5835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-02-23T18:46:57Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"cc2961536e633b5335be901df567b3a34278b18b6c48565ae12996b3d31a9234","abstract_canon_sha256":"5031e2fe913daab1b4f4f6060a2b9015a8fe97cb13064152930e3547771a44a7"},"schema_version":"1.0"},"canonical_sha256":"88e222c0743198009272ba392ac866a0f454f2828ba0f9253499f592e1be7da9","source":{"kind":"arxiv","id":"1302.5835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.5835","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1302.5835v1","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5835","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"RDRCFQDUGGMA","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RDRCFQDUGGMABETS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RDRCFQDU","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:RDRCFQDUGGMABETSXI4SVSDGUD","target":"record","payload":{"canonical_record":{"source":{"id":"1302.5835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-02-23T18:46:57Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"cc2961536e633b5335be901df567b3a34278b18b6c48565ae12996b3d31a9234","abstract_canon_sha256":"5031e2fe913daab1b4f4f6060a2b9015a8fe97cb13064152930e3547771a44a7"},"schema_version":"1.0"},"canonical_sha256":"88e222c0743198009272ba392ac866a0f454f2828ba0f9253499f592e1be7da9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:43.552850Z","signature_b64":"4mIfiVv7cwWSXFTdGFcFacVI32xzrtle0ve8W+0hUdu5jCcl8NyLG/8pLOLK8i06ATTPe2qkuLogc1WhUDekBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88e222c0743198009272ba392ac866a0f454f2828ba0f9253499f592e1be7da9","last_reissued_at":"2026-05-18T03:32:43.551949Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:43.551949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.5835","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":"2026-05-18T03:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OmGhwCp1JY4L8UkLtW3MwML3j3sb/RcDYGnXfq7KcSOAy9PyctOt9STw5WGheHeUdXbSzyQr0FH6UC/twElvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:55:51.856745Z"},"content_sha256":"55a949f952b86fcbd36e4bf3b689a8a8f8106da1861d041caea8163eedc5ee4a","schema_version":"1.0","event_id":"sha256:55a949f952b86fcbd36e4bf3b689a8a8f8106da1861d041caea8163eedc5ee4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:RDRCFQDUGGMABETSXI4SVSDGUD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photonic structures with disorder immunity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.dis-nn","authors_text":"E. Sadurni, J. A. Mendez-Bermudez","submitted_at":"2013-02-23T18:46:57Z","abstract_excerpt":"Periodic and disordered media are known to possess different transport properties, either classically or quantum-mechanically. This has been exhibited by effects such as Anderson localization in systems with disorder and the existence of photonic bandgaps in the periodic case. In this paper we analyze the transport properties of disordered waveguides with corners at very low frequencies, finding that the spectrum, conductance and wavefunctions are immune to disorder. Our waveguides are constructed by means of randomly oriented straight segments and connected by corners at right angles. Taking "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5835","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":"2026-05-18T03:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pp+pt8WhLCJ+Ur98fNxrm8g8ak3vIUa5aEWvk/Y1BcDiB+2hxFYYICHiKix9rWHBEYQOyVSKpnl3MRGxFKe5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:55:51.857475Z"},"content_sha256":"ec1b24f040def8cf46d64dc95dcc0440d1f9843aeeffbe4e7646bfb43f64107a","schema_version":"1.0","event_id":"sha256:ec1b24f040def8cf46d64dc95dcc0440d1f9843aeeffbe4e7646bfb43f64107a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDRCFQDUGGMABETSXI4SVSDGUD/bundle.json","state_url":"https://pith.science/pith/RDRCFQDUGGMABETSXI4SVSDGUD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDRCFQDUGGMABETSXI4SVSDGUD/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":"2026-06-08T15:55:51Z","links":{"resolver":"https://pith.science/pith/RDRCFQDUGGMABETSXI4SVSDGUD","bundle":"https://pith.science/pith/RDRCFQDUGGMABETSXI4SVSDGUD/bundle.json","state":"https://pith.science/pith/RDRCFQDUGGMABETSXI4SVSDGUD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDRCFQDUGGMABETSXI4SVSDGUD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:RDRCFQDUGGMABETSXI4SVSDGUD","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":"5031e2fe913daab1b4f4f6060a2b9015a8fe97cb13064152930e3547771a44a7","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-02-23T18:46:57Z","title_canon_sha256":"cc2961536e633b5335be901df567b3a34278b18b6c48565ae12996b3d31a9234"},"schema_version":"1.0","source":{"id":"1302.5835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.5835","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1302.5835v1","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5835","created_at":"2026-05-18T03:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"RDRCFQDUGGMA","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RDRCFQDUGGMABETS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RDRCFQDU","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:ec1b24f040def8cf46d64dc95dcc0440d1f9843aeeffbe4e7646bfb43f64107a","target":"graph","created_at":"2026-05-18T03:32:43Z","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":"Periodic and disordered media are known to possess different transport properties, either classically or quantum-mechanically. This has been exhibited by effects such as Anderson localization in systems with disorder and the existence of photonic bandgaps in the periodic case. In this paper we analyze the transport properties of disordered waveguides with corners at very low frequencies, finding that the spectrum, conductance and wavefunctions are immune to disorder. Our waveguides are constructed by means of randomly oriented straight segments and connected by corners at right angles. Taking ","authors_text":"E. Sadurni, J. A. Mendez-Bermudez","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-02-23T18:46:57Z","title":"Photonic structures with disorder immunity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5835","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":"sha256:55a949f952b86fcbd36e4bf3b689a8a8f8106da1861d041caea8163eedc5ee4a","target":"record","created_at":"2026-05-18T03:32:43Z","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":"5031e2fe913daab1b4f4f6060a2b9015a8fe97cb13064152930e3547771a44a7","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.dis-nn","submitted_at":"2013-02-23T18:46:57Z","title_canon_sha256":"cc2961536e633b5335be901df567b3a34278b18b6c48565ae12996b3d31a9234"},"schema_version":"1.0","source":{"id":"1302.5835","kind":"arxiv","version":1}},"canonical_sha256":"88e222c0743198009272ba392ac866a0f454f2828ba0f9253499f592e1be7da9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88e222c0743198009272ba392ac866a0f454f2828ba0f9253499f592e1be7da9","first_computed_at":"2026-05-18T03:32:43.551949Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:43.551949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4mIfiVv7cwWSXFTdGFcFacVI32xzrtle0ve8W+0hUdu5jCcl8NyLG/8pLOLK8i06ATTPe2qkuLogc1WhUDekBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:43.552850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.5835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55a949f952b86fcbd36e4bf3b689a8a8f8106da1861d041caea8163eedc5ee4a","sha256:ec1b24f040def8cf46d64dc95dcc0440d1f9843aeeffbe4e7646bfb43f64107a"],"state_sha256":"66a7ab5c04c73d8212a801abad98e1aa0537e8ccc883f6321cbdf1eae163c89c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IL6S7an2MeGtusIeU0VO9eO3utat2vsPzbnBnklniilexSwCgB74fMbtl53l1SkovhRP7rLYadXS/3hel41jDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:55:51.861615Z","bundle_sha256":"bd0ac6daa3aafb63de571c39477fdcf3648ae49e99edb1fcf6db1e180f78b45e"}}