{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:XJQVYPJSQLEXHRVQNXXNPLD2ED","short_pith_number":"pith:XJQVYPJS","canonical_record":{"source":{"id":"cond-mat/0311203","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2003-11-10T08:30:11Z","cross_cats_sorted":[],"title_canon_sha256":"772a49338122ac70361f7078f40714158768aa2590d81828ef4d20534d75a35a","abstract_canon_sha256":"2620994e74323f2367c4d1560e6539b56812194cf2fd37fe447573f8b4ea110c"},"schema_version":"1.0"},"canonical_sha256":"ba615c3d3282c973c6b06deed7ac7a20e3ce6e79cbafbfb8d3f655afc8835d67","source":{"kind":"arxiv","id":"cond-mat/0311203","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311203","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311203v1","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311203","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"XJQVYPJSQLEX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XJQVYPJSQLEXHRVQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XJQVYPJS","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:XJQVYPJSQLEXHRVQNXXNPLD2ED","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0311203","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2003-11-10T08:30:11Z","cross_cats_sorted":[],"title_canon_sha256":"772a49338122ac70361f7078f40714158768aa2590d81828ef4d20534d75a35a","abstract_canon_sha256":"2620994e74323f2367c4d1560e6539b56812194cf2fd37fe447573f8b4ea110c"},"schema_version":"1.0"},"canonical_sha256":"ba615c3d3282c973c6b06deed7ac7a20e3ce6e79cbafbfb8d3f655afc8835d67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:32.427449Z","signature_b64":"Ric7KmKQtn8iyMOqBq6DvuNN1w/Fh/D6ypvDHmt6M5Zdl2t6bRelUBe4qFwYcSGY/L2Dt4NsbdqflfDMVUNpCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba615c3d3282c973c6b06deed7ac7a20e3ce6e79cbafbfb8d3f655afc8835d67","last_reissued_at":"2026-05-18T03:24:32.426801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:32.426801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0311203","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":"2026-05-18T03:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uhi8asN5Z9jq/CJmHAQKRRSdTKIszxnr0YMWunJPZeZRaQVFITe9n5WzTthIBkTpPRkMruMN7s3NZYAbJgYIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T06:23:41.077250Z"},"content_sha256":"f80fdcf346d0c8fbdf120df38e871c88677b4e25eb7204747b1b5e7ca5d90f19","schema_version":"1.0","event_id":"sha256:f80fdcf346d0c8fbdf120df38e871c88677b4e25eb7204747b1b5e7ca5d90f19"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:XJQVYPJSQLEXHRVQNXXNPLD2ED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A spherical perfect lens","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.dis-nn","authors_text":"J.B. Pendry (Imperial College London), Kanpur), S. Anantha Ramakrishna (IIT","submitted_at":"2003-11-10T08:30:11Z","abstract_excerpt":"It has been recently proved that a slab of negative refractive index material acts as a perfect lens in that it makes accessible the sub-wavelength image information contained in the evanescent modes of a source. Here we elaborate on perfect lens solutions to spherical shells of negative refractive material where magnification of the near-field images becomes possible. The negative refractive materials then need to be spatially dispersive with $\\epsilon(r) \\sim 1/r$ and $\\mu(r)\\sim 1/r$. We concentrate on lens-like solutions for the extreme near-field limit. Then the conditions for the TM and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311203","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":"2026-05-18T03:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nFbh0mW0UDLhG72hu+VP1GsQCJ755pnfYV9YB2Mv+GAL311P1LMOg90f4hzxxMU8kaJP/35EyVdCtHGYBFeSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T06:23:41.077958Z"},"content_sha256":"fc304192b4506e85910f82f01a76790962c04fa9b609f7c45f02a44b26451826","schema_version":"1.0","event_id":"sha256:fc304192b4506e85910f82f01a76790962c04fa9b609f7c45f02a44b26451826"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/bundle.json","state_url":"https://pith.science/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/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":"2026-06-11T06:23:41Z","links":{"resolver":"https://pith.science/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED","bundle":"https://pith.science/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/bundle.json","state":"https://pith.science/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJQVYPJSQLEXHRVQNXXNPLD2ED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:XJQVYPJSQLEXHRVQNXXNPLD2ED","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":"2620994e74323f2367c4d1560e6539b56812194cf2fd37fe447573f8b4ea110c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2003-11-10T08:30:11Z","title_canon_sha256":"772a49338122ac70361f7078f40714158768aa2590d81828ef4d20534d75a35a"},"schema_version":"1.0","source":{"id":"cond-mat/0311203","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0311203","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0311203v1","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0311203","created_at":"2026-05-18T03:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"XJQVYPJSQLEX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XJQVYPJSQLEXHRVQ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XJQVYPJS","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:fc304192b4506e85910f82f01a76790962c04fa9b609f7c45f02a44b26451826","target":"graph","created_at":"2026-05-18T03:24:32Z","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":"It has been recently proved that a slab of negative refractive index material acts as a perfect lens in that it makes accessible the sub-wavelength image information contained in the evanescent modes of a source. Here we elaborate on perfect lens solutions to spherical shells of negative refractive material where magnification of the near-field images becomes possible. The negative refractive materials then need to be spatially dispersive with $\\epsilon(r) \\sim 1/r$ and $\\mu(r)\\sim 1/r$. We concentrate on lens-like solutions for the extreme near-field limit. Then the conditions for the TM and ","authors_text":"J.B. Pendry (Imperial College London), Kanpur), S. Anantha Ramakrishna (IIT","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2003-11-10T08:30:11Z","title":"A spherical perfect lens"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0311203","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:f80fdcf346d0c8fbdf120df38e871c88677b4e25eb7204747b1b5e7ca5d90f19","target":"record","created_at":"2026-05-18T03:24:32Z","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":"2620994e74323f2367c4d1560e6539b56812194cf2fd37fe447573f8b4ea110c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"2003-11-10T08:30:11Z","title_canon_sha256":"772a49338122ac70361f7078f40714158768aa2590d81828ef4d20534d75a35a"},"schema_version":"1.0","source":{"id":"cond-mat/0311203","kind":"arxiv","version":1}},"canonical_sha256":"ba615c3d3282c973c6b06deed7ac7a20e3ce6e79cbafbfb8d3f655afc8835d67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba615c3d3282c973c6b06deed7ac7a20e3ce6e79cbafbfb8d3f655afc8835d67","first_computed_at":"2026-05-18T03:24:32.426801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:32.426801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ric7KmKQtn8iyMOqBq6DvuNN1w/Fh/D6ypvDHmt6M5Zdl2t6bRelUBe4qFwYcSGY/L2Dt4NsbdqflfDMVUNpCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:32.427449Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0311203","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f80fdcf346d0c8fbdf120df38e871c88677b4e25eb7204747b1b5e7ca5d90f19","sha256:fc304192b4506e85910f82f01a76790962c04fa9b609f7c45f02a44b26451826"],"state_sha256":"7f45b8de4f3ff035426e176e5e57eea3d2f15f243b87a3113832496d6a088f8c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"plej1f/wvXFHiA+pi9zpdJjEXR0aDnPuaj6Ajzx/Z534gl8gRn/BaXDxum+9O9O6hle4eHH7IsSRWKXlkHH7DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T06:23:41.082545Z","bundle_sha256":"11503f69b5453a2ec06080460fa74ca81f742392d8abf4a056ea57e071f0062f"}}