{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:57MOPLZWFY7GVBYIIKVSSC6446","short_pith_number":"pith:57MOPLZW","schema_version":"1.0","canonical_sha256":"efd8e7af362e3e6a870842ab290bdce7bffe0b8ee549c9d9b023e2317a1cd492","source":{"kind":"arxiv","id":"1105.5012","version":1},"attestation_state":"computed","paper":{"title":"Spectral super-resolution in metamaterial composites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","math.AP"],"primary_cat":"physics.optics","authors_text":"Graeme W. Milton, Johan Helsing, Ross C. McPhedran","submitted_at":"2011-05-25T13:07:08Z","abstract_excerpt":"We investigate the optical properties of periodic composites containing metamaterial inclusions in a normal material matrix. We consider the case where these inclusions have sharp corners, and following Hetherington and Thorpe, use analytic results to argue that it is then possible to deduce the shape of the corner (its included angle) by measurements of the absorptance of such composites when the scale size of the inclusions and period cell is much finer than the wavelength. These analytic arguments are supported by highly accurate numerical results for the effective permittivity function of "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1105.5012","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-25T13:07:08Z","cross_cats_sorted":["cond-mat.mtrl-sci","math.AP"],"title_canon_sha256":"5df6cd62f88df8d3c266cdcb0be2e0661193987b11c7e777ee9d5a9121077031","abstract_canon_sha256":"fc27907fc7bc9c2da814653202b62450e24a5c8d1f7603a11c27040eed158c92"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:50.984181Z","signature_b64":"OfJyb0BtY5oYLhxBUv1AgMwUcAvAYQtzjM9lKoBOizeIEXOd4zZug5yNKPbwb3G8nXrMEguW/p0mcquoEpxqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efd8e7af362e3e6a870842ab290bdce7bffe0b8ee549c9d9b023e2317a1cd492","last_reissued_at":"2026-05-18T02:01:50.983202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:50.983202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral super-resolution in metamaterial composites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","math.AP"],"primary_cat":"physics.optics","authors_text":"Graeme W. Milton, Johan Helsing, Ross C. McPhedran","submitted_at":"2011-05-25T13:07:08Z","abstract_excerpt":"We investigate the optical properties of periodic composites containing metamaterial inclusions in a normal material matrix. We consider the case where these inclusions have sharp corners, and following Hetherington and Thorpe, use analytic results to argue that it is then possible to deduce the shape of the corner (its included angle) by measurements of the absorptance of such composites when the scale size of the inclusions and period cell is much finer than the wavelength. These analytic arguments are supported by highly accurate numerical results for the effective permittivity function of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5012","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1105.5012","created_at":"2026-05-18T02:01:50.983328+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.5012v1","created_at":"2026-05-18T02:01:50.983328+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5012","created_at":"2026-05-18T02:01:50.983328+00:00"},{"alias_kind":"pith_short_12","alias_value":"57MOPLZWFY7G","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"57MOPLZWFY7GVBYI","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"57MOPLZW","created_at":"2026-05-18T12:26:20.644004+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446","json":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446.json","graph_json":"https://pith.science/api/pith-number/57MOPLZWFY7GVBYIIKVSSC6446/graph.json","events_json":"https://pith.science/api/pith-number/57MOPLZWFY7GVBYIIKVSSC6446/events.json","paper":"https://pith.science/paper/57MOPLZW"},"agent_actions":{"view_html":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446","download_json":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446.json","view_paper":"https://pith.science/paper/57MOPLZW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.5012&json=true","fetch_graph":"https://pith.science/api/pith-number/57MOPLZWFY7GVBYIIKVSSC6446/graph.json","fetch_events":"https://pith.science/api/pith-number/57MOPLZWFY7GVBYIIKVSSC6446/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446/action/storage_attestation","attest_author":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446/action/author_attestation","sign_citation":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446/action/citation_signature","submit_replication":"https://pith.science/pith/57MOPLZWFY7GVBYIIKVSSC6446/action/replication_record"}},"created_at":"2026-05-18T02:01:50.983328+00:00","updated_at":"2026-05-18T02:01:50.983328+00:00"}