{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NCWCUMBMSUZJFF5RUY7X6RSILO","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":"ed06b049743149a7986e97ea1685e2ed477e71b18015f91f09eade2f7120f9a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-04T14:41:11Z","title_canon_sha256":"eb5ae3ebf73d63c5a02cabcb4f7a6b1b626c355f202bdfa4ed8f61970e015d1e"},"schema_version":"1.0","source":{"id":"1710.01625","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.01625","created_at":"2026-05-18T00:12:56Z"},{"alias_kind":"arxiv_version","alias_value":"1710.01625v1","created_at":"2026-05-18T00:12:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.01625","created_at":"2026-05-18T00:12:56Z"},{"alias_kind":"pith_short_12","alias_value":"NCWCUMBMSUZJ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NCWCUMBMSUZJFF5R","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NCWCUMBM","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:a3cb830c6ec822b22a5142a587898da3fadee8e2b057753838acc9dd5a32880b","target":"graph","created_at":"2026-05-18T00:12:56Z","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":"We report on new electromagnetic modes in space-time modulated dispersion-engineered media. These modes exhibit unusual dispersion relation, field profile and scattering properties. They are generated by coupled codirectional space-time harmonic pairs, and occur in space-time periodic media whose constituent materials exhibit specific dispersion. Excitation of a slab of such a medium with subluminal modulation results in periodic transfer of energy between the incident frequency and a frequency shifted by a multiple of the modulation frequency, whereas superluminal modulation generates exponen","authors_text":"Christophe Caloz, Dikshitulu Kalluri, Nima Chamanara, Zo\\'e-Lise Deck-L\\'eger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-04T14:41:11Z","title":"New Electromagnetic Modes in Space-Time Modulated Dispersion-Engineered Media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.01625","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":"sha256:8ab34d37514f7ace081150e9d106b4ec8a654ed30e393f2546ba5e05bea08cbe","target":"record","created_at":"2026-05-18T00:12:56Z","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":"ed06b049743149a7986e97ea1685e2ed477e71b18015f91f09eade2f7120f9a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-04T14:41:11Z","title_canon_sha256":"eb5ae3ebf73d63c5a02cabcb4f7a6b1b626c355f202bdfa4ed8f61970e015d1e"},"schema_version":"1.0","source":{"id":"1710.01625","kind":"arxiv","version":1}},"canonical_sha256":"68ac2a302c95329297b1a63f7f46485ba44876911573fec3d640563123826c24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68ac2a302c95329297b1a63f7f46485ba44876911573fec3d640563123826c24","first_computed_at":"2026-05-18T00:12:56.438989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:56.438989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A1fA4CCigebqqYeXE9n8344I47zQs2JrGAziZCSJvdRoJmzyMEwWug72+hcAGwm7aiZhBPWizP7ACZ7CJo+dAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:56.439725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.01625","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ab34d37514f7ace081150e9d106b4ec8a654ed30e393f2546ba5e05bea08cbe","sha256:a3cb830c6ec822b22a5142a587898da3fadee8e2b057753838acc9dd5a32880b"],"state_sha256":"1be729248af3b31f5907b6b7be15fd88ae0056128d6d86bc1319e91a49fab406"}