{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:OVRIZPUYDXZN77S455I4KXFWJD","short_pith_number":"pith:OVRIZPUY","canonical_record":{"source":{"id":"2110.14806","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-10-27T22:53:35Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"83f0b532e8a7fd1f28532fa929f9207f0f5df753569aefb7374ce3c11a4a72d9","abstract_canon_sha256":"75abf822c4a315414960c25ad944527bb117daf94a6bba3277f4142668583dbb"},"schema_version":"1.0"},"canonical_sha256":"75628cbe981df2dffe5cef51c55cb648decbb671b040683894526992f230ac4e","source":{"kind":"arxiv","id":"2110.14806","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14806","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14806v1","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14806","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"OVRIZPUYDXZN","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"OVRIZPUYDXZN77S4","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"OVRIZPUY","created_at":"2026-07-05T09:50:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:OVRIZPUYDXZN77S455I4KXFWJD","target":"record","payload":{"canonical_record":{"source":{"id":"2110.14806","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-10-27T22:53:35Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"83f0b532e8a7fd1f28532fa929f9207f0f5df753569aefb7374ce3c11a4a72d9","abstract_canon_sha256":"75abf822c4a315414960c25ad944527bb117daf94a6bba3277f4142668583dbb"},"schema_version":"1.0"},"canonical_sha256":"75628cbe981df2dffe5cef51c55cb648decbb671b040683894526992f230ac4e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:50:42.103338Z","signature_b64":"noqk0f69tetIi+MVD6dFJxHb7QfC0IM7m7duzXcDwtIr1vEhTBJyx0IUgKwlLOzQiIgvDerlb4s5VVQR/sLfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75628cbe981df2dffe5cef51c55cb648decbb671b040683894526992f230ac4e","last_reissued_at":"2026-07-05T09:50:42.102920Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:50:42.102920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.14806","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":"2026-07-05T09:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8HtCIZQcjz0LYE3eXu6L6OpbpuGqhgAsiMCOcdIojg8/JwCVvWXI23oZYZeoH32CeBmDIZiTQwDFogxbh8VvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T04:44:12.963962Z"},"content_sha256":"03a86fa7a00b793d1eaa2d8cd3b685c3e180b1044eb0ce09ba6562e5e321a08c","schema_version":"1.0","event_id":"sha256:03a86fa7a00b793d1eaa2d8cd3b685c3e180b1044eb0ce09ba6562e5e321a08c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:OVRIZPUYDXZN77S455I4KXFWJD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Understanding the nonlinear optical response of epsilon near zero materials in the time-domain","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Adriana P\\'erez-Casanova, Antonio Cal\\`a Lesina, Israel De Leon, Joshua Baxter, Lora Ramunno, Luis Cortes-Herrera","submitted_at":"2021-10-27T22:53:35Z","abstract_excerpt":"The promise of active nanophotonics technology relies on the confinement and control of light at the nanoscale. Confinement via plasmonics, dielectric resonators, and waveguides can be complemented with materials whose optical properties can be controlled using nonlinear effects. Transparent conducting oxides (TCOs) exhibit strong optical nonlinearities in their near zero permittivity spectral region, on the femtosecond time-scale. Harnessing full control over the nonlinear response requires a deeper understanding of the process. To achieve this, we develop a self-consistent time-domain model "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14806","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.14806/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YSxr8tsYPlVl7dRqJe6AGU8C1JCXuVCXfnZqorEDgisnQyWNyrH9xowm1AFNapOPcUPK3cYQRP0X6uNP/xgYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T04:44:12.964344Z"},"content_sha256":"cd6f37e40c1341e8e8e09273981555745b1f9196252d6e5db533512ff0226d87","schema_version":"1.0","event_id":"sha256:cd6f37e40c1341e8e8e09273981555745b1f9196252d6e5db533512ff0226d87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OVRIZPUYDXZN77S455I4KXFWJD/bundle.json","state_url":"https://pith.science/pith/OVRIZPUYDXZN77S455I4KXFWJD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OVRIZPUYDXZN77S455I4KXFWJD/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":"2026-07-17T04:44:12Z","links":{"resolver":"https://pith.science/pith/OVRIZPUYDXZN77S455I4KXFWJD","bundle":"https://pith.science/pith/OVRIZPUYDXZN77S455I4KXFWJD/bundle.json","state":"https://pith.science/pith/OVRIZPUYDXZN77S455I4KXFWJD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OVRIZPUYDXZN77S455I4KXFWJD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:OVRIZPUYDXZN77S455I4KXFWJD","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":"75abf822c4a315414960c25ad944527bb117daf94a6bba3277f4142668583dbb","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-10-27T22:53:35Z","title_canon_sha256":"83f0b532e8a7fd1f28532fa929f9207f0f5df753569aefb7374ce3c11a4a72d9"},"schema_version":"1.0","source":{"id":"2110.14806","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.14806","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"2110.14806v1","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.14806","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"OVRIZPUYDXZN","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"OVRIZPUYDXZN77S4","created_at":"2026-07-05T09:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"OVRIZPUY","created_at":"2026-07-05T09:50:42Z"}],"graph_snapshots":[{"event_id":"sha256:cd6f37e40c1341e8e8e09273981555745b1f9196252d6e5db533512ff0226d87","target":"graph","created_at":"2026-07-05T09:50:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2110.14806/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The promise of active nanophotonics technology relies on the confinement and control of light at the nanoscale. Confinement via plasmonics, dielectric resonators, and waveguides can be complemented with materials whose optical properties can be controlled using nonlinear effects. Transparent conducting oxides (TCOs) exhibit strong optical nonlinearities in their near zero permittivity spectral region, on the femtosecond time-scale. Harnessing full control over the nonlinear response requires a deeper understanding of the process. To achieve this, we develop a self-consistent time-domain model ","authors_text":"Adriana P\\'erez-Casanova, Antonio Cal\\`a Lesina, Israel De Leon, Joshua Baxter, Lora Ramunno, Luis Cortes-Herrera","cross_cats":["physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-10-27T22:53:35Z","title":"Understanding the nonlinear optical response of epsilon near zero materials in the time-domain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.14806","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":"sha256:03a86fa7a00b793d1eaa2d8cd3b685c3e180b1044eb0ce09ba6562e5e321a08c","target":"record","created_at":"2026-07-05T09:50:42Z","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":"75abf822c4a315414960c25ad944527bb117daf94a6bba3277f4142668583dbb","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-10-27T22:53:35Z","title_canon_sha256":"83f0b532e8a7fd1f28532fa929f9207f0f5df753569aefb7374ce3c11a4a72d9"},"schema_version":"1.0","source":{"id":"2110.14806","kind":"arxiv","version":1}},"canonical_sha256":"75628cbe981df2dffe5cef51c55cb648decbb671b040683894526992f230ac4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75628cbe981df2dffe5cef51c55cb648decbb671b040683894526992f230ac4e","first_computed_at":"2026-07-05T09:50:42.102920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:50:42.102920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"noqk0f69tetIi+MVD6dFJxHb7QfC0IM7m7duzXcDwtIr1vEhTBJyx0IUgKwlLOzQiIgvDerlb4s5VVQR/sLfAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:50:42.103338Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.14806","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03a86fa7a00b793d1eaa2d8cd3b685c3e180b1044eb0ce09ba6562e5e321a08c","sha256:cd6f37e40c1341e8e8e09273981555745b1f9196252d6e5db533512ff0226d87"],"state_sha256":"8bdfa3db36ac642089fd28b84499b17f6837b16f0fa61e8bcab345c1939eca71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DocCUcXD1pLuYzwEo2A4PUx+r0cOQ0jNiOpmUs95Yfll8JMTBUnRFgNZ/8wwrRwgdNKl0dh7wndFVWwCNqfjCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T04:44:12.966402Z","bundle_sha256":"cda1dc07ae3a7266c0bc00800d713a2f67eaa67fbb24794646c98fcf7d66f214"}}