{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:DA2ZABL47OVAGE7WJ5N4BCQUB2","short_pith_number":"pith:DA2ZABL4","canonical_record":{"source":{"id":"1009.5927","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2010-09-29T15:56:28Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"6f17fe99f804e3a83ea68eb726687c8e7ab841e51cf25f936c641556a3a8ec29","abstract_canon_sha256":"e55eb6bb6b2fa608fd9d489149698f680aefcd9112af0e165b9b252d62ac0e31"},"schema_version":"1.0"},"canonical_sha256":"183590057cfbaa0313f64f5bc08a140ebcc6c140af62978837ca1581ac7350a5","source":{"kind":"arxiv","id":"1009.5927","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5927","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5927v2","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5927","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"DA2ZABL47OVA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DA2ZABL47OVAGE7W","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DA2ZABL4","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:DA2ZABL47OVAGE7WJ5N4BCQUB2","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5927","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2010-09-29T15:56:28Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"6f17fe99f804e3a83ea68eb726687c8e7ab841e51cf25f936c641556a3a8ec29","abstract_canon_sha256":"e55eb6bb6b2fa608fd9d489149698f680aefcd9112af0e165b9b252d62ac0e31"},"schema_version":"1.0"},"canonical_sha256":"183590057cfbaa0313f64f5bc08a140ebcc6c140af62978837ca1581ac7350a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:13.507245Z","signature_b64":"Vo09uUvH+8ge9fwMzThPzpPwcwGyzMHMRx2Hao3VX1mta0/tZuH+QRZ68qKAJA5P+DXKZH3zhShxHURe0lgWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"183590057cfbaa0313f64f5bc08a140ebcc6c140af62978837ca1581ac7350a5","last_reissued_at":"2026-05-18T02:05:13.506729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:13.506729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5927","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBFcwBXlVGflcHxOIS3GF1uZsL+zYgDwEHkExmghJCC5xvtiWI5EufuqB0Ok80356YpMZjK/qbW7zlKIS2eZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:57:45.245209Z"},"content_sha256":"d9b2bcd3a49ced415810cff37628afffed9a01ab12ce383fb13d984ad213ca61","schema_version":"1.0","event_id":"sha256:d9b2bcd3a49ced415810cff37628afffed9a01ab12ce383fb13d984ad213ca61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:DA2ZABL47OVAGE7WJ5N4BCQUB2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Boundary Effects on the Determination of Metamaterial Parameters from Normal Incidence Reflection and Transmission Measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"physics.class-ph","authors_text":"Aaron D. Scher, Christopher L. Holloway, Edward F. Kuester, James Baker-Jarvis, Sung Kim","submitted_at":"2010-09-29T15:56:28Z","abstract_excerpt":"A method is described for the determination of the effective electromagnetic parameters of a metamaterial based only on external measurements or simulations, taking boundary effects at the interfaces between a conventional material and metamaterial into account. Plane-wave reflection and transmission coefficients at the interfaces are regarded as additional unknowns to be determined, rather than explicitly dependent on the material parameters. Our technique is thus analogous to the line-reflect-line (LRL) calibration method in microwave measurements. The refractive index can be determined from"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5927","kind":"arxiv","version":2},"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":"2026-05-18T02:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v0rrwJ2jKdWnHFpZSf1SpvmblXMaREbyk9vr3B2WvTDCRn+bPC3GyB2BnsKt6/fIqTtm5jI4wzHmTZ9WL3PeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:57:45.246098Z"},"content_sha256":"e7b613c33708069ccd61bbd5174ef481db6d1dd0af80fc47d5a7f33f28777b87","schema_version":"1.0","event_id":"sha256:e7b613c33708069ccd61bbd5174ef481db6d1dd0af80fc47d5a7f33f28777b87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/bundle.json","state_url":"https://pith.science/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/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":"2026-06-09T21:57:45Z","links":{"resolver":"https://pith.science/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2","bundle":"https://pith.science/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/bundle.json","state":"https://pith.science/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DA2ZABL47OVAGE7WJ5N4BCQUB2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:DA2ZABL47OVAGE7WJ5N4BCQUB2","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":"e55eb6bb6b2fa608fd9d489149698f680aefcd9112af0e165b9b252d62ac0e31","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2010-09-29T15:56:28Z","title_canon_sha256":"6f17fe99f804e3a83ea68eb726687c8e7ab841e51cf25f936c641556a3a8ec29"},"schema_version":"1.0","source":{"id":"1009.5927","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5927","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5927v2","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5927","created_at":"2026-05-18T02:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"DA2ZABL47OVA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DA2ZABL47OVAGE7W","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DA2ZABL4","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:e7b613c33708069ccd61bbd5174ef481db6d1dd0af80fc47d5a7f33f28777b87","target":"graph","created_at":"2026-05-18T02:05:13Z","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":"A method is described for the determination of the effective electromagnetic parameters of a metamaterial based only on external measurements or simulations, taking boundary effects at the interfaces between a conventional material and metamaterial into account. Plane-wave reflection and transmission coefficients at the interfaces are regarded as additional unknowns to be determined, rather than explicitly dependent on the material parameters. Our technique is thus analogous to the line-reflect-line (LRL) calibration method in microwave measurements. The refractive index can be determined from","authors_text":"Aaron D. Scher, Christopher L. Holloway, Edward F. Kuester, James Baker-Jarvis, Sung Kim","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2010-09-29T15:56:28Z","title":"Boundary Effects on the Determination of Metamaterial Parameters from Normal Incidence Reflection and Transmission Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5927","kind":"arxiv","version":2},"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:d9b2bcd3a49ced415810cff37628afffed9a01ab12ce383fb13d984ad213ca61","target":"record","created_at":"2026-05-18T02:05:13Z","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":"e55eb6bb6b2fa608fd9d489149698f680aefcd9112af0e165b9b252d62ac0e31","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2010-09-29T15:56:28Z","title_canon_sha256":"6f17fe99f804e3a83ea68eb726687c8e7ab841e51cf25f936c641556a3a8ec29"},"schema_version":"1.0","source":{"id":"1009.5927","kind":"arxiv","version":2}},"canonical_sha256":"183590057cfbaa0313f64f5bc08a140ebcc6c140af62978837ca1581ac7350a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"183590057cfbaa0313f64f5bc08a140ebcc6c140af62978837ca1581ac7350a5","first_computed_at":"2026-05-18T02:05:13.506729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:13.506729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vo09uUvH+8ge9fwMzThPzpPwcwGyzMHMRx2Hao3VX1mta0/tZuH+QRZ68qKAJA5P+DXKZH3zhShxHURe0lgWCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:13.507245Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5927","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9b2bcd3a49ced415810cff37628afffed9a01ab12ce383fb13d984ad213ca61","sha256:e7b613c33708069ccd61bbd5174ef481db6d1dd0af80fc47d5a7f33f28777b87"],"state_sha256":"8fd87f0b5e84b0a5d6cdfb0c84dadd3a476df5407d195a525d75bb3ca0ad6400"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NsPikKgpuGShMvkxdhYER3VC+if6pqd+zT8yruXsUgt+hwfTpC0+K6CSLUNXNIsZClIyge4hdjFdXk2oJaEpCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T21:57:45.250662Z","bundle_sha256":"16178bcd4caf6f7e917ff4229720d59bc02f87097bb43967389eec622d92d444"}}